diff --git a/plugins/poll/spec/controllers/polls_controller_spec.rb b/plugins/poll/spec/controllers/polls_controller_spec.rb
index 74f15824f2d..9534a5ca426 100644
--- a/plugins/poll/spec/controllers/polls_controller_spec.rb
+++ b/plugins/poll/spec/controllers/polls_controller_spec.rb
@@ -25,7 +25,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["name"]).to eq("poll")
       expect(json["poll"]["voters"]).to eq(1)
       expect(json["vote"]).to eq(["5c24fc1df56d764b550ceae1b9319125"])
@@ -53,7 +53,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["name"]).to eq("poll")
       expect(json["poll"]["voters"]).to eq(1)
       expect(json["vote"]).to eq(["5c24fc1df56d764b550ceae1b9319125"])
@@ -80,7 +80,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["name"]).to eq("poll")
       expect(json["poll"]["voters"]).to eq(1)
       expect(json["vote"]).to eq(["5c24fc1df56d764b550ceae1b9319125"])
@@ -96,7 +96,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.requires_at_least_1_valid_option"))
     end
 
@@ -112,7 +112,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["voters"]).to eq(1)
       expect(json["poll"]["options"][0]["votes"]).to eq(0)
       expect(json["poll"]["options"][1]["votes"]).to eq(1)
@@ -136,7 +136,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.topic_must_be_open_to_vote"))
     end
 
@@ -148,7 +148,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.post_is_deleted"))
     end
 
@@ -160,7 +160,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.user_cant_post_in_topic"))
     end
 
@@ -170,7 +170,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.no_poll_with_this_name", name: "foobar"))
     end
 
@@ -182,7 +182,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.poll_must_be_open_to_vote"))
     end
 
@@ -194,7 +194,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("js.poll.results.groups.title", groups: poll.polls.first.groups))
     end
 
@@ -210,7 +210,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["voters"]).to eq(18)
       expect(json["poll"]["options"][0]["votes"]).to eq(12)
       expect(json["poll"]["options"][1]["votes"]).to eq(6)
@@ -230,7 +230,7 @@ describe ::DiscoursePoll::PollsController do
         expect(response.status).to eq(200)
       end.first
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["status"]).to eq("closed")
       expect(message.channel).to eq(channel)
     end
@@ -248,7 +248,7 @@ describe ::DiscoursePoll::PollsController do
         expect(response.status).to eq(200)
       end.first
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["poll"]["status"]).to eq("closed")
       expect(message.channel).to eq(channel)
     end
@@ -261,7 +261,7 @@ describe ::DiscoursePoll::PollsController do
       }, format: :json
 
       expect(response.status).not_to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.post_is_deleted"))
     end
 
@@ -303,7 +303,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       # no user3 cause voter_limit is 2
       expect(json["voters"][first].map { |h| h["id"] }).to contain_exactly(user1.id, user2.id)
@@ -323,7 +323,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["voters"][first].size).to eq(1)
 
@@ -347,7 +347,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["voters"][first].size).to eq(1)
       expect(json["voters"][second].size).to eq(1)
@@ -378,7 +378,7 @@ describe ::DiscoursePoll::PollsController do
 
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["voters"][first].size).to eq(1)
     end
diff --git a/plugins/poll/spec/controllers/posts_controller_spec.rb b/plugins/poll/spec/controllers/posts_controller_spec.rb
index 3cedf9017f0..be26174871c 100644
--- a/plugins/poll/spec/controllers/posts_controller_spec.rb
+++ b/plugins/poll/spec/controllers/posts_controller_spec.rb
@@ -17,7 +17,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
@@ -30,7 +30,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
@@ -49,7 +49,7 @@ describe PostsController do
              change { Poll.count }.by(1)
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       post_id = json["id"]
 
       expect(Poll.find_by(post_id: post_id).close_at).to eq_time(close_date)
@@ -67,7 +67,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.default_poll_must_have_different_options"))
     end
 
@@ -77,7 +77,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.default_poll_must_have_at_least_1_option"))
     end
 
@@ -91,7 +91,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.default_poll_must_have_less_options", count: SiteSetting.poll_maximum_options))
     end
 
@@ -101,7 +101,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.default_poll_with_multiple_choices_has_invalid_parameters"))
     end
 
@@ -111,7 +111,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(json["cooked"]).to include("<script>")
       expect(Poll.find_by(post_id: json["id"]).name).to eq("<script>alert('xss')</script>")
@@ -123,7 +123,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
@@ -134,7 +134,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.where(post_id: json["id"]).count).to eq(1)
     end
@@ -149,7 +149,7 @@ describe PostsController do
               title: title, raw: "[poll]\n- A\n- B\n[/poll]"
             }, format: :json
 
-            ::JSON.parse(response.body)["id"]
+            response.parsed_body["id"]
           end
         end
 
@@ -159,7 +159,7 @@ describe PostsController do
           }, format: :json
 
           expect(response.status).to eq(200)
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["post"]["polls"][0]["options"][2]["html"]).to eq("C")
         end
 
@@ -171,7 +171,7 @@ describe PostsController do
           }, format: :json
 
           expect(response.status).to eq(200)
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["post"]["polls_votes"]).to_not be
         end
 
@@ -189,7 +189,7 @@ describe PostsController do
               title: title, raw: poll
             }, format: :json
 
-            ::JSON.parse(response.body)["id"]
+            response.parsed_body["id"]
           end
         end
 
@@ -207,14 +207,14 @@ describe PostsController do
             }, format: :json
 
             expect(response.status).to eq(200)
-            json = ::JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["post"]["polls"][0]["options"][1]["html"]).to eq("C")
           end
 
           it "support changes on the post" do
             put :update, params: { id: post_id, post: { raw: updated } }, format: :json
             expect(response.status).to eq(200)
-            json = ::JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["post"]["cooked"]).to match("before")
           end
 
@@ -232,7 +232,7 @@ describe PostsController do
             }, format: :json
 
             expect(response).not_to be_successful
-            json = ::JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["errors"][0]).to eq(I18n.t(
               "poll.edit_window_expired.cannot_edit_default_poll_with_votes",
               minutes: poll_edit_window_mins
@@ -242,7 +242,7 @@ describe PostsController do
           it "support changes on the post" do
             put :update, params: { id: post_id, post: { raw: updated } }, format: :json
             expect(response.status).to eq(200)
-            json = ::JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["post"]["cooked"]).to match("before")
           end
 
@@ -262,7 +262,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.named_poll_must_have_different_options", name: "foo"))
     end
 
@@ -272,7 +272,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.named_poll_must_have_at_least_1_option", name: "foo"))
     end
 
@@ -286,7 +286,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.where(post_id: json["id"]).count).to eq(2)
     end
@@ -297,7 +297,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.multiple_polls_without_name"))
     end
 
@@ -307,7 +307,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.multiple_polls_with_same_name", name: "foo"))
     end
 
@@ -326,7 +326,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to eq("<p>[poll]</p>\n<ul>\n<li>A</li>\n<li>B<br>\n[/poll]</li>\n</ul>")
     end
   end
@@ -344,7 +344,7 @@ describe PostsController do
       }, format: :json
 
       expect(response).not_to be_successful
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"][0]).to eq(I18n.t("poll.insufficient_rights_to_create"))
     end
 
@@ -362,7 +362,7 @@ describe PostsController do
         topic_id: topic.id, raw: "[poll]\n- A\n- B\n[/poll]"
       }, format: :json
 
-      expect(::JSON.parse(response.body)["errors"]).to eq(nil)
+      expect(response.parsed_body["errors"]).to eq(nil)
     end
   end
 
@@ -379,7 +379,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
@@ -398,7 +398,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
@@ -417,7 +417,7 @@ describe PostsController do
       }, format: :json
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cooked"]).to match("data-poll-")
       expect(Poll.exists?(post_id: json["id"])).to eq(true)
     end
diff --git a/plugins/poll/spec/integration/poll_endpoints_spec.rb b/plugins/poll/spec/integration/poll_endpoints_spec.rb
index 868e003326c..21ed171f977 100644
--- a/plugins/poll/spec/integration/poll_endpoints_spec.rb
+++ b/plugins/poll/spec/integration/poll_endpoints_spec.rb
@@ -24,7 +24,7 @@ describe "DiscoursePoll endpoints" do
 
       expect(response.status).to eq(200)
 
-      poll = JSON.parse(response.body)["voters"]
+      poll = response.parsed_body["voters"]
       option = poll[option_a]
 
       expect(option.length).to eq(1)
@@ -48,7 +48,7 @@ describe "DiscoursePoll endpoints" do
 
       expect(response.status).to eq(200)
 
-      poll = JSON.parse(response.body)["voters"]
+      poll = response.parsed_body["voters"]
 
       expect(poll[option_a]).to eq(nil)
 
@@ -112,7 +112,7 @@ describe "DiscoursePoll endpoints" do
 
         expect(response.status).to eq(200)
 
-        poll = JSON.parse(response.body)["voters"]
+        poll = response.parsed_body["voters"]
 
         expect(poll.first["id"]).to eq(user.id)
         expect(poll.first["username"]).to eq(user.username)
@@ -165,7 +165,7 @@ describe "DiscoursePoll endpoints" do
       }
 
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body).deep_symbolize_keys).to eq(
+      expect(response.parsed_body.deep_symbolize_keys).to eq(
         grouped_results: [
           { group: "Value0", options: [{ digest: option_a, html: "A", votes: 1 }, { digest: option_b, html: "B", votes: 0 }] },
           { group: "Value1", options: [{ digest: option_a, html: "A", votes: 2 }, { digest: option_b, html: "B", votes: 1 }] },
diff --git a/spec/integration/invite_only_registration_spec.rb b/spec/integration/invite_only_registration_spec.rb
index 5f19efb60f3..811ad4ed93d 100644
--- a/spec/integration/invite_only_registration_spec.rb
+++ b/spec/integration/invite_only_registration_spec.rb
@@ -24,7 +24,7 @@ describe 'invite only' do
         HTTP_API_USERNAME: admin.username
       }
 
-      user_id = JSON.parse(response.body)["user_id"]
+      user_id = response.parsed_body["user_id"]
       expect(user_id).to be > 0
 
       # activate and approve
diff --git a/spec/integration/rate_limiting_spec.rb b/spec/integration/rate_limiting_spec.rb
index 9a41f9120fc..a623d7aa228 100644
--- a/spec/integration/rate_limiting_spec.rb
+++ b/spec/integration/rate_limiting_spec.rb
@@ -74,7 +74,7 @@ describe 'rate limiter integration' do
 
     expect(response.status).to eq(429)
 
-    data = JSON.parse(response.body)
+    data = response.parsed_body
 
     expect(response.headers['Retry-After']).to eq(60)
     expect(data["extras"]["wait_seconds"]).to eq(60)
diff --git a/spec/requests/admin/api_controller_spec.rb b/spec/requests/admin/api_controller_spec.rb
index 9c48d74732e..029801dbcfc 100644
--- a/spec/requests/admin/api_controller_spec.rb
+++ b/spec/requests/admin/api_controller_spec.rb
@@ -22,7 +22,7 @@ describe Admin::ApiController do
       it "succeeds" do
         get "/admin/api/keys.json"
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["keys"].length).to eq(2)
+        expect(response.parsed_body["keys"].length).to eq(2)
       end
     end
 
@@ -30,7 +30,7 @@ describe Admin::ApiController do
       it "succeeds" do
         get "/admin/api/keys/#{key1.id}.json"
         expect(response.status).to eq(200)
-        data = JSON.parse(response.body)["key"]
+        data = response.parsed_body["key"]
         expect(data["id"]).to eq(key1.id)
         expect(data["key"]).to eq(nil)
         expect(data["truncated_key"]).to eq(key1.key[0..3])
@@ -92,7 +92,7 @@ describe Admin::ApiController do
         }
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
 
         expect(data['key']['description']).to eq("master key description")
         expect(data['key']['user']).to eq(nil)
@@ -117,7 +117,7 @@ describe Admin::ApiController do
         }
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
 
         expect(data['key']['description']).to eq("restricted key description")
         expect(data['key']['user']['username']).to eq(user.username)
diff --git a/spec/requests/admin/backups_controller_spec.rb b/spec/requests/admin/backups_controller_spec.rb
index 406898e0286..466d4a938be 100644
--- a/spec/requests/admin/backups_controller_spec.rb
+++ b/spec/requests/admin/backups_controller_spec.rb
@@ -67,7 +67,7 @@ RSpec.describe Admin::BackupsController do
           get "/admin/backups.json"
           expect(response.status).to eq(200)
 
-          filenames = JSON.parse(response.body).map { |backup| backup["filename"] }
+          filenames = response.parsed_body.map { |backup| backup["filename"] }
           expect(filenames).to include(backup_filename)
           expect(filenames).to include(backup_filename2)
         end
diff --git a/spec/requests/admin/badges_controller_spec.rb b/spec/requests/admin/badges_controller_spec.rb
index f54875a21aa..185143e4f96 100644
--- a/spec/requests/admin/badges_controller_spec.rb
+++ b/spec/requests/admin/badges_controller_spec.rb
@@ -27,7 +27,7 @@ describe Admin::BadgesController do
         }
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["grant_count"]).to be > 0
+        expect(response.parsed_body["grant_count"]).to be > 0
       end
 
       it 'does not allow anything if enable_badge_sql is disabled' do
@@ -49,7 +49,7 @@ describe Admin::BadgesController do
           name: 'test', query: 'select 1 as user_id, null as granted_at', badge_type_id: 1
         }
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(response.status).to eq(200)
         expect(json["badge"]["name"]).to eq('test')
         expect(json["badge"]["query"]).to eq('select 1 as user_id, null as granted_at')
@@ -76,7 +76,7 @@ describe Admin::BadgesController do
 
         expect(groupings2.map { |g| g.name }).to eq(names)
         expect((groupings.map(&:id) - groupings2.map { |g| g.id }).compact).to be_blank
-        expect(::JSON.parse(response.body)["badge_groupings"].length).to eq(groupings2.length)
+        expect(response.parsed_body["badge_groupings"].length).to eq(groupings2.length)
       end
     end
 
@@ -85,7 +85,7 @@ describe Admin::BadgesController do
         get "/admin/badges/types.json"
 
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)["badge_types"]).to be_present
+        expect(response.parsed_body["badge_types"]).to be_present
       end
     end
 
diff --git a/spec/requests/admin/color_schemes_controller_spec.rb b/spec/requests/admin/color_schemes_controller_spec.rb
index 8cf4e20fc1f..782d9ee5c2b 100644
--- a/spec/requests/admin/color_schemes_controller_spec.rb
+++ b/spec/requests/admin/color_schemes_controller_spec.rb
@@ -28,7 +28,7 @@ describe Admin::ColorSchemesController do
         get "/admin/color_schemes.json"
 
         expect(response.status).to eq(200)
-        schemes = JSON.parse(response.body).map { |scheme| scheme["name"] }
+        schemes = response.parsed_body.map { |scheme| scheme["name"] }
         expect(schemes).to include(scheme_name)
       end
     end
@@ -38,7 +38,7 @@ describe Admin::ColorSchemesController do
         post "/admin/color_schemes.json", params: valid_params
 
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['id']).to be_present
+        expect(response.parsed_body['id']).to be_present
       end
 
       it "returns failure with invalid params" do
@@ -48,7 +48,7 @@ describe Admin::ColorSchemesController do
         post "/admin/color_schemes.json", params: valid_params
 
         expect(response.status).to eq(422)
-        expect(::JSON.parse(response.body)['errors']).to be_present
+        expect(response.parsed_body['errors']).to be_present
       end
     end
 
@@ -77,7 +77,7 @@ describe Admin::ColorSchemesController do
         put "/admin/color_schemes/#{color_scheme.id}.json", params: params
 
         expect(response.status).to eq(422)
-        expect(::JSON.parse(response.body)['errors']).to be_present
+        expect(response.parsed_body['errors']).to be_present
       end
     end
 
diff --git a/spec/requests/admin/dashboard_controller_spec.rb b/spec/requests/admin/dashboard_controller_spec.rb
index 22b5a368291..46602ae91d3 100644
--- a/spec/requests/admin/dashboard_controller_spec.rb
+++ b/spec/requests/admin/dashboard_controller_spec.rb
@@ -29,7 +29,7 @@ describe Admin::DashboardController do
           get "/admin/dashboard.json"
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['version_check']).to be_present
+          expect(response.parsed_body['version_check']).to be_present
         end
       end
 
@@ -41,7 +41,7 @@ describe Admin::DashboardController do
         it 'does not return discourse version info' do
           get "/admin/dashboard.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['version_check']).not_to be_present
         end
       end
@@ -57,7 +57,7 @@ describe Admin::DashboardController do
           get "/admin/dashboard/problems.json"
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['problems'].size).to eq(0)
         end
       end
@@ -70,7 +70,7 @@ describe Admin::DashboardController do
         it 'returns an array of strings' do
           get "/admin/dashboard/problems.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['problems'].size).to eq(2)
           expect(json['problems'][0]).to be_a(String)
           expect(json['problems'][1]).to be_a(String)
diff --git a/spec/requests/admin/email_controller_spec.rb b/spec/requests/admin/email_controller_spec.rb
index eb632bcbe1c..eb6d23fd067 100644
--- a/spec/requests/admin/email_controller_spec.rb
+++ b/spec/requests/admin/email_controller_spec.rb
@@ -26,7 +26,7 @@ describe Admin::EmailController do
 
     it 'does not include the password in the response' do
       get "/admin/email.json"
-      mail_settings = JSON.parse(response.body)['settings']
+      mail_settings = response.parsed_body['settings']
 
       expect(
         mail_settings.select { |setting| setting['name'] == 'password' }
@@ -47,7 +47,7 @@ describe Admin::EmailController do
       get "/admin/email/sent.json"
 
       expect(response.status).to eq(200)
-      log = JSON.parse(response.body).first
+      log = response.parsed_body.first
       expect(log["id"]).to eq(email_log.id)
       expect(log["reply_key"]).to eq(nil)
 
@@ -56,7 +56,7 @@ describe Admin::EmailController do
       get "/admin/email/sent.json"
 
       expect(response.status).to eq(200)
-      log = JSON.parse(response.body).first
+      log = response.parsed_body.first
       expect(log["id"]).to eq(email_log.id)
       expect(log["reply_key"]).to eq(post_reply_key.reply_key)
     end
@@ -80,7 +80,7 @@ describe Admin::EmailController do
 
         expect(response.status).to eq(200)
 
-        logs = JSON.parse(response.body)
+        logs = response.parsed_body
 
         expect(logs.size).to eq(1)
         expect(logs.first["reply_key"]).to eq(post_reply_key_2.reply_key)
@@ -98,7 +98,7 @@ describe Admin::EmailController do
 
       expect(response.status).to eq(200)
 
-      logs = JSON.parse(response.body)
+      logs = response.parsed_body
 
       expect(logs.first["id"]).to eq(log2.id)
       expect(logs.last["id"]).to eq(log1.id)
@@ -112,7 +112,7 @@ describe Admin::EmailController do
 
         expect(response.status).to eq(200)
 
-        logs = JSON.parse(response.body)
+        logs = response.parsed_body
 
         expect(logs.count).to eq(1)
         expect(logs.first["id"]).to eq(log1.id)
@@ -147,7 +147,7 @@ describe Admin::EmailController do
           admin.email
         )
 
-        incoming = JSON.parse(response.body)
+        incoming = response.parsed_body
         expect(incoming['sent_test_email_message']).to eq(I18n.t("admin.email.sent_test"))
       end
 
@@ -160,7 +160,7 @@ describe Admin::EmailController do
           eviltrout.email
         )
 
-        incoming = JSON.parse(response.body)
+        incoming = response.parsed_body
         expect(incoming['sent_test_email_message']).to eq(I18n.t("admin.email.sent_test"))
       end
 
@@ -173,7 +173,7 @@ describe Admin::EmailController do
           eviltrout.email
         )
 
-        incoming = JSON.parse(response.body)
+        incoming = response.parsed_body
         expect(incoming['sent_test_email_message']).to eq(I18n.t("admin.email.sent_test"))
       end
     end
@@ -214,7 +214,7 @@ describe Admin::EmailController do
       Fabricate(:incoming_email, error: "")
       get "/admin/email/rejected.json"
       expect(response.status).to eq(200)
-      rejected = JSON.parse(response.body)
+      rejected = response.parsed_body
       expect(rejected.first['error']).to eq(I18n.t("emails.incoming.unrecognized_error"))
     end
   end
@@ -224,7 +224,7 @@ describe Admin::EmailController do
       incoming_email = Fabricate(:incoming_email, error: "")
       get "/admin/email/incoming/#{incoming_email.id}.json"
       expect(response.status).to eq(200)
-      incoming = JSON.parse(response.body)
+      incoming = response.parsed_body
       expect(incoming['error']).to eq(I18n.t("emails.incoming.unrecognized_error"))
     end
   end
@@ -234,7 +234,7 @@ describe Admin::EmailController do
       get "/admin/email/incoming_from_bounced/12345.json"
       expect(response.status).to eq(404)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"]).to include("Discourse::InvalidParameters")
     end
 
@@ -242,7 +242,7 @@ describe Admin::EmailController do
       get "/admin/email/incoming_from_bounced/#{email_log.id}.json"
       expect(response.status).to eq(404)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["errors"]).to include("Discourse::InvalidParameters")
     end
 
@@ -262,7 +262,7 @@ describe Admin::EmailController do
         get "/admin/email/incoming_from_bounced/#{email_log.id}.json"
         expect(response.status).to eq(200)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["error"]).to eq(error_message)
       end
 
@@ -276,7 +276,7 @@ describe Admin::EmailController do
         get "/admin/email/incoming_from_bounced/#{email_log.id}.json"
         expect(response.status).to eq(200)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["error"]).to eq(error_message)
       end
 
@@ -286,7 +286,7 @@ describe Admin::EmailController do
         get "/admin/email/incoming_from_bounced/#{email_log.id}.json"
         expect(response.status).to eq(404)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["errors"]).to include("Discourse::InvalidParameters")
       end
 
@@ -294,7 +294,7 @@ describe Admin::EmailController do
         get "/admin/email/incoming_from_bounced/#{email_log.id}.json"
         expect(response.status).to eq(404)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["errors"]).to include("Discourse::NotFound")
       end
     end
@@ -317,7 +317,7 @@ describe Admin::EmailController do
       EMAIL
       post "/admin/email/advanced-test.json", params: { email: email }
       expect(response.status).to eq(200)
-      incoming = JSON.parse(response.body)
+      incoming = response.parsed_body
       expect(incoming['format']).to eq(1)
       expect(incoming['text']).to eq("Hello, this is a test!")
       expect(incoming['elided']).to eq("---\n\nThis part should be elided.")
diff --git a/spec/requests/admin/email_styles_controller_spec.rb b/spec/requests/admin/email_styles_controller_spec.rb
index 9d1f297e7eb..0884503dc67 100644
--- a/spec/requests/admin/email_styles_controller_spec.rb
+++ b/spec/requests/admin/email_styles_controller_spec.rb
@@ -21,7 +21,7 @@ describe Admin::EmailStylesController do
       get '/admin/customize/email_style.json'
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)['email_style']
+      json = response.parsed_body['email_style']
       expect(json['html']).to eq(default_html)
       expect(json['css']).to eq(default_css)
     end
@@ -32,7 +32,7 @@ describe Admin::EmailStylesController do
       get '/admin/customize/email_style.json'
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)['email_style']
+      json = response.parsed_body['email_style']
       expect(json['html']).to eq("For you: %{email_content}")
       expect(json['css']).to eq(".user-name { font-size: 24px; }")
     end
@@ -59,7 +59,7 @@ describe Admin::EmailStylesController do
         email_style: valid_params.merge(html: 'No email content')
       }
       expect(response.status).to eq(422)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['errors']).to include(
         I18n.t(
           'email_style.html_missing_placeholder',
diff --git a/spec/requests/admin/email_templates_controller_spec.rb b/spec/requests/admin/email_templates_controller_spec.rb
index 9b98d4880aa..1de916a36fd 100644
--- a/spec/requests/admin/email_templates_controller_spec.rb
+++ b/spec/requests/admin/email_templates_controller_spec.rb
@@ -37,7 +37,7 @@ RSpec.describe Admin::EmailTemplatesController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['email_templates']).to be_present
     end
 
@@ -51,7 +51,7 @@ RSpec.describe Admin::EmailTemplatesController do
 
       get '/admin/customize/email_templates.json'
       expect(response.status).to eq(200)
-      templates = JSON.parse(response.body)['email_templates']
+      templates = response.parsed_body['email_templates']
       template = templates.find { |t| t['id'] == 'user_notifications.admin_login' }
       expect(template['can_revert']).to eq(true)
 
@@ -59,7 +59,7 @@ RSpec.describe Admin::EmailTemplatesController do
 
       get '/admin/customize/email_templates.json'
       expect(response.status).to eq(200)
-      templates = JSON.parse(response.body)['email_templates']
+      templates = response.parsed_body['email_templates']
       template = templates.find { |t| t['id'] == 'user_notifications.admin_login' }
       expect(template['can_revert']).to eq(false)
     end
@@ -93,7 +93,7 @@ RSpec.describe Admin::EmailTemplatesController do
 
         expect(response).not_to be_successful
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['error_type']).to eq('not_found')
       end
 
@@ -103,7 +103,7 @@ RSpec.describe Admin::EmailTemplatesController do
             email_template: { subject: email_subject, body: email_body }
           }, headers: headers
 
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json).to be_present
 
           errors = json['errors']
@@ -196,7 +196,7 @@ RSpec.describe Admin::EmailTemplatesController do
 
           expect(response.status).to eq(200)
 
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json).to be_present
 
           template = json['email_template']
@@ -279,7 +279,7 @@ RSpec.describe Admin::EmailTemplatesController do
         delete '/admin/customize/email_templates/non_existent_template', headers: headers
         expect(response).not_to be_successful
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['error_type']).to eq('not_found')
       end
 
@@ -307,7 +307,7 @@ RSpec.describe Admin::EmailTemplatesController do
           delete '/admin/customize/email_templates/user_notifications.admin_login', headers: headers
           expect(response.status).to eq(200)
 
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json).to be_present
 
           template = json['email_template']
diff --git a/spec/requests/admin/emojis_controller_spec.rb b/spec/requests/admin/emojis_controller_spec.rb
index 5ab52b34471..39078a2fc49 100644
--- a/spec/requests/admin/emojis_controller_spec.rb
+++ b/spec/requests/admin/emojis_controller_spec.rb
@@ -18,7 +18,7 @@ RSpec.describe Admin::EmojisController do
       get "/admin/customize/emojis.json"
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json[0]["name"]).to eq("osama-test-emoji")
       expect(json[0]["url"]).to eq(upload.url)
     end
@@ -34,7 +34,7 @@ RSpec.describe Admin::EmojisController do
         }
 
         expect(response.status).to eq(422)
-        parsed = JSON.parse(response.body)
+        parsed = response.parsed_body
         expect(parsed["errors"]).to eq([I18n.t('upload.images.size_not_found')])
       end
     end
@@ -49,7 +49,7 @@ RSpec.describe Admin::EmojisController do
         }
 
         expect(response.status).to eq(422)
-        parsed = JSON.parse(response.body)
+        parsed = response.parsed_body
         expect(parsed["errors"]).to eq([
           "Name #{I18n.t('activerecord.errors.models.custom_emoji.attributes.name.taken')}"
         ])
@@ -69,7 +69,7 @@ RSpec.describe Admin::EmojisController do
 
       expect(upload.original_filename).to eq('logo.png')
 
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(response.status).to eq(200)
       expect(data["errors"]).to eq(nil)
       expect(data["name"]).to eq(custom_emoji.name)
@@ -88,7 +88,7 @@ RSpec.describe Admin::EmojisController do
 
       custom_emoji = CustomEmoji.last
 
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(response.status).to eq(200)
       expect(custom_emoji.group).to eq("foo")
     end
diff --git a/spec/requests/admin/groups_controller_spec.rb b/spec/requests/admin/groups_controller_spec.rb
index 7ddc1562fed..1b0f1fd297e 100644
--- a/spec/requests/admin/groups_controller_spec.rb
+++ b/spec/requests/admin/groups_controller_spec.rb
@@ -88,7 +88,7 @@ RSpec.describe Admin::GroupsController do
 
       expect(response.status).to eq(200)
 
-      response_body = JSON.parse(response.body)
+      response_body = response.parsed_body
 
       expect(response_body["usernames"]).to contain_exactly(user.username, admin.username)
 
@@ -190,7 +190,7 @@ RSpec.describe Admin::GroupsController do
       expect(user2.title).to eq("WAT")
       expect(user2.trust_level).to eq(4)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['message']).to eq("2 users have been added to the group.")
       expect(json['users_not_added'][0]).to eq("doesnt_exist")
     end
diff --git a/spec/requests/admin/permalinks_controller_spec.rb b/spec/requests/admin/permalinks_controller_spec.rb
index 80df7319095..a84a0b2935c 100644
--- a/spec/requests/admin/permalinks_controller_spec.rb
+++ b/spec/requests/admin/permalinks_controller_spec.rb
@@ -24,7 +24,7 @@ describe Admin::PermalinksController do
       get "/admin/permalinks.json", params: { filter: "topic" }
 
       expect(response.status).to eq(200)
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result.length).to eq(2)
     end
 
@@ -37,7 +37,7 @@ describe Admin::PermalinksController do
       get "/admin/permalinks.json", params: { filter: "discourse" }
 
       expect(response.status).to eq(200)
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result.length).to eq(2)
     end
 
@@ -50,7 +50,7 @@ describe Admin::PermalinksController do
       get "/admin/permalinks.json", params: { filter: "discourse" }
 
       expect(response.status).to eq(200)
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result.length).to eq(3)
     end
   end
diff --git a/spec/requests/admin/plugins_controller_spec.rb b/spec/requests/admin/plugins_controller_spec.rb
index 75b1b5f21ed..463fb321b71 100644
--- a/spec/requests/admin/plugins_controller_spec.rb
+++ b/spec/requests/admin/plugins_controller_spec.rb
@@ -16,7 +16,7 @@ describe Admin::PluginsController do
     it 'should return JSON' do
       get "/admin/plugins.json"
       expect(response.status).to eq(200)
-      expect(::JSON.parse(response.body).has_key?('plugins')).to eq(true)
+      expect(response.parsed_body.has_key?('plugins')).to eq(true)
     end
   end
 end
diff --git a/spec/requests/admin/reports_controller_spec.rb b/spec/requests/admin/reports_controller_spec.rb
index 1f3208746e5..1138b1be6fc 100644
--- a/spec/requests/admin/reports_controller_spec.rb
+++ b/spec/requests/admin/reports_controller_spec.rb
@@ -27,7 +27,7 @@ describe Admin::ReportsController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)["reports"].count).to eq(2)
+          expect(response.parsed_body["reports"].count).to eq(2)
         end
       end
 
@@ -42,9 +42,9 @@ describe Admin::ReportsController do
             }
 
             expect(response.status).to eq(200)
-            expect(JSON.parse(response.body)["reports"].count).to eq(2)
-            expect(JSON.parse(response.body)["reports"][0]["type"]).to eq("topics")
-            expect(JSON.parse(response.body)["reports"][1]["type"]).to eq("not_found")
+            expect(response.parsed_body["reports"].count).to eq(2)
+            expect(response.parsed_body["reports"][0]["type"]).to eq("topics")
+            expect(response.parsed_body["reports"][1]["type"]).to eq("not_found")
           end
         end
 
@@ -92,7 +92,7 @@ describe Admin::ReportsController do
             get "/admin/reports/topics.json"
 
             expect(response.status).to eq(200)
-            expect(JSON.parse(response.body)["report"]["total"]).to eq(1)
+            expect(response.parsed_body["report"]["total"]).to eq(1)
           end
         end
       end
@@ -107,7 +107,7 @@ describe Admin::ReportsController do
 
           expect(response.status).to eq(200)
 
-          report = JSON.parse(response.body)["report"]
+          report = response.parsed_body["report"]
 
           expect(report["type"]).to eq('topics')
           expect(report["data"].count).to eq(1)
@@ -126,7 +126,7 @@ describe Admin::ReportsController do
 
           expect(response.status).to eq(200)
 
-          report = JSON.parse(response.body)["report"]
+          report = response.parsed_body["report"]
 
           expect(report["type"]).to eq('signups')
           expect(report["data"].count).to eq(1)
diff --git a/spec/requests/admin/robots_txt_controller_spec.rb b/spec/requests/admin/robots_txt_controller_spec.rb
index 046914017a9..e23e0b8d384 100644
--- a/spec/requests/admin/robots_txt_controller_spec.rb
+++ b/spec/requests/admin/robots_txt_controller_spec.rb
@@ -38,7 +38,7 @@ describe Admin::RobotsTxtController do
     it "returns default content if there are no overrides" do
       get "/admin/customize/robots.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["robots_txt"]).to be_present
       expect(json["overridden"]).to eq(false)
     end
@@ -47,7 +47,7 @@ describe Admin::RobotsTxtController do
       SiteSetting.overridden_robots_txt = "something"
       get "/admin/customize/robots.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["robots_txt"]).to eq("something")
       expect(json["overridden"]).to eq(true)
     end
@@ -59,7 +59,7 @@ describe Admin::RobotsTxtController do
     it "overrides the site's default robots.txt" do
       put "/admin/customize/robots.json", params: { robots_txt: "new_content" }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["robots_txt"]).to eq("new_content")
       expect(json["overridden"]).to eq(true)
       expect(SiteSetting.overridden_robots_txt).to eq("new_content")
@@ -82,7 +82,7 @@ describe Admin::RobotsTxtController do
       SiteSetting.overridden_robots_txt = "overridden_content"
       delete "/admin/customize/robots.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["robots_txt"]).not_to include("overridden_content")
       expect(json["overridden"]).to eq(false)
       expect(SiteSetting.overridden_robots_txt).to eq("")
diff --git a/spec/requests/admin/screened_emails_controller_spec.rb b/spec/requests/admin/screened_emails_controller_spec.rb
index e1e3b41ebbf..50ae5a22e06 100644
--- a/spec/requests/admin/screened_emails_controller_spec.rb
+++ b/spec/requests/admin/screened_emails_controller_spec.rb
@@ -16,7 +16,7 @@ describe Admin::ScreenedEmailsController do
       Fabricate(:screened_email)
       get "/admin/logs/screened_emails.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json.size).to eq(1)
     end
   end
diff --git a/spec/requests/admin/screened_ip_addresses_controller_spec.rb b/spec/requests/admin/screened_ip_addresses_controller_spec.rb
index 8bfd1b8d1f1..c4ae9927ef1 100644
--- a/spec/requests/admin/screened_ip_addresses_controller_spec.rb
+++ b/spec/requests/admin/screened_ip_addresses_controller_spec.rb
@@ -24,13 +24,13 @@ describe Admin::ScreenedIpAddressesController do
       get "/admin/logs/screened_ip_addresses.json", params: { filter: "1.2.*" }
 
       expect(response.status).to eq(200)
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result.length).to eq(3)
 
       get "/admin/logs/screened_ip_addresses.json", params: { filter: "4.5.6.7" }
 
       expect(response.status).to eq(200)
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result.length).to eq(1)
     end
   end
diff --git a/spec/requests/admin/screened_urls_controller_spec.rb b/spec/requests/admin/screened_urls_controller_spec.rb
index 32af969c6fc..55027ec6bb7 100644
--- a/spec/requests/admin/screened_urls_controller_spec.rb
+++ b/spec/requests/admin/screened_urls_controller_spec.rb
@@ -16,7 +16,7 @@ describe Admin::ScreenedUrlsController do
       Fabricate(:screened_url)
       get "/admin/logs/screened_urls.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json.size).to eq(1)
     end
   end
diff --git a/spec/requests/admin/search_logs_spec.rb b/spec/requests/admin/search_logs_spec.rb
index bca3d030aa7..6ac294380e8 100644
--- a/spec/requests/admin/search_logs_spec.rb
+++ b/spec/requests/admin/search_logs_spec.rb
@@ -32,7 +32,7 @@ RSpec.describe Admin::SearchLogsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json[0]['term']).to eq('ruby')
       expect(json[0]['searches']).to eq(1)
       expect(json[0]['ctr']).to eq(0)
@@ -67,7 +67,7 @@ RSpec.describe Admin::SearchLogsController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['term']['type']).to eq('search_log_term')
       expect(json['term']['search_result']).to be_present
     end
diff --git a/spec/requests/admin/site_settings_controller_spec.rb b/spec/requests/admin/site_settings_controller_spec.rb
index 5dc564e7010..7962ab295df 100644
--- a/spec/requests/admin/site_settings_controller_spec.rb
+++ b/spec/requests/admin/site_settings_controller_spec.rb
@@ -19,7 +19,7 @@ describe Admin::SiteSettingsController do
       it 'returns valid info' do
         get "/admin/site_settings.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["site_settings"].length).to be > 100
 
         locale = json["site_settings"].select do |s|
@@ -183,7 +183,7 @@ describe Admin::SiteSettingsController do
             default_categories_watching: category_id
           }
 
-          expect(JSON.parse(response.body)["user_count"]).to eq(User.count)
+          expect(response.parsed_body["user_count"]).to eq(User.count)
 
           CategoryUser.create!(category_id: category_id, notification_level: tracking, user: user)
 
@@ -191,7 +191,7 @@ describe Admin::SiteSettingsController do
             default_categories_watching: category_id
           }
 
-          expect(JSON.parse(response.body)["user_count"]).to eq(User.count - 1)
+          expect(response.parsed_body["user_count"]).to eq(User.count - 1)
 
           SiteSetting.setting(:default_categories_watching, "")
         end
@@ -203,7 +203,7 @@ describe Admin::SiteSettingsController do
             default_tags_watching: tag.name
           }
 
-          expect(JSON.parse(response.body)["user_count"]).to eq(User.count)
+          expect(response.parsed_body["user_count"]).to eq(User.count)
 
           TagUser.create!(tag_id: tag.id, notification_level: tracking, user: user)
 
@@ -211,7 +211,7 @@ describe Admin::SiteSettingsController do
             default_tags_watching: tag.name
           }
 
-          expect(JSON.parse(response.body)["user_count"]).to eq(User.count - 1)
+          expect(response.parsed_body["user_count"]).to eq(User.count - 1)
 
           SiteSetting.setting(:default_tags_watching, "")
         end
diff --git a/spec/requests/admin/site_texts_controller_spec.rb b/spec/requests/admin/site_texts_controller_spec.rb
index 6606b4446f2..aea6653e365 100644
--- a/spec/requests/admin/site_texts_controller_spec.rb
+++ b/spec/requests/admin/site_texts_controller_spec.rb
@@ -48,35 +48,35 @@ RSpec.describe Admin::SiteTextsController do
       it 'returns json' do
         get "/admin/customize/site_texts.json", params: { q: 'title' }
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['site_texts']).to include(include("id" => "title"))
+        expect(response.parsed_body['site_texts']).to include(include("id" => "title"))
       end
 
       it 'sets has_more to true if more than 50 results were found' do
         get "/admin/customize/site_texts.json", params: { q: 'e' }
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['site_texts'].size).to eq(50)
-        expect(JSON.parse(response.body)['extras']['has_more']).to be_truthy
+        expect(response.parsed_body['site_texts'].size).to eq(50)
+        expect(response.parsed_body['extras']['has_more']).to be_truthy
       end
 
       it 'works with pages' do
         texts = Set.new
 
         get "/admin/customize/site_texts.json", params: { q: 'e' }
-        JSON.parse(response.body)['site_texts'].each { |text| texts << text['id'] }
+        response.parsed_body['site_texts'].each { |text| texts << text['id'] }
         expect(texts.size).to eq(50)
 
         get "/admin/customize/site_texts.json", params: { q: 'e', page: 1 }
-        JSON.parse(response.body)['site_texts'].each { |text| texts << text['id'] }
+        response.parsed_body['site_texts'].each { |text| texts << text['id'] }
         expect(texts.size).to eq(100)
       end
 
       it 'works with locales' do
         get "/admin/customize/site_texts.json", params: { q: 'yes_value', locale: 'en' }
-        value = JSON.parse(response.body)['site_texts'].find { |text| text['id'] == 'js.yes_value' }['value']
+        value = response.parsed_body['site_texts'].find { |text| text['id'] == 'js.yes_value' }['value']
         expect(value).to eq(I18n.with_locale(:en) { I18n.t('js.yes_value') })
 
         get "/admin/customize/site_texts.json", params: { q: 'yes_value', locale: 'de' }
-        value = JSON.parse(response.body)['site_texts'].find { |text| text['id'] == 'js.yes_value' }['value']
+        value = response.parsed_body['site_texts'].find { |text| text['id'] == 'js.yes_value' }['value']
         expect(value).to eq(I18n.with_locale(:de) { I18n.t('js.yes_value') })
       end
 
@@ -99,7 +99,7 @@ RSpec.describe Admin::SiteTextsController do
         ].each do |search_term|
           get "/admin/customize/site_texts.json", params: { q: search_term }
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['site_texts']).to include(include("id" => "title", "value" => value))
+          expect(response.parsed_body['site_texts']).to include(include("id" => "title", "value" => value))
         end
       end
 
@@ -114,7 +114,7 @@ RSpec.describe Admin::SiteTextsController do
         ].each do |search_term|
           get "/admin/customize/site_texts.json", params: { q: search_term }
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['site_texts']).to include(include("id" => "embed.loading", "value" => value))
+          expect(response.parsed_body['site_texts']).to include(include("id" => "embed.loading", "value" => value))
         end
       end
 
@@ -125,11 +125,11 @@ RSpec.describe Admin::SiteTextsController do
 
         get "/admin/customize/site_texts.json", params: { q: 'missing_plural_key' }
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['site_texts']).to be_empty
+        expect(response.parsed_body['site_texts']).to be_empty
 
         get "/admin/customize/site_texts.json", params: { q: 'another_missing_key' }
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['site_texts']).to be_empty
+        expect(response.parsed_body['site_texts']).to be_empty
       end
 
       context 'plural keys' do
@@ -205,7 +205,7 @@ RSpec.describe Admin::SiteTextsController do
         get "/admin/customize/site_texts/js.topic.list.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         site_text = json['site_text']
 
@@ -217,7 +217,7 @@ RSpec.describe Admin::SiteTextsController do
         get "/admin/customize/site_texts/js.emoji_picker.food_&_drink.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         site_text = json['site_text']
 
@@ -239,14 +239,14 @@ RSpec.describe Admin::SiteTextsController do
 
         get "/admin/customize/site_texts/#{key}.json"
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['overridden']).to eq(true)
 
         TranslationOverride.destroy_all
 
         get "/admin/customize/site_texts/#{key}.json"
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['overridden']).to eq(false)
       end
 
@@ -265,7 +265,7 @@ RSpec.describe Admin::SiteTextsController do
               get "/admin/customize/site_texts/#{id}.json"
               expect(response.status).to eq(200)
 
-              json = ::JSON.parse(response.body)
+              json = response.parsed_body
               expect(json).to be_present
 
               site_text = json['site_text']
@@ -312,7 +312,7 @@ RSpec.describe Admin::SiteTextsController do
 
         expect(response.status).to eq(404)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['error_type']).to eq('not_found')
       end
 
@@ -323,7 +323,7 @@ RSpec.describe Admin::SiteTextsController do
 
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         site_text = json['site_text']
 
         expect(site_text['id']).to eq('js.emoji_picker.animals_&_nature')
@@ -337,7 +337,7 @@ RSpec.describe Admin::SiteTextsController do
 
         expect(response.status).to eq(403)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['error_type']).to eq('invalid_access')
         expect(json['errors'].size).to eq(1)
         expect(json['errors'].first).to eq(I18n.t('email_template_cant_be_modified'))
@@ -352,7 +352,7 @@ RSpec.describe Admin::SiteTextsController do
 
         expect(response.status).to eq(422)
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['message']).to eq(I18n.t(
           'activerecord.errors.models.translation_overrides.attributes.value.invalid_interpolation_keys',
@@ -390,7 +390,7 @@ RSpec.describe Admin::SiteTextsController do
         put "/admin/customize/site_texts/title.json", params: { site_text: { value: 'hello' } }
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         site_text = json['site_text']
 
@@ -401,7 +401,7 @@ RSpec.describe Admin::SiteTextsController do
         delete "/admin/customize/site_texts/title.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         site_text = json['site_text']
 
@@ -422,24 +422,24 @@ RSpec.describe Admin::SiteTextsController do
 
         get "/admin/customize/site_texts/title.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['value']).to eq(ru_title)
 
         get "/admin/customize/site_texts/js.topic.read_more_MF.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['value']).to eq(ru_mf_text)
 
         SiteSetting.default_locale = :en
 
         get "/admin/customize/site_texts/title.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['value']).to_not eq(ru_title)
 
         get "/admin/customize/site_texts/js.topic.read_more_MF.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['site_text']['value']).to_not eq(ru_mf_text)
       end
 
diff --git a/spec/requests/admin/staff_action_logs_controller_spec.rb b/spec/requests/admin/staff_action_logs_controller_spec.rb
index 9e639402e4f..6d61fba42a6 100644
--- a/spec/requests/admin/staff_action_logs_controller_spec.rb
+++ b/spec/requests/admin/staff_action_logs_controller_spec.rb
@@ -20,7 +20,7 @@ describe Admin::StaffActionLogsController do
 
       get "/admin/logs/staff_action_logs.json", params: { action_id: UserHistory.actions[:delete_topic] }
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(response.status).to eq(200)
 
       expect(json["staff_action_logs"].length).to eq(1)
@@ -38,14 +38,14 @@ describe Admin::StaffActionLogsController do
 
       get "/admin/logs/staff_action_logs.json", params: { limit: 3 }
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(response.status).to eq(200)
       expect(json["staff_action_logs"].length).to eq(3)
       expect(json["staff_action_logs"][0]["new_value"]).to eq("value 4")
 
       get "/admin/logs/staff_action_logs.json", params: { limit: 3, page: 1 }
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(response.status).to eq(200)
       expect(json["staff_action_logs"].length).to eq(1)
       expect(json["staff_action_logs"][0]["new_value"]).to eq("value 1")
@@ -59,7 +59,7 @@ describe Admin::StaffActionLogsController do
       it 'Uses the custom_staff id' do
         get "/admin/logs/staff_action_logs.json", params: {}
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         action = json['extras']['user_history_actions'].first
 
         expect(action['id']).to eq plugin_extended_action.to_s
@@ -84,7 +84,7 @@ describe Admin::StaffActionLogsController do
       get "/admin/logs/staff_action_logs/#{record.id}/diff.json"
       expect(response.status).to eq(200)
 
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["side_by_side"]).to include("up")
       expect(parsed["side_by_side"]).to include("down")
 
diff --git a/spec/requests/admin/themes_controller_spec.rb b/spec/requests/admin/themes_controller_spec.rb
index 65dfbf3dd37..24d8d7712e2 100644
--- a/spec/requests/admin/themes_controller_spec.rb
+++ b/spec/requests/admin/themes_controller_spec.rb
@@ -17,7 +17,7 @@ describe Admin::ThemesController do
     it 'can generate key pairs' do
       post "/admin/themes/generate_key_pair.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["private_key"]).to include("RSA PRIVATE KEY")
       expect(json["public_key"]).to include("ssh-rsa ")
     end
@@ -35,12 +35,12 @@ describe Admin::ThemesController do
       upload = Upload.find_by(original_filename: "fake.woff2")
 
       expect(upload.id).not_to be_nil
-      expect(JSON.parse(response.body)["upload_id"]).to eq(upload.id)
+      expect(response.parsed_body["upload_id"]).to eq(upload.id)
     end
 
     context "when trying to upload an existing file" do
       let(:uploaded_file) { Upload.find_by(original_filename: "fake.woff2") }
-      let(:response_json) { JSON.parse(response.body) }
+      let(:response_json) { response.parsed_body }
 
       before do
         post "/admin/themes/upload_asset.json", params: { file: upload }
@@ -77,7 +77,7 @@ describe Admin::ThemesController do
         expect(response.status).to eq(201)
       end.to change { Theme.count }.by (1)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["name"]).to eq("Awesome Theme")
       expect(json["theme"]["theme_fields"].length).to eq(3)
@@ -110,7 +110,7 @@ describe Admin::ThemesController do
       post "/admin/themes/import.json", params: { theme: theme_json_file }
       expect(response.status).to eq(201)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["name"]).to eq("Sam's Simple Theme")
       expect(json["theme"]["theme_fields"].length).to eq(2)
@@ -124,7 +124,7 @@ describe Admin::ThemesController do
         post "/admin/themes/import.json", params: { theme: theme_archive }
       end.to change { Theme.count }.by (1)
       expect(response.status).to eq(201)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["name"]).to eq("Header Icons")
       expect(json["theme"]["theme_fields"].length).to eq(5)
@@ -139,7 +139,7 @@ describe Admin::ThemesController do
         post "/admin/themes/import.json", params: { bundle: theme_archive }
       end.to change { Theme.count }.by (0)
       expect(response.status).to eq(201)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["name"]).to eq("Header Icons")
       expect(json["theme"]["theme_fields"].length).to eq(5)
@@ -157,7 +157,7 @@ describe Admin::ThemesController do
         end.to change { Theme.count }.by (0)
       end
       expect(response.status).to eq(201)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       # Ensure only one refresh message is sent.
       # More than 1 is wasteful, and can trigger unusual race conditions in the client
@@ -179,7 +179,7 @@ describe Admin::ThemesController do
         post "/admin/themes/import.json", params: { bundle: theme_archive, theme_id: nil }
       end.to change { Theme.count }.by (1)
       expect(response.status).to eq(201)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["name"]).to eq("Header Icons")
       expect(json["theme"]["id"]).not_to eq(existing_theme.id)
@@ -213,7 +213,7 @@ describe Admin::ThemesController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["extras"]["color_schemes"].length).to eq(2)
       theme_json = json["themes"].find { |t| t["id"] == theme.id }
@@ -233,7 +233,7 @@ describe Admin::ThemesController do
 
       expect(response.status).to eq(201)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["theme"]["theme_fields"].length).to eq(1)
       expect(UserHistory.where(action: UserHistory.actions[:change_theme]).count).to eq(1)
@@ -293,7 +293,7 @@ describe Admin::ThemesController do
 
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       fields = json["theme"]["theme_fields"].sort { |a, b| a["value"] <=> b["value"] }
 
@@ -329,7 +329,7 @@ describe Admin::ThemesController do
 
       # Response correct
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["theme"]["translations"][0]["value"]).to eq("overridenstring")
 
       # Database correct
@@ -347,7 +347,7 @@ describe Admin::ThemesController do
       }
       # Response correct
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["theme"]["translations"][0]["value"]).to eq("defaultstring")
 
       # Database correct
@@ -380,7 +380,7 @@ describe Admin::ThemesController do
         }
       }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["theme"]["enabled"]).to eq(false)
       expect(UserHistory.where(
         context: child.id.to_s,
@@ -415,7 +415,7 @@ describe Admin::ThemesController do
         }
       }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(UserHistory.where(
         context: child.id.to_s,
@@ -441,7 +441,7 @@ describe Admin::ThemesController do
         theme: { remote_update: true }
       }
       expect(response.status).to eq(422)
-      expect(JSON.parse(response.body)["errors"].first).to eq("error message")
+      expect(response.parsed_body["errors"].first).to eq("error message")
     end
 
     it 'returns the right error message' do
@@ -452,7 +452,7 @@ describe Admin::ThemesController do
       }
 
       expect(response.status).to eq(400)
-      expect(JSON.parse(response.body)["errors"].first).to include(I18n.t("themes.errors.component_no_default"))
+      expect(response.parsed_body["errors"].first).to include(I18n.t("themes.errors.component_no_default"))
     end
   end
 
@@ -512,7 +512,7 @@ describe Admin::ThemesController do
       }
 
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body)["bg"]).to eq("green")
+      expect(response.parsed_body["bg"]).to eq("green")
 
       theme.reload
       expect(theme.included_settings[:bg]).to eq("green")
diff --git a/spec/requests/admin/user_fields_controller_spec.rb b/spec/requests/admin/user_fields_controller_spec.rb
index 9bcbd6cc18f..672e1f6ede0 100644
--- a/spec/requests/admin/user_fields_controller_spec.rb
+++ b/spec/requests/admin/user_fields_controller_spec.rb
@@ -49,7 +49,7 @@ describe Admin::UserFieldsController do
       it "returns a list of user fields" do
         get "/admin/customize/user_fields.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['user_fields']).to be_present
       end
     end
diff --git a/spec/requests/admin/users_controller_spec.rb b/spec/requests/admin/users_controller_spec.rb
index 273ff481929..f62407d9569 100644
--- a/spec/requests/admin/users_controller_spec.rb
+++ b/spec/requests/admin/users_controller_spec.rb
@@ -19,14 +19,14 @@ RSpec.describe Admin::UsersController do
     it 'returns success with JSON' do
       get "/admin/users/list.json"
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body)).to be_present
+      expect(response.parsed_body).to be_present
     end
 
     context 'when showing emails' do
       it "returns email for all the users" do
         get "/admin/users/list.json", params: { show_emails: "true" }
         expect(response.status).to eq(200)
-        data = ::JSON.parse(response.body)
+        data = response.parsed_body
         data.each do |user|
           expect(user["email"]).to be_present
         end
@@ -582,7 +582,7 @@ RSpec.describe Admin::UsersController do
       it "returns an api response that the user can't be deleted because it has posts" do
         delete "/admin/users/#{delete_me.id}.json"
         expect(response.status).to eq(403)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['deleted']).to eq(false)
       end
 
@@ -608,7 +608,7 @@ RSpec.describe Admin::UsersController do
     it "returns success" do
       put "/admin/users/#{reg_user.id}/activate.json"
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['success']).to eq("OK")
       reg_user.reload
       expect(reg_user.active).to eq(true)
@@ -634,7 +634,7 @@ RSpec.describe Admin::UsersController do
     it "returns success" do
       put "/admin/users/#{reg_user.id}/deactivate.json"
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['success']).to eq("OK")
       reg_user.reload
       expect(reg_user.active).to eq(false)
@@ -647,7 +647,7 @@ RSpec.describe Admin::UsersController do
     it "returns success" do
       post "/admin/users/#{reg_user.id}/log_out.json"
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['success']).to eq("OK")
     end
 
@@ -765,7 +765,7 @@ RSpec.describe Admin::UsersController do
 
       get "/admin/users/ip-info.json", params: { ip: ip }
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body).symbolize_keys).to eq(
+      expect(response.parsed_body.symbolize_keys).to eq(
         city: "London",
         country: "United Kingdom",
         country_code: "GB",
@@ -848,7 +848,7 @@ RSpec.describe Admin::UsersController do
 
       post "/admin/users/sync_sso.json", params: Rack::Utils.parse_query(sso.payload)
       expect(response.status).to eq(403)
-      expect(JSON.parse(response.body)["message"]).to include("Primary email can't be blank")
+      expect(response.parsed_body["message"]).to include("Primary email can't be blank")
     end
 
     it 'should return the right message if the signature is invalid' do
@@ -860,8 +860,8 @@ RSpec.describe Admin::UsersController do
       correct_payload = Rack::Utils.parse_query(sso.payload)
       post "/admin/users/sync_sso.json", params: correct_payload.merge(sig: "someincorrectsignature")
       expect(response.status).to eq(422)
-      expect(JSON.parse(response.body)["message"]).to include(I18n.t('sso.login_error'))
-      expect(JSON.parse(response.body)["message"]).not_to include(correct_payload["sig"])
+      expect(response.parsed_body["message"]).to include(I18n.t('sso.login_error'))
+      expect(response.parsed_body["message"]).not_to include(correct_payload["sig"])
     end
 
     it "returns 404 if the external id does not exist" do
@@ -871,7 +871,7 @@ RSpec.describe Admin::UsersController do
       sso.external_id = ""
       post "/admin/users/sync_sso.json", params: Rack::Utils.parse_query(sso.payload)
       expect(response.status).to eq(422)
-      expect(JSON.parse(response.body)["message"]).to include(I18n.t('sso.blank_id_error'))
+      expect(response.parsed_body["message"]).to include(I18n.t('sso.blank_id_error'))
     end
   end
 
@@ -975,7 +975,7 @@ RSpec.describe Admin::UsersController do
       it 'returns how many posts were deleted' do
         put "/admin/users/#{user.id}/delete_posts_batch.json"
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["posts_deleted"]).to eq(3)
+        expect(response.parsed_body["posts_deleted"]).to eq(3)
       end
     end
 
@@ -983,7 +983,7 @@ RSpec.describe Admin::UsersController do
       it "returns correct json" do
         put "/admin/users/#{user.id}/delete_posts_batch.json"
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["posts_deleted"]).to eq(0)
+        expect(response.parsed_body["posts_deleted"]).to eq(0)
       end
     end
   end
diff --git a/spec/requests/admin/versions_controller_spec.rb b/spec/requests/admin/versions_controller_spec.rb
index 8922c995853..2057f3700ab 100644
--- a/spec/requests/admin/versions_controller_spec.rb
+++ b/spec/requests/admin/versions_controller_spec.rb
@@ -25,13 +25,13 @@ describe Admin::VersionsController do
       it 'should return the currently available version' do
         get "/admin/version_check.json"
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['latest_version']).to eq('1.2.33')
       end
 
       it "should return the installed version" do
         get "/admin/version_check.json"
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(response.status).to eq(200)
         expect(json['installed_version']).to eq(Discourse::VERSION::STRING)
       end
diff --git a/spec/requests/admin/web_hooks_controller_spec.rb b/spec/requests/admin/web_hooks_controller_spec.rb
index be8e36f7ac4..125032351a2 100644
--- a/spec/requests/admin/web_hooks_controller_spec.rb
+++ b/spec/requests/admin/web_hooks_controller_spec.rb
@@ -34,7 +34,7 @@ describe Admin::WebHooksController do
 
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["web_hook"]["payload_url"]).to eq("https://meta.discourse.org/")
         expect(UserHistory.where(acting_user_id: admin.id, action: UserHistory.actions[:web_hook_create]).count).to eq(1)
       end
@@ -54,7 +54,7 @@ describe Admin::WebHooksController do
         }
 
         expect(response.status).to eq(422)
-        response_body = JSON.parse(response.body)
+        response_body = response.parsed_body
 
         expect(response_body["errors"]).to be_present
       end
diff --git a/spec/requests/application_controller_spec.rb b/spec/requests/application_controller_spec.rb
index 4d551942f6b..4a961746109 100644
--- a/spec/requests/application_controller_spec.rb
+++ b/spec/requests/application_controller_spec.rb
@@ -232,7 +232,7 @@ RSpec.describe ApplicationController do
 
       expect(log).not_to include('exception app middleware')
 
-      expect(JSON.parse(response.body)).to eq(
+      expect(response.parsed_body).to eq(
         "status" => 400,
         "error" => "Bad Request"
       )
@@ -245,7 +245,7 @@ RSpec.describe ApplicationController do
       get "/search/query.json", params: { trem: "misspelled term" }
 
       expect(response.status).to eq(400)
-      expect(JSON.parse(response.body)).to eq(
+      expect(response.parsed_body).to eq(
         "errors" => ["param is missing or the value is empty: term"]
       )
     end
diff --git a/spec/requests/associate_accounts_controller_spec.rb b/spec/requests/associate_accounts_controller_spec.rb
index 8e67b2732e8..3b06878f6c2 100644
--- a/spec/requests/associate_accounts_controller_spec.rb
+++ b/spec/requests/associate_accounts_controller_spec.rb
@@ -52,7 +52,7 @@ RSpec.describe Users::AssociateAccountsController do
       # Request associate info
       uri = URI.parse(response.redirect_url)
       get "#{uri.path}.json"
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["provider_name"]).to eq("google_oauth2")
       expect(data["account_description"]).to eq("someemail@test.com")
 
@@ -64,7 +64,7 @@ RSpec.describe Users::AssociateAccountsController do
       # Back to first user
       sign_in(user)
       get "#{uri.path}.json"
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["provider_name"]).to eq("google_oauth2")
 
       # Make the connection
diff --git a/spec/requests/badges_controller_spec.rb b/spec/requests/badges_controller_spec.rb
index 777596a4ff5..f89bb7c8306 100644
--- a/spec/requests/badges_controller_spec.rb
+++ b/spec/requests/badges_controller_spec.rb
@@ -15,7 +15,7 @@ describe BadgesController do
       get "/badges.json"
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["badges"].length).to eq(Badge.enabled.count)
     end
   end
@@ -24,7 +24,7 @@ describe BadgesController do
     it "should return a badge" do
       get "/badges/#{badge.id}.json"
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["badge"]).to be_present
     end
 
diff --git a/spec/requests/bookmarks_controller_spec.rb b/spec/requests/bookmarks_controller_spec.rb
index 7c4292c78d0..5ab699f9d0c 100644
--- a/spec/requests/bookmarks_controller_spec.rb
+++ b/spec/requests/bookmarks_controller_spec.rb
@@ -25,7 +25,7 @@ describe BookmarksController do
         }
 
         expect(response.status).to eq(400)
-        expect(JSON.parse(response.body)['errors']).to include(
+        expect(response.parsed_body['errors']).to include(
           I18n.t("bookmarks.errors.already_bookmarked_post")
         )
       end
@@ -39,7 +39,7 @@ describe BookmarksController do
         }
 
         expect(response.status).to eq(400)
-        expect(JSON.parse(response.body)['errors'].first).to include(
+        expect(response.parsed_body['errors'].first).to include(
           I18n.t("bookmarks.errors.time_must_be_provided")
         )
       end
@@ -60,7 +60,7 @@ describe BookmarksController do
         delete "/bookmarks/#{bookmark.id}.json"
 
         expect(response.status).to eq(404)
-        expect(JSON.parse(response.body)['errors'].first).to include(
+        expect(response.parsed_body['errors'].first).to include(
           I18n.t("not_found")
         )
       end
@@ -73,7 +73,7 @@ describe BookmarksController do
         delete "/bookmarks/#{bookmark.id}.json"
 
         expect(response.status).to eq(403)
-        expect(JSON.parse(response.body)['errors'].first).to include(
+        expect(response.parsed_body['errors'].first).to include(
           I18n.t("invalid_access")
         )
       end
diff --git a/spec/requests/categories_controller_spec.rb b/spec/requests/categories_controller_spec.rb
index e4b0cec35c6..a4825fb101a 100644
--- a/spec/requests/categories_controller_spec.rb
+++ b/spec/requests/categories_controller_spec.rb
@@ -129,7 +129,7 @@ describe CategoriesController do
           }
 
           expect(response.status).to eq(422)
-          expect(JSON.parse(response.body)['errors']).to be_present
+          expect(response.parsed_body['errors']).to be_present
         end
       end
 
@@ -156,7 +156,7 @@ describe CategoriesController do
           }
 
           expect(response.status).to eq(200)
-          cat_json = ::JSON.parse(response.body)['category']
+          cat_json = response.parsed_body['category']
           expect(cat_json).to be_present
           expect(cat_json['reviewable_by_group_name']).to eq(group.name)
           expect(cat_json['name']).to eq('hello')
@@ -497,21 +497,21 @@ describe CategoriesController do
       SiteSetting.categories_topics = 5
 
       get '/categories_and_latest.json'
-      expect(JSON.parse(response.body)['topic_list']['topics'].size).to eq(5)
+      expect(response.parsed_body['topic_list']['topics'].size).to eq(5)
     end
 
     it 'works when SiteSetting.categories_topics is null' do
       SiteSetting.categories_topics = 0
 
       get '/categories_and_latest.json'
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['category_list']['categories'].size).to eq(2) # 'Uncategorized' and category
       expect(json['topic_list']['topics'].size).to eq(5)
 
       Fabricate(:category, parent_category: category)
 
       get '/categories_and_latest.json'
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['category_list']['categories'].size).to eq(2)
       expect(json['topic_list']['topics'].size).to eq(5)
 
@@ -519,7 +519,7 @@ describe CategoriesController do
       Fabricate(:category)
 
       get '/categories_and_latest.json'
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['category_list']['categories'].size).to eq(4)
       expect(json['topic_list']['topics'].size).to eq(6)
     end
diff --git a/spec/requests/category_hashtags_controller_spec.rb b/spec/requests/category_hashtags_controller_spec.rb
index f055998d844..f2f62a82ea1 100644
--- a/spec/requests/category_hashtags_controller_spec.rb
+++ b/spec/requests/category_hashtags_controller_spec.rb
@@ -17,7 +17,7 @@ describe CategoryHashtagsController do
           get "/category_hashtags/check.json", params: { category_slugs: [category.slug, 'none'] }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).to eq(
+          expect(response.parsed_body).to eq(
             "valid" => [{ "slug" => category.hashtag_slug, "url" => category.url_with_id }]
           )
         end
@@ -29,7 +29,7 @@ describe CategoryHashtagsController do
           get "/category_hashtags/check.json", params: { category_slugs: [private_category.slug] }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).to eq("valid" => [])
+          expect(response.parsed_body).to eq("valid" => [])
         end
       end
 
@@ -44,7 +44,7 @@ describe CategoryHashtagsController do
             params: { category_slugs: [private_category.slug] }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).to eq(
+          expect(response.parsed_body).to eq(
             "valid" => [{ "slug" => private_category.hashtag_slug, "url" => private_category.url_with_id }]
           )
         end
diff --git a/spec/requests/composer_messages_controller_spec.rb b/spec/requests/composer_messages_controller_spec.rb
index 0654bca1abc..241f931868f 100644
--- a/spec/requests/composer_messages_controller_spec.rb
+++ b/spec/requests/composer_messages_controller_spec.rb
@@ -27,7 +27,7 @@ describe ComposerMessagesController do
 
         get "/composer_messages.json", params: args
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["composer_messages"].first["id"]).to eq("reviving_old")
       end
     end
diff --git a/spec/requests/directory_items_controller_spec.rb b/spec/requests/directory_items_controller_spec.rb
index 31f416f6d45..73a76e5830f 100644
--- a/spec/requests/directory_items_controller_spec.rb
+++ b/spec/requests/directory_items_controller_spec.rb
@@ -40,7 +40,7 @@ describe DirectoryItemsController do
     it "succeeds with a valid value" do
       get '/directory_items.json', params: { period: 'all' }
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json).to be_present
       expect(json['directory_items']).to be_present
@@ -63,7 +63,7 @@ describe DirectoryItemsController do
       get '/directory_items.json', params: { period: 'all', name: 'eviltrout' }
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['directory_items'].length).to eq(1)
       expect(json['meta']['total_rows_directory_items']).to eq(1)
@@ -74,7 +74,7 @@ describe DirectoryItemsController do
       get '/directory_items.json', params: { period: 'all', name: 'stage_user' }
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['directory_items'].length).to eq(1)
       expect(json['meta']['total_rows_directory_items']).to eq(1)
@@ -85,7 +85,7 @@ describe DirectoryItemsController do
       get '/directory_items.json', params: { period: 'all', exclude_usernames: "stage_user,eviltrout" }
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['directory_items'].length).to eq(2)
       expect(json['meta']['total_rows_directory_items']).to eq(2)
@@ -97,7 +97,7 @@ describe DirectoryItemsController do
       get '/directory_items.json', params: { period: 'all', group: group.name }
       expect(response.status).to eq(200)
 
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['directory_items'].length).to eq(2)
       expect(json['meta']['total_rows_directory_items']).to eq(2)
diff --git a/spec/requests/draft_controller_spec.rb b/spec/requests/draft_controller_spec.rb
index c84f3fceb32..f0596ce20e1 100644
--- a/spec/requests/draft_controller_spec.rb
+++ b/spec/requests/draft_controller_spec.rb
@@ -33,7 +33,7 @@ describe DraftController do
 
     get "/draft.json", params: { draft_key: 'hello' }
     expect(response.status).to eq(200)
-    json = ::JSON.parse(response.body)
+    json = response.parsed_body
     expect(json['draft']).to eq('test')
 
     get "/draft.json"
@@ -54,7 +54,7 @@ describe DraftController do
       }.to_json
     }
 
-    expect(JSON.parse(response.body)['conflict_user']).to eq(nil)
+    expect(response.parsed_body['conflict_user']).to eq(nil)
 
     post "/draft.json", params: {
       draft_key: "topic",
@@ -66,7 +66,7 @@ describe DraftController do
       }.to_json
     }
 
-    json = JSON.parse(response.body)
+    json = response.parsed_body
 
     expect(json['conflict_user']['id']).to eq(post.last_editor.id)
     expect(json['conflict_user']).to include('avatar_template')
@@ -94,7 +94,7 @@ describe DraftController do
     }
 
     expect(response.status).to eq(200)
-    json = JSON.parse(response.body)
+    json = response.parsed_body
     expect(json["draft_sequence"]).to eq(1)
   end
 
@@ -110,7 +110,7 @@ describe DraftController do
 
     expect(response.status).to eq(200)
 
-    json = JSON.parse(response.body)
+    json = response.parsed_body
     expect(json["draft_sequence"]).to eq(0)
 
     post "/draft.json", params: {
@@ -121,7 +121,7 @@ describe DraftController do
     }
 
     expect(response.status).to eq(200)
-    json = JSON.parse(response.body)
+    json = response.parsed_body
     expect(json["draft_sequence"]).to eq(1)
 
     expect(DraftSequence.current(user, "abc")).to eq(1)
@@ -134,7 +134,7 @@ describe DraftController do
     }
 
     expect(response.status).to eq(200)
-    json = JSON.parse(response.body)
+    json = response.parsed_body
     expect(json["draft_sequence"]).to eq(1)
 
     post "/draft.json", params: {
@@ -145,7 +145,7 @@ describe DraftController do
     }
 
     expect(response.status).to eq(200)
-    json = JSON.parse(response.body)
+    json = response.parsed_body
     expect(json["draft_sequence"]).to eq(2)
   end
 
diff --git a/spec/requests/drafts_controller_spec.rb b/spec/requests/drafts_controller_spec.rb
index d67d32828c3..0ce0be86638 100644
--- a/spec/requests/drafts_controller_spec.rb
+++ b/spec/requests/drafts_controller_spec.rb
@@ -13,7 +13,7 @@ describe DraftsController do
     Draft.set(user, 'xxx', 0, '{}')
     get "/drafts.json", params: { username: user.username }
     expect(response.status).to eq(200)
-    parsed = JSON.parse(response.body)
+    parsed = response.parsed_body
     expect(parsed["drafts"].length).to eq(1)
   end
 
@@ -23,7 +23,7 @@ describe DraftsController do
     Draft.clear(user, 'xxx', 0)
     get "/drafts.json", params: { username: user.username }
     expect(response.status).to eq(200)
-    parsed = JSON.parse(response.body)
+    parsed = response.parsed_body
     expect(parsed["drafts"].length).to eq(0)
   end
 
@@ -45,13 +45,13 @@ describe DraftsController do
     sign_in(topic_user)
     get "/drafts.json", params: { username: topic_user.username }
     expect(response.status).to eq(200)
-    parsed = JSON.parse(response.body)
+    parsed = response.parsed_body
     expect(parsed["drafts"].first["title"]).to eq(topic.title)
 
     sign_in(other_user)
     get "/drafts.json", params: { username: other_user.username }
     expect(response.status).to eq(200)
-    parsed = JSON.parse(response.body)
+    parsed = response.parsed_body
     expect(parsed["drafts"].first["title"]).to eq(nil)
   end
 end
diff --git a/spec/requests/embed_controller_spec.rb b/spec/requests/embed_controller_spec.rb
index ac0d6c3aa83..62e42b1d819 100644
--- a/spec/requests/embed_controller_spec.rb
+++ b/spec/requests/embed_controller_spec.rb
@@ -52,7 +52,7 @@ describe EmbedController do
             params: { embed_url: topic_embed.embed_url },
             headers: { HTTP_API_KEY: api_key.key, HTTP_API_USERNAME: "system" }
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['topic_id']).to eq(topic_embed.topic.id)
           expect(json['post_id']).to eq(topic_embed.post.id)
           expect(json['topic_slug']).to eq(topic_embed.topic.slug)
@@ -65,7 +65,7 @@ describe EmbedController do
             params: { embed_url: "http://nope.com" },
             headers: { HTTP_API_KEY: api_key.key, HTTP_API_USERNAME: "system" }
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["error_type"]).to eq("not_found")
         end
       end
diff --git a/spec/requests/groups_controller_spec.rb b/spec/requests/groups_controller_spec.rb
index 5edf1bcb6fc..bbbb3730673 100644
--- a/spec/requests/groups_controller_spec.rb
+++ b/spec/requests/groups_controller_spec.rb
@@ -22,7 +22,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body["groups"].size).to eq(36)
       expect(body["total_rows_groups"]).to eq(50)
@@ -32,7 +32,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body["groups"].size).to eq(14)
       expect(body["total_rows_groups"]).to eq(50)
@@ -79,7 +79,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body["groups"].first["id"]).to eq(testing_group.id)
         expect(body["load_more_groups"]).to eq("/groups?filter=test&page=1")
@@ -100,7 +100,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["groups"].map { |g| g["id"] }).to eq([
             other_group.id, group.id, moderator_group_id
@@ -114,7 +114,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["groups"].map { |g| g["id"] }).to eq([
             other_group.id, group.id, moderator_group_id
@@ -130,7 +130,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["groups"].map { |g| g["id"] }).to eq([
             moderator_group_id, group.id, other_group.id
@@ -144,7 +144,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["groups"].map { |g| g["id"] }).to eq([
             moderator_group_id, group.id, other_group.id
@@ -163,7 +163,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       group_ids = body["groups"].map { |g| g["id"] }
 
@@ -209,7 +209,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         expect(group_names).to contain_exactly("0_0")
 
         # logged in user
@@ -217,7 +217,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         expect(group_names).to contain_exactly("0_0", "0_1", "1_0", "1_1")
 
         # member of the group
@@ -225,7 +225,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         expect(group_names).to contain_exactly("0_0", "0_1", "0_2", "1_0", "1_1", "1_2", "2_0", "2_1", "2_2")
 
         # owner
@@ -233,7 +233,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         expect(group_names).to contain_exactly("0_0", "0_1", "0_4", "1_0", "1_1", "1_4", "2_4", "3_4", "4_0", "4_1", "4_2", "4_3", "4_4")
 
         # moderator
@@ -241,7 +241,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         expect(group_names).to contain_exactly("0_0", "0_1", "0_3", "1_0", "1_1", "1_3", "3_0", "3_1", "3_3")
 
         # admin
@@ -249,7 +249,7 @@ describe GroupsController do
         get "/groups.json", params: { username: u.username }
 
         expect(response.status).to eq(200)
-        group_names = JSON.parse(response.body)["groups"].map { |g| g["name"] }
+        group_names = response.parsed_body["groups"].map { |g| g["name"] }
         all_group_names = levels.product(levels).map { |a, b| "#{a}_#{b}" }
         expect(group_names).to contain_exactly(*all_group_names)
       end
@@ -270,7 +270,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         group_ids = body["groups"].map { |g| g["id"] }
         group_body = body["groups"].find { |g| g["id"] == group.id }
@@ -292,7 +292,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
           group_ids = body["groups"].map { |g| g["id"] }
 
           expect(body["total_rows_groups"]).to eq(expected_group_ids.count)
@@ -360,7 +360,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body['group']['id']).to eq(group.id)
       expect(body['extras']["visible_group_names"]).to eq([group.name])
@@ -373,7 +373,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['group']['id']).to eq(group.id)
 
@@ -409,7 +409,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        body = JSON.parse(response.body)['group']
+        body = response.parsed_body['group']
 
         expect(body["id"]).to eq(group.id)
       end
@@ -441,7 +441,7 @@ describe GroupsController do
       get "/groups/#{group.name}/posts.json"
 
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body).first["id"]).to eq(post.id)
+      expect(response.parsed_body.first["id"]).to eq(post.id)
     end
   end
 
@@ -492,7 +492,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m['username'] }).to eq(usernames[0..2])
 
@@ -500,12 +500,12 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m['username'] }).to eq(usernames[3..5])
 
       get "/groups/#{group.name}/members.json", params: { order: 'added_at', desc: true }
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.last['added_at']).to eq(first_user.created_at.as_json)
     end
@@ -549,7 +549,7 @@ describe GroupsController do
       get "/groups/#{group.name}/mentionable.json"
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
       expect(body["mentionable"]).to eq(false)
 
       group.update!(
@@ -560,7 +560,7 @@ describe GroupsController do
       get "/groups/#{group.name}/mentionable.json"
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
       expect(body["mentionable"]).to eq(true)
 
       group.update!(
@@ -571,7 +571,7 @@ describe GroupsController do
       get "/groups/#{group.name}/mentionable.json"
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
       expect(body["mentionable"]).to eq(true)
     end
   end
@@ -583,7 +583,7 @@ describe GroupsController do
       get "/groups/#{group.name}/messageable.json"
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
       expect(body["messageable"]).to eq(false)
 
       group.update!(
@@ -594,7 +594,7 @@ describe GroupsController do
       get "/groups/#{group.name}/messageable.json"
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
       expect(body["messageable"]).to eq(true)
     end
   end
@@ -855,7 +855,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m["id"] }).to eq([user1.id, user2.id, user3.id])
 
@@ -863,7 +863,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m["id"] }).to eq([user2.id, user1.id, user3.id])
 
@@ -873,7 +873,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m["id"] }).to eq([user2.id, user1.id, user3.id])
     end
@@ -883,7 +883,7 @@ describe GroupsController do
 
       expect(response.status).to eq(200)
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
 
       expect(members.map { |m| m["id"] })
         .to contain_exactly(user1.id, user2.id, user3.id)
@@ -897,7 +897,7 @@ describe GroupsController do
 
       get "/groups/#{group.name}/members.json", params: { requesters: true }
 
-      members = JSON.parse(response.body)["members"]
+      members = response.parsed_body["members"]
       expect(members.length).to eq(1)
       expect(members.first["username"]).to eq(user4.username)
       expect(members.first["reason"]).to eq(request4.reason)
@@ -912,7 +912,7 @@ describe GroupsController do
           get "/groups/#{group.name}/members.json", params: { filter: email }
 
           expect(response.status).to eq(200)
-          members = JSON.parse(response.body)["members"]
+          members = response.parsed_body["members"]
           expect(members).to eq([])
         end
       end
@@ -934,7 +934,7 @@ describe GroupsController do
             get "/groups/#{group.name}/members.json", params: { filter: filter }
 
             expect(response.status).to eq(200)
-            members = JSON.parse(response.body)["members"]
+            members = response.parsed_body["members"]
             expect(members.map { |m| m["id"] }).to contain_exactly(*ids)
           end
         end
@@ -947,7 +947,7 @@ describe GroupsController do
             get "/groups/#{group.name}/members.json", params: { filter: filter }
 
             expect(response.status).to eq(200)
-            members = JSON.parse(response.body)["members"]
+            members = response.parsed_body["members"]
             expect(members.map { |m| m["id"] }).to contain_exactly(user1.id)
           end
         end
@@ -1089,7 +1089,7 @@ describe GroupsController do
 
           expect(response.status).to eq(422)
 
-          expect(JSON.parse(response.body)["errors"]).to include(I18n.t(
+          expect(response.parsed_body["errors"]).to include(I18n.t(
             "groups.errors.member_already_exist",
             username: "alice, bob",
             count: 2
@@ -1102,7 +1102,7 @@ describe GroupsController do
 
         expect(response.status).to eq(422)
 
-        expect(JSON.parse(response.body)["errors"]).to include(I18n.t(
+        expect(response.parsed_body["errors"]).to include(I18n.t(
           "groups.errors.member_already_exist",
           username: user.username,
           count: 1
@@ -1119,7 +1119,7 @@ describe GroupsController do
 
           expect(response.status).to eq(400)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["error_type"]).to eq("invalid_parameters")
         end
@@ -1365,7 +1365,7 @@ describe GroupsController do
 
           expect(response.status).to eq(200)
 
-          result = JSON.parse(response.body)["logs"].find { |entry| entry["subject"] == "public_exit" }
+          result = response.parsed_body["logs"].find { |entry| entry["subject"] == "public_exit" }
 
           expect(result["action"]).to eq(GroupHistory.actions[1].to_s)
           expect(result["subject"]).to eq('public_exit')
@@ -1397,7 +1397,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        result = JSON.parse(response.body)["logs"].first
+        result = response.parsed_body["logs"].first
 
         expect(result["action"]).to eq(GroupHistory.actions[3].to_s)
       end
@@ -1420,7 +1420,7 @@ describe GroupsController do
 
         expect(response.status).to eq(200)
 
-        logs = JSON.parse(response.body)["logs"]
+        logs = response.parsed_body["logs"]
 
         expect(logs.count).to eq(1)
         expect(logs.first["action"]).to eq(GroupHistory.actions[2].to_s)
@@ -1471,7 +1471,7 @@ describe GroupsController do
 
       post = Post.last
       topic = post.topic
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body['relative_url']).to eq(topic.relative_url)
       expect(post.topic.custom_fields['requested_group_id'].to_i).to eq(group.id)
@@ -1520,7 +1520,7 @@ describe GroupsController do
         get '/groups/search.json'
 
         expect(response.status).to eq(200)
-        groups = JSON.parse(response.body)
+        groups = response.parsed_body
 
         expected_ids = Group::AUTO_GROUPS.map { |name, id| id }
         expected_ids.delete(Group::AUTO_GROUPS[:everyone])
@@ -1532,7 +1532,7 @@ describe GroupsController do
           get "/groups/search.json?term=#{term}"
 
           expect(response.status).to eq(200)
-          groups = JSON.parse(response.body)
+          groups = response.parsed_body
 
           expect(groups.length).to eq(1)
           expect(groups.first['id']).to eq(group.id)
@@ -1541,7 +1541,7 @@ describe GroupsController do
         get "/groups/search.json?term=KingOfTheNorth"
 
         expect(response.status).to eq(200)
-        groups = JSON.parse(response.body)
+        groups = response.parsed_body
 
         expect(groups).to eq([])
       end
@@ -1558,7 +1558,7 @@ describe GroupsController do
         get "/groups/search.json?term=north"
 
         expect(response.status).to eq(200)
-        groups = JSON.parse(response.body)
+        groups = response.parsed_body
 
         expect(groups.length).to eq(1)
         expect(groups.first['id']).to eq(hidden_group.id)
@@ -1572,7 +1572,7 @@ describe GroupsController do
         get '/groups/search.json?ignore_automatic=true'
 
         expect(response.status).to eq(200)
-        groups = JSON.parse(response.body)
+        groups = response.parsed_body
 
         expect(groups.length).to eq(2)
 
@@ -1626,7 +1626,7 @@ describe GroupsController do
       get "/groups/check-name.json", params: { group_name: 'test' }
 
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body)["available"]).to eq(true)
+      expect(response.parsed_body["available"]).to eq(true)
     end
   end
 end
diff --git a/spec/requests/inline_onebox_controller_spec.rb b/spec/requests/inline_onebox_controller_spec.rb
index 1a29e752759..8aed821fef6 100644
--- a/spec/requests/inline_onebox_controller_spec.rb
+++ b/spec/requests/inline_onebox_controller_spec.rb
@@ -15,7 +15,7 @@ describe InlineOneboxController do
     it "returns empty JSON for empty input" do
       get "/inline-onebox.json", params: { urls: [] }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['inline-oneboxes']).to eq([])
     end
 
@@ -25,7 +25,7 @@ describe InlineOneboxController do
       it "returns information for a valid link" do
         get "/inline-onebox.json", params: { urls: [ topic.url ] }
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         onebox = json['inline-oneboxes'][0]
 
         expect(onebox).to be_present
diff --git a/spec/requests/invites_controller_spec.rb b/spec/requests/invites_controller_spec.rb
index 8af1c741eaf..5e2bf32aa36 100644
--- a/spec/requests/invites_controller_spec.rb
+++ b/spec/requests/invites_controller_spec.rb
@@ -94,7 +94,7 @@ describe InvitesController do
         invite = Invite.invite_by_email("invite@example.com", user)
         post "/invites.json", params: { email: invite.email }
         expect(response.status).to eq(422)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["failed"]).to be_present
       end
 
@@ -129,7 +129,7 @@ describe InvitesController do
         sign_in(Fabricate(:admin))
         post "/invites.json", params: { email: "test@mailinator.com" }
         expect(response.status).to eq(422)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["errors"]).to be_present
       end
     end
@@ -208,7 +208,7 @@ describe InvitesController do
       it "redirects to the root and doesn't change the session" do
         put "/invites/show/doesntexist.json"
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(false)
         expect(json["message"]).to eq(I18n.t('invite.not_found_json'))
         expect(session[:current_user_id]).to be_blank
@@ -221,7 +221,7 @@ describe InvitesController do
         invite.update_attribute(:email, "John Doe <john.doe@example.com>")
         put "/invites/show/#{invite.invite_key}.json"
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(false)
         expect(json["message"]).to eq(I18n.t('invite.error_message'))
         expect(session[:current_user_id]).to be_blank
@@ -243,7 +243,7 @@ describe InvitesController do
         put "/invites/show/#{invite.invite_key}.json"
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(false)
         expect(json["message"]).to eq(I18n.t('invite.not_found_json'))
         expect(session[:current_user_id]).to be_blank
@@ -286,7 +286,7 @@ describe InvitesController do
           it 'redirects to the first topic the user was invited to' do
             put "/invites/show/#{invite.invite_key}.json"
             expect(response.status).to eq(200)
-            json = JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["success"]).to eq(true)
             expect(json["redirect_to"]).to eq(topic.relative_url)
           end
@@ -306,7 +306,7 @@ describe InvitesController do
           it "doesn't log in the user if there's a validation error" do
             put "/invites/show/#{invite.invite_key}.json", params: { password: "password" }
             expect(response.status).to eq(200)
-            json = JSON.parse(response.body)
+            json = response.parsed_body
             expect(json["success"]).to eq(false)
             expect(json["errors"]["password"]).to be_present
           end
@@ -317,7 +317,7 @@ describe InvitesController do
             user.send_welcome_message = true
             put "/invites/show/#{invite.invite_key}.json"
             expect(response.status).to eq(200)
-            expect(JSON.parse(response.body)["success"]).to eq(true)
+            expect(response.parsed_body["success"]).to eq(true)
 
             expect(Jobs::SendSystemMessage.jobs.size).to eq(1)
           end
@@ -371,7 +371,7 @@ describe InvitesController do
                 end.to change { UserAuthToken.count }.by(1)
 
                 expect(response.status).to eq(200)
-                expect(JSON.parse(response.body)["success"]).to eq(true)
+                expect(response.parsed_body["success"]).to eq(true)
 
                 expect(Jobs::InvitePasswordInstructionsEmail.jobs.size).to eq(0)
                 expect(Jobs::CriticalUserEmail.jobs.size).to eq(0)
@@ -391,8 +391,8 @@ describe InvitesController do
                 end.not_to change { UserAuthToken.count }
 
                 expect(response.status).to eq(200)
-                expect(JSON.parse(response.body)["success"]).to eq(true)
-                expect(JSON.parse(response.body)["message"]).to eq(I18n.t("invite.confirm_email"))
+                expect(response.parsed_body["success"]).to eq(true)
+                expect(response.parsed_body["message"]).to eq(I18n.t("invite.confirm_email"))
 
                 invited_user = User.find_by_email(invite.email)
                 expect(invited_user.active).to eq(false)
@@ -526,7 +526,7 @@ describe InvitesController do
 
         expect(response.status).to eq(422)
         expect(Jobs::BulkInvite.jobs.size).to eq(1)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["errors"][0]).to eq(I18n.t("bulk_invite.max_rows", max_bulk_invites: SiteSetting.max_bulk_invites))
       end
     end
diff --git a/spec/requests/list_controller_spec.rb b/spec/requests/list_controller_spec.rb
index 38daebea590..d1238c1f00f 100644
--- a/spec/requests/list_controller_spec.rb
+++ b/spec/requests/list_controller_spec.rb
@@ -68,7 +68,7 @@ RSpec.describe ListController do
 
       get "/latest.json", params: { topic_ids: "#{p.topic_id}" }
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["topic_list"]["topics"].length).to eq(1)
     end
 
@@ -90,11 +90,11 @@ RSpec.describe ListController do
       TopTopic.refresh!
 
       get "/categories_and_top.json"
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["topic_list"]["topics"].length).to eq(1)
 
       get "/categories_and_latest.json"
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["topic_list"]["topics"].length).to eq(2)
     end
   end
@@ -169,7 +169,7 @@ RSpec.describe ListController do
 
         expect(response.status).to eq(200)
 
-        expect(JSON.parse(response.body)["topic_list"]["topics"].first["id"])
+        expect(response.parsed_body["topic_list"]["topics"].first["id"])
           .to eq(topic.id)
       end
     end
@@ -184,7 +184,7 @@ RSpec.describe ListController do
         get "/topics/private-messages-group/#{user.username}/#{UrlHelper.encode_component(unicode_group.name)}.json"
         expect(response.status).to eq(200)
 
-        expect(JSON.parse(response.body)["topic_list"]["topics"].first["id"])
+        expect(response.parsed_body["topic_list"]["topics"].first["id"])
           .to eq(topic.id)
       end
     end
@@ -217,7 +217,7 @@ RSpec.describe ListController do
           get "/topics/groups/#{group.name}.json"
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)["topic_list"]).to be_present
+          expect(response.parsed_body["topic_list"]).to be_present
         end
       end
 
@@ -286,7 +286,7 @@ RSpec.describe ListController do
 
         expect(response.status).to eq(200)
 
-        topics = JSON.parse(response.body)["topic_list"]["topics"]
+        topics = response.parsed_body["topic_list"]["topics"]
 
         expect(topics.map { |topic| topic["id"] }).to contain_exactly(
           topic.id, topic2.id
@@ -384,7 +384,7 @@ RSpec.describe ListController do
         it 'uses the correct category' do
           get "/c/#{other_category.slug}/l/latest.json"
           expect(response.status).to eq(200)
-          body = JSON.parse(response.body)
+          body = response.parsed_body
           expect(body["topic_list"]["topics"].first["category_id"])
             .to eq(other_category.id)
         end
@@ -429,7 +429,7 @@ RSpec.describe ListController do
           category.update!(default_view: 'top', default_top_period: 'monthly')
           get "/c/#{category.slug}.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["topic_list"]["for_period"]).to eq("monthly")
         end
 
@@ -437,7 +437,7 @@ RSpec.describe ListController do
           category.update!(default_view: nil)
           get "/c/#{category.slug}.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["topic_list"]["for_period"]).to be_blank
         end
 
@@ -445,7 +445,7 @@ RSpec.describe ListController do
           category.update!(default_view: '')
           get "/c/#{category.slug}.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["topic_list"]["for_period"]).to be_blank
         end
 
@@ -453,7 +453,7 @@ RSpec.describe ListController do
           category.update!(default_view: 'latest')
           get "/c/#{category.slug}.json"
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json["topic_list"]["for_period"]).to be_blank
         end
       end
@@ -502,7 +502,7 @@ RSpec.describe ListController do
     it "should respond with a list" do
       get "/topics/created-by/#{user.username}.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["topic_list"]["topics"].size).to eq(2)
     end
 
@@ -510,7 +510,7 @@ RSpec.describe ListController do
       user.update!(username: "myname.test")
       get "/topics/created-by/#{user.username}", xhr: true
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["topic_list"]["topics"].size).to eq(2)
     end
   end
@@ -528,7 +528,7 @@ RSpec.describe ListController do
       sign_in(user)
       get "/topics/private-messages/#{user.username}.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["topic_list"]["topics"].size).to eq(1)
     end
   end
@@ -549,7 +549,7 @@ RSpec.describe ListController do
       sign_in(user)
       get "/topics/private-messages-sent/#{user.username}.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["topic_list"]["topics"].size).to eq(1)
     end
   end
@@ -572,7 +572,7 @@ RSpec.describe ListController do
       sign_in(user)
       get "/topics/private-messages-unread/#{user.username}.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["topic_list"]["topics"].size).to eq(1)
     end
   end
diff --git a/spec/requests/metadata_controller_spec.rb b/spec/requests/metadata_controller_spec.rb
index 4e00f5a1c6b..e008236da1f 100644
--- a/spec/requests/metadata_controller_spec.rb
+++ b/spec/requests/metadata_controller_spec.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+# rubocop:disable Discourse/NoJsonParseResponse
 
 require 'rails_helper'
 
diff --git a/spec/requests/notifications_controller_spec.rb b/spec/requests/notifications_controller_spec.rb
index 4db535fa18f..bb3c9022a34 100644
--- a/spec/requests/notifications_controller_spec.rb
+++ b/spec/requests/notifications_controller_spec.rb
@@ -125,14 +125,14 @@ describe NotificationsController do
       describe '#create' do
         it "can create notification" do
           create_notification(admin.id, 200, :to_not)
-          expect(::JSON.parse(response.body)["id"]).to_not eq(nil)
+          expect(response.parsed_body["id"]).to_not eq(nil)
         end
       end
 
       describe '#update' do
         it "can update notification" do
           update_notification(8, 200, :to)
-          expect(::JSON.parse(response.body)["topic_id"]).to eq(8)
+          expect(response.parsed_body["topic_id"]).to eq(8)
         end
       end
 
diff --git a/spec/requests/omniauth_callbacks_controller_spec.rb b/spec/requests/omniauth_callbacks_controller_spec.rb
index e604a89aba4..78a82e51f5e 100644
--- a/spec/requests/omniauth_callbacks_controller_spec.rb
+++ b/spec/requests/omniauth_callbacks_controller_spec.rb
@@ -141,7 +141,7 @@ RSpec.describe Users::OmniauthCallbacksController do
           expect(response.location).to include("/auth/failure?message=csrf_detected")
 
           get "/session/csrf.json"
-          token = JSON.parse(response.body)["csrf"]
+          token = response.parsed_body["csrf"]
 
           post "/auth/google_oauth2", params: { authenticity_token: token }
           expect(response.status).to eq(302)
diff --git a/spec/requests/post_actions_controller_spec.rb b/spec/requests/post_actions_controller_spec.rb
index e8ed8a5b7d3..f2b8d60dd8d 100644
--- a/spec/requests/post_actions_controller_spec.rb
+++ b/spec/requests/post_actions_controller_spec.rb
@@ -108,7 +108,7 @@ RSpec.describe PostActionsController do
 
       expect(response.status).to eq(422)
 
-      expect(JSON.parse(response.body)["errors"].first).to eq(I18n.t(
+      expect(response.parsed_body["errors"].first).to eq(I18n.t(
         :not_accepting_pms, username: user2.username
       ))
     end
diff --git a/spec/requests/post_readers_controller_spec.rb b/spec/requests/post_readers_controller_spec.rb
index 0c56966bc35..4916f54cac7 100644
--- a/spec/requests/post_readers_controller_spec.rb
+++ b/spec/requests/post_readers_controller_spec.rb
@@ -25,7 +25,7 @@ describe PostReadersController do
       it 'returns an empty list when nobody has read the topic' do
         get '/post_readers.json', params: { id: @post.id }
 
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
@@ -34,7 +34,7 @@ describe PostReadersController do
         TopicUser.create!(user: reader, topic: @group_message, last_read_post_number: 3)
 
         get '/post_readers.json', params: { id: @post.id }
-        reader_data = JSON.parse(response.body)['post_readers'].first
+        reader_data = response.parsed_body['post_readers'].first
 
         assert_reader_is_correctly_serialized(reader_data, reader, @post)
       end
@@ -43,7 +43,7 @@ describe PostReadersController do
         TopicUser.create!(user: reader, topic: @group_message, last_read_post_number: 4)
 
         get '/post_readers.json', params: { id: @post.id }
-        reader_data = JSON.parse(response.body)['post_readers'].first
+        reader_data = response.parsed_body['post_readers'].first
 
         assert_reader_is_correctly_serialized(reader_data, reader, @post)
       end
@@ -52,7 +52,7 @@ describe PostReadersController do
         TopicUser.create!(user: reader, topic: @group_message, last_read_post_number: 1)
 
         get '/post_readers.json', params: { id: @post.id }
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
@@ -62,7 +62,7 @@ describe PostReadersController do
         TopicUser.create!(user: reader, topic: @group_message, last_read_post_number: nil)
 
         get '/post_readers.json', params: { id: @post.id }
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
@@ -72,7 +72,7 @@ describe PostReadersController do
         reader.update(staged: true)
 
         get '/post_readers.json', params: { id: @post.id }
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
@@ -83,7 +83,7 @@ describe PostReadersController do
         TopicUser.create!(user: non_staff_user, topic: @group_message, last_read_post_number: 4)
 
         get '/post_readers.json', params: { id: @post.id }
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
@@ -94,7 +94,7 @@ describe PostReadersController do
         TopicUser.create!(user: admin, topic: @group_message, last_read_post_number: 4)
 
         get '/post_readers.json', params: { id: @post.id }
-        reader_data = JSON.parse(response.body)['post_readers'].first
+        reader_data = response.parsed_body['post_readers'].first
 
         assert_reader_is_correctly_serialized(reader_data, admin, @post)
       end
@@ -103,7 +103,7 @@ describe PostReadersController do
         TopicUser.create!(user: Discourse.system_user, topic: @group_message, last_read_post_number: 4)
 
         get '/post_readers.json', params: { id: @post.id }
-        readers = JSON.parse(response.body)['post_readers']
+        readers = response.parsed_body['post_readers']
 
         expect(readers).to be_empty
       end
diff --git a/spec/requests/posts_controller_spec.rb b/spec/requests/posts_controller_spec.rb
index af25d9c0006..909db8c509b 100644
--- a/spec/requests/posts_controller_spec.rb
+++ b/spec/requests/posts_controller_spec.rb
@@ -81,7 +81,7 @@ describe PostsController do
       new_post = create_post
 
       get "/posts/#{new_post.id}.json"
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
 
       expect(parsed["topic_slug"]).to eq(new_post.topic.slug)
       expect(parsed["moderator"]).to eq(false)
@@ -107,7 +107,7 @@ describe PostsController do
       _third_post = Fabricate(:post, topic: first_post.topic, created_at: 3.days.ago)
 
       get "/posts/by-date/#{second_post.topic_id}/#{(second_post.created_at - 2.days).strftime("%Y-%m-%d")}.json"
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(response.status).to eq(200)
       expect(json["id"]).to eq(second_post.id)
@@ -115,7 +115,7 @@ describe PostsController do
 
     it 'returns no post if date is > at last created post' do
       get "/posts/by-date/#{post.topic_id}/2245-11-11.json"
-      _json = JSON.parse(response.body)
+      _json = response.parsed_body
       expect(response.status).to eq(404)
     end
   end
@@ -135,7 +135,7 @@ describe PostsController do
       get "/posts/#{child.id}/reply-history.json"
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json[0]['id']).to eq(parent.id)
       expect(json[0]['user_custom_fields']['hello']).to eq('world')
       expect(json[0]['user_custom_fields']['hidden']).to be_blank
@@ -158,7 +158,7 @@ describe PostsController do
       get "/posts/#{parent.id}/replies.json"
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json[0]['id']).to eq(child.id)
       expect(json[0]['user_custom_fields']['hello']).to eq('world')
       expect(json[0]['user_custom_fields']['hidden']).to be_blank
@@ -324,7 +324,7 @@ describe PostsController do
         put "/posts/#{post.id}.json", params: update_params
 
         expect(response.status).to eq(422)
-        expect(JSON.parse(response.body)['errors']).to include(I18n.t('too_late_to_edit'))
+        expect(response.parsed_body['errors']).to include(I18n.t('too_late_to_edit'))
       end
 
       it 'does not allow TL2 to update when edit time limit expired' do
@@ -338,7 +338,7 @@ describe PostsController do
         put "/posts/#{post.id}.json", params: update_params
 
         expect(response.status).to eq(422)
-        expect(JSON.parse(response.body)['errors']).to include(I18n.t('too_late_to_edit'))
+        expect(response.parsed_body['errors']).to include(I18n.t('too_late_to_edit'))
       end
 
       it 'passes the image sizes through' do
@@ -477,7 +477,7 @@ describe PostsController do
       end
       it "marks topic_bookmaked as true" do
         delete "/posts/#{post.id}/bookmark.json"
-        expect(JSON.parse(response.body)['topic_bookmarked']).to eq(true)
+        expect(response.parsed_body['topic_bookmarked']).to eq(true)
       end
     end
   end
@@ -671,7 +671,7 @@ describe PostsController do
 
         expect(response.status).to eq(400)
 
-        expect(JSON.parse(response.body)["errors"]).to include(
+        expect(response.parsed_body["errors"]).to include(
           I18n.t("invalid_params", message: "category")
         )
       end
@@ -698,7 +698,7 @@ describe PostsController do
           }
 
           expect(response.status).to eq(200)
-          parsed = ::JSON.parse(response.body)
+          parsed = response.parsed_body
 
           expect(parsed["action"]).to eq("enqueued")
 
@@ -737,7 +737,7 @@ describe PostsController do
           }
 
           expect(response.status).to eq(200)
-          parsed = ::JSON.parse(response.body)
+          parsed = response.parsed_body
 
           expect(parsed["action"]).not_to be_present
 
@@ -756,7 +756,7 @@ describe PostsController do
           }
 
           expect(response).not_to be_successful
-          parsed = ::JSON.parse(response.body)
+          parsed = response.parsed_body
           expect(parsed["action"]).not_to eq("enqueued")
         end
 
@@ -769,7 +769,7 @@ describe PostsController do
           }
 
           expect(response).not_to be_successful
-          parsed = ::JSON.parse(response.body)
+          parsed = response.parsed_body
           expect(parsed["action"]).not_to eq("enqueued")
         end
       end
@@ -783,7 +783,7 @@ describe PostsController do
         }
 
         expect(response.status).to eq(200)
-        parsed = ::JSON.parse(response.body)
+        parsed = response.parsed_body
 
         expect(parsed["action"]).to eq("enqueued")
         reviewable = ReviewableQueuedPost.find_by(created_by: user)
@@ -820,7 +820,7 @@ describe PostsController do
 
         expect(response.status).to eq(200)
 
-        parsed = ::JSON.parse(response.body)
+        parsed = response.parsed_body
         post = Post.find(parsed['id'])
 
         expect(post.topic.topic_allowed_users.length).to eq(1)
@@ -835,7 +835,7 @@ describe PostsController do
         }
 
         expect(response.status).to eq(200)
-        parsed = ::JSON.parse(response.body)
+        parsed = response.parsed_body
         expect(parsed['post']).to be_present
         expect(parsed['post']['cooked']).to be_present
       end
@@ -884,7 +884,7 @@ describe PostsController do
         }
 
         expect(response.status).to eq(422)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['errors']).to be_present
       end
 
@@ -983,7 +983,7 @@ describe PostsController do
           }
 
           expect(response.status).to eq(422)
-          expect(JSON.parse(response.body)["errors"]).to include(
+          expect(response.parsed_body["errors"]).to include(
             I18n.t("activerecord.errors.models.topic.attributes.base.no_user_selected")
           )
         end
@@ -1004,7 +1004,7 @@ describe PostsController do
           }
 
           expect(response.status).to eq(422)
-          expect(JSON.parse(response.body)["errors"]).to include(
+          expect(response.parsed_body["errors"]).to include(
             I18n.t("create_pm_on_existing_topic")
           )
         end
@@ -1027,7 +1027,7 @@ describe PostsController do
             meta_data: { xyz: 'abc' }
           }
 
-          expect(JSON.parse(response.body)["errors"]).to include(I18n.t(:spamming_host))
+          expect(response.parsed_body["errors"]).to include(I18n.t(:spamming_host))
         end
 
         context "allow_uncategorized_topics is false" do
@@ -1102,7 +1102,7 @@ describe PostsController do
               shared_draft: 'true'
             }
             expect(response.status).to eq(200)
-            result = JSON.parse(response.body)
+            result = response.parsed_body
             topic = Topic.find(result['topic_id'])
             expect(topic.category_id).to eq(shared_category.id)
             expect(topic.shared_draft.category_id).to eq(destination_category.id)
@@ -1394,13 +1394,13 @@ describe PostsController do
       it "fails when revision is blank" do
         put "/posts/#{post_id}/revisions/#{blank_post_revision.number}/revert.json"
         expect(response.status).to eq(422)
-        expect(JSON.parse(response.body)['errors']).to include(I18n.t('revert_version_same'))
+        expect(response.parsed_body['errors']).to include(I18n.t('revert_version_same'))
       end
 
       it "fails when revised version is same as current version" do
         put "/posts/#{post_id}/revisions/#{same_post_revision.number}/revert.json"
         expect(response.status).to eq(422)
-        expect(JSON.parse(response.body)['errors']).to include(I18n.t('revert_version_same'))
+        expect(response.parsed_body['errors']).to include(I18n.t('revert_version_same'))
       end
 
       it "works!" do
@@ -1435,7 +1435,7 @@ describe PostsController do
       TopicEmbed.expects(:expanded_for).with(post).returns("full content")
       get "/posts/#{post.id}/expand-embed.json"
       expect(response.status).to eq(200)
-      expect(::JSON.parse(response.body)['cooked']).to eq("full content")
+      expect(response.parsed_body['cooked']).to eq("full content")
     end
   end
 
@@ -1472,7 +1472,7 @@ describe PostsController do
         get "/posts/#{user.username}/flagged.json"
         expect(response.status).to eq(200)
 
-        expect(JSON.parse(response.body).length).to eq(2)
+        expect(response.parsed_body.length).to eq(2)
       end
     end
   end
@@ -1507,7 +1507,7 @@ describe PostsController do
         get "/posts/#{user.username}/deleted.json"
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
         expect(data.length).to eq(0)
       end
 
@@ -1521,7 +1521,7 @@ describe PostsController do
         get "/posts/#{user.username}/deleted.json"
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
         expect(data.length).to eq(0)
       end
 
@@ -1537,7 +1537,7 @@ describe PostsController do
         get "/posts/#{user.username}/deleted.json"
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
         expect(data.length).to eq(1)
         expect(data[0]["id"]).to eq(post_deleted_by_admin.id)
         expect(data[0]["deleted_by"]["id"]).to eq(admin.id)
@@ -1650,7 +1650,7 @@ describe PostsController do
         get "/private-posts.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         post_ids = json['private_posts'].map { |p| p['id'] }
 
         expect(post_ids).to include private_post.id
@@ -1683,7 +1683,7 @@ describe PostsController do
         get "/posts.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         post_ids = json['latest_posts'].map { |p| p['id'] }
 
         expect(post_ids).to include public_post.id
@@ -1699,7 +1699,7 @@ describe PostsController do
       get "/posts/#{post.id}/cooked.json"
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json).to be_present
       expect(json['cooked']).to eq('WAt')
@@ -1725,7 +1725,7 @@ describe PostsController do
         get "/posts/#{post.id}/raw-email.json"
         expect(response.status).to eq(200)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['raw_email']).to eq('email_content')
       end
     end
diff --git a/spec/requests/reviewables_controller_spec.rb b/spec/requests/reviewables_controller_spec.rb
index b89af08df5c..88064fa8eb1 100644
--- a/spec/requests/reviewables_controller_spec.rb
+++ b/spec/requests/reviewables_controller_spec.rb
@@ -48,7 +48,7 @@ describe ReviewablesController do
       it "returns empty JSON when nothing to review" do
         get "/review.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to eq([])
       end
 
@@ -57,7 +57,7 @@ describe ReviewablesController do
 
         get "/review.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
 
         json_review = json['reviewables'][0]
@@ -79,14 +79,14 @@ describe ReviewablesController do
       it "supports filtering by score" do
         get "/review.json?min_score=1000"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_blank
       end
 
       it "supports offsets" do
         get "/review.json?offset=100"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_blank
       end
 
@@ -94,7 +94,7 @@ describe ReviewablesController do
         Fabricate(:reviewable)
         get "/review.json?type=ReviewableUser"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
       end
 
@@ -108,23 +108,23 @@ describe ReviewablesController do
 
         get "/review.json?type=ReviewableUser&status=pending"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_blank
 
         Fabricate(:reviewable, status: Reviewable.statuses[:approved])
         get "/review.json?type=ReviewableUser&status=approved"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
 
         get "/review.json?type=ReviewableUser&status=reviewed"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
 
         get "/review.json?type=ReviewableUser&status=all"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
       end
 
@@ -138,18 +138,18 @@ describe ReviewablesController do
         r = Fabricate(:reviewable)
         get "/review.json?category_id=#{other_category.id}"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_blank
 
         get "/review.json?category_id=#{r.category_id}"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
 
         # By default all categories are returned
         get "/review.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewables']).to be_present
       end
 
@@ -162,7 +162,7 @@ describe ReviewablesController do
 
         get "/review.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         json_review = json['reviewables'][0]
         expect(json_review['id']).to eq(reviewable.id)
@@ -173,7 +173,7 @@ describe ReviewablesController do
         let(:from) { 3.days.ago.strftime('%F') }
         let(:to) { 1.day.ago.strftime('%F') }
 
-        let(:reviewables) { ::JSON.parse(response.body)['reviewables'] }
+        let(:reviewables) { response.parsed_body['reviewables'] }
 
         it 'returns an empty array when no reviewable matches the date range' do
           reviewable = Fabricate(:reviewable)
@@ -231,7 +231,7 @@ describe ReviewablesController do
           get "/review/#{reviewable.id}.json"
           expect(response.code).to eq("200")
 
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['reviewable']['id']).to eq(reviewable.id)
         end
 
@@ -264,7 +264,7 @@ describe ReviewablesController do
         it "returns the conversation" do
           get "/review/#{reviewable.id}.json"
           expect(response.code).to eq("200")
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
 
           score = json['reviewable_scores'][0]
           conversation_id = score['reviewable_conversation_id']
@@ -298,7 +298,7 @@ describe ReviewablesController do
           get "/review/#{reviewable.id}/explain.json"
           expect(response.code).to eq("200")
 
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['reviewable_explanation']['id']).to eq(reviewable.id)
           expect(json['reviewable_explanation']['total_score']).to eq(reviewable.score)
         end
@@ -337,7 +337,7 @@ describe ReviewablesController do
         version = qp.version
         put "/review/#{qp.id}/perform/approve_post.json?version=#{version}"
         expect(response.code).to eq("422")
-        result = ::JSON.parse(response.body)
+        result = response.parsed_body
         expect(result['errors']).to be_present
         expect(qp.reload.version).to eq(version)
       end
@@ -345,7 +345,7 @@ describe ReviewablesController do
       it "requires a version parameter" do
         put "/review/#{reviewable.id}/perform/approve_user.json"
         expect(response.code).to eq("422")
-        result = ::JSON.parse(response.body)
+        result = response.parsed_body
         expect(result['errors']).to be_present
       end
 
@@ -354,7 +354,7 @@ describe ReviewablesController do
 
         put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version}"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewable_perform_result']['success']).to eq(true)
         expect(json['reviewable_perform_result']['version']).to eq(1)
         expect(json['reviewable_perform_result']['transition_to']).to eq('approved')
@@ -394,7 +394,7 @@ describe ReviewablesController do
         it "fails when the version is wrong" do
           put "/review/#{reviewable.id}/perform/approve_user.json?version=#{reviewable.version + 1}"
           expect(response.code).to eq("409")
-          json = ::JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['errors']).to be_present
         end
       end
@@ -410,7 +410,7 @@ describe ReviewablesController do
       it "returns empty json for no reviewables" do
         get "/review/topics.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewable_topics']).to be_blank
       end
 
@@ -422,7 +422,7 @@ describe ReviewablesController do
 
         get "/review/topics.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         json_topic = json['reviewable_topics'].find { |rt| rt['id'] == post0.topic_id }
         expect(json_topic['claimed_by_id']).to eq(moderator.id)
 
@@ -439,7 +439,7 @@ describe ReviewablesController do
         get "/review/topics.json"
         expect(response.code).to eq("200")
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewable_topics']).to be_present
 
         json_topic = json['reviewable_topics'].find { |rt| rt['id'] == post0.topic_id }
@@ -456,7 +456,7 @@ describe ReviewablesController do
       it "renders the settings as JSON" do
         get "/review/settings.json"
         expect(response.code).to eq("200")
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['reviewable_settings']).to be_present
         expect(json['reviewable_score_types']).to be_present
       end
@@ -552,7 +552,7 @@ describe ReviewablesController do
         )
         expect(history).to be_present
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['payload']['raw']).to eq('new raw content')
         expect(json['version'] > 0).to eq(true)
       end
@@ -580,7 +580,7 @@ describe ReviewablesController do
         expect(reviewable_topic.payload['tags']).to eq(['t2', 't3', 't1'])
         expect(reviewable_topic.category_id).to eq(new_category_id)
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['payload']['raw']).to eq('new topic op')
         expect(json['payload']['title']).to eq('new topic title')
         expect(json['payload']['extra']).to be_blank
diff --git a/spec/requests/robots_txt_controller_spec.rb b/spec/requests/robots_txt_controller_spec.rb
index e58f35172dd..c15297ff11d 100644
--- a/spec/requests/robots_txt_controller_spec.rb
+++ b/spec/requests/robots_txt_controller_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe RobotsTxtController do
   describe '#builder' do
     it "returns json information for building a robots.txt" do
       get "/robots-builder.json"
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['header']).to be_present
       expect(json['agents']).to be_present
@@ -17,7 +17,7 @@ RSpec.describe RobotsTxtController do
 
       get "/robots-builder.json"
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['header']).to be_present
       expect(json['agents']).to be_present
       expect(json['overridden']).to eq("something")
diff --git a/spec/requests/search_controller_spec.rb b/spec/requests/search_controller_spec.rb
index d1d8fff3536..947bd8754a9 100644
--- a/spec/requests/search_controller_spec.rb
+++ b/spec/requests/search_controller_spec.rb
@@ -68,7 +68,7 @@ describe SearchController do
 
         expect(response.status).to eq(200)
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
 
         expect(data["posts"]).to be_empty
         expect(data["grouped_search_result"]["error"]).not_to be_empty
@@ -93,7 +93,7 @@ describe SearchController do
 
       expect(response.status).to eq(200)
 
-      data = JSON.parse(response.body)
+      data = response.parsed_body
 
       expect(data['posts'].length).to eq(1)
       expect(data['posts'][0]['id']).to eq(awesome_post.id)
@@ -108,7 +108,7 @@ describe SearchController do
       }
 
       expect(response.status).to eq(200)
-      data = JSON.parse(response.body)
+      data = response.parsed_body
 
       expect(data['posts'][0]['id']).to eq(user_post.id)
       expect(data['users']).to be_blank
@@ -118,7 +118,7 @@ describe SearchController do
       }
 
       expect(response.status).to eq(200)
-      data = JSON.parse(response.body)
+      data = response.parsed_body
 
       expect(data['posts']).to be_blank
       expect(data['users'][0]['id']).to eq(user.id)
@@ -135,7 +135,7 @@ describe SearchController do
         }
 
         expect(response.status).to eq(200)
-        data = JSON.parse(response.body)
+        data = response.parsed_body
 
         expect(data['topics'][0]['id']).to eq(awesome_post.topic_id)
       end
@@ -149,7 +149,7 @@ describe SearchController do
         }
 
         expect(response.status).to eq(200)
-        data = JSON.parse(response.body)
+        data = response.parsed_body
 
         expect(data['topics'][0]['id']).to eq(user_post.topic_id)
       end
@@ -164,7 +164,7 @@ describe SearchController do
       expect(response.status).to eq(200)
       expect(SearchLog.where(term: 'wookie')).to be_present
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       search_log_id = json['grouped_search_result']['search_log_id']
       expect(search_log_id).to be_present
 
@@ -257,7 +257,7 @@ describe SearchController do
     it "sort posts with search priority when search term is empty" do
       get "/search.json", params: { q: 'status:open' }
       expect(response.status).to eq(200)
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       post1 = data["posts"].find { |e| e["id"] == old_very_hight_priority_post.id }
       post2 = data["posts"].find { |e| e["id"] == low_priority_post.id }
       expect(data["posts"][0]["id"]).to eq(old_very_hight_priority_post.id)
@@ -267,7 +267,7 @@ describe SearchController do
     it "sort posts with search priority when no order query" do
       get "/search.json", params: { q: 'status:open Priority Post' }
       expect(response.status).to eq(200)
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["posts"][0]["id"]).to eq(old_very_hight_priority_post.id)
       expect(data["posts"][1]["id"]).to eq(hight_priority_post.id)
       expect(data["posts"][2]["id"]).to eq(low_priority_post.id)
@@ -276,7 +276,7 @@ describe SearchController do
     it "doesn't sort posts with search piority when query with order" do
       get "/search.json", params: { q: 'status:open order:latest Priority Post' }
       expect(response.status).to eq(200)
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data["posts"][0]["id"]).to eq(hight_priority_post.id)
       expect(data["posts"][1]["id"]).to eq(low_priority_post.id)
       expect(data["posts"][2]["id"]).to eq(old_very_hight_priority_post.id)
diff --git a/spec/requests/session_controller_spec.rb b/spec/requests/session_controller_spec.rb
index 70f88f8e2a1..51b023df684 100644
--- a/spec/requests/session_controller_spec.rb
+++ b/spec/requests/session_controller_spec.rb
@@ -60,8 +60,8 @@ RSpec.describe SessionController do
       it 'returns information' do
         get "/session/email-login/#{email_token.token}.json"
 
-        expect(JSON.parse(response.body)["can_login"]).to eq(true)
-        expect(JSON.parse(response.body)["second_factor_required"]).to eq(nil)
+        expect(response.parsed_body["can_login"]).to eq(true)
+        expect(response.parsed_body["second_factor_required"]).to eq(nil)
 
         # Does not log in the user
         expect(session[:current_user_id]).to be_nil
@@ -90,7 +90,7 @@ RSpec.describe SessionController do
         it "includes that information in the response" do
           get "/session/email-login/#{email_token.token}.json"
 
-          response_body_parsed = JSON.parse(response.body)
+          response_body_parsed = response.parsed_body
           expect(response_body_parsed["can_login"]).to eq(true)
           expect(response_body_parsed["second_factor_required"]).to eq(true)
           expect(response_body_parsed["backup_codes_enabled"]).to eq(true)
@@ -103,7 +103,7 @@ RSpec.describe SessionController do
         it "includes that information in the response" do
           get "/session/email-login/#{email_token.token}.json"
 
-          response_body_parsed = JSON.parse(response.body)
+          response_body_parsed = response.parsed_body
           expect(response_body_parsed["can_login"]).to eq(true)
           expect(response_body_parsed["security_key_required"]).to eq(true)
           expect(response_body_parsed["second_factor_required"]).to eq(nil)
@@ -148,7 +148,7 @@ RSpec.describe SessionController do
         post "/session/email-login/adasdad.json"
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["error"]).to eq(
+        expect(response.parsed_body["error"]).to eq(
           I18n.t('email_login.invalid_token')
         )
       end
@@ -161,7 +161,7 @@ RSpec.describe SessionController do
 
           expect(response.status).to eq(200)
 
-          expect(JSON.parse(response.body)["error"]).to eq(
+          expect(response.parsed_body["error"]).to eq(
             I18n.t('email_login.invalid_token')
           )
         end
@@ -172,7 +172,7 @@ RSpec.describe SessionController do
       it 'returns success' do
         post "/session/email-login/#{email_token.token}.json"
 
-        expect(JSON.parse(response.body)["success"]).to eq("OK")
+        expect(response.parsed_body["success"]).to eq("OK")
         expect(session[:current_user_id]).to eq(user.id)
       end
 
@@ -201,7 +201,7 @@ RSpec.describe SessionController do
 
         expect(response.status).to eq(200)
 
-        expect(JSON.parse(response.body)["error"]).to eq(I18n.t("login.not_approved"))
+        expect(response.parsed_body["error"]).to eq(I18n.t("login.not_approved"))
         expect(session[:current_user_id]).to eq(nil)
       end
 
@@ -221,7 +221,7 @@ RSpec.describe SessionController do
 
           expect(response.status).to eq(200)
 
-          expect(JSON.parse(response.body)["error"]).to eq(
+          expect(response.parsed_body["error"]).to eq(
             I18n.t("login.admin_not_allowed_from_ip_address", username: user.username)
           )
           expect(session[:current_user_id]).to eq(nil)
@@ -245,7 +245,7 @@ RSpec.describe SessionController do
 
           expect(response.status).to eq(200)
 
-          expect(JSON.parse(response.body)["error"]).to eq(
+          expect(response.parsed_body["error"]).to eq(
             I18n.t("login.not_allowed_from_ip_address", username: user.username)
           )
           expect(session[:current_user_id]).to eq(nil)
@@ -270,7 +270,7 @@ RSpec.describe SessionController do
 
         expect(response.status).to eq(200)
 
-        expect(JSON.parse(response.body)["error"]).to eq(
+        expect(response.parsed_body["error"]).to eq(
           I18n.t("login.suspended", date: I18n.l(user.suspended_till, format: :date_only)
         ))
         expect(session[:current_user_id]).to eq(nil)
@@ -290,7 +290,7 @@ RSpec.describe SessionController do
 
               expect(response.status).to eq(200)
 
-              expect(JSON.parse(response.body)["error"]).to eq(
+              expect(response.parsed_body["error"]).to eq(
                 I18n.t("login.invalid_second_factor_code")
               )
               expect(session[:current_user_id]).to eq(nil)
@@ -304,7 +304,7 @@ RSpec.describe SessionController do
               }
 
               expect(response.status).to eq(200)
-              expect(JSON.parse(response.body)["error"]).to eq(
+              expect(response.parsed_body["error"]).to eq(
                 I18n.t("login.invalid_second_factor_code")
               )
               expect(session[:current_user_id]).to eq(nil)
@@ -320,7 +320,7 @@ RSpec.describe SessionController do
                 second_factor_method: UserSecondFactor.methods[:totp]
               }
 
-              expect(JSON.parse(response.body)["success"]).to eq("OK")
+              expect(response.parsed_body["success"]).to eq("OK")
               expect(session[:current_user_id]).to eq(user.id)
             end
           end
@@ -331,7 +331,7 @@ RSpec.describe SessionController do
                 second_factor_method: UserSecondFactor.methods[:backup_codes]
               }
 
-              expect(JSON.parse(response.body)["success"]).to eq("OK")
+              expect(response.parsed_body["success"]).to eq("OK")
               expect(session[:current_user_id]).to eq(user.id)
             end
           end
@@ -346,7 +346,7 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
 
-            expect(JSON.parse(response.body)["error"]).to eq(
+            expect(response.parsed_body["error"]).to eq(
               I18n.t("login.invalid_second_factor_code")
             )
             expect(session[:current_user_id]).to eq(nil)
@@ -381,7 +381,7 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
             expect(session[:current_user_id]).to eq(nil)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body['error']).to eq(I18n.t(
               'login.not_enabled_second_factor_method'
             ))
@@ -402,7 +402,7 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
             expect(session[:current_user_id]).to eq(nil)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body["failed"]).to eq("FAILED")
             expect(response_body['error']).to eq(I18n.t(
               'webauthn.validation.not_found_error'
@@ -447,7 +447,7 @@ RSpec.describe SessionController do
 
           expect(response.status).to eq(200)
           expect(session[:current_user_id]).to eq(nil)
-          response_body = JSON.parse(response.body)
+          response_body = response.parsed_body
           expect(response_body['error']).to eq(I18n.t(
             'login.invalid_second_factor_code'
           ))
@@ -461,7 +461,7 @@ RSpec.describe SessionController do
 
           expect(response.status).to eq(200)
           expect(session[:current_user_id]).to eq(nil)
-          response_body = JSON.parse(response.body)
+          response_body = response.parsed_body
           expect(response_body['error']).to eq(I18n.t(
             'login.invalid_second_factor_code'
           ))
@@ -491,7 +491,7 @@ RSpec.describe SessionController do
       get "/session/#{user.username}/become.json"
 
       expect(response.status).to eq(403)
-      expect(JSON.parse(response.body)["error_type"]).to eq("invalid_access")
+      expect(response.parsed_body["error_type"]).to eq("invalid_access")
       expect(session[:current_user_id]).to be_blank
     end
 
@@ -1226,7 +1226,7 @@ RSpec.describe SessionController do
           }
 
           expect(response.status).to eq(200)
-          expect(::JSON.parse(response.body)['error']).to eq(
+          expect(response.parsed_body['error']).to eq(
             I18n.t("login.incorrect_username_email_or_password")
           )
         end
@@ -1240,7 +1240,7 @@ RSpec.describe SessionController do
           }
 
           expect(response.status).to eq(200)
-          expect(::JSON.parse(response.body)['error']).to eq(
+          expect(response.parsed_body['error']).to eq(
             I18n.t("login.incorrect_username_email_or_password")
           )
         end
@@ -1258,7 +1258,7 @@ RSpec.describe SessionController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['error']).to eq(I18n.t('login.suspended_with_reason',
+          expect(response.parsed_body['error']).to eq(I18n.t('login.suspended_with_reason',
             date: I18n.l(user.suspended_till, format: :date_only),
             reason: Rack::Utils.escape_html(user.suspend_reason)
           ))
@@ -1275,7 +1275,7 @@ RSpec.describe SessionController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['error']).to eq(I18n.t('login.not_activated'))
+          expect(response.parsed_body['error']).to eq(I18n.t('login.not_activated'))
         end
       end
 
@@ -1342,7 +1342,7 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
             expect(session[:current_user_id]).to eq(nil)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body["failed"]).to eq("FAILED")
             expect(response_body['error']).to eq(I18n.t(
               'login.invalid_security_key'
@@ -1366,7 +1366,7 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
             expect(session[:current_user_id]).to eq(nil)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body["failed"]).to eq("FAILED")
             expect(response_body['error']).to eq(I18n.t(
               'webauthn.validation.not_found_error'
@@ -1407,9 +1407,9 @@ RSpec.describe SessionController do
 
             expect(response.status).to eq(200)
             expect(session[:current_user_id]).to eq(nil)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body["failed"]).to eq("FAILED")
-            expect(JSON.parse(response.body)['error']).to eq(I18n.t(
+            expect(response.parsed_body['error']).to eq(I18n.t(
               'login.not_enabled_second_factor_method'
             ))
           end
@@ -1428,7 +1428,7 @@ RSpec.describe SessionController do
             }
 
             expect(response.status).to eq(200)
-            expect(JSON.parse(response.body)['error']).to eq(I18n.t(
+            expect(response.parsed_body['error']).to eq(I18n.t(
               'login.invalid_second_factor_method'
             ))
           end
@@ -1445,7 +1445,7 @@ RSpec.describe SessionController do
               }
 
               expect(response.status).to eq(200)
-              expect(JSON.parse(response.body)['error']).to eq(I18n.t(
+              expect(response.parsed_body['error']).to eq(I18n.t(
                 'login.invalid_second_factor_code'
               ))
             end
@@ -1460,7 +1460,7 @@ RSpec.describe SessionController do
               }
 
               expect(response.status).to eq(200)
-              expect(JSON.parse(response.body)['error']).to eq(I18n.t(
+              expect(response.parsed_body['error']).to eq(I18n.t(
                 'login.invalid_second_factor_code'
               ))
             end
@@ -1553,7 +1553,7 @@ RSpec.describe SessionController do
             login: username, password: 'myawesomepassword'
           }
           expect(response.status).to eq(200)
-          expect(::JSON.parse(response.body)['error']).not_to be_present
+          expect(response.parsed_body['error']).not_to be_present
         end
 
         it "strips spaces from the email" do
@@ -1561,7 +1561,7 @@ RSpec.describe SessionController do
             login: email, password: 'myawesomepassword'
           }
           expect(response.status).to eq(200)
-          expect(::JSON.parse(response.body)['error']).not_to be_present
+          expect(response.parsed_body['error']).not_to be_present
         end
       end
 
@@ -1585,7 +1585,7 @@ RSpec.describe SessionController do
 
           it "shows the 'not approved' error message" do
             expect(response.status).to eq(200)
-            expect(JSON.parse(response.body)['error']).to eq(
+            expect(response.parsed_body['error']).to eq(
               I18n.t('login.not_approved')
             )
           end
@@ -1635,7 +1635,7 @@ RSpec.describe SessionController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['error']).to be_present
+          expect(response.parsed_body['error']).to be_present
           expect(session[:current_user_id]).not_to eq(user.id)
         end
 
@@ -1670,7 +1670,7 @@ RSpec.describe SessionController do
       it "shows the 'not activated' error message" do
         post_login
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['error']).to eq(
+        expect(response.parsed_body['error']).to eq(
           I18n.t 'login.not_activated'
         )
       end
@@ -1681,7 +1681,7 @@ RSpec.describe SessionController do
         it "shows the 'not approved' error message" do
           post_login
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['error']).to eq(
+          expect(response.parsed_body['error']).to eq(
             I18n.t 'login.not_approved'
           )
         end
@@ -1707,7 +1707,7 @@ RSpec.describe SessionController do
         }
 
         expect(response.status).to eq(429)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["error_type"]).to eq("rate_limit")
       end
 
@@ -1732,7 +1732,7 @@ RSpec.describe SessionController do
         }
 
         expect(response.status).to eq(429)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["error_type"]).to eq("rate_limit")
       end
     end
@@ -1936,7 +1936,7 @@ RSpec.describe SessionController do
       it "returns the JSON for the user" do
         get "/session/current.json"
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['current_user']).to be_present
         expect(json['current_user']['id']).to eq(user.id)
       end
diff --git a/spec/requests/similar_topics_controller_spec.rb b/spec/requests/similar_topics_controller_spec.rb
index e2ce12bdfcf..cef7f5e205e 100644
--- a/spec/requests/similar_topics_controller_spec.rb
+++ b/spec/requests/similar_topics_controller_spec.rb
@@ -33,7 +33,7 @@ describe SimilarTopicsController do
 
       get "/topics/similar_to.json", params: { title: title, raw: raw }
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["similar_topics"].size).to eq(0)
     end
 
@@ -51,7 +51,7 @@ describe SimilarTopicsController do
           get "/topics/similar_to.json", params: { title: title, raw: raw }
 
           expect(response.status).to eq(200)
-          similar_topics = ::JSON.parse(response.body)["similar_topics"]
+          similar_topics = response.parsed_body["similar_topics"]
           expect(similar_topics.size).to eq(1)
           expect(similar_topics.first["topic_id"]).to eq(topic.id)
         end
@@ -69,7 +69,7 @@ describe SimilarTopicsController do
             get "/topics/similar_to.json", params: { title: title, raw: raw }
 
             expect(response.status).to eq(200)
-            similar_topics = ::JSON.parse(response.body)["similar_topics"].map { |topic| topic["topic_id"] }
+            similar_topics = response.parsed_body["similar_topics"].map { |topic| topic["topic_id"] }
             expect(similar_topics.size).to eq(2)
             expect(similar_topics).to include(topic.id)
             expect(similar_topics).to include(private_topic.id)
@@ -85,7 +85,7 @@ describe SimilarTopicsController do
         get "/topics/similar_to.json", params: { title: title, raw: raw }
 
         expect(response.status).to eq(200)
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["similar_topics"].size).to eq(0)
       end
     end
diff --git a/spec/requests/site_controller_spec.rb b/spec/requests/site_controller_spec.rb
index 01dd9960493..670a0998a3b 100644
--- a/spec/requests/site_controller_spec.rb
+++ b/spec/requests/site_controller_spec.rb
@@ -17,7 +17,7 @@ describe SiteController do
       Theme.clear_default!
 
       get "/site/basic-info.json"
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expected_url = UrlHelper.absolute(upload.url)
 
@@ -38,7 +38,7 @@ describe SiteController do
       SiteSetting.share_anonymized_statistics = true
 
       get "/site/statistics.json"
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(response.status).to eq(200)
       expect(json["topic_count"]).to be_present
@@ -74,7 +74,7 @@ describe SiteController do
       SiteSetting.selectable_avatars_enabled = false
 
       get "/site/selectable-avatars.json"
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(response.status).to eq(200)
       expect(json).to eq([])
@@ -84,7 +84,7 @@ describe SiteController do
       SiteSetting.selectable_avatars_enabled = true
 
       get "/site/selectable-avatars.json"
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(response.status).to eq(200)
       expect(json).to contain_exactly("https://www.discourse.org", "https://meta.discourse.org")
diff --git a/spec/requests/static_controller_spec.rb b/spec/requests/static_controller_spec.rb
index dff4e029597..8444b20ed44 100644
--- a/spec/requests/static_controller_spec.rb
+++ b/spec/requests/static_controller_spec.rb
@@ -316,7 +316,7 @@ describe StaticController do
       it "redirects to the root" do
         post "/login.json", params: { redirect: ["/foo"] }
         expect(response.status).to eq(400)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["errors"]).to be_present
         expect(json["errors"]).to include(
           I18n.t("invalid_params", message: "redirect")
diff --git a/spec/requests/svg_sprite_controller_spec.rb b/spec/requests/svg_sprite_controller_spec.rb
index ca61ee3027d..cdfdab766a6 100644
--- a/spec/requests/svg_sprite_controller_spec.rb
+++ b/spec/requests/svg_sprite_controller_spec.rb
@@ -76,7 +76,7 @@ describe SvgSpriteController do
 
       expect(response.status).to eq(200)
 
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data.length).to eq(200)
       expect(data[0]["id"]).to eq("ad")
     end
@@ -88,7 +88,7 @@ describe SvgSpriteController do
 
       expect(response.status).to eq(200)
 
-      data = JSON.parse(response.body)
+      data = response.parsed_body
       expect(data.length).to eq(1)
       expect(data[0]["id"]).to eq("fab-500px")
     end
diff --git a/spec/requests/tag_groups_controller_spec.rb b/spec/requests/tag_groups_controller_spec.rb
index 05f4aba2b38..140f2950296 100644
--- a/spec/requests/tag_groups_controller_spec.rb
+++ b/spec/requests/tag_groups_controller_spec.rb
@@ -34,7 +34,7 @@ RSpec.describe TagGroupsController do
 
         expect(response.status).to eq(200)
 
-        tag_groups = JSON.parse(response.body)["tag_groups"]
+        tag_groups = response.parsed_body["tag_groups"]
 
         expect(tag_groups.count).to eq(1)
         expect(tag_groups.first["id"]).to eq(tag_group.id)
diff --git a/spec/requests/tags_controller_spec.rb b/spec/requests/tags_controller_spec.rb
index 85281946911..b4c0b866ea0 100644
--- a/spec/requests/tags_controller_spec.rb
+++ b/spec/requests/tags_controller_spec.rb
@@ -3,17 +3,10 @@
 require 'rails_helper'
 
 describe TagsController do
-  define_method(:get_json_body) do
-    ::JSON.parse(response.body)
-  end
-
-  let(:json) { get_json_body }
-
   fab!(:user) { Fabricate(:user) }
   fab!(:admin) { Fabricate(:admin) }
   fab!(:regular_user) { Fabricate(:trust_level_4) }
   fab!(:moderator) { Fabricate(:moderator) }
-
   fab!(:category)  { Fabricate(:category) }
   fab!(:subcategory) { Fabricate(:category, parent_category_id: category.id) }
 
@@ -33,7 +26,7 @@ describe TagsController do
 
         expect(response.status).to eq(200)
 
-        tags = json["tags"]
+        tags = response.parsed_body["tags"]
         expect(tags.length).to eq(1)
         expect(tags[0]['text']).to eq("topic-test")
       end
@@ -48,9 +41,9 @@ describe TagsController do
         get "/tags.json"
         expect(response.status).to eq(200)
 
-        tags = json["tags"]
+        tags = response.parsed_body["tags"]
         expect(tags.length).to eq(0)
-        group = json.dig('extras', 'tag_groups')&.first
+        group = response.parsed_body.dig('extras', 'tag_groups')&.first
         expect(group).to be_present
         expect(group['tags'].length).to eq(2)
         expect(group['tags'].map { |t| t['id'] }).to contain_exactly(test_tag.name, topic_tag.name)
@@ -71,7 +64,7 @@ describe TagsController do
 
         expect(response.status).to eq(200)
 
-        tags = json["tags"]
+        tags = response.parsed_body["tags"]
         expect(tags.length).to eq(2)
       end
 
@@ -135,7 +128,7 @@ describe TagsController do
       it "should produce the topic inside the category and not the topic outside of it" do
         get "/tags/c/#{category.slug}/#{tag.name}.json"
 
-        topic_ids = json['topic_list']['topics'].map { |x| x['id'] }
+        topic_ids = response.parsed_body['topic_list']['topics'].map { |x| x['id'] }
         expect(topic_ids).to include(topic_in_category.id)
         expect(topic_ids).to_not include(topic_out_of_category.id)
         expect(topic_ids).to_not include(topic_in_category_without_tag.id)
@@ -168,7 +161,7 @@ describe TagsController do
       it "should produce the topic inside the subcategory and not the topic outside of it" do
         get "/tags/c/#{category.slug}/#{subcategory.slug}/#{tag.name}.json"
 
-        topic_ids = json['topic_list']['topics'].map { |x| x['id'] }
+        topic_ids = response.parsed_body['topic_list']['topics'].map { |x| x['id'] }
         expect(topic_ids).to include(topic_in_subcategory.id)
         expect(topic_ids).to_not include(topic_out_of_subcategory.id)
         expect(topic_ids).to_not include(topic_in_subcategory_without_tag.id)
@@ -188,26 +181,26 @@ describe TagsController do
     it "can handle tag with no synonyms" do
       get "/tag/#{tag.name}/info.json"
       expect(response.status).to eq(200)
-      expect(json.dig('tag_info', 'name')).to eq(tag.name)
-      expect(json.dig('tag_info', 'synonyms')).to be_empty
-      expect(json.dig('tag_info', 'category_ids')).to be_empty
-      expect(json.dig('tag_info', 'category_restricted')).to eq(false)
+      expect(response.parsed_body.dig('tag_info', 'name')).to eq(tag.name)
+      expect(response.parsed_body.dig('tag_info', 'synonyms')).to be_empty
+      expect(response.parsed_body.dig('tag_info', 'category_ids')).to be_empty
+      expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(false)
     end
 
     it "can handle a synonym" do
       get "/tag/#{synonym.name}/info.json"
       expect(response.status).to eq(200)
-      expect(json.dig('tag_info', 'name')).to eq(synonym.name)
-      expect(json.dig('tag_info', 'synonyms')).to be_empty
-      expect(json.dig('tag_info', 'category_ids')).to be_empty
-      expect(json.dig('tag_info', 'category_restricted')).to eq(false)
+      expect(response.parsed_body.dig('tag_info', 'name')).to eq(synonym.name)
+      expect(response.parsed_body.dig('tag_info', 'synonyms')).to be_empty
+      expect(response.parsed_body.dig('tag_info', 'category_ids')).to be_empty
+      expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(false)
     end
 
     it "can return a tag's synonyms" do
       synonym
       get "/tag/#{tag.name}/info.json"
       expect(response.status).to eq(200)
-      expect(json.dig('tag_info', 'synonyms').map { |t| t['text'] }).to eq([synonym.name])
+      expect(response.parsed_body.dig('tag_info', 'synonyms').map { |t| t['text'] }).to eq([synonym.name])
     end
 
     it "returns 404 if tag is staff-only" do
@@ -230,9 +223,9 @@ describe TagsController do
       category2.update!(tag_groups: [tag_group])
       staff_category = Fabricate(:private_category, group: Fabricate(:group), tags: [tag])
       get "/tag/#{tag.name}/info.json"
-      expect(json.dig('tag_info', 'category_ids')).to contain_exactly(category.id, category2.id)
-      expect(json['categories']).to be_present
-      expect(json.dig('tag_info', 'category_restricted')).to eq(true)
+      expect(response.parsed_body.dig('tag_info', 'category_ids')).to contain_exactly(category.id, category2.id)
+      expect(response.parsed_body['categories']).to be_present
+      expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(true)
     end
 
     context 'tag belongs to a tag group' do
@@ -241,13 +234,13 @@ describe TagsController do
       it "returns tag groups if tag groups are visible" do
         SiteSetting.tags_listed_by_group = true
         get "/tag/#{tag.name}/info.json"
-        expect(json.dig('tag_info', 'tag_group_names')).to eq([tag_group.name])
+        expect(response.parsed_body.dig('tag_info', 'tag_group_names')).to eq([tag_group.name])
       end
 
       it "doesn't return tag groups if tag groups aren't visible" do
         SiteSetting.tags_listed_by_group = false
         get "/tag/#{tag.name}/info.json"
-        expect(json['tag_info'].has_key?('tag_group_names')).to eq(false)
+        expect(response.parsed_body['tag_info'].has_key?('tag_group_names')).to eq(false)
       end
 
       context "restricted to a private category" do
@@ -262,24 +255,24 @@ describe TagsController do
         it "can return categories to users who can access them" do
           sign_in(admin)
           get "/tag/#{tag.name}/info.json"
-          expect(json.dig('tag_info', 'category_ids')).to contain_exactly(private_category.id)
-          expect(json['categories']).to be_present
-          expect(json.dig('tag_info', 'category_restricted')).to eq(true)
+          expect(response.parsed_body.dig('tag_info', 'category_ids')).to contain_exactly(private_category.id)
+          expect(response.parsed_body['categories']).to be_present
+          expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(true)
         end
 
         it "can indicate category restriction to users who can't access them" do
           sign_in(user)
           get "/tag/#{tag.name}/info.json"
-          expect(json.dig('tag_info', 'category_ids')).to be_empty
-          expect(json['categories']).to be_blank
-          expect(json.dig('tag_info', 'category_restricted')).to eq(true)
+          expect(response.parsed_body.dig('tag_info', 'category_ids')).to be_empty
+          expect(response.parsed_body['categories']).to be_blank
+          expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(true)
         end
 
         it "can indicate category restriction to anon" do
           get "/tag/#{tag.name}/info.json"
-          expect(json.dig('tag_info', 'category_ids')).to be_empty
-          expect(json['categories']).to be_blank
-          expect(json.dig('tag_info', 'category_restricted')).to eq(true)
+          expect(response.parsed_body.dig('tag_info', 'category_ids')).to be_empty
+          expect(response.parsed_body['categories']).to be_blank
+          expect(response.parsed_body.dig('tag_info', 'category_restricted')).to eq(true)
         end
       end
     end
@@ -293,7 +286,7 @@ describe TagsController do
 
       expect(response.status).to eq(200)
 
-      response_tag = json["valid"].first
+      response_tag = response.parsed_body["valid"].first
       expect(response_tag["value"]).to eq(tag.name)
     end
   end
@@ -359,7 +352,7 @@ describe TagsController do
 
         expect(response.status).to eq(200)
 
-        tag = json['tags']
+        tag = response.parsed_body['tags']
         expect(tag[0]["id"]).to eq('test')
       end
     end
@@ -374,7 +367,7 @@ describe TagsController do
 
         expect(response.status).to eq(200)
 
-        tag = json['tags']
+        tag = response.parsed_body['tags']
         expect(tag[0]["id"]).to eq('test')
       end
 
@@ -383,7 +376,7 @@ describe TagsController do
 
         expect(response.status).to eq(200)
 
-        tag = json['tags']
+        tag = response.parsed_body['tags']
         expect(tag[0]["id"]).to eq('test')
       end
     end
@@ -408,7 +401,7 @@ describe TagsController do
 
     context 'tagging enabled' do
       def parse_topic_ids
-        get_json_body["topic_list"]["topics"]
+        response.parsed_body["topic_list"]["topics"]
           .map { |topic| topic["id"] }
       end
 
@@ -552,7 +545,7 @@ describe TagsController do
         tag_names.each { |name| Fabricate(:tag, name: name) }
         get "/tags/filter/search.json", params: { q: 'stu' }
         expect(response.status).to eq(200)
-        expect(json["results"].map { |j| j["id"] }.sort).to eq(['stuff', 'stumped'])
+        expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq(['stuff', 'stumped'])
       end
 
       it "returns tags ordered by topic_count, and prioritises exact matches" do
@@ -562,7 +555,7 @@ describe TagsController do
 
         get '/tags/filter/search.json', params: { q: 'tag', limit: 2 }
         expect(response.status).to eq(200)
-        expect(json['results'].map { |j| j['id'] }).to eq(['tag', 'tag2'])
+        expect(response.parsed_body['results'].map { |j| j['id'] }).to eq(['tag', 'tag2'])
       end
 
       context 'with category restriction' do
@@ -573,17 +566,17 @@ describe TagsController do
           nope = Fabricate(:tag, name: 'nope')
           get "/tags/filter/search.json", params: { q: nope.name, categoryId: category.id }
           expect(response.status).to eq(200)
-          expect(json["results"].map { |j| j["id"] }.sort).to eq([])
-          expect(json["forbidden"]).to be_present
-          expect(json["forbidden_message"]).to eq(I18n.t("tags.forbidden.in_this_category", tag_name: nope.name))
+          expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq([])
+          expect(response.parsed_body["forbidden"]).to be_present
+          expect(response.parsed_body["forbidden_message"]).to eq(I18n.t("tags.forbidden.in_this_category", tag_name: nope.name))
         end
 
         it "can say if given tag is restricted to different category" do
           category
           get "/tags/filter/search.json", params: { q: yup.name, categoryId: Fabricate(:category).id }
-          expect(json["results"].map { |j| j["id"] }.sort).to eq([])
-          expect(json["forbidden"]).to be_present
-          expect(json["forbidden_message"]).to eq(I18n.t(
+          expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq([])
+          expect(response.parsed_body["forbidden"]).to be_present
+          expect(response.parsed_body["forbidden_message"]).to eq(I18n.t(
             "tags.forbidden.restricted_to",
             count: 1,
             tag_name: yup.name,
@@ -595,7 +588,7 @@ describe TagsController do
           nope = Fabricate(:tag, name: 'nope')
           get "/tags/filter/search.json", params: { categoryId: category.id }
           expect(response.status).to eq(200)
-          expect(json["results"].map { |j| j["id"] }.sort).to eq([yup.name])
+          expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq([yup.name])
         end
       end
 
@@ -606,21 +599,21 @@ describe TagsController do
         it "can return synonyms" do
           get "/tags/filter/search.json", params: { q: 'plant' }
           expect(response.status).to eq(200)
-          expect(json['results'].map { |j| j['id'] }).to contain_exactly('plant', 'plants')
+          expect(response.parsed_body['results'].map { |j| j['id'] }).to contain_exactly('plant', 'plants')
         end
 
         it "can omit synonyms" do
           get "/tags/filter/search.json", params: { q: 'plant', excludeSynonyms: 'true' }
           expect(response.status).to eq(200)
-          expect(json['results'].map { |j| j['id'] }).to contain_exactly('plant')
+          expect(response.parsed_body['results'].map { |j| j['id'] }).to contain_exactly('plant')
         end
 
         it "can return a message about synonyms not being allowed" do
           get "/tags/filter/search.json", params: { q: 'plants', excludeSynonyms: 'true' }
           expect(response.status).to eq(200)
-          expect(json["results"].map { |j| j["id"] }.sort).to eq([])
-          expect(json["forbidden"]).to be_present
-          expect(json["forbidden_message"]).to eq(I18n.t("tags.forbidden.synonym", tag_name: tag.name))
+          expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq([])
+          expect(response.parsed_body["forbidden"]).to be_present
+          expect(response.parsed_body["forbidden_message"]).to eq(I18n.t("tags.forbidden.synonym", tag_name: tag.name))
         end
       end
 
@@ -628,7 +621,7 @@ describe TagsController do
         yup, nope = Fabricate(:tag, name: 'yup'), Fabricate(:tag, name: 'nope')
         get "/tags/filter/search.json", params: { q: 'N/ope' }
         expect(response.status).to eq(200)
-        expect(json["results"].map { |j| j["id"] }.sort).to eq(["nope"])
+        expect(response.parsed_body["results"].map { |j| j["id"] }.sort).to eq(["nope"])
       end
 
       it "can return tags that are in secured categories but are allowed to be used" do
@@ -636,7 +629,7 @@ describe TagsController do
         Fabricate(:topic, category: c, tags: [Fabricate(:tag, name: "cooltag")])
         get "/tags/filter/search.json", params: { q: "cool" }
         expect(response.status).to eq(200)
-        expect(json["results"].map { |j| j["id"] }).to eq(['cooltag'])
+        expect(response.parsed_body["results"].map { |j| j["id"] }).to eq(['cooltag'])
       end
 
       it "supports Chinese and Russian" do
@@ -645,13 +638,11 @@ describe TagsController do
 
         get "/tags/filter/search.json", params: { q: '房' }
         expect(response.status).to eq(200)
-        json = get_json_body
-        expect(json["results"].map { |j| j["id"] }).to eq(['房地产'])
+        expect(response.parsed_body["results"].map { |j| j["id"] }).to eq(['房地产'])
 
         get "/tags/filter/search.json", params: { q: 'тема' }
         expect(response.status).to eq(200)
-        json = get_json_body
-        expect(json["results"].map { |j| j["id"] }).to eq(['тема-в-разработке'])
+        expect(response.parsed_body["results"].map { |j| j["id"] }).to eq(['тема-в-разработке'])
       end
 
       it "can return all the results" do
@@ -659,10 +650,10 @@ describe TagsController do
         tag_group2 = Fabricate(:tag_group, tag_names: ['common1', 'common2'])
         category = Fabricate(:category, tag_groups: [tag_group1])
         get "/tags/filter/search.json", params: { q: '', limit: 5, categoryId: category.id, filterForInput: 'true' }
+
         expect(response.status).to eq(200)
-        json = get_json_body
         expect_same_tag_names(
-          json["results"].map { |j| j["id"] },
+          response.parsed_body["results"].map { |j| j["id"] },
           ['common1', 'common2', 'group1tag', 'group1tag2']
         )
       end
@@ -688,7 +679,7 @@ describe TagsController do
         it 'returns a tag not found message' do
           delete "/tag/doesntexists.json"
           expect(response).not_to be_successful
-          expect(json['error_type']).to eq('not_found')
+          expect(response.parsed_body['error_type']).to eq('not_found')
         end
       end
     end
@@ -720,7 +711,7 @@ describe TagsController do
         it 'returns the correct unused tags' do
           get "/tags/unused.json"
           expect(response.status).to eq(200)
-          expect(json["tags"]).to contain_exactly("unused1", "unused2")
+          expect(response.parsed_body["tags"]).to contain_exactly("unused1", "unused2")
         end
 
         it 'deletes the correct tags' do
@@ -817,9 +808,8 @@ describe TagsController do
         tag3 = Fabricate(:tag)
         post "/tag/#{tag3.name}/synonyms.json", params: { synonyms: [tag.name] }
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
-        expect(json['failed']).to be_present
-        expect(json.dig('failed_tags', tag.name)).to be_present
+        expect(response.parsed_body['failed']).to be_present
+        expect(response.parsed_body.dig('failed_tags', tag.name)).to be_present
       end
     end
   end
diff --git a/spec/requests/topics_controller_spec.rb b/spec/requests/topics_controller_spec.rb
index ebb2b90f04b..9f9b32ce2e3 100644
--- a/spec/requests/topics_controller_spec.rb
+++ b/spec/requests/topics_controller_spec.rb
@@ -21,7 +21,7 @@ RSpec.describe TopicsController do
       get "/t/#{topic.id}/wordpress.json", params: { best: 3 }
 
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
 
       # The JSON has the data the wordpress plugin needs
       expect(json['id']).to eq(topic.id)
@@ -92,7 +92,7 @@ RSpec.describe TopicsController do
         }
         expect(response.status).to eq(422)
 
-        result = ::JSON.parse(response.body)
+        result = response.parsed_body
 
         expect(result['errors']).to be_present
       end
@@ -112,7 +112,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
 
           expect(result['success']).to eq(true)
           expect(result['url']).to eq(Topic.last.relative_url)
@@ -135,7 +135,7 @@ RSpec.describe TopicsController do
 
             expect(response.status).to eq(200)
 
-            result = JSON.parse(response.body)
+            result = response.parsed_body
 
             expect(result['success']).to eq(true)
             expect(result['url']).to eq(Topic.last.relative_url)
@@ -150,7 +150,7 @@ RSpec.describe TopicsController do
             post_ids: [p2.id]
           }
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(false)
           expect(result['url']).to be_blank
         end
@@ -174,7 +174,7 @@ RSpec.describe TopicsController do
             p1.reload
             p2.reload
 
-            new_topic_id = JSON.parse(response.body)["url"].split("/").last.to_i
+            new_topic_id = response.parsed_body["url"].split("/").last.to_i
             new_topic = Topic.find(new_topic_id)
             expect(p1.topic.id).to eq(new_topic.id)
             expect(p2.topic.id).to eq(new_topic.id)
@@ -200,7 +200,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -238,7 +238,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(false)
           expect(result['url']).to be_blank
         end
@@ -264,7 +264,7 @@ RSpec.describe TopicsController do
         }
 
         expect(response.status).to eq(403)
-        result = ::JSON.parse(response.body)
+        result = response.parsed_body
         expect(result['errors']).to be_present
       end
 
@@ -285,7 +285,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
 
           expect(result['success']).to eq(true)
           expect(result['url']).to eq(Topic.last.relative_url)
@@ -308,7 +308,7 @@ RSpec.describe TopicsController do
 
             expect(response.status).to eq(200)
 
-            result = JSON.parse(response.body)
+            result = response.parsed_body
 
             expect(result['success']).to eq(true)
             expect(result['url']).to eq(Topic.last.relative_url)
@@ -324,7 +324,7 @@ RSpec.describe TopicsController do
             archetype: 'private_message'
           }
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(false)
           expect(result['url']).to be_blank
         end
@@ -353,7 +353,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -367,7 +367,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(false)
           expect(result['url']).to be_blank
         end
@@ -409,7 +409,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -453,7 +453,7 @@ RSpec.describe TopicsController do
           }
 
           expect(response.status).to eq(200)
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -697,7 +697,7 @@ RSpec.describe TopicsController do
         expect(topic.reload.closed).to eq(false)
         expect(topic.topic_timers).to eq([])
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['topic_status_update']).to eq(nil)
       end
@@ -887,7 +887,7 @@ RSpec.describe TopicsController do
     it "returns JSON for the slug" do
       get "/t/id_for/#{topic.slug}.json"
       expect(response.status).to eq(200)
-      json = ::JSON.parse(response.body)
+      json = response.parsed_body
       expect(json['topic_id']).to eq(topic.id)
       expect(json['url']).to eq(topic.url)
       expect(json['slug']).to eq(topic.slug)
@@ -953,7 +953,7 @@ RSpec.describe TopicsController do
           put "/t/#{topic.slug}/#{topic.id}.json"
 
           expect(response.status).to eq(200)
-          expect(::JSON.parse(response.body)['basic_topic']).to be_present
+          expect(response.parsed_body['basic_topic']).to be_present
         end
 
         it "throws an error if it could not be saved" do
@@ -1164,7 +1164,7 @@ RSpec.describe TopicsController do
 
             put "/t/#{topic.slug}/#{topic.id}.json", params: { category_id: restricted_category.id }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
 
             expect(response.status).to eq(422)
             expect(result['errors']).to be_present
@@ -1177,7 +1177,7 @@ RSpec.describe TopicsController do
 
             put "/t/#{topic.slug}/#{topic.id}.json", params: { category_id: restricted_category.id }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
 
             expect(response.status).to eq(422)
             expect(result['errors']).to be_present
@@ -1215,7 +1215,7 @@ RSpec.describe TopicsController do
               category_id: category.id
             }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
             expect(response.status).to eq(422)
             expect(result['errors']).to be_present
             expect(result['errors'][0]).to include(tag2.name)
@@ -1229,7 +1229,7 @@ RSpec.describe TopicsController do
               category_id: category.id
             }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
             expect(response.status).to eq(200)
             expect(topic.reload.tags).to include(tag1)
           end
@@ -1242,7 +1242,7 @@ RSpec.describe TopicsController do
               category_id: category.id
             }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
             expect(response.status).to eq(200)
             expect(topic.reload.tags).to contain_exactly(tag3)
           end
@@ -1255,7 +1255,7 @@ RSpec.describe TopicsController do
               category_id: category.id
             }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
             expect(response.status).to eq(422)
             expect(result['errors']).to be_present
             expect(result['errors'][0]).not_to include(tag3.name)
@@ -1269,7 +1269,7 @@ RSpec.describe TopicsController do
               category_id: restricted_category.id
             }
 
-            result = ::JSON.parse(response.body)
+            result = response.parsed_body
             expect(response.status).to eq(200)
           end
         end
@@ -1763,7 +1763,7 @@ RSpec.describe TopicsController do
 
     context 'filters' do
       def extract_post_stream
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         json["post_stream"]["posts"].map { |post| post["id"] }
       end
 
@@ -2070,7 +2070,7 @@ RSpec.describe TopicsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body["post_ids"]).to eq([post2.id, post3.id])
     end
@@ -2089,7 +2089,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["post_ids"]).to eq([post2.id])
         end
@@ -2107,7 +2107,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["post_ids"]).to eq([post2.id])
         end
@@ -2131,14 +2131,14 @@ RSpec.describe TopicsController do
 
       expect(response.status).to eq(200)
 
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body["post_stream"]["posts"].first["id"]).to eq(post.id)
 
       expect(body["suggested_topics"]).to eq(nil)
 
       get "/t/#{topic.id}/posts.json?include_suggested=true"
-      body = JSON.parse(response.body)
+      body = response.parsed_body
 
       expect(body["suggested_topics"]).not_to eq(nil)
     end
@@ -2159,7 +2159,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["post_stream"]["posts"].first["id"]).to eq(post2.id)
         end
@@ -2180,7 +2180,7 @@ RSpec.describe TopicsController do
 
           expect(response.status).to eq(200)
 
-          body = JSON.parse(response.body)
+          body = response.parsed_body
 
           expect(body["post_stream"]["posts"].first["id"]).to eq(post2.id)
         end
@@ -2484,7 +2484,7 @@ RSpec.describe TopicsController do
       get "/topics/feature_stats.json", params: { category_id: 1 }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["pinned_in_category_count"]).to eq(0)
       expect(json["pinned_globally_count"]).to eq(0)
       expect(json["banner_count"]).to eq(0)
@@ -2494,7 +2494,7 @@ RSpec.describe TopicsController do
       Fabricate(:topic, category_id: 1, archetype: Archetype.banner, visible: false)
 
       get "/topics/feature_stats.json", params: { category_id: 1 }
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["banner_count"]).to eq(1)
     end
   end
@@ -2510,7 +2510,7 @@ RSpec.describe TopicsController do
         post_ids: [first_post.id, second_post.id, random_post.id]
       }
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       json.sort! { |a, b| a["post_id"] <=> b["post_id"] }
 
       # no random post
@@ -2550,7 +2550,7 @@ RSpec.describe TopicsController do
           expect(topic.archetype).to eq(Archetype.private_message)
           expect(response.status).to eq(200)
 
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -2579,7 +2579,7 @@ RSpec.describe TopicsController do
           expect(topic.category_id).to eq(category.id)
           expect(response.status).to eq(200)
 
-          result = ::JSON.parse(response.body)
+          result = response.parsed_body
           expect(result['success']).to eq(true)
           expect(result['url']).to be_present
         end
@@ -2630,7 +2630,7 @@ RSpec.describe TopicsController do
         }
 
         expect(response.status).to eq(403)
-        expect(JSON.parse(response.body)["error_type"]).to eq('invalid_access')
+        expect(response.parsed_body["error_type"]).to eq('invalid_access')
       end
     end
 
@@ -2653,7 +2653,7 @@ RSpec.describe TopicsController do
         expect(topic_status_update.topic).to eq(topic)
         expect(topic_status_update.execute_at).to eq_time(24.hours.from_now)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(DateTime.parse(json['execute_at']))
           .to eq_time(DateTime.parse(topic_status_update.execute_at.to_s))
@@ -2673,7 +2673,7 @@ RSpec.describe TopicsController do
         expect(response.status).to eq(200)
         expect(topic.reload.public_topic_timer).to eq(nil)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(json['execute_at']).to eq(nil)
         expect(json['duration']).to eq(nil)
@@ -2694,7 +2694,7 @@ RSpec.describe TopicsController do
         expect(topic_status_update.execute_at).to eq_time(5.days.from_now)
         expect(topic_status_update.duration).to eq(5)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(DateTime.parse(json['execute_at']))
           .to eq_time(DateTime.parse(topic_status_update.execute_at.to_s))
@@ -2719,7 +2719,7 @@ RSpec.describe TopicsController do
           expect(topic_status_update.status_type)
             .to eq(TopicTimer.types[:publish_to_category])
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
 
           expect(json['category_id']).to eq(topic.category_id)
         end
@@ -2812,7 +2812,7 @@ RSpec.describe TopicsController do
 
             expect(response.status).to eq(422)
 
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
 
             expect(response_body["errors"]).to eq([
               I18n.t("topic_invite.failed_to_invite",
@@ -2853,7 +2853,7 @@ RSpec.describe TopicsController do
             user: user2.username
           }
           expect(response.status).to eq(422)
-          expect(JSON.parse(response.body)["errors"]).to contain_exactly(
+          expect(response.parsed_body["errors"]).to contain_exactly(
             I18n.t("pm_reached_recipients_limit", recipients_limit: SiteSetting.max_allowed_message_recipients)
           )
         end
@@ -2975,7 +2975,7 @@ RSpec.describe TopicsController do
           group: group.name
         }
         expect(response.status).to eq(422)
-        expect(JSON.parse(response.body)["errors"]).to contain_exactly(
+        expect(response.parsed_body["errors"]).to contain_exactly(
           I18n.t("pm_reached_recipients_limit", recipients_limit: SiteSetting.max_allowed_message_recipients)
         )
       end
@@ -3060,7 +3060,7 @@ RSpec.describe TopicsController do
         it "will publish the topic" do
           put "/t/#{topic.id}/publish.json", params: { destination_category_id: category.id }
           expect(response.status).to eq(200)
-          json = ::JSON.parse(response.body)['basic_topic']
+          json = response.parsed_body['basic_topic']
 
           result = Topic.find(json['id'])
           expect(result.category_id).to eq(category.id)
diff --git a/spec/requests/uploads_controller_spec.rb b/spec/requests/uploads_controller_spec.rb
index 13298866c06..d773ec1adc3 100644
--- a/spec/requests/uploads_controller_spec.rb
+++ b/spec/requests/uploads_controller_spec.rb
@@ -36,7 +36,7 @@ describe UploadsController do
       it 'is successful with an image' do
         post "/uploads.json", params: { file: logo, type: "avatar" }
         expect(response.status).to eq 200
-        expect(JSON.parse(response.body)["id"]).to be_present
+        expect(response.parsed_body["id"]).to be_present
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(1)
       end
 
@@ -47,7 +47,7 @@ describe UploadsController do
         expect(response.status).to eq 200
 
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(0)
-        id = JSON.parse(response.body)["id"]
+        id = response.parsed_body["id"]
         expect(id).to be
       end
 
@@ -65,7 +65,7 @@ describe UploadsController do
           HTTP_API_USERNAME: user.username.downcase
         }
 
-        json = ::JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(response.status).to eq(200)
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(1)
@@ -82,7 +82,7 @@ describe UploadsController do
           type: "profile_background",
         }
 
-        id = JSON.parse(response.body)["id"]
+        id = response.parsed_body["id"]
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(0)
         expect(Upload.find(id).retain_hours).to eq(100)
       end
@@ -91,7 +91,7 @@ describe UploadsController do
         post "/uploads.json", params: { type: "composer" }
 
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(0)
-        message = JSON.parse(response.body)
+        message = response.parsed_body
         expect(response.status).to eq 422
         expect(message["errors"]).to contain_exactly(I18n.t("upload.file_missing"))
       end
@@ -104,7 +104,7 @@ describe UploadsController do
 
         expect(response.status).to eq(422)
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(0)
-        errors = JSON.parse(response.body)["errors"]
+        errors = response.parsed_body["errors"]
         expect(errors.first).to eq(I18n.t("upload.attachments.too_large", max_size_kb: 1))
       end
 
@@ -140,7 +140,7 @@ describe UploadsController do
         }
 
         expect(response.status).to eq(200)
-        id = JSON.parse(response.body)["id"]
+        id = response.parsed_body["id"]
         expect(Upload.last.id).to eq(id)
       end
 
@@ -155,7 +155,7 @@ describe UploadsController do
         }
 
         expect(response.status).to eq(200)
-        id = JSON.parse(response.body)["id"]
+        id = response.parsed_body["id"]
 
         upload = Upload.last
 
@@ -174,7 +174,7 @@ describe UploadsController do
         }
 
         expect(response.status).to eq(200)
-        data = JSON.parse(response.body)
+        data = response.parsed_body
         expect(data["id"]).to be_present
       end
 
@@ -187,7 +187,7 @@ describe UploadsController do
           type: "composer",
         }
 
-        data = JSON.parse(response.body)
+        data = response.parsed_body
         expect(data["errors"].first).to eq(I18n.t("upload.unauthorized", authorized_extensions: ''))
       end
 
@@ -196,7 +196,7 @@ describe UploadsController do
 
         expect(response.status).to eq(422)
         expect(Jobs::CreateAvatarThumbnails.jobs.size).to eq(0)
-        message = JSON.parse(response.body)["errors"]
+        message = response.parsed_body["errors"]
         expect(message).to contain_exactly(I18n.t("upload.images.size_not_found"))
       end
     end
@@ -214,7 +214,7 @@ describe UploadsController do
 
     expect(response.status).to eq(200)
 
-    url = JSON.parse(response.body)["url"]
+    url = response.parsed_body["url"]
     upload = Upload.get_from_url(url)
     upload
   end
@@ -465,7 +465,7 @@ describe UploadsController do
         post "/uploads/lookup-urls.json", params: { short_urls: [upload.short_url] }
         expect(response.status).to eq(200)
 
-        result = JSON.parse(response.body)
+        result = response.parsed_body
         expect(result[0]["url"]).to match("secure-media-uploads")
       end
 
@@ -600,7 +600,7 @@ describe UploadsController do
       post "/uploads/lookup-urls.json", params: { short_urls: [upload.short_url] }
       expect(response.status).to eq(200)
 
-      result = JSON.parse(response.body)
+      result = response.parsed_body
       expect(result[0]["url"]).to eq(upload.url)
       expect(result[0]["short_path"]).to eq(upload.short_path)
     end
@@ -623,7 +623,7 @@ describe UploadsController do
         post "/uploads/lookup-urls.json", params: { short_urls: [upload.short_url] }
         expect(response.status).to eq(200)
 
-        result = JSON.parse(response.body)
+        result = response.parsed_body
         expect(result[0]["url"]).to match("/secure-media-uploads")
         expect(result[0]["short_path"]).to eq(upload.short_path)
       end
@@ -635,7 +635,7 @@ describe UploadsController do
         post "/uploads/lookup-urls.json", params: { short_urls: [upload.short_url] }
         expect(response.status).to eq(200)
 
-        result = JSON.parse(response.body)
+        result = response.parsed_body
         expect(result[0]["url"]).to match("/secure-media-uploads")
         expect(result[0]["short_path"]).to eq(upload.short_path)
       end
@@ -679,7 +679,7 @@ describe UploadsController do
 
         expect(response.status).to eq(200)
 
-        result = JSON.parse(response.body)
+        result = response.parsed_body
 
         expect(result["original_filename"]).to eq(upload.original_filename)
         expect(result["width"]).to eq(upload.width)
diff --git a/spec/requests/user_actions_controller_spec.rb b/spec/requests/user_actions_controller_spec.rb
index 1240a969475..d0d04ad660f 100644
--- a/spec/requests/user_actions_controller_spec.rb
+++ b/spec/requests/user_actions_controller_spec.rb
@@ -26,7 +26,7 @@ describe UserActionsController do
       get "/user_actions.json", params: { username: post.user.username }
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       actions = parsed["user_actions"]
       expect(actions.length).to eq(1)
       action = actions[0]
@@ -50,7 +50,7 @@ describe UserActionsController do
 
       expect(response.status).to eq(200)
 
-      response_body = JSON.parse(response.body)
+      response_body = response.parsed_body
 
       expect(response_body["user_actions"].count).to eq(1)
 
@@ -68,7 +68,7 @@ describe UserActionsController do
       }
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
 
       expect(parsed["no_results_help"]).to eq(I18n.t("user_activity.no_bookmarks.self"))
     end
@@ -83,7 +83,7 @@ describe UserActionsController do
       }
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
 
       expect(parsed["no_results_help"]).to eq(I18n.t("user_activity.no_bookmarks.others"))
     end
diff --git a/spec/requests/user_api_keys_controller_spec.rb b/spec/requests/user_api_keys_controller_spec.rb
index c612eb55a1d..11ab1db45da 100644
--- a/spec/requests/user_api_keys_controller_spec.rb
+++ b/spec/requests/user_api_keys_controller_spec.rb
@@ -255,7 +255,7 @@ describe UserApiKeysController do
       SiteSetting.min_trust_level_for_user_api_key = 0
       post "/user-api-key.json", params: args
       expect(response.status).not_to eq(302)
-      payload = JSON.parse(response.body)["payload"]
+      payload = response.parsed_body["payload"]
       encrypted = Base64.decode64(payload)
       key = OpenSSL::PKey::RSA.new(private_key)
       parsed = JSON.parse(key.private_decrypt(encrypted))
diff --git a/spec/requests/user_badges_controller_spec.rb b/spec/requests/user_badges_controller_spec.rb
index bd0c8ca3543..1c19e01de78 100644
--- a/spec/requests/user_badges_controller_spec.rb
+++ b/spec/requests/user_badges_controller_spec.rb
@@ -15,7 +15,7 @@ describe UserBadgesController do
       get "/user_badges.json", params: { badge_id: badge.id }
       expect(response.status).to eq(200)
 
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["topics"]).to eq(nil)
       expect(parsed["badges"].length).to eq(1)
       expect(parsed["user_badge_info"]["user_badges"][0]["post_id"]).to eq(nil)
@@ -40,7 +40,7 @@ describe UserBadgesController do
       get "/user-badges/#{user.username}.json"
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["user_badges"].length).to eq(1)
     end
 
@@ -49,7 +49,7 @@ describe UserBadgesController do
       get "/user-badges/#{user.username}", xhr: true
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["user_badges"].length).to eq(1)
     end
 
@@ -57,7 +57,7 @@ describe UserBadgesController do
       get "/user_badges.json", params: { badge_id: badge.id }
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["user_badge_info"]["user_badges"].length).to eq(1)
     end
 
@@ -67,7 +67,7 @@ describe UserBadgesController do
       }
 
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)
+      parsed = response.parsed_body
       expect(parsed["user_badges"].first.has_key?('count')).to eq(true)
     end
   end
diff --git a/spec/requests/users_controller_spec.rb b/spec/requests/users_controller_spec.rb
index 5d09c1031f1..53c936f8205 100644
--- a/spec/requests/users_controller_spec.rb
+++ b/spec/requests/users_controller_spec.rb
@@ -12,7 +12,7 @@ describe UsersController do
       get '/u/hp.json'
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       params = {
         email: 'jane@jane.com',
@@ -179,7 +179,7 @@ describe UsersController do
         get "/u/password-reset/#{token}.json"
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["message"]).to eq(I18n.t('password_reset.no_token'))
+        expect(response.parsed_body["message"]).to eq(I18n.t('password_reset.no_token'))
         expect(session[:current_user_id]).to be_blank
       end
     end
@@ -204,7 +204,7 @@ describe UsersController do
         put "/u/password-reset/evil_trout!.json", params: { password: "awesomeSecretPassword" }
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["message"]).to eq(I18n.t('password_reset.no_token'))
+        expect(response.parsed_body["message"]).to eq(I18n.t('password_reset.no_token'))
         expect(session[:current_user_id]).to be_blank
       end
     end
@@ -488,7 +488,7 @@ describe UsersController do
         put "/u/password-reset/#{token}.json", params: { password: '' }
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["errors"]).to be_present
+        expect(response.parsed_body["errors"]).to be_present
         expect(session[:current_user_id]).to be_blank
       end
 
@@ -496,7 +496,7 @@ describe UsersController do
         put "/u/password-reset/#{token}.json", params: { password: ('x' * (User.max_password_length + 1)) }
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["errors"]).to be_present
+        expect(response.parsed_body["errors"]).to be_present
         expect(session[:current_user_id]).to be_blank
       end
 
@@ -504,7 +504,7 @@ describe UsersController do
         put "/u/password-reset/#{token}.json", params: { password: 'ksjafh928r' }
 
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)["errors"]).to be_blank
+        expect(response.parsed_body["errors"]).to be_blank
         expect(session[:current_user_id]).to be_present
       end
 
@@ -512,7 +512,7 @@ describe UsersController do
         SiteSetting.must_approve_users = true
 
         put "/u/password-reset/#{token}.json", params: { password: 'ksjafh928r' }
-        expect(JSON.parse(response.body)["errors"]).to be_blank
+        expect(response.parsed_body["errors"]).to be_blank
         expect(session[:current_user_id]).to be_blank
       end
     end
@@ -585,7 +585,7 @@ describe UsersController do
   describe '#create' do
     def honeypot_magic(params)
       get '/u/hp.json'
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       params[:password_confirmation] = json["value"]
       params[:challenge] = json["challenge"].reverse
       params
@@ -635,13 +635,13 @@ describe UsersController do
 
         post_user(invite_code: "abcd")
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(false)
 
         # case insensitive and stripped of leading/ending spaces
         post_user(invite_code: " AbC deF ")
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(true)
 
       end
@@ -694,7 +694,7 @@ describe UsersController do
         post_user
         expect(response.status).to eq(200)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['success']).to eq(false)
         expect(json['message']).to be_present
       end
@@ -702,7 +702,7 @@ describe UsersController do
       it 'creates a user correctly' do
         post_user
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['active']).to be_falsey
+        expect(response.parsed_body['active']).to be_falsey
 
         # should save user_created_message in session
         expect(session["user_created_message"]).to be_present
@@ -722,7 +722,7 @@ describe UsersController do
           post_user
           expect(response.status).to eq(200)
 
-          expect(JSON.parse(response.body)['active']).to be_falsey
+          expect(response.parsed_body['active']).to be_falsey
 
           # should save user_created_message in session
           expect(session["user_created_message"]).to be_present
@@ -745,7 +745,7 @@ describe UsersController do
           post_user
           expect(response.status).to eq(200)
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['success']).to eq(false)
           expect(json['message']).to be_present
         end
@@ -759,7 +759,7 @@ describe UsersController do
           expect(response.status).to eq(200)
           expect(session["user_created_message"]).to be_present
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['active']).to be_falsey
           expect(json['message']).to eq(I18n.t("login.activate_email", email: post_user_params[:email]))
         end
@@ -770,7 +770,7 @@ describe UsersController do
       it "won't create the user as active" do
         post "/u.json", params: post_user_params.merge(active: true)
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['active']).to be_falsey
+        expect(response.parsed_body['active']).to be_falsey
       end
 
       context "with a regular api key" do
@@ -782,7 +782,7 @@ describe UsersController do
             params: post_user_params.merge(active: true), headers: { HTTP_API_KEY: api_key.key }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['active']).to be_falsey
+          expect(response.parsed_body['active']).to be_falsey
         end
       end
 
@@ -801,7 +801,7 @@ describe UsersController do
           expect(Jobs::SendSystemMessage.jobs.size).to eq(0)
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
 
           new_user = User.find(json["user_id"])
           email_token = new_user.email_tokens.active.where(email: new_user.email).first
@@ -822,7 +822,7 @@ describe UsersController do
           post "/u.json", params: post_user_params.merge(active: true), headers: { HTTP_API_KEY: api_key.key }
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
 
           new_user = User.find(json["user_id"])
           expect(json['active']).to be_truthy
@@ -837,7 +837,7 @@ describe UsersController do
           post "/u.json", params: post_user_params, headers: { HTTP_API_KEY: api_key.key }
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
 
           new_user = User.find(json["user_id"])
           expect(json['active']).to eq(false)
@@ -850,7 +850,7 @@ describe UsersController do
 
           post "/u.json", params: post_user_params.merge(active: true), headers: { HTTP_API_KEY: api_key.key }
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)['active']).to be_falsy
+          expect(response.parsed_body['active']).to be_falsy
         end
 
         it "won't set the new user's locale to the admin's locale" do
@@ -860,7 +860,7 @@ describe UsersController do
           post "/u.json", params: post_user_params.merge(active: true), headers: { HTTP_API_KEY: api_key.key }
           expect(response.status).to eq(200)
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           new_user = User.find(json["user_id"])
           expect(new_user.locale).not_to eq("fr")
         end
@@ -873,7 +873,7 @@ describe UsersController do
           post "/u.json", params: post_user_params.merge(active: true), headers: { HTTP_API_KEY: api_key.key }
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
 
           new_user = User.find(json["user_id"])
           expect(json['active']).to be_truthy
@@ -945,7 +945,7 @@ describe UsersController do
         User.any_instance.expects(:enqueue_welcome_message)
         post_user
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['message']).to eq(
+        expect(response.parsed_body['message']).to eq(
           I18n.t 'login.active'
         )
       end
@@ -961,7 +961,7 @@ describe UsersController do
         User.any_instance.expects(:enqueue_welcome_message)
         post_user
         expect(response.status).to eq(200)
-        expect(JSON.parse(response.body)['active']).to be_truthy
+        expect(response.parsed_body['active']).to be_truthy
       end
 
       it 'doesn\'t succeed when new registrations are disabled' do
@@ -970,7 +970,7 @@ describe UsersController do
         post_user
         expect(response.status).to eq(200)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['success']).to eq(false)
         expect(json['message']).to be_present
       end
@@ -1019,7 +1019,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['success']).to eq(false)
           expect(json['message']).to be_present
         end
@@ -1033,7 +1033,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['success']).to eq(true)
         end
       end
@@ -1042,7 +1042,7 @@ describe UsersController do
     it "creates user successfully but doesn't activate the account" do
       post_user
       expect(response.status).to eq(200)
-      json = JSON::parse(response.body)
+      json = response.parsed_body
       expect(json["success"]).to eq(true)
       expect(User.find_by(username: @user.username).active).to eq(false)
     end
@@ -1057,7 +1057,7 @@ describe UsersController do
 
         expect(response.status).to eq(200)
 
-        json = JSON::parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).to eq(true)
 
         # should not change the session
@@ -1103,7 +1103,7 @@ describe UsersController do
 
       it 'should report failed' do
         post "/u.json", params: create_params
-        json = JSON::parse(response.body)
+        json = response.parsed_body
         expect(json["success"]).not_to eq(true)
 
         # should not change the session
@@ -1253,7 +1253,7 @@ describe UsersController do
         )
 
         expect(response.status).to eq(200)
-        result = ::JSON.parse(response.body)
+        result = response.parsed_body
         expect(result["success"]).to eq(true)
 
         created_user = User.find_by_email(staged.email)
@@ -1309,7 +1309,7 @@ describe UsersController do
 
         expect(response.status).to eq(422)
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['errors'].first).to include(I18n.t(
           'user.username.short', min: User.username_length.begin
@@ -1328,7 +1328,7 @@ describe UsersController do
       it 'raises an error when the username clashes with an existing user route' do
         put "/u/#{user.username}/preferences/username.json", params: { new_username: 'account-created' }
 
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['errors'].first).to include(I18n.t('login.reserved_username'))
       end
@@ -1337,7 +1337,7 @@ describe UsersController do
         SiteSetting.reserved_usernames = 'reserved'
 
         put "/u/#{user.username}/preferences/username.json", params: { new_username: 'reserved' }
-        body = JSON.parse(response.body)
+        body = response.parsed_body
 
         expect(body['errors'].first).to include(I18n.t('login.reserved_username'))
       end
@@ -1370,7 +1370,7 @@ describe UsersController do
       it 'should return a JSON response with the updated username' do
         put "/u/#{user.username}/preferences/username.json", params: { new_username: new_username }
 
-        expect(::JSON.parse(response.body)['username']).to eq(new_username)
+        expect(response.parsed_body['username']).to eq(new_username)
       end
 
       it 'should respond with proper error message if sso_overrides_username is enabled' do
@@ -1383,7 +1383,7 @@ describe UsersController do
         put "/u/#{user.username}/preferences/username.json", params: { new_username: new_username }
 
         expect(response.status).to eq(422)
-        expect(::JSON.parse(response.body)['errors'].first).to include(I18n.t('errors.messages.sso_overrides_username'))
+        expect(response.parsed_body['errors'].first).to include(I18n.t('errors.messages.sso_overrides_username'))
       end
     end
   end
@@ -1397,15 +1397,15 @@ describe UsersController do
     shared_examples 'when username is unavailable' do
       it 'should return available as false in the JSON and return a suggested username' do
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['available']).to eq(false)
-        expect(::JSON.parse(response.body)['suggestion']).to be_present
+        expect(response.parsed_body['available']).to eq(false)
+        expect(response.parsed_body['suggestion']).to be_present
       end
     end
 
     shared_examples 'when username is available' do
       it 'should return available in the JSON' do
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['available']).to eq(true)
+        expect(response.parsed_body['available']).to eq(true)
       end
     end
 
@@ -1432,8 +1432,8 @@ describe UsersController do
     shared_examples 'checking an invalid username' do
       it 'should not return an available key but should return an error message' do
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['available']).to eq(nil)
-        expect(::JSON.parse(response.body)['errors']).to be_present
+        expect(response.parsed_body['available']).to eq(nil)
+        expect(response.parsed_body['errors']).to be_present
       end
     end
 
@@ -1445,7 +1445,7 @@ describe UsersController do
 
       it 'should return the invalid characters message' do
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['errors']).to include(I18n.t(:'user.username.characters'))
+        expect(response.parsed_body['errors']).to include(I18n.t(:'user.username.characters'))
       end
     end
 
@@ -1457,7 +1457,7 @@ describe UsersController do
 
       it 'should return the "too long" message' do
         expect(response.status).to eq(200)
-        expect(::JSON.parse(response.body)['errors']).to include(I18n.t(:'user.username.long', max: User.username_length.end))
+        expect(response.parsed_body['errors']).to include(I18n.t(:'user.username.long', max: User.username_length.end))
       end
     end
 
@@ -1509,7 +1509,7 @@ describe UsersController do
       get "/u/#{user.username}/invited_count.json"
       expect(response.status).to eq(200)
 
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json).to be_present
       expect(json['counts']).to be_present
     end
@@ -1542,14 +1542,14 @@ describe UsersController do
       get "/u/#{inviter.username}/invited.json", params: { search: 'billybob' }
       expect(response.status).to eq(200)
 
-      invites = JSON.parse(response.body)['invites']
+      invites = response.parsed_body['invites']
       expect(invites.size).to eq(1)
       expect(invites.first).to include('email' => 'billybob@example.com')
 
       get "/u/#{inviter.username}/invited.json", params: { search: invitee.username }
       expect(response.status).to eq(200)
 
-      invites = JSON.parse(response.body)['invites']
+      invites = response.parsed_body['invites']
       expect(invites.size).to eq(2)
       expect(invites[0]['email']).to be_present
     end
@@ -1565,13 +1565,13 @@ describe UsersController do
       get "/u/#{inviter.username}/invited.json", params: { search: 'billybob' }
       expect(response.status).to eq(200)
 
-      invites = JSON.parse(response.body)['invites']
+      invites = response.parsed_body['invites']
       expect(invites.size).to eq(0)
 
       get "/u/#{inviter.username}/invited.json", params: { search: invitee.username }
       expect(response.status).to eq(200)
 
-      invites = JSON.parse(response.body)['invites']
+      invites = response.parsed_body['invites']
       expect(invites.size).to eq(2)
       expect(invites[0]['email']).to be_blank
     end
@@ -1587,7 +1587,7 @@ describe UsersController do
       get "/u/#{inviter.username}/invited.json", params: { search: 'billybob' }
       expect(response.status).to eq(200)
 
-      invites = JSON.parse(response.body)['invites']
+      invites = response.parsed_body['invites']
       expect(invites.size).to eq(1)
       expect(invites[0]['email']).to be_present
     end
@@ -1613,7 +1613,7 @@ describe UsersController do
           get "/u/#{inviter.username}/invited.json"
           expect(response.status).to eq(200)
 
-          invites = JSON.parse(response.body)['invites']
+          invites = response.parsed_body['invites']
           expect(invites.size).to eq(1)
           expect(invites.first).to include('email' => invite.email)
         end
@@ -1631,7 +1631,7 @@ describe UsersController do
             get "/u/#{inviter.username}/invited/pending.json"
             expect(response.status).to eq(200)
 
-            invites = JSON.parse(response.body)['invites']
+            invites = response.parsed_body['invites']
             expect(invites.size).to eq(1)
             expect(invites.first).to include("email" => invite.email)
           end
@@ -1664,7 +1664,7 @@ describe UsersController do
           get "/u/#{inviter.username}/invited.json"
           expect(response.status).to eq(200)
 
-          invites = JSON.parse(response.body)['invites']
+          invites = response.parsed_body['invites']
           expect(invites.size).to eq(1)
           expect(invites.first).to include('email' => invite.email)
         end
@@ -1931,7 +1931,7 @@ describe UsersController do
         it 'returns user JSON' do
           put "/u/#{user.username}.json"
 
-          json = JSON.parse(response.body)
+          json = response.parsed_body
           expect(json['user']['id']).to eq user.id
         end
       end
@@ -2035,7 +2035,7 @@ describe UsersController do
           post "/u/action/send_activation_email.json", params: { username: user.username }
 
           expect(response.status).to eq(409)
-          expect(JSON.parse(response.body)['errors']).to include(I18n.t(
+          expect(response.parsed_body['errors']).to include(I18n.t(
             'activation.activated'
           ))
           expect(session[SessionController::ACTIVATE_USER_KEY]).to eq(nil)
@@ -2477,7 +2477,7 @@ describe UsersController do
         get "/u/#{user.username}/emails.json"
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["email"]).to eq(user.email)
         expect(json["secondary_emails"]).to eq(user.secondary_emails)
         expect(json["associated_accounts"]).to eq([])
@@ -2490,7 +2490,7 @@ describe UsersController do
         get "/u/#{user.username}/emails.json"
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["email"]).to eq(user.email)
         expect(json["secondary_emails"]).to eq(user.secondary_emails)
         expect(json["associated_accounts"]).to eq([])
@@ -2503,7 +2503,7 @@ describe UsersController do
         get "/u/#{inactive_user.username}/emails.json"
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["email"]).to eq(inactive_user.email)
         expect(json["secondary_emails"]).to eq(inactive_user.secondary_emails)
         expect(json["associated_accounts"]).to eq([])
@@ -2525,7 +2525,7 @@ describe UsersController do
       get "/u/is_local_username.json", params: { username: user.username }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["valid"][0]).to eq(user.username)
     end
 
@@ -2533,7 +2533,7 @@ describe UsersController do
       sign_in(user)
       get "/u/is_local_username.json", params: { username: group.name }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["valid_groups"]).to include(group.name)
       expect(json["mentionable_groups"].find { |g| g['name'] == group.name }).to be_present
     end
@@ -2542,7 +2542,7 @@ describe UsersController do
       sign_in(user)
       get "/u/is_local_username.json", params: { username: unmentionable.name }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["valid_groups"]).to include(unmentionable.name)
       expect(json["mentionable_groups"]).to be_blank
     end
@@ -2551,7 +2551,7 @@ describe UsersController do
       get "/u/is_local_username.json", params: { usernames: [user.username, "system"] }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["valid"].size).to eq(2)
     end
 
@@ -2561,7 +2561,7 @@ describe UsersController do
       get "/u/is_local_username.json", params: { usernames: [staged.username] }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["valid"].size).to eq(0)
     end
 
@@ -2573,7 +2573,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cannot_see"].size).to eq(1)
     end
 
@@ -2585,7 +2585,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cannot_see"].size).to eq(0)
     end
 
@@ -2597,7 +2597,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cannot_see"].size).to eq(1)
     end
 
@@ -2609,7 +2609,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["cannot_see"].size).to eq(0)
     end
   end
@@ -2632,7 +2632,7 @@ describe UsersController do
         get "/u/#{user.username}/topic-tracking-state.json"
 
         expect(response.status).to eq(200)
-        states = JSON.parse(response.body)
+        states = response.parsed_body
         expect(states[0]["topic_id"]).to eq(topic.id)
       end
     end
@@ -2645,7 +2645,7 @@ describe UsersController do
 
       get "/u/#{user.username_lower}/summary.json"
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
 
       expect(json["user_summary"]["topic_count"]).to eq(1)
       expect(json["user_summary"]["post_count"]).to eq(0)
@@ -2903,7 +2903,7 @@ describe UsersController do
       it "returns success" do
         get "/u/#{user.username}.json"
         expect(response.status).to eq(200)
-        parsed = JSON.parse(response.body)["user"]
+        parsed = response.parsed_body["user"]
 
         expect(parsed['username']).to eq(user.username)
         expect(parsed["profile_hidden"]).to be_blank
@@ -2915,7 +2915,7 @@ describe UsersController do
 
         get "/u/#{user.username}.json"
         expect(response.status).to eq(200)
-        parsed = JSON.parse(response.body)["user"]
+        parsed = response.parsed_body["user"]
 
         expect(parsed["username"]).to eq(user.username)
         expect(parsed["profile_hidden"]).to eq(true)
@@ -2956,7 +2956,7 @@ describe UsersController do
         expect(response.status).to eq(200)
         expect(response.headers['X-Robots-Tag']).to eq('noindex')
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(json["user"]["has_title_badges"]).to eq(false)
       end
@@ -3010,7 +3010,7 @@ describe UsersController do
         it "returns fetch for a matching external_id" do
           get "/u/by-external/997.json"
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)["user"]["username"]).to eq(user.username)
+          expect(response.parsed_body["user"]["username"]).to eq(user.username)
         end
 
         it "returns not found when external_id doesn't match" do
@@ -3032,7 +3032,7 @@ describe UsersController do
 
         it "includes only visible posts" do
           get "/u/#{admin.username}.json", params: { include_post_count_for: topic.id }
-          topic_post_count = JSON.parse(response.body).dig("user", "topic_post_count")
+          topic_post_count = response.parsed_body.dig("user", "topic_post_count")
           expect(topic_post_count[topic.id.to_s]).to eq(1)
         end
 
@@ -3040,7 +3040,7 @@ describe UsersController do
           sign_in(admin)
 
           get "/u/#{admin.username}.json", params: { include_post_count_for: topic.id }
-          topic_post_count = JSON.parse(response.body).dig("user", "topic_post_count")
+          topic_post_count = response.parsed_body.dig("user", "topic_post_count")
           expect(topic_post_count[topic.id.to_s]).to eq(2)
         end
       end
@@ -3074,7 +3074,7 @@ describe UsersController do
       it "returns success" do
         get "/u/#{user.username}/card.json"
         expect(response.status).to eq(200)
-        parsed = JSON.parse(response.body)["user"]
+        parsed = response.parsed_body["user"]
 
         expect(parsed["username"]).to eq(user.username)
         expect(parsed["profile_hidden"]).to be_blank
@@ -3099,7 +3099,7 @@ describe UsersController do
         get "/u/#{user.username}/card.json"
         expect(response.status).to eq(200)
 
-        json = JSON.parse(response.body)
+        json = response.parsed_body
 
         expect(json["user"]["associated_accounts"]).to eq(nil) # Not serialized in card
         expect(json["user"]["username"]).to eq(user.username)
@@ -3125,7 +3125,7 @@ describe UsersController do
     it "returns success" do
       get "/user-cards.json?user_ids=#{user.id},#{user2.id}"
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)["users"]
+      parsed = response.parsed_body["users"]
 
       expect(parsed.map { |u| u["username"] }).to contain_exactly(user.username, user2.username)
     end
@@ -3140,7 +3140,7 @@ describe UsersController do
       user2.user_option.update(hide_profile_and_presence: true)
       get "/user-cards.json?user_ids=#{user.id},#{user2.id}"
       expect(response.status).to eq(200)
-      parsed = JSON.parse(response.body)["users"]
+      parsed = response.parsed_body["users"]
 
       expect(parsed.map { |u| u["username"] }).to contain_exactly(user.username)
     end
@@ -3221,14 +3221,14 @@ describe UsersController do
     it "searches when provided the term only" do
       get "/u/search/users.json", params: { term: user.name.split(" ").last }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["users"].map { |u| u["username"] }).to include(user.username)
     end
 
     it "searches when provided the topic only" do
       get "/u/search/users.json", params: { topic_id: topic.id }
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["users"].map { |u| u["username"] }).to include(user.username)
     end
 
@@ -3238,7 +3238,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["users"].map { |u| u["username"] }).to include(user.username)
     end
 
@@ -3262,7 +3262,7 @@ describe UsersController do
       }
 
       expect(response.status).to eq(200)
-      json = JSON.parse(response.body)
+      json = response.parsed_body
       expect(json["users"].map { |u| u["username"] }).to_not include(user.username)
       expect(json["users"].map { |u| u["username"] }).to include(privileged_user.username)
     end
@@ -3283,7 +3283,7 @@ describe UsersController do
 
       it "returns names" do
         get "/u/search/users.json", params: { term: user.name }
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["users"].map { |u| u["name"] }).to include(user.name)
       end
     end
@@ -3295,7 +3295,7 @@ describe UsersController do
 
       it "returns names" do
         get "/u/search/users.json", params: { term: user.name }
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json["users"].map { |u| u["name"] }).not_to include(user.name)
       end
     end
@@ -3347,7 +3347,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          groups = JSON.parse(response.body)["groups"]
+          groups = response.parsed_body["groups"]
           expect(groups).to eq(nil)
         end
 
@@ -3356,7 +3356,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          groups = JSON.parse(response.body)["groups"]
+          groups = response.parsed_body["groups"]
 
           expect(groups.map { |group| group['name'] })
             .to_not include(private_group.name)
@@ -3370,7 +3370,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).not_to have_key(:groups)
+          expect(response.parsed_body).not_to have_key(:groups)
         end
 
         it "searches for messageable groups" do
@@ -3382,7 +3382,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          expect(JSON.parse(response.body)["groups"].map { |group| group['name'] })
+          expect(response.parsed_body["groups"].map { |group| group['name'] })
             .to contain_exactly(messageable_group.name, Group.find(Group::AUTO_GROUPS[:moderators]).name)
         end
 
@@ -3395,7 +3395,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          groups = JSON.parse(response.body)["groups"]
+          groups = response.parsed_body["groups"]
 
           expect(groups.map { |group| group['name'] })
             .to contain_exactly(mentionable_group.name, mentionable_group_2.name)
@@ -3411,7 +3411,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).not_to have_key(:groups)
+          expect(response.parsed_body).not_to have_key(:groups)
 
           get "/u/search/users.json", params: {
             include_mentionable_groups: 'false',
@@ -3420,7 +3420,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).not_to have_key(:groups)
+          expect(response.parsed_body).not_to have_key(:groups)
 
           get "/u/search/users.json", params: {
             include_messageable_groups: 'false',
@@ -3429,7 +3429,7 @@ describe UsersController do
           }
 
           expect(response.status).to eq(200)
-          expect(JSON.parse(response.body)).not_to have_key(:groups)
+          expect(response.parsed_body).not_to have_key(:groups)
         end
       end
 
@@ -3477,7 +3477,7 @@ describe UsersController do
         end
 
         def users_found
-          JSON.parse(response.body)['users'].map { |u| u['username'] }
+          response.parsed_body['users'].map { |u| u['username'] }
         end
       end
     end
@@ -3505,7 +3505,7 @@ describe UsersController do
       post "/u/email-login.json", params: { login: user.email }
 
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body)['user_found']).to eq(true)
+      expect(response.parsed_body['user_found']).to eq(true)
 
       job_args = Jobs::CriticalUserEmail.jobs.last["args"].first
 
@@ -3530,7 +3530,7 @@ describe UsersController do
         post "/u/email-login.json", params: { login: '@random' }
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json['user_found']).to eq(false)
         expect(json['hide_taken']).to eq(false)
         expect(Jobs::CriticalUserEmail.jobs).to eq([])
@@ -3543,7 +3543,7 @@ describe UsersController do
         post "/u/email-login.json", params: { login: user.email }
 
         expect(response.status).to eq(200)
-        json = JSON.parse(response.body)
+        json = response.parsed_body
         expect(json.has_key?('user_found')).to eq(false)
         expect(json['hide_taken']).to eq(true)
       end
@@ -3610,7 +3610,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          response_body = JSON.parse(response.body)
+          response_body = response.parsed_body
 
           expect(response_body['key']).to be_present
           expect(response_body['qr']).to be_present
@@ -3646,7 +3646,7 @@ describe UsersController do
         post "/users/enable_second_factor_totp.json", params: { name: "test", second_factor_token: "123456" }
       end
       it "shows a helpful error message to the user" do
-        expect(JSON.parse(response.body)['error']).to eq(I18n.t("login.invalid_second_factor_code"))
+        expect(response.parsed_body['error']).to eq(I18n.t("login.invalid_second_factor_code"))
       end
     end
 
@@ -3656,7 +3656,7 @@ describe UsersController do
         post "/users/enable_second_factor_totp.json", params: { second_factor_token: "123456" }
       end
       it "shows a helpful error message to the user" do
-        expect(JSON.parse(response.body)['error']).to eq(I18n.t("login.missing_second_factor_name"))
+        expect(response.parsed_body['error']).to eq(I18n.t("login.missing_second_factor_name"))
       end
     end
 
@@ -3666,7 +3666,7 @@ describe UsersController do
         post "/users/enable_second_factor_totp.json", params: { name: "test" }
       end
       it "shows a helpful error message to the user" do
-        expect(JSON.parse(response.body)['error']).to eq(I18n.t("login.missing_second_factor_code"))
+        expect(response.parsed_body['error']).to eq(I18n.t("login.missing_second_factor_code"))
       end
     end
   end
@@ -3813,7 +3813,7 @@ describe UsersController do
 
           expect(response.status).to eq(200)
 
-          response_body = JSON.parse(response.body)
+          response_body = response.parsed_body
 
           # we use SecureRandom.hex(16) for backup codes, ensure this continues to be the case
           expect(response_body['backup_codes'].map(&:length)).to eq([32] * 10)
@@ -3826,7 +3826,7 @@ describe UsersController do
     it "stores the challenge in the session and returns challenge data, user id, and supported algorithms" do
       create_second_factor_security_key
       secure_session = read_secure_session
-      response_parsed = JSON.parse(response.body)
+      response_parsed = response.parsed_body
       expect(response_parsed["challenge"]).to eq(
         Webauthn.challenge(user, secure_session)
       )
@@ -3849,7 +3849,7 @@ describe UsersController do
 
       it "returns those existing active credentials" do
         create_second_factor_security_key
-        response_parsed = JSON.parse(response.body)
+        response_parsed = response.parsed_body
         expect(response_parsed["existing_active_credential_ids"]).to eq(
           [user_security_key.credential_id]
         )
@@ -3862,7 +3862,7 @@ describe UsersController do
       it "creates a security key for the user" do
         simulate_localhost_webauthn_challenge
         create_second_factor_security_key
-        response_parsed = JSON.parse(response.body)
+        response_parsed = response.parsed_body
 
         post "/u/register_second_factor_security_key.json", params: valid_security_key_create_post_data
 
@@ -3876,7 +3876,7 @@ describe UsersController do
       it "shows a security key error and does not create a key" do
         stub_as_dev_localhost
         create_second_factor_security_key
-        response_parsed = JSON.parse(response.body)
+        response_parsed = response.parsed_body
 
         post "/u/register_second_factor_security_key.json", params: {
           id: "bad id",
@@ -3888,7 +3888,7 @@ describe UsersController do
         }
 
         expect(user.security_keys.count).to eq(0)
-        expect(JSON.parse(response.body)["error"]).to eq(I18n.t("webauthn.validation.invalid_type_error"))
+        expect(response.parsed_body["error"]).to eq(I18n.t("webauthn.validation.invalid_type_error"))
       end
     end
   end
@@ -4082,7 +4082,7 @@ describe UsersController do
 
         it 'returns password required response' do
           expect(response.status).to eq(200)
-          response_body = JSON.parse(response.body)
+          response_body = response.parsed_body
           expect(response_body['password_required']).to eq(true)
         end
       end
@@ -4100,7 +4100,7 @@ describe UsersController do
             post "/u/second_factors.json", params: { password: password }
 
             expect(response.status).to eq(200)
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body['totps'].map { |second_factor| second_factor['id'] }).to include(totp_second_factor.id)
             expect(response_body['security_keys'].map { |second_factor| second_factor['id'] }).to include(security_key_second_factor.id)
           end
@@ -4113,7 +4113,7 @@ describe UsersController do
 
             post "/u/second_factors.json", params: { password: password }
 
-            response_body = JSON.parse(response.body)
+            response_body = response.parsed_body
             expect(response_body['error']).to eq(
               I18n.t("login.incorrect_password")
             )
@@ -4237,7 +4237,7 @@ describe UsersController do
       sign_in(user)
       get "/u/#{user.username}/bookmarks.json"
       expect(response.status).to eq(200)
-      expect(JSON.parse(response.body)['user_bookmark_list']['bookmarks'].map { |b| b['id'] }).to match_array([bookmark1.id, bookmark2.id])
+      expect(response.parsed_body['user_bookmark_list']['bookmarks'].map { |b| b['id'] }).to match_array([bookmark1.id, bookmark2.id])
     end
 
     it "does not show another user's bookmarks" do
diff --git a/spec/requests/wizard_controller_spec.rb b/spec/requests/wizard_controller_spec.rb
index d315a093137..0d10b4b3de6 100644
--- a/spec/requests/wizard_controller_spec.rb
+++ b/spec/requests/wizard_controller_spec.rb
@@ -43,7 +43,7 @@ describe WizardController do
       sign_in(Fabricate(:admin))
       get "/wizard.json"
       expect(response.status).to eq(200)
-      expect(::JSON.parse(response.body).has_key?('wizard')).to eq(true)
+      expect(response.parsed_body.has_key?('wizard')).to eq(true)
     end
   end
 end
diff --git a/spec/support/integration_helpers.rb b/spec/support/integration_helpers.rb
index b306814aea3..8155ef4d2c0 100644
--- a/spec/support/integration_helpers.rb
+++ b/spec/support/integration_helpers.rb
@@ -6,7 +6,7 @@ module IntegrationHelpers
 
     expect(response.status).to eq(200)
 
-    body = JSON.parse(response.body)
+    body = response.parsed_body
     honeypot = body["value"]
     challenge = body["challenge"]
     user = Fabricate.build(:user)
@@ -21,7 +21,7 @@ module IntegrationHelpers
 
     expect(response.status).to eq(200)
 
-    body = JSON.parse(response.body)
+    body = response.parsed_body
     User.find(body["user_id"])
   end