FEATURE: Watched Words: when posts contain words, do one of flag, require approval, censor, or block

spec/services/word_watcher_spec.rb

@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+describe WordWatcher do
+
+  let(:raw) { "Do you like liquorice?\n\nI really like them. One could even say that I am *addicted* to liquorice. Anf if\nyou can mix it up with some anise, then I'm in heaven ;)" }
+
+  after do
+    $redis.flushall
+  end
+
+  describe "word_matches_for_action?" do
+    it "is falsey when there are no watched words" do
+      expect(WordWatcher.new(raw).word_matches_for_action?(:require_approval)).to be_falsey
+    end
+
+    context "with watched words" do
+      let!(:anise) { Fabricate(:watched_word, word: "anise", action: WatchedWord.actions[:require_approval]) }
+
+      it "is falsey without a match" do
+        expect(WordWatcher.new("No liquorice for me, thanks...").word_matches_for_action?(:require_approval)).to be_falsey
+      end
+
+      it "is returns matched words if there's a match" do
+        m = WordWatcher.new(raw).word_matches_for_action?(:require_approval)
+        expect(m).to be_truthy
+        expect(m[1]).to eq(anise.word)
+      end
+
+      it "finds at start of string" do
+        m = WordWatcher.new("#{anise.word} is garbage").word_matches_for_action?(:require_approval)
+        expect(m[1]).to eq(anise.word)
+      end
+
+      it "finds at end of string" do
+        m = WordWatcher.new("who likes #{anise.word}").word_matches_for_action?(:require_approval)
+        expect(m[1]).to eq(anise.word)
+      end
+
+      it "finds non-letters in place of letters" do
+        Fabricate(:watched_word, word: "co(onut", action: WatchedWord.actions[:require_approval])
+        m = WordWatcher.new("This co(onut is delicious.").word_matches_for_action?(:require_approval)
+        expect(m[1]).to eq("co(onut")
+      end
+
+      it "handles * for wildcards" do
+        Fabricate(:watched_word, word: "a**le*", action: WatchedWord.actions[:require_approval])
+        m = WordWatcher.new("I acknowledge you.").word_matches_for_action?(:require_approval)
+        expect(m[1]).to eq("acknowledge")
+      end
+    end
+  end
+
+end