FEATURE: Embeddable Discourse comments, now with simple-rss instead of feedzirra

spec/components/topic_retriever_spec.rb

@@ -0,0 +1,46 @@
+require 'spec_helper'
+require_dependency 'topic_retriever'
+
+describe TopicRetriever do
+
+  let(:embed_url) { "http://eviltrout.com/2013/02/10/why-discourse-uses-emberjs.html" }
+  let(:topic_retriever) { TopicRetriever.new(embed_url) }
+
+  it "does not call perform_retrieve when embeddable_host is not set" do
+    SiteSetting.expects(:embeddable_host).returns(nil)
+    topic_retriever.expects(:perform_retrieve).never
+    topic_retriever.retrieve
+  end
+
+  it "does not call perform_retrieve when embeddable_host is different than the host of the URL" do
+    SiteSetting.expects(:embeddable_host).returns("eviltuna.com")
+    topic_retriever.expects(:perform_retrieve).never
+    topic_retriever.retrieve
+  end
+
+  it "does not call perform_retrieve when the embed url is not a url" do
+    r = TopicRetriever.new("not a url")
+    r.expects(:perform_retrieve).never
+    r.retrieve
+  end
+
+  context "with a valid host" do
+    before do
+      SiteSetting.expects(:embeddable_host).returns("eviltrout.com")
+    end
+
+    it "calls perform_retrieve if it hasn't been retrieved recently" do
+      topic_retriever.expects(:perform_retrieve).once
+      topic_retriever.expects(:retrieved_recently?).returns(false)
+      topic_retriever.retrieve
+    end
+
+    it "doesn't call perform_retrieve if it's been retrieved recently" do
+      topic_retriever.expects(:perform_retrieve).never
+      topic_retriever.expects(:retrieved_recently?).returns(true)
+      topic_retriever.retrieve
+    end
+
+  end
+
+end