Support for Embeddable Comments via IFRAME

spec/controllers/embed_controller_spec.rb

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+require 'spec_helper'
+
+describe EmbedController do
+
+  let(:host) { "eviltrout.com" }
+  let(:embed_url) { "http://eviltrout.com/2013/02/10/why-discourse-uses-emberjs.html" }
+
+  it "is 404 without an embed_url" do
+    get :best
+    response.should_not be_success
+  end
+
+  it "raises an error with a missing host" do
+    SiteSetting.stubs(:embeddable_host).returns(nil)
+    get :best, embed_url: embed_url
+    response.should_not be_success
+  end
+
+  context "with a host" do
+    before do
+      SiteSetting.stubs(:embeddable_host).returns(host)
+    end
+
+    it "raises an error with no referer" do
+      get :best, embed_url: embed_url
+      response.should_not be_success
+    end
+
+    context "success" do
+
+      before do
+        controller.request.stubs(:referer).returns(embed_url)
+      end
+
+      after do
+        response.should be_success
+        response.headers['X-Frame-Options'].should == "ALLOWALL"
+      end
+
+      it "tells the topic retriever to work when no previous embed is found" do
+        TopicEmbed.expects(:topic_id_for_embed).returns(nil)
+        retriever = mock
+        TopicRetriever.expects(:new).returns(retriever)
+        retriever.expects(:retrieve)
+        get :best, embed_url: embed_url
+      end
+
+      it "creates a topic view when a topic_id is found" do
+        TopicEmbed.expects(:topic_id_for_embed).returns(123)
+        TopicView.expects(:new).with(123, nil, {best: 5})
+        get :best, embed_url: embed_url
+      end
+    end
+
+  end
+
+
+end