DEV: Update test case for `TopicEmbed`.

app/models/topic_embed.rb

@@ -88,11 +88,20 @@ class TopicEmbed < ActiveRecord::Base
           post.reload
         end
 
-        revision[:raw] = absolutize_urls(url, contents) if content_sha1 != embed.content_sha1
+        if content_sha1 != embed.content_sha1
+          revision[:raw] = absolutize_urls(url, contents)
+        end
+
         revision[:title] = title if title != post.topic.title
 
-        post.revise(user, revision, skip_validations: true, bypass_rate_limiter: true) unless revision.empty?
-        embed.update_column(:content_sha1, content_sha1) if revision[:raw]
+        unless revision.empty?
+          post.revise(user, revision,
+            skip_validations: true,
+            bypass_rate_limiter: true
+          )
+        end
+
+        embed.update!(content_sha1: content_sha1) if revision[:raw]
       end
     end
 

spec/models/topic_embed_spec.rb

@@ -22,6 +22,7 @@ describe TopicEmbed do
 
     context 'creation of a post' do
       let!(:post) { TopicEmbed.import(user, url, title, contents) }
+      let(:topic_embed) { TopicEmbed.find_by(post: post) }
 
       it "works as expected with a new URL" do
         expect(post).to be_present
@@ -41,23 +42,27 @@ describe TopicEmbed do
       end
 
       it "Supports updating the post title" do
-        post = TopicEmbed.import(user, url, "I am a new title", contents)
+        TopicEmbed.import(user, url, "I am a new title", contents)
 
-        expect(post.topic.title).to eq("I am a new title")
+        topic_embed.reload
+        expect(topic_embed.post.topic.title).to eq("I am a new title")
       end
 
       it "Supports updating the post content" do
-        post = TopicEmbed.import(user, url, title, "muhahaha new contents!")
+        expect do
+          TopicEmbed.import(user, url, title, "muhahaha new contents!")
+        end.to change { topic_embed.reload.content_sha1 }
 
-        expect(post.cooked).to match(/new contents/)
+        expect(topic_embed.post.cooked).to match(/new contents/)
       end
 
       it "Supports updating the post author" do
         new_user = Fabricate(:user)
-        post = TopicEmbed.import(new_user, url, title, contents)
+        TopicEmbed.import(new_user, url, title, contents)
 
-        expect(post.user).to eq(new_user)
-        expect(post.topic.user).to eq(new_user)
+        topic_embed.reload
+        expect(topic_embed.post.user).to eq(new_user)
+        expect(topic_embed.post.topic.user).to eq(new_user)
       end
 
       it "Should leave uppercase Feed Entry URL untouched in content" do