Fix missing content warning text in rss formatter (#32406)

spec/helpers/formatting_helper_spec.rb

@@ -6,19 +6,57 @@ RSpec.describe FormattingHelper do
   include Devise::Test::ControllerHelpers
 
   describe '#rss_status_content_format' do
-    let(:status) { Fabricate(:status, text: 'Hello world<>', spoiler_text: 'This is a spoiler<>', poll: Fabricate(:poll, options: %w(Yes<> No))) }
-    let(:html) { helper.rss_status_content_format(status) }
+    subject { helper.rss_status_content_format(status) }
 
-    it 'renders the spoiler text' do
-      expect(html).to include('<p>This is a spoiler&lt;&gt;</p><hr>')
+    context 'with a simple status' do
+      let(:status) { Fabricate.build :status, text: 'Hello world' }
+
+      it 'renders the formatted elements' do
+        expect(parsed_result.css('p').first.text)
+          .to eq('Hello world')
+      end
     end
 
-    it 'renders the status text' do
-      expect(html).to include('<p>Hello world&lt;&gt;</p>')
+    context 'with a spoiler and an emoji and a poll' do
+      let(:status) { Fabricate(:status, text: 'Hello :world: <>', spoiler_text: 'This is a spoiler<>', poll: Fabricate(:poll, options: %w(Yes<> No))) }
+
+      before { Fabricate :custom_emoji, shortcode: 'world' }
+
+      it 'renders the formatted elements' do
+        expect(spoiler_node.css('strong').text)
+          .to eq('Content warning:')
+        expect(spoiler_node.text)
+          .to include('This is a spoiler<>')
+        expect(content_node.text)
+          .to eq('Hello  <>')
+        expect(content_node.css('img').first.to_h.symbolize_keys)
+          .to include(
+            rel: 'emoji',
+            title: ':world:'
+          )
+        expect(poll_node.css('radio').first.text)
+          .to eq('Yes<>')
+        expect(poll_node.css('radio').first.to_h.symbolize_keys)
+          .to include(
+            disabled: 'disabled'
+          )
+      end
+
+      def spoiler_node
+        parsed_result.css('p').first
+      end
+
+      def content_node
+        parsed_result.css('p')[1]
+      end
+
+      def poll_node
+        parsed_result.css('p').last
+      end
     end
 
-    it 'renders the poll' do
-      expect(html).to include('<radio disabled="disabled">Yes&lt;&gt;</radio><br>')
+    def parsed_result
+      Nokogiri::HTML.fragment(subject)
     end
   end
 end