React component helper specs (#24072)

spec/helpers/media_component_helper_spec.rb

@@ -0,0 +1,86 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe MediaComponentHelper do
+  describe 'render_video_component' do
+    let(:media) { Fabricate(:media_attachment, type: :video, status: Fabricate(:status)) }
+    let(:result) { helper.render_video_component(media.status) }
+
+    before do
+      without_partial_double_verification do
+        allow(helper).to receive(:current_account).and_return(media.account)
+      end
+    end
+
+    it 'renders a react component for the video' do
+      expect(parsed_html.div['data-component']).to eq('Video')
+    end
+  end
+
+  describe 'render_audio_component' do
+    let(:media) { Fabricate(:media_attachment, type: :audio, status: Fabricate(:status)) }
+    let(:result) { helper.render_audio_component(media.status) }
+
+    before do
+      without_partial_double_verification do
+        allow(helper).to receive(:current_account).and_return(media.account)
+      end
+    end
+
+    it 'renders a react component for the audio' do
+      expect(parsed_html.div['data-component']).to eq('Audio')
+    end
+  end
+
+  describe 'render_media_gallery_component' do
+    let(:media) { Fabricate(:media_attachment, type: :audio, status: Fabricate(:status)) }
+    let(:result) { helper.render_media_gallery_component(media.status) }
+
+    before do
+      without_partial_double_verification do
+        allow(helper).to receive(:current_account).and_return(media.account)
+      end
+    end
+
+    it 'renders a react component for the media gallery' do
+      expect(parsed_html.div['data-component']).to eq('MediaGallery')
+    end
+  end
+
+  describe 'render_card_component' do
+    let(:status) { Fabricate(:status, preview_cards: [Fabricate(:preview_card)]) }
+    let(:result) { helper.render_card_component(status) }
+
+    before do
+      without_partial_double_verification do
+        allow(helper).to receive(:current_account).and_return(status.account)
+      end
+    end
+
+    it 'returns the correct react component markup' do
+      expect(parsed_html.div['data-component']).to eq('Card')
+    end
+  end
+
+  describe 'render_poll_component' do
+    let(:status) { Fabricate(:status, poll: Fabricate(:poll)) }
+    let(:result) { helper.render_poll_component(status) }
+
+    before do
+      without_partial_double_verification do
+        allow(helper).to receive(:current_account).and_return(status.account)
+      end
+    end
+
+    it 'returns the correct react component markup' do
+      expect(parsed_html.div['data-component']).to eq('Poll')
+    end
+  end
+
+  private
+
+  def parsed_html
+    Nokogiri::Slop(result)
+  end
+end