add youtube component tests

Author: pascalwengerter

spec/usage/components/youtube_spec.rb

@@ -0,0 +1,33 @@
+require_relative '../../support/utils'
+include Utils
+
+describe 'Youtube Component', type: :feature, js: true do
+
+  it 'Example 1' do
+
+    class ExamplePage < Matestack::Ui::Page
+
+      def response
+        components {
+          # simple youtube video
+          youtube height: 360, width: 360, yt_id: 'OY5AeGhgK7I', class: 'iframe'
+          # youtube video with start_at and no_controls
+          youtube height: 360, width: 360, yt_id: 'OY5AeGhgK7I', start_at: 30, no_controls: true
+          # youtube video with start_at and privacy_mode
+          youtube height: 360, width: 360, yt_id: 'OY5AeGhgK7I', start_at: 30, privacy_mode: true
+        }
+      end
+
+    end
+
+    visit '/example'
+
+    static_output = page.html
+
+    expect(page).to have_selector("iframe[src='https://www.youtube.com/embed/OY5AeGhgK7I'][class='iframe']")
+    expect(page).to have_selector("iframe[src='https://www.youtube.com/embed/OY5AeGhgK7I?controls=0&start=30']")
+    expect(page).to have_selector("iframe[src='https://www.youtube-nocookie.com/embed/OY5AeGhgK7I?start=30']")
+
+  end
+
+end