add icon component test

Author: p_doub

spec/usage/components/icon_spec.rb

@@ -0,0 +1,48 @@
+require_relative '../../support/utils'
+include Utils
+
+describe 'Icon Component', type: :feature, js: true do
+
+  it 'Example 1' do
+
+    class ExamplePage < Page::Cell::Page
+
+      def response
+        components {
+          # using the icon tag as italic styling
+          icon text: 'I am italic text'
+
+          # Fontawesome icon tag without options[:text]
+          icon class: 'fab fa-500px'
+
+          # MDL icon without options[:text]
+          icon class: 'material-icons' do
+            plain 'accessibility'
+          end
+
+          # MDL icon with options[:text] (recommended)
+          icon class: 'material-icons', text: 'check_circle'
+        }
+      end
+
+    end
+
+    visit "/example"
+
+    static_output = page.html
+
+    expected_static_output = <<~HTML
+    <i>I am italic text</i>
+    <i class="fab fa-500px"></i>
+    <i class="material-icons">
+      accessibility
+    </i>
+    <i class="material-icons">
+      check_circle
+    </i>
+    HTML
+
+    expect(stripped(static_output)).to include(stripped(expected_static_output))
+  end
+
+end