Use embed_dropdown for snippets

- Also removes old blob_embeddable since it
isn't used anymore
- Also adds a temporary gl-dropdown-text-py-0
utility class which we can remove when some
upstream components have been updated

app/assets/javascripts/blob/components/blob_embeddable.vue

-<script>
-import { GlFormInputGroup, GlDeprecatedButton, GlIcon } from '@gitlab/ui';
-import { __ } from '~/locale';
-
-export default {
-  components: {
-    GlFormInputGroup,
-    GlDeprecatedButton,
-    GlIcon,
-  },
-  props: {
-    url: {
-      type: String,
-      required: true,
-    },
-  },
-  data() {
-    return {
-      optionValues: [
-        // eslint-disable-next-line no-useless-escape
-        { name: __('Embed'), value: `<script src='${this.url}.js'><\/script>` },
-        { name: __('Share'), value: this.url },
-      ],
-    };
-  },
-};
-</script>
-<template>
-  <gl-form-input-group
-    id="embeddable-text"
-    :predefined-options="optionValues"
-    readonly
-    select-on-click
-  >
-    <template #append>
-      <gl-deprecated-button new-style data-clipboard-target="#embeddable-text">
-        <gl-icon name="copy-to-clipboard" :title="__('Copy')" />
-      </gl-deprecated-button>
-    </template>
-  </gl-form-input-group>
-</template>

app/assets/javascripts/snippets/components/embed_dropdown.vue

+<script>
+import { escape as esc } from 'lodash';
+import {
+  GlButton,
+  GlDropdown,
+  GlDropdownHeader,
+  GlDropdownText,
+  GlFormInputGroup,
+  GlTooltipDirective,
+} from '@gitlab/ui';
+import { __ } from '~/locale';
+
+const MSG_EMBED = __('Embed');
+const MSG_SHARE = __('Share');
+const MSG_COPY = __('Copy');
+
+export default {
+  components: {
+    GlButton,
+    GlDropdown,
+    GlDropdownHeader,
+    GlDropdownText,
+    GlFormInputGroup,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    url: {
+      type: String,
+      required: true,
+    },
+  },
+  computed: {
+    sections() {
+      return [
+        // eslint-disable-next-line no-useless-escape
+        { name: MSG_EMBED, value: `<script src="${esc(this.url)}.js"><\/script>` },
+        { name: MSG_SHARE, value: this.url },
+      ];
+    },
+  },
+  MSG_EMBED,
+  MSG_COPY,
+};
+</script>
+<template>
+  <gl-dropdown right :text="$options.MSG_EMBED" menu-class="gl-px-1! gl-pb-5!">
+    <template v-for="{ name, value } in sections">
+      <gl-dropdown-header :key="`header_${name}`" data-testid="header">{{
+        name
+      }}</gl-dropdown-header>
+      <gl-dropdown-text
+        :key="`input_${name}`"
+        tag="div"
+        class="gl-dropdown-text-py-0"
+        data-testid="input"
+      >
+        <gl-form-input-group :value="value" readonly select-on-click>
+          <template #append>
+            <gl-button
+              v-gl-tooltip.hover
+              :title="$options.MSG_COPY"
+              :data-clipboard-text="value"
+              icon="copy-to-clipboard"
+            />
+          </template>
+        </gl-form-input-group>
+      </gl-dropdown-text>
+    </template>
+  </gl-dropdown>
+</template>

app/assets/javascripts/snippets/components/show.vue

 <script>
 import { GlLoadingIcon } from '@gitlab/ui';
-import BlobEmbeddable from '~/blob/components/blob_embeddable.vue';
+import EmbedDropdown from './embed_dropdown.vue';
 import SnippetHeader from './snippet_header.vue';
 import SnippetTitle from './snippet_title.vue';
 import SnippetBlob from './snippet_blob_view.vue';
@@ -13,7 +13,7 @@ import { SNIPPET_MARK_VIEW_APP_START } from '~/performance_constants';
 
 export default {
   components: {
-    BlobEmbeddable,
+    EmbedDropdown,
     SnippetHeader,
     SnippetTitle,
     GlLoadingIcon,
@@ -46,7 +46,7 @@ export default {
       <snippet-header :snippet="snippet" />
       <snippet-title :snippet="snippet" />
       <div class="gl-display-flex gl-justify-content-end gl-mb-5">
-        <blob-embeddable v-if="embeddable" class="gl-flex-fill-1" :url="snippet.webUrl" />
+        <embed-dropdown v-if="embeddable" :url="snippet.webUrl" />
         <clone-dropdown-button
           v-if="canBeCloned"
           class="gl-ml-3"

app/assets/stylesheets/framework/dropdowns.scss

@@ -1104,3 +1104,12 @@ header.header-content .dropdown-menu.frequent-items-dropdown-menu {
     }
   }
 }
+
+// This class won't be needed once we can directly add utility classes to the child
+// https://github.com/bootstrap-vue/bootstrap-vue/issues/5669
+.gl-dropdown-text-py-0 {
+  .b-dropdown-text {
+    padding-top: 0;
+    padding-bottom: 0;
+  }
+}

changelogs/unreleased/220803-embed-dropdown-snippets.yml

+---
+title: Use dropdown for embed in snippets
+merge_request: 39885
+author:
+type: changed

spec/frontend/blob/components/blob_embeddable_spec.js

-import { shallowMount } from '@vue/test-utils';
-import { GlFormInputGroup } from '@gitlab/ui';
-import BlobEmbeddable from '~/blob/components/blob_embeddable.vue';
-
-describe('Blob Embeddable', () => {
-  let wrapper;
-  const url = 'https://foo.bar';
-
-  function createComponent() {
-    wrapper = shallowMount(BlobEmbeddable, {
-      propsData: {
-        url,
-      },
-    });
-  }
-
-  beforeEach(() => {
-    createComponent();
-  });
-
-  afterEach(() => {
-    wrapper.destroy();
-  });
-
-  it('renders gl-form-input-group component', () => {
-    expect(wrapper.find(GlFormInputGroup).exists()).toBe(true);
-  });
-
-  it('makes up optionValues based on the url prop', () => {
-    expect(wrapper.vm.optionValues).toEqual([
-      { name: 'Embed', value: expect.stringContaining(`${url}.js`) },
-      { name: 'Share', value: url },
-    ]);
-  });
-});

spec/frontend/snippets/components/embed_dropdown_spec.js

+import { escape as esc } from 'lodash';
+import { mount } from '@vue/test-utils';
+import { GlFormInputGroup } from '@gitlab/ui';
+import { TEST_HOST } from 'helpers/test_constants';
+import EmbedDropdown from '~/snippets/components/embed_dropdown.vue';
+
+const TEST_URL = `${TEST_HOST}/test/no">'xss`;
+
+describe('snippets/components/embed_dropdown', () => {
+  let wrapper;
+
+  const createComponent = () => {
+    wrapper = mount(EmbedDropdown, {
+      propsData: {
+        url: TEST_URL,
+      },
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  const findSectionsData = () => {
+    const sections = [];
+    let current = {};
+
+    wrapper.findAll('[data-testid="header"],[data-testid="input"]').wrappers.forEach(x => {
+      const type = x.attributes('data-testid');
+
+      if (type === 'header') {
+        current = {
+          header: x.text(),
+        };
+
+        sections.push(current);
+      } else {
+        const value = x.find(GlFormInputGroup).props('value');
+        const copyValue = x.find('button[title="Copy"]').attributes('data-clipboard-text');
+
+        Object.assign(current, {
+          value,
+          copyValue,
+        });
+      }
+    });
+
+    return sections;
+  };
+
+  it('renders dropdown items', () => {
+    createComponent();
+
+    const embedValue = `<script src="${esc(TEST_URL)}.js"></script>`;
+
+    expect(findSectionsData()).toEqual([
+      {
+        header: 'Embed',
+        value: embedValue,
+        copyValue: embedValue,
+      },
+      {
+        header: 'Share',
+        value: TEST_URL,
+        copyValue: TEST_URL,
+      },
+    ]);
+  });
+});

spec/frontend/snippets/components/show_spec.js

@@ -2,7 +2,7 @@ import { GlLoadingIcon } from '@gitlab/ui';
 import { Blob, BinaryBlob } from 'jest/blob/components/mock_data';
 import { shallowMount } from '@vue/test-utils';
 import SnippetApp from '~/snippets/components/show.vue';
-import BlobEmbeddable from '~/blob/components/blob_embeddable.vue';
+import EmbedDropdown from '~/snippets/components/embed_dropdown.vue';
 import SnippetHeader from '~/snippets/components/snippet_header.vue';
 import SnippetTitle from '~/snippets/components/snippet_title.vue';
 import SnippetBlob from '~/snippets/components/snippet_blob_view.vue';
@@ -57,7 +57,7 @@ describe('Snippet view app', () => {
     expect(wrapper.find(SnippetTitle).exists()).toBe(true);
   });
 
-  it('renders embeddable component if visibility allows', () => {
+  it('renders embed dropdown component if visibility allows', () => {
     createComponent({
       data: {
         snippet: {
@@ -66,7 +66,7 @@ describe('Snippet view app', () => {
         },
       },
     });
-    expect(wrapper.contains(BlobEmbeddable)).toBe(true);
+    expect(wrapper.contains(EmbedDropdown)).toBe(true);
   });
 
   it('renders correct snippet-blob components', () => {
@@ -88,7 +88,7 @@ describe('Snippet view app', () => {
       ${SNIPPET_VISIBILITY_PRIVATE}  | ${'not render'} | ${false}
       ${'foo'}                       | ${'not render'} | ${false}
       ${SNIPPET_VISIBILITY_PUBLIC}   | ${'render'}     | ${true}
-    `('does $condition blob-embeddable by default', ({ visibilityLevel, isRendered }) => {
+    `('does $condition embed-dropdown by default', ({ visibilityLevel, isRendered }) => {
       createComponent({
         data: {
           snippet: {
@@ -97,7 +97,7 @@ describe('Snippet view app', () => {
           },
         },
       });
-      expect(wrapper.contains(BlobEmbeddable)).toBe(isRendered);
+      expect(wrapper.contains(EmbedDropdown)).toBe(isRendered);
     });
   });