Add specs for components

- Fill in slot for ide file row & remove unused prop from file_row
- Add spec test to ide_file_row
- Remove un-needed test from file_row

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/24423

app/assets/javascripts/diffs/components/diff_file_row.vue

@@ -4,14 +4,34 @@
  * https://gitlab.com/gitlab-org/gitlab/-/merge_requests/23720
  */
 import FileRow from '~/vue_shared/components/file_row.vue';
+import FileRowStats from './file_row_stats.vue';
 
 export default {
+  name: 'DiffFileRow',
   components: {
     FileRow,
+    FileRowStats,
+  },
+  props: {
+    file: {
+      type: Object,
+      required: true,
+    },
+    hideFileStats: {
+      type: Boolean,
+      required: true,
+    },
+  },
+  computed: {
+    showFileRowStats() {
+      return !this.hideFileStats && this.file.type === 'blob';
+    },
   },
 };
 </script>
 
 <template>
-  <file-row v-bind="$attrs" v-on="$listeners" />
+  <file-row :file="file" :hide-file-stats="hideFileStats" v-bind="$attrs" v-on="$listeners">
+    <file-row-stats v-if="showFileRowStats" :file="file" />
+  </file-row>
 </template>

app/assets/javascripts/diffs/components/tree_list.vue

@@ -5,7 +5,6 @@ import { s__, sprintf } from '~/locale';
 import Icon from '~/vue_shared/components/icon.vue';
 import FileTree from '~/vue_shared/components/file_tree.vue';
 import DiffFileRow from './diff_file_row.vue';
-import FileRowStats from './file_row_stats.vue';
 
 export default {
   directives: {
@@ -49,9 +48,6 @@ export default {
         return acc;
       }, []);
     },
-    fileRowExtraComponent() {
-      return this.hideFileStats ? null : FileRowStats;
-    },
   },
   methods: {
     ...mapActions('diffs', ['toggleTreeOpen', 'scrollToFile']),
@@ -98,8 +94,8 @@ export default {
           :key="file.key"
           :file="file"
           :level="0"
+          :hide-file-stats="hideFileStats"
           :hide-extra-on-tree="true"
-          :extra-component="fileRowExtraComponent"
           :show-changed-icon="true"
           :file-row-component="$options.DiffFileRow"
           @toggleTreeOpen="toggleTreeOpen"

app/assets/javascripts/ide/components/ide_file_row.vue

@@ -4,14 +4,35 @@
  * https://gitlab.com/gitlab-org/gitlab/-/merge_requests/23720
  */
 import FileRow from '~/vue_shared/components/file_row.vue';
+import FileRowExtra from './file_row_extra.vue';
 
 export default {
+  name: 'IdeFileRow',
   components: {
     FileRow,
+    FileRowExtra,
+  },
+  props: {
+    file: {
+      type: Object,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      dropdownOpen: false,
+    };
+  },
+  methods: {
+    toggleDropdown(val) {
+      this.dropdownOpen = val;
+    },
   },
 };
 </script>
 
 <template>
-  <file-row v-bind="$attrs" v-on="$listeners" />
+  <file-row :file="file" v-bind="$attrs" @mouseleave="toggleDropdown(false)" v-on="$listeners">
+    <file-row-extra :file="file" :dropdown-open="dropdownOpen" @toggle="toggleDropdown($event)" />
+  </file-row>
 </template>

app/assets/javascripts/ide/components/ide_tree_list.vue

@@ -4,7 +4,6 @@ import { GlSkeletonLoading } from '@gitlab/ui';
 import FileTree from '~/vue_shared/components/file_tree.vue';
 import IdeFileRow from './ide_file_row.vue';
 import NavDropdown from './nav_dropdown.vue';
-import FileRowExtra from './file_row_extra.vue';
 
 export default {
   components: {
@@ -36,7 +35,6 @@ export default {
   methods: {
     ...mapActions(['updateViewer', 'toggleTreeOpen']),
   },
-  FileRowExtra,
   IdeFileRow,
 };
 </script>
@@ -60,7 +58,6 @@ export default {
             :key="file.key"
             :file="file"
             :level="0"
-            :extra-component="$options.FileRowExtra"
             :file-row-component="$options.IdeFileRow"
             @toggleTreeOpen="toggleTreeOpen"
           />

app/assets/javascripts/vue_shared/components/file_row.vue

 <script>
-import Icon from '~/vue_shared/components/icon.vue';
 import FileHeader from '~/vue_shared/components/file_row_header.vue';
 import FileIcon from '~/vue_shared/components/file_icon.vue';
 import ChangedFileIcon from '~/vue_shared/components/changed_file_icon.vue';
@@ -9,7 +8,6 @@ export default {
   components: {
     FileHeader,
     FileIcon,
-    Icon,
     ChangedFileIcon,
   },
   props: {
@@ -21,27 +19,12 @@ export default {
       type: Number,
       required: true,
     },
-    extraComponent: {
-      type: Object,
-      required: false,
-      default: null,
-    },
-    hideExtraOnTree: {
-      type: Boolean,
-      required: false,
-      default: false,
-    },
     showChangedIcon: {
       type: Boolean,
       required: false,
       default: false,
     },
   },
-  data() {
-    return {
-      dropdownOpen: false,
-    };
-  },
   computed: {
     isTree() {
       return this.file.type === 'tree';
@@ -120,9 +103,6 @@ export default {
 
       return this.$router.currentRoute.path === `/project${this.file.url}`;
     },
-    toggleDropdown(val) {
-      this.dropdownOpen = val;
-    },
   },
 };
 </script>
@@ -136,7 +116,7 @@ export default {
     class="file-row"
     role="button"
     @click="clickFile"
-    @mouseleave="toggleDropdown(false)"
+    @mouseleave="$emit('mouseleave', $event)"
   >
     <div class="file-row-name-container">
       <span ref="textOutput" :style="levelIndentation" class="file-row-name str-truncated">
@@ -152,13 +132,7 @@ export default {
         <changed-file-icon v-else :file="file" :size="16" class="append-right-5" />
         {{ file.name }}
       </span>
-      <component
-        :is="extraComponent"
-        v-if="extraComponent && !(hideExtraOnTree && file.type === 'tree')"
-        :file="file"
-        :dropdown-open="dropdownOpen"
-        @toggle="toggleDropdown($event)"
-      />
+      <slot></slot>
     </div>
   </div>
 </template>

spec/frontend/diffs/components/diff_file_row_spec.js

 import { shallowMount } from '@vue/test-utils';
 import DiffFileRow from '~/diffs/components/diff_file_row.vue';
 import FileRow from '~/vue_shared/components/file_row.vue';
+import FileRowStats from '~/diffs/components/file_row_stats.vue';
 
 describe('Diff File Row component', () => {
   let wrapper;
@@ -16,10 +17,42 @@ describe('Diff File Row component', () => {
   });
 
   it('renders file row component', () => {
-    createComponent({
+    const sharedProps = {
       level: 4,
       file: {},
+    };
+
+    const diffFileRowProps = {
+      hideFileStats: false,
+    };
+
+    createComponent({
+      ...sharedProps,
+      ...diffFileRowProps,
+    });
+
+    expect(wrapper.find(FileRow).props()).toEqual(
+      expect.objectContaining({
+        ...sharedProps,
+      }),
+    );
+  });
+
+  describe('FileRowStats components', () => {
+    it.each`
+      type      | hideFileStats | value    | desc
+      ${'blob'} | ${false}      | ${true}  | ${'is shown if file type is blob'}
+      ${'tree'} | ${false}      | ${false} | ${'is hidden if file is not blob'}
+      ${'blob'} | ${true}       | ${false} | ${'is hidden if hideFileStats is true'}
+    `('$desc', ({ type, value, hideFileStats }) => {
+      createComponent({
+        level: 4,
+        file: {
+          type,
+        },
+        hideFileStats,
+      });
+      expect(wrapper.find(FileRowStats).exists()).toEqual(value);
     });
-    expect(wrapper.find(FileRow).exists()).toEqual(true);
   });
 });

spec/frontend/helpers/dom_shims/element_scroll_into_view.js

+Element.prototype.scrollIntoView = jest.fn();

spec/frontend/helpers/dom_shims/index.js

+import './element_scroll_into_view';
 import './get_client_rects';
 import './inner_text';
 import './window_scroll_to';

spec/frontend/ide/components/ide_file_row_spec.js

-import { shallowMount } from '@vue/test-utils';
+import { createLocalVue, mount } from '@vue/test-utils';
+import Vuex from 'vuex';
 import IdeFileRow from '~/ide/components/ide_file_row.vue';
 import FileRow from '~/vue_shared/components/file_row.vue';
+import FileRowExtra from '~/ide/components/file_row_extra.vue';
+import { createStore } from '~/ide/stores';
+
+const localVue = createLocalVue();
+localVue.use(Vuex);
+
+const TEST_EXTRA_PROPS = {
+  testattribute: 'abc',
+};
+
+const defaultComponentProps = (type = 'tree') => ({
+  level: 4,
+  file: {
+    type,
+    name: 'js',
+  },
+});
 
 describe('Ide File Row component', () => {
   let wrapper;
 
-  const createComponent = (props = {}) => {
-    wrapper = shallowMount(IdeFileRow, {
-      propsData: { ...props },
+  const createComponent = (props = {}, options = {}) => {
+    wrapper = mount(IdeFileRow, {
+      propsData: {
+        ...defaultComponentProps(),
+        ...props,
+      },
+      store: createStore(),
+      localVue,
+      ...options,
     });
   };
 
   afterEach(() => {
     wrapper.destroy();
+    wrapper = null;
+  });
+
+  const findFileRowExtra = () => wrapper.find(FileRowExtra);
+  const findFileRow = () => wrapper.find(FileRow);
+  const hasDropdownOpen = () => findFileRowExtra().props('dropdownOpen');
+
+  it('fileRow component has listeners', () => {
+    const toggleTreeOpen = jest.fn();
+    createComponent(
+      {},
+      {
+        listeners: {
+          toggleTreeOpen,
+        },
+      },
+    );
+
+    findFileRow().vm.$emit('toggleTreeOpen');
+
+    return wrapper.vm.$nextTick().then(() => {
+      expect(toggleTreeOpen).toHaveBeenCalled();
+    });
+  });
+
+  describe('default', () => {
+    beforeEach(() => {
+      createComponent(TEST_EXTRA_PROPS);
     });
 
     it('renders file row component', () => {
-    createComponent({
-      level: 4,
-      file: {},
+      const fileRow = findFileRow();
+
+      expect(fileRow.props()).toEqual(expect.objectContaining(defaultComponentProps()));
+      expect(fileRow.attributes()).toEqual(expect.objectContaining(TEST_EXTRA_PROPS));
+    });
+
+    it('renders file row extra', () => {
+      const extra = findFileRowExtra();
+
+      expect(extra.exists()).toBe(true);
+      expect(extra.props()).toEqual({
+        file: defaultComponentProps().file,
+        dropdownOpen: false,
+      });
+    });
+  });
+
+  describe('with open dropdown', () => {
+    beforeEach(() => {
+      createComponent();
+
+      findFileRowExtra().vm.$emit('toggle', true);
+
+      return wrapper.vm.$nextTick();
+    });
+
+    it('shows open dropdown', () => {
+      expect(hasDropdownOpen()).toBe(true);
+    });
+
+    it('hides dropdown when mouseleave', () => {
+      findFileRow().vm.$emit('mouseleave');
+
+      return wrapper.vm.$nextTick().then(() => {
+        expect(hasDropdownOpen()).toEqual(false);
+      });
+    });
+
+    it('hides dropdown on toggle', () => {
+      findFileRowExtra().vm.$emit('toggle', false);
+
+      return wrapper.vm.$nextTick().then(() => {
+        expect(hasDropdownOpen()).toEqual(false);
+      });
     });
-    expect(wrapper.find(FileRow).exists()).toEqual(true);
   });
 });

spec/javascripts/vue_shared/components/file_row_spec.js

 import Vue from 'vue';
 import { file } from 'spec/ide/helpers';
 import FileRow from '~/vue_shared/components/file_row.vue';
-import FileRowExtra from '~/ide/components/file_row_extra.vue';
 import mountComponent from '../../helpers/vue_mount_component_helper';
 
 describe('File row component', () => {
@@ -17,9 +16,6 @@ describe('File row component', () => {
     vm.$destroy();
   });
 
-  const findNewDropdown = () => vm.$el.querySelector('.ide-new-btn .dropdown');
-  const findNewDropdownButton = () => vm.$el.querySelector('.ide-new-btn .dropdown button');
-
   it('renders name', () => {
     createComponent({
       file: file('t4'),
@@ -88,59 +84,4 @@ describe('File row component', () => {
 
     expect(vm.$el.classList).toContain('js-file-row-header');
   });
-
-  describe('new dropdown', () => {
-    beforeEach(() => {
-      createComponent({
-        file: file('t5'),
-        level: 1,
-        extraComponent: FileRowExtra,
-      });
-    });
-
-    it('renders in extra component', () => {
-      expect(findNewDropdown()).not.toBe(null);
-    });
-
-    it('is hidden at start', () => {
-      expect(findNewDropdown()).not.toHaveClass('show');
-    });
-
-    it('is opened when button is clicked', done => {
-      expect(vm.dropdownOpen).toBe(false);
-      findNewDropdownButton().dispatchEvent(new Event('click'));
-
-      vm.$nextTick()
-        .then(() => {
-          expect(vm.dropdownOpen).toBe(true);
-          expect(findNewDropdown()).toHaveClass('show');
-        })
-        .then(done)
-        .catch(done.fail);
-    });
-
-    describe('when opened', () => {
-      beforeEach(() => {
-        vm.dropdownOpen = true;
-      });
-
-      it('stays open when button triggers mouseout', () => {
-        findNewDropdownButton().dispatchEvent(new Event('mouseout'));
-
-        expect(vm.dropdownOpen).toBe(true);
-      });
-
-      it('stays open when button triggers mouseleave', () => {
-        findNewDropdownButton().dispatchEvent(new Event('mouseleave'));
-
-        expect(vm.dropdownOpen).toBe(true);
-      });
-
-      it('closes when row triggers mouseleave', () => {
-        vm.$el.dispatchEvent(new Event('mouseleave'));
-
-        expect(vm.dropdownOpen).toBe(false);
-      });
-    });
-  });
 });