DevOps Report: Add tooltips to table headings

ee/app/assets/javascripts/admin/dev_ops_report/components/devops_adoption_table.vue

 <script>
-import { GlTable, GlButton, GlPopover, GlModalDirective } from '@gitlab/ui';
-import { s__ } from '~/locale';
+import {
+  GlTable,
+  GlButton,
+  GlPopover,
+  GlModalDirective,
+  GlTooltipDirective,
+  GlIcon,
+} from '@gitlab/ui';
 import DevopsAdoptionTableCellFlag from './devops_adoption_table_cell_flag.vue';
 import DevopsAdoptionDeleteModal from './devops_adoption_delete_modal.vue';
 import {
@@ -15,6 +21,19 @@ const fieldOptions = {
   thAttr: { 'data-testid': DEVOPS_ADOPTION_TABLE_TEST_IDS.TABLE_HEADERS },
 };
 
+const { table: i18n } = DEVOPS_ADOPTION_STRINGS;
+
+const headers = [
+  'name',
+  'issueOpened',
+  'mergeRequestOpened',
+  'mergeRequestApproved',
+  'runnerConfigured',
+  'pipelineSucceeded',
+  'deploySucceeded',
+  'securityScanSucceeded',
+].map(key => ({ key, ...i18n.headers[key], ...fieldOptions }));
+
 export default {
   name: 'DevopsAdoptionTable',
   components: {
@@ -23,57 +42,19 @@ export default {
     GlButton,
     GlPopover,
     DevopsAdoptionDeleteModal,
+    GlIcon,
   },
-  i18n: DEVOPS_ADOPTION_STRINGS.table,
+  i18n,
   devopsSegmentModalId: DEVOPS_ADOPTION_SEGMENT_MODAL_ID,
   devopsSegmentDeleteModalId: DEVOPS_ADOPTION_SEGMENT_DELETE_MODAL_ID,
   directives: {
+    GlTooltip: GlTooltipDirective,
     GlModal: GlModalDirective,
   },
   tableHeaderFields: [
-    {
-      key: 'name',
-      label: s__('DevopsAdoption|Segment'),
-      ...fieldOptions,
-    },
-    {
-      key: 'issueOpened',
-      label: s__('DevopsAdoption|Issues'),
-      ...fieldOptions,
-    },
-    {
-      key: 'mergeRequestOpened',
-      label: s__('DevopsAdoption|MRs'),
-      ...fieldOptions,
-    },
-    {
-      key: 'mergeRequestApproved',
-      label: s__('DevopsAdoption|Approvals'),
-      ...fieldOptions,
-    },
-    {
-      key: 'runnerConfigured',
-      label: s__('DevopsAdoption|Runners'),
-      ...fieldOptions,
-    },
-    {
-      key: 'pipelineSucceeded',
-      label: s__('DevopsAdoption|Pipelines'),
-      ...fieldOptions,
-    },
-    {
-      key: 'deploySucceeded',
-      label: s__('DevopsAdoption|Deploys'),
-      ...fieldOptions,
-    },
-    {
-      key: 'securityScanSucceeded',
-      label: s__('DevopsAdoption|Scanning'),
-      ...fieldOptions,
-    },
+    ...headers,
     {
       key: 'actions',
-      label: '',
       tdClass: 'actions-cell',
       ...fieldOptions,
     },
@@ -100,6 +81,9 @@ export default {
     setSelectedSegment(segment) {
       this.$emit('set-selected-segment', segment);
     },
+    slotName(key) {
+      return `head(${key})`;
+    },
   },
 };
 </script>
@@ -111,6 +95,19 @@ export default {
       thead-class="gl-border-t-0 gl-border-b-solid gl-border-b-1 gl-border-b-gray-100"
       stacked="sm"
     >
+      <template v-for="header in $options.tableHeaderFields" #[slotName(header.key)]>
+        <div :key="header.key" class="gl-display-flex gl-align-items-center">
+          <span>{{ header.label }}</span>
+          <gl-icon
+            v-if="header.tooltip"
+            v-gl-tooltip.hover="header.tooltip"
+            name="information-o"
+            class="gl-text-gray-200 gl-ml-1"
+            :size="14"
+          />
+        </div>
+      </template>
+
       <template #cell(name)="{ item }">
         <div :data-testid="$options.testids.SEGMENT">
           <strong>{{ item.name }}</strong>

ee/app/assets/javascripts/admin/dev_ops_report/constants.js

@@ -52,6 +52,39 @@ export const DEVOPS_ADOPTION_STRINGS = {
   table: {
     editButton: s__('DevopsAdoption|Edit segment'),
     deleteButton: s__('DevopsAdoption|Delete segment'),
+    headers: {
+      name: {
+        label: s__('DevopsAdoption|Segment'),
+      },
+      issueOpened: {
+        label: s__('DevopsAdoption|Issues'),
+        tooltip: s__('DevopsAdoption|At least 1 issue opened'),
+      },
+      mergeRequestOpened: {
+        label: s__('DevopsAdoption|MRs'),
+        tooltip: s__('DevopsAdoption|At least 1 MR opened'),
+      },
+      mergeRequestApproved: {
+        label: s__('DevopsAdoption|Approvals'),
+        tooltip: s__('DevopsAdoption|At least 1 approval on an MR'),
+      },
+      runnerConfigured: {
+        label: s__('DevopsAdoption|Runners'),
+        tooltip: s__('DevopsAdoption|Runner configured for project/group'),
+      },
+      pipelineSucceeded: {
+        label: s__('DevopsAdoption|Pipelines'),
+        tooltip: s__('DevopsAdoption|At least 1 pipeline successfully run'),
+      },
+      deploySucceeded: {
+        label: s__('DevopsAdoption|Deploys'),
+        tooltip: s__('DevopsAdoption|At least 1 deploy'),
+      },
+      securityScanSucceeded: {
+        label: s__('DevopsAdoption|Scanning'),
+        tooltip: s__('DevopsAdoption|At least 1 security scan of any type run in pipeline'),
+      },
+    },
   },
   deleteModal: {
     title: s__('DevopsAdoption|Confirm delete segment'),

ee/spec/frontend/admin/dev_ops_report/components/devops_adoption_table_spec.js

-import { GlTable, GlButton } from '@gitlab/ui';
+import { GlTable, GlButton, GlIcon } from '@gitlab/ui';
 import { mount } from '@vue/test-utils';
+import { createMockDirective, getBinding } from 'helpers/vue_mock_directive';
 import DevopsAdoptionTable from 'ee/admin/dev_ops_report/components/devops_adoption_table.vue';
 import DevopsAdoptionTableCellFlag from 'ee/admin/dev_ops_report/components/devops_adoption_table_cell_flag.vue';
 import { DEVOPS_ADOPTION_TABLE_TEST_IDS as TEST_IDS } from 'ee/admin/dev_ops_report/constants';
@@ -13,6 +14,9 @@ describe('DevopsAdoptionTable', () => {
       propsData: {
         segments: devopsAdoptionSegmentsData.nodes,
       },
+      directives: {
+        GlTooltip: createMockDirective(),
+      },
     });
   };
 
@@ -32,13 +36,48 @@ describe('DevopsAdoptionTable', () => {
   const findColSubComponent = (colTestId, childComponent) =>
     findCol(colTestId).find(childComponent);
 
-  it('displays the correct table headers', () => {
-    const headers = findTable().findAll(`[data-testid="${TEST_IDS.TABLE_HEADERS}"]`);
+  describe('table headings', () => {
+    let headers;
 
+    beforeEach(() => {
+      headers = findTable().findAll(`[data-testid="${TEST_IDS.TABLE_HEADERS}"]`);
+    });
+
+    it('displays the correct number of headings', () => {
       expect(headers).toHaveLength(devopsAdoptionTableHeaders.length);
+    });
+
+    describe.each(devopsAdoptionTableHeaders)(
+      'header fields',
+      ({ label, tooltip: tooltipText, index }) => {
+        let headerWrapper;
+
+        beforeEach(() => {
+          headerWrapper = headers.at(index);
+        });
 
-    devopsAdoptionTableHeaders.forEach((headerText, i) =>
-      expect(headers.at(i).text()).toEqual(headerText),
+        it(`displays the correct table heading text for "${label}"`, () => {
+          expect(headerWrapper.text()).toBe(label);
+        });
+
+        describe(`helper information for "${label}"`, () => {
+          const expected = Boolean(tooltipText);
+
+          it(`${expected ? 'displays' : "doesn't display"} an information icon`, () => {
+            expect(headerWrapper.find(GlIcon).exists()).toBe(expected);
+          });
+
+          if (expected) {
+            it('includes a tooltip', () => {
+              const icon = headerWrapper.find(GlIcon);
+              const tooltip = getBinding(icon.element, 'gl-tooltip');
+
+              expect(tooltip).toBeDefined();
+              expect(tooltip.value).toBe(tooltipText);
+            });
+          }
+        });
+      },
     );
   });
 

ee/spec/frontend/admin/dev_ops_report/mock_data.js

@@ -66,15 +66,51 @@ export const devopsAdoptionSegmentsDataEmpty = {
 };
 
 export const devopsAdoptionTableHeaders = [
-  'Segment',
-  'Issues',
-  'MRs',
-  'Approvals',
-  'Runners',
-  'Pipelines',
-  'Deploys',
-  'Scanning',
-  '',
+  {
+    index: 0,
+    label: 'Segment',
+    tooltip: null,
+  },
+  {
+    index: 1,
+    label: 'Issues',
+    tooltip: 'At least 1 issue opened',
+  },
+  {
+    index: 2,
+    label: 'MRs',
+    tooltip: 'At least 1 MR opened',
+  },
+  {
+    index: 3,
+    label: 'Approvals',
+    tooltip: 'At least 1 approval on an MR',
+  },
+  {
+    index: 4,
+    label: 'Runners',
+    tooltip: 'Runner configured for project/group',
+  },
+  {
+    index: 5,
+    label: 'Pipelines',
+    tooltip: 'At least 1 pipeline successfully run',
+  },
+  {
+    index: 6,
+    label: 'Deploys',
+    tooltip: 'At least 1 deploy',
+  },
+  {
+    index: 7,
+    label: 'Scanning',
+    tooltip: 'At least 1 security scan of any type run in pipeline',
+  },
+  {
+    index: 8,
+    label: '',
+    tooltip: null,
+  },
 ];
 
 export const segmentName = 'Foooo';

locale/gitlab.pot

@@ -9619,6 +9619,24 @@ msgstr ""
 msgid "DevopsAdoption|Are you sure that you would like to delete %{name}?"
 msgstr ""
 
+msgid "DevopsAdoption|At least 1 MR opened"
+msgstr ""
+
+msgid "DevopsAdoption|At least 1 approval on an MR"
+msgstr ""
+
+msgid "DevopsAdoption|At least 1 deploy"
+msgstr ""
+
+msgid "DevopsAdoption|At least 1 issue opened"
+msgstr ""
+
+msgid "DevopsAdoption|At least 1 pipeline successfully run"
+msgstr ""
+
+msgid "DevopsAdoption|At least 1 security scan of any type run in pipeline"
+msgstr ""
+
 msgid "DevopsAdoption|Confirm delete segment"
 msgstr ""
 
@@ -9664,6 +9682,9 @@ msgstr ""
 msgid "DevopsAdoption|Pipelines"
 msgstr ""
 
+msgid "DevopsAdoption|Runner configured for project/group"
+msgstr ""
+
 msgid "DevopsAdoption|Runners"
 msgstr ""