Move Devops Score empty into vue

The empty state is currently being handled outside
of the vue app. This commit moves it into the
devops score vue app.

Changelog: changed

app/assets/javascripts/analytics/devops_report/components/devops_score.vue

 <script>
-import { GlBadge, GlTable } from '@gitlab/ui';
+import { GlBadge, GlTable, GlLink, GlEmptyState } from '@gitlab/ui';
 import { GlSingleStat } from '@gitlab/ui/dist/charts';
 import { sprintf, s__ } from '~/locale';
 
@@ -13,11 +13,19 @@ export default {
     GlBadge,
     GlTable,
     GlSingleStat,
+    GlLink,
+    GlEmptyState,
   },
   inject: {
     devopsScoreMetrics: {
       default: null,
     },
+    devopsReportDocsPath: {
+      default: '',
+    },
+    noDataImagePath: {
+      default: '',
+    },
   },
   computed: {
     titleHelperText() {
@@ -28,6 +36,9 @@ export default {
         { timestamp: this.devopsScoreMetrics.createdAt },
       );
     },
+    isEmpty() {
+      return this.devopsScoreMetrics.averageScore === undefined;
+    },
   },
   tableHeaderFields: [
     {
@@ -54,7 +65,19 @@ export default {
 };
 </script>
 <template>
-  <div data-testid="devops-score-app">
+  <gl-empty-state
+    v-if="isEmpty"
+    :title="__('Data is still calculating...')"
+    :svg-path="noDataImagePath"
+  >
+    <template #description>
+      <div>{{ __('It may be several days before you see feature usage data.') }}</div>
+      <gl-link :href="devopsReportDocsPath">{{
+        __('Our documentation includes an example DevOps Score report.')
+      }}</gl-link>
+    </template>
+  </gl-empty-state>
+  <div v-else data-testid="devops-score-app">
     <div class="gl-text-gray-400 gl-my-4" data-testid="devops-score-note-text">
       {{ titleHelperText }}
     </div>

app/assets/javascripts/analytics/devops_report/devops_score.js

@@ -6,12 +6,14 @@ export default () => {
 
   if (!el) return false;
 
-  const { devopsScoreMetrics } = el.dataset;
+  const { devopsScoreMetrics, devopsReportDocsPath, noDataImagePath } = el.dataset;
 
   return new Vue({
     el,
     provide: {
       devopsScoreMetrics: JSON.parse(devopsScoreMetrics),
+      devopsReportDocsPath,
+      noDataImagePath,
     },
     render(h) {
       return h(DevopsScore);

app/assets/javascripts/analytics/devops_report/devops_score_empty_state.js → app/assets/javascripts/analytics/devops_report/devops_score_disabled_usage_ping.js

@@ -6,7 +6,7 @@ export default () => {
   // eslint-disable-next-line no-new
   new UserCallout();
 
-  const emptyStateContainer = document.getElementById('js-devops-empty-state');
+  const emptyStateContainer = document.getElementById('js-devops-usage-ping-disabled');
 
   if (!emptyStateContainer) return false;
 

app/assets/javascripts/pages/admin/dev_ops_report/index.js

 import initDevOpsScore from '~/analytics/devops_report/devops_score';
-import initDevOpsScoreEmptyState from '~/analytics/devops_report/devops_score_empty_state';
+import initDevOpsScoreDisabledUsagePing from '~/analytics/devops_report/devops_score_disabled_usage_ping';
 
-initDevOpsScoreEmptyState();
+initDevOpsScoreDisabledUsagePing();
 initDevOpsScore();

app/assets/stylesheets/page_bundles/dev_ops_report.scss

-@import 'mixins_and_variables_and_functions';
-
-.devops-empty svg {
-  margin: 64px auto 32px;
-  max-width: 420px;
-}

app/helpers/dev_ops_report_helper.rb

@@ -2,12 +2,16 @@
 
 module DevOpsReportHelper
   def devops_score_metrics(metric)
+    if metric.blank?
+      {}
+    else
       {
         averageScore: average_score_data(metric),
         cards: devops_score_card_data(metric),
         createdAt: metric.created_at.strftime('%Y-%m-%d %H:%M')
       }
     end
+  end
 
   private
 

app/views/admin/dev_ops_report/_report.html.haml

@@ -4,9 +4,7 @@
   = render 'callout'
 
 - if !usage_ping_enabled
-  #js-devops-empty-state{ data: { is_admin: current_user&.admin.to_s, empty_state_svg_path: image_path('illustrations/convdev/convdev_no_index.svg'), enable_usage_ping_link: metrics_and_profiling_admin_application_settings_path(anchor: 'js-usage-settings'), docs_link: help_page_path('development/usage_ping/index.md') } }
-- elsif @metric.blank?
-  = render 'no_data'
+  #js-devops-usage-ping-disabled{ data: { is_admin: current_user&.admin.to_s, empty_state_svg_path: image_path('illustrations/convdev/convdev_no_index.svg'), enable_usage_ping_link: metrics_and_profiling_admin_application_settings_path(anchor: 'js-usage-settings'), docs_link: help_page_path('development/usage_ping/index.md') } }
 - else
-  #js-devops-score{ data: { devops_score_metrics: devops_score_metrics(@metric).to_json } }
+  #js-devops-score{ data: { devops_score_metrics: devops_score_metrics(@metric).to_json, devops_report_docs_path: help_page_path('user/admin_area/analytics/dev_ops_report'), no_data_image_path: image_path('dev_ops_report_no_data.svg') } }
 

changelogs/unreleased/271244-fe-devops-report-convert-score-page-to-vue-components-2.yml

+---
+title: Migrate DevOps Score empty state to Vue
+merge_request: 60715
+author:
+type: changed

ee/app/assets/stylesheets/page_bundles/dev_ops_report.scss

-@import '../../../../../app/assets/stylesheets/page_bundles/dev_ops_report';
+@import 'page_bundles/mixins_and_variables_and_functions';
 
 .circle {
   width: $gl-spacing-scale-3;

spec/frontend/admin/analytics/devops_score/components/devops_score_spec.js

-import { GlTable, GlBadge } from '@gitlab/ui';
+import { GlTable, GlBadge, GlEmptyState, GlLink } from '@gitlab/ui';
 import { GlSingleStat } from '@gitlab/ui/dist/charts';
 import { mount } from '@vue/test-utils';
 import { extendedWrapper } from 'helpers/vue_test_utils_helper';
 import DevopsScore from '~/analytics/devops_report/components/devops_score.vue';
-import { createdAt, cards, averageScore, devopsScoreTableHeaders } from '../mock_data';
+import {
+  devopsScoreMetricsData,
+  devopsReportDocsPath,
+  noDataImagePath,
+  devopsScoreTableHeaders,
+} from '../mock_data';
 
 describe('DevopsScore', () => {
   let wrapper;
 
-  const createComponent = () => {
+  const createComponent = ({ devopsScoreMetrics = devopsScoreMetricsData } = {}) => {
     wrapper = extendedWrapper(
       mount(DevopsScore, {
         provide: {
-          devopsScoreMetrics: {
-            createdAt,
-            cards,
-            averageScore,
-          },
+          devopsScoreMetrics,
+          devopsReportDocsPath,
+          noDataImagePath,
         },
       }),
     );
   };
 
   const findTable = () => wrapper.find(GlTable);
+  const findEmptyState = () => wrapper.find(GlEmptyState);
   const findCol = (testId) => findTable().find(`[data-testid="${testId}"]`);
   const findUsageCol = () => findCol('usageCol');
+  const findDevopsScoreApp = () => wrapper.findByTestId('devops-score-app');
 
+  describe('with no data', () => {
+    beforeEach(() => {
+      createComponent({ devopsScoreMetrics: {} });
+    });
+
+    describe('empty state', () => {
+      it('displays the empty state', () => {
+        expect(findEmptyState().exists()).toBe(true);
+      });
+
+      it('displays the correct message', () => {
+        expect(findEmptyState().text()).toBe(
+          'Data is still calculating... It may be several days before you see feature usage data. Our documentation includes an example DevOps Score report.',
+        );
+      });
+
+      it('contains a link to the feature documentation', () => {
+        expect(wrapper.find(GlLink).exists()).toBe(true);
+      });
+    });
+
+    it('does not display the devops score app', () => {
+      expect(findDevopsScoreApp().exists()).toBe(false);
+    });
+  });
+
+  describe('with data', () => {
     beforeEach(() => {
       createComponent();
     });
 
+    it('does not display the empty state', () => {
+      expect(findEmptyState().exists()).toBe(false);
+    });
+
+    it('displays the devops score app', () => {
+      expect(findDevopsScoreApp().exists()).toBe(true);
+    });
+
+    describe('devops score app', () => {
       it('displays the title note', () => {
         expect(wrapper.findByTestId('devops-score-note-text').text()).toBe(
           'DevOps score metrics are based on usage over the last 30 days. Last updated: 2020-06-29 08:16.',
@@ -40,7 +81,7 @@ describe('DevopsScore', () => {
         const component = wrapper.find(GlSingleStat);
 
         expect(component.exists()).toBe(true);
-    expect(component.props('value')).toBe(averageScore.value);
+        expect(component.props('value')).toBe(devopsScoreMetricsData.averageScore.value);
       });
 
       describe('devops score table', () => {
@@ -88,4 +129,6 @@ describe('DevopsScore', () => {
           });
         });
       });
+    });
+  });
 });

spec/frontend/admin/analytics/devops_score/mock_data.js

-export const averageScore = {
-  value: '10',
-  scoreLevel: {
-    label: 'High',
-    icon: 'check-circle',
-    variant: 'success',
-  },
-};
-
-export const cards = [
-  {
-    title: 'Issues created per active user',
-    usage: '3.2',
-    leadInstance: '10.2',
-    score: '0',
-    scoreLevel: {
-      label: 'Low',
-      variant: 'muted',
-    },
-  },
-];
-
-export const createdAt = '2020-06-29 08:16';
-
 export const devopsScoreTableHeaders = [
   {
     index: 0,
@@ -40,3 +16,31 @@ export const devopsScoreTableHeaders = [
     label: 'Score',
   },
 ];
+
+export const devopsScoreMetricsData = {
+  createdAt: '2020-06-29 08:16',
+  cards: [
+    {
+      title: 'Issues created per active user',
+      usage: '3.2',
+      leadInstance: '10.2',
+      score: '0',
+      scoreLevel: {
+        label: 'Low',
+        variant: 'muted',
+      },
+    },
+  ],
+  averageScore: {
+    value: '10',
+    scoreLevel: {
+      label: 'High',
+      icon: 'check-circle',
+      variant: 'success',
+    },
+  },
+};
+
+export const devopsReportDocsPath = 'docs-path';
+
+export const noDataImagePath = 'image-path';

spec/helpers/dev_ops_report_helper_spec.rb

@@ -9,6 +9,9 @@ RSpec.describe DevOpsReportHelper do
 
   describe '#devops_score_metrics' do
     let(:devops_score_metrics) { helper.devops_score_metrics(subject) }
+    let(:devops_score_metrics_blank) { helper.devops_score_metrics({}) }
+
+    it { expect(devops_score_metrics_blank).to eq({}) }
 
     it { expect(devops_score_metrics[:averageScore]).to eq({ scoreLevel: { icon: "status-alert", label: "Moderate", variant: "warning" }, value: "55.9" } ) }