Refactor load performance widget to use extensions

app/assets/javascripts/vue_merge_request_widget/components/extensions/base.vue

@@ -160,7 +160,12 @@ export default {
         wclass="report-block-list"
         class="report-block-container"
       >
-        <li v-for="data in fullData" :key="data.id" class="gl-display-flex gl-align-items-center">
+        <li
+          v-for="data in fullData"
+          :key="data.id"
+          class="gl-display-flex gl-align-items-center"
+          data-testid="extension-list-item"
+        >
           <status-icon v-if="data.icon" :icon-name="data.icon.name" :size="12" />
           <div class="gl-mt-2 gl-mb-2 gl-flex-wrap gl-align-self-center gl-display-flex">
             <div v-safe-html="data.text" class="gl-mr-4"></div>

config/feature_flags/development/refactor_mr_widgets_extensions.yml

+---
+name: refactor_mr_widgets_extensions
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/70993
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/341759
+milestone: '14.4'
+type: development
+group: group::code review
+default_enabled: false

config/feature_flags/development/refactor_mr_widgets_extensions_user.yml

+---
+name: refactor_mr_widgets_extensions_user
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/70993
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/341759
+milestone: '14.4'
+type: development
+group: group::code review
+default_enabled: false

ee/app/assets/javascripts/vue_merge_request_widget/extensions/load_performance/index.js

+import { s__, sprintf, n__ } from '~/locale';
+import axios from '~/lib/utils/axios_utils';
+import { formattedChangeInPercent } from '~/lib/utils/number_utils';
+import { EXTENSION_ICONS } from '~/vue_merge_request_widget/constants';
+
+export default {
+  name: 'WidgetLoadPerformance',
+  props: ['loadPerformance'],
+  computed: {
+    summary() {
+      const { improved, degraded, same } = this.collapsedData;
+      const changesFound = improved.length + degraded.length + same.length;
+      const text = sprintf(
+        n__(
+          'ciReport|Load performance test metrics detected %{strongStart}%{changesFound}%{strongEnd} change',
+          'ciReport|Load performance test metrics detected %{strongStart}%{changesFound}%{strongEnd} changes',
+          changesFound,
+        ),
+        {
+          changesFound,
+          strongStart: `<strong>`,
+          strongEnd: `</strong>`,
+        },
+        false,
+      );
+
+      const reportNumbers = [];
+
+      if (degraded.length > 0) {
+        reportNumbers.push(
+          `<strong class="gl-text-red-500">${sprintf(s__('ciReport|%{degradedNum} degraded'), {
+            degradedNum: degraded.length,
+          })}</strong>`,
+        );
+      }
+
+      if (same.length > 0) {
+        reportNumbers.push(
+          `<strong class="gl-text-gray-700">${sprintf(s__('ciReport|%{sameNum} same'), {
+            sameNum: same.length,
+          })}</strong>`,
+        );
+      }
+
+      if (improved.length > 0) {
+        reportNumbers.push(
+          `<strong class="gl-text-green-500">${sprintf(s__('ciReport|%{improvedNum} improved'), {
+            improvedNum: improved.length,
+          })}</strong>`,
+        );
+      }
+
+      return `${text}
+      <br>
+      ${reportNumbers.join(', ')}
+      `;
+    },
+    statusIcon() {
+      if (this.collapsedData.degraded.length || this.collapsedData.same.length) {
+        return EXTENSION_ICONS.warning;
+      }
+      return EXTENSION_ICONS.success;
+    },
+  },
+  methods: {
+    fetchCollapsedData() {
+      return Promise.all([
+        this.fetchReport(this.loadPerformance?.head_path),
+        this.fetchReport(this.loadPerformance?.base_path),
+      ]).then((values) => {
+        return this.compareLoadPerformanceMetrics(values[0], values[1]);
+      });
+    },
+    fetchFullData() {
+      const { improved, degraded, same } = this.collapsedData;
+
+      return Promise.resolve([...improved, ...degraded, ...same]);
+    },
+    compareLoadPerformanceMetrics(headMetrics, baseMetrics) {
+      const headMetricsIndexed = this.normalizeLoadPerformanceMetrics(headMetrics);
+      const baseMetricsIndexed = this.normalizeLoadPerformanceMetrics(baseMetrics);
+      const improved = [];
+      const degraded = [];
+      const same = [];
+
+      Object.keys(headMetricsIndexed).forEach((metric) => {
+        const headMetricData = headMetricsIndexed[metric];
+        if (metric in baseMetricsIndexed) {
+          const baseMetricData = baseMetricsIndexed[metric];
+          const metricData = {
+            name: metric,
+            score: headMetricData,
+            delta: parseFloat((parseFloat(headMetricData) - parseFloat(baseMetricData)).toFixed(2)),
+          };
+
+          if (metricData.delta !== 0.0) {
+            const isImproved = [s__('ciReport|RPS'), s__('ciReport|Checks')].includes(metric)
+              ? metricData.delta > 0
+              : metricData.delta < 0;
+
+            if (isImproved) {
+              improved.push(
+                this.prepareMetricData(metricData, {
+                  name: EXTENSION_ICONS.success,
+                }),
+              );
+            } else {
+              degraded.push(
+                this.prepareMetricData(metricData, {
+                  name: EXTENSION_ICONS.failed,
+                }),
+              );
+            }
+          } else {
+            same.push(
+              this.prepareMetricData(metricData, {
+                name: EXTENSION_ICONS.neutral,
+              }),
+            );
+          }
+        }
+      });
+
+      return { improved, degraded, same };
+    },
+
+    // normalize load performance metrics for comsumption
+    normalizeLoadPerformanceMetrics(loadPerformanceData) {
+      if (!('metrics' in loadPerformanceData)) return {};
+
+      const { metrics } = loadPerformanceData;
+      const indexedMetrics = {};
+
+      Object.keys(loadPerformanceData.metrics).forEach((metric) => {
+        switch (metric) {
+          case 'http_reqs':
+            indexedMetrics[s__('ciReport|RPS')] = metrics.http_reqs.rate;
+            break;
+          case 'http_req_waiting':
+            indexedMetrics[s__('ciReport|TTFB P90')] = metrics.http_req_waiting['p(90)'];
+            indexedMetrics[s__('ciReport|TTFB P95')] = metrics.http_req_waiting['p(95)'];
+            break;
+          case 'checks':
+            indexedMetrics[s__('ciReport|Checks')] = `${(
+              (metrics.checks.passes / (metrics.checks.passes + metrics.checks.fails)) *
+              100.0
+            ).toFixed(2)}%`;
+            break;
+          default:
+            break;
+        }
+      });
+
+      return indexedMetrics;
+    },
+    prepareMetricData(metricData, icon) {
+      const preparedMetricData = metricData;
+
+      const prefix = metricData.score ? `${metricData.name}:` : metricData.name;
+      const score = metricData.score
+        ? `<strong>${this.formatScore(metricData.score)}</strong>`
+        : '';
+      const delta = metricData.delta ? `(${this.formatScore(metricData.delta)})` : '';
+      let deltaPercent = '';
+
+      if (metricData.delta && metricData.score) {
+        const oldScore = parseFloat(metricData.score) - metricData.delta;
+        deltaPercent = `(${formattedChangeInPercent(oldScore, metricData.score)})`;
+      }
+
+      const text = `${prefix} ${score} ${delta} ${deltaPercent}`;
+
+      preparedMetricData.icon = icon;
+      preparedMetricData.text = text;
+
+      return preparedMetricData;
+    },
+    formatScore(value) {
+      if (Number(value) && !Number.isInteger(value)) {
+        return (Math.floor(parseFloat(value) * 100) / 100).toFixed(2);
+      }
+      return value;
+    },
+    fetchReport(endpoint) {
+      return axios.get(endpoint).then((res) => res.data);
+    },
+  },
+};

ee/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue

@@ -2,12 +2,14 @@
 import { GlSprintf, GlLink, GlSafeHtmlDirective } from '@gitlab/ui';
 import MrWidgetLicenses from 'ee/vue_shared/license_compliance/mr_widget_license_report.vue';
 import reportsMixin from 'ee/vue_shared/security_reports/mixins/reports_mixin';
+import { registerExtension } from '~/vue_merge_request_widget/components/extensions';
 import { s__, __, sprintf } from '~/locale';
 import CEWidgetOptions from '~/vue_merge_request_widget/mr_widget_options.vue';
 import MrWidgetEnableFeaturePrompt from './components/states/mr_widget_enable_feature_prompt.vue';
 import MrWidgetJiraAssociationMissing from './components/states/mr_widget_jira_association_missing.vue';
 import MrWidgetPolicyViolation from './components/states/mr_widget_policy_violation.vue';
 import MrWidgetGeoSecondaryNode from './components/states/mr_widget_secondary_geo_node.vue';
+import loadPerformanceExtension from './extensions/load_performance';
 
 export default {
   components: {
@@ -184,11 +186,21 @@ export default {
     },
     hasLoadPerformancePaths(newVal) {
       if (newVal) {
+        this.registerLoadPerformance();
         this.fetchLoadPerformance();
       }
     },
   },
   methods: {
+    registerLoadPerformance() {
+      const shouldShowExtension =
+        window.gon.features.refactorMrWidgetsExtensions ||
+        window.gon.features.refactorMrWidgetsExtensionsUser;
+
+      if (shouldShowExtension) {
+        registerExtension(loadPerformanceExtension);
+      }
+    },
     getServiceEndpoints(store) {
       const base = CEWidgetOptions.methods.getServiceEndpoints(store);
 

ee/app/controllers/ee/projects/merge_requests_controller.rb

@@ -12,6 +12,8 @@ module EE
           experiment(:security_reports_mr_widget_prompt, namespace: @project.namespace).publish
           push_frontend_feature_flag(:anonymous_visual_review_feedback)
           push_frontend_feature_flag(:missing_mr_security_scan_types, @project)
+          push_frontend_feature_flag(:refactor_mr_widgets_extensions, @project, default_enabled: :yaml)
+          push_frontend_feature_flag(:refactor_mr_widgets_extensions_user, current_user, default_enabled: :yaml)
         end
 
         before_action :authorize_read_pipeline!, only: [:container_scanning_reports, :dependency_scanning_reports,

ee/spec/frontend/vue_mr_widget/extensions/load_performance/index_spec.js

+import { mount } from '@vue/test-utils';
+import MockAdapter from 'axios-mock-adapter';
+import { nextTick } from 'vue';
+import axios from '~/lib/utils/axios_utils';
+import extensionsContainer from '~/vue_merge_request_widget/components/extensions/container';
+import { registerExtension } from '~/vue_merge_request_widget/components/extensions';
+import loadPerformanceExtension from 'ee/vue_merge_request_widget/extensions/load_performance';
+import waitForPromises from 'helpers/wait_for_promises';
+import { baseLoadPerformance, headLoadPerformance } from '../../mock_data';
+
+describe('Load performance extension', () => {
+  let wrapper;
+  let mock;
+
+  const DEFAULT_LOAD_PERFORMANCE = {
+    head_path: 'head.json',
+    base_path: 'base.json',
+  };
+
+  const createComponent = () => {
+    wrapper = mount(extensionsContainer, {
+      propsData: {
+        mr: {
+          loadPerformance: {
+            ...DEFAULT_LOAD_PERFORMANCE,
+          },
+        },
+      },
+    });
+  };
+
+  beforeEach(() => {
+    createComponent();
+
+    mock = new MockAdapter(axios);
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('summary', () => {
+    it('should render info about all issues', async () => {
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.head_path).reply(200, headLoadPerformance);
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.base_path).reply(200, baseLoadPerformance);
+
+      registerExtension(loadPerformanceExtension);
+
+      await waitForPromises();
+
+      expect(wrapper.text()).toContain('Load performance test metrics detected 4 changes');
+      expect(wrapper.text()).toContain('1 degraded, 1 same, 2 improved');
+    });
+
+    it('should render info about fixed issues', async () => {
+      const head = {
+        metrics: {
+          checks: {
+            fails: 0,
+            passes: 100,
+            value: 0,
+          },
+        },
+      };
+      const base = {
+        metrics: {
+          checks: {
+            fails: 2,
+            passes: 55,
+            value: 0,
+          },
+        },
+      };
+
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.head_path).reply(200, head);
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.base_path).reply(200, base);
+
+      registerExtension(loadPerformanceExtension);
+
+      await waitForPromises();
+
+      expect(wrapper.text()).toContain('Load performance test metrics detected 1 change');
+      expect(wrapper.text()).toContain('1 improved');
+    });
+
+    it('should render info about added issues', async () => {
+      const head = {
+        metrics: {
+          checks: {
+            fails: 1,
+            passes: 100,
+            value: 0,
+          },
+        },
+      };
+      const base = {
+        metrics: {
+          checks: {
+            fails: 0,
+            passes: 55,
+            value: 0,
+          },
+        },
+      };
+
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.head_path).reply(200, head);
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.base_path).reply(200, base);
+
+      registerExtension(loadPerformanceExtension);
+
+      await waitForPromises();
+      expect(wrapper.text()).toContain('Load performance test metrics detected 1 change');
+      expect(wrapper.text()).toContain('1 degraded');
+    });
+  });
+
+  describe('expanded data', () => {
+    beforeEach(async () => {
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.head_path).reply(200, headLoadPerformance);
+      mock.onGet(DEFAULT_LOAD_PERFORMANCE.base_path).reply(200, baseLoadPerformance);
+
+      registerExtension(loadPerformanceExtension);
+
+      await waitForPromises();
+
+      wrapper
+        .find('[data-testid="widget-extension"] [data-testid="toggle-button"]')
+        .trigger('click');
+
+      await nextTick();
+    });
+
+    it('expanded data list items text', () => {
+      const listItems = wrapper.findAll('[data-testid="extension-list-item"]');
+
+      expect(listItems.at(0).text()).toBe('TTFB P90: 100.60 (-3.50) (-3%)');
+      expect(listItems.at(1).text()).toBe('RPS: 8.99 (1.20) (+15%)');
+      expect(listItems.at(2).text()).toBe('TTFB P95: 125.45 (24.23) (+24%)');
+      expect(listItems.at(3).text()).toBe('Checks: 100.00%');
+    });
+  });
+});

locale/gitlab.pot

@@ -39775,6 +39775,11 @@ msgstr ""
 msgid "ciReport|Investigate this vulnerability by creating an issue"
 msgstr ""
 
+msgid "ciReport|Load performance test metrics detected %{strongStart}%{changesFound}%{strongEnd} change"
+msgid_plural "ciReport|Load performance test metrics detected %{strongStart}%{changesFound}%{strongEnd} changes"
+msgstr[0] ""
+msgstr[1] ""
+
 msgid "ciReport|Load performance test metrics: "
 msgstr ""