Add CI/CD templates picker for empty pipelines page

This adds sample CI/CD templates for easily creating a
.gitlab-ci.yml file for your project.

Changelog: added

app/assets/javascripts/pipelines/components/pipelines_list/empty_state.vue

@@ -16,7 +16,6 @@ export default {
       consuming tasks, so you can spend more time creating.`),
     aboutRunnersBtnText: s__('Pipelines|Learn about Runners'),
     installRunnersBtnText: s__('Pipelines|Install GitLab Runners'),
-    getStartedBtnText: s__('Pipelines|Get started with CI/CD'),
     codeQualityTitle: s__('Pipelines|Improve code quality with GitLab CI/CD'),
     codeQualityDescription: s__(`Pipelines|To keep your codebase simple,
       readable, and accessible to contributors, use GitLab CI/CD
@@ -55,9 +54,6 @@ export default {
     ciHelpPagePath() {
       return helpPagePath('ci/quick_start/index.md');
     },
-    isPipelineEmptyStateTemplatesExperimentActive() {
-      return this.canSetCi && Boolean(getExperimentData('pipeline_empty_state_templates'));
-    },
     isCodeQualityExperimentActive() {
       return this.canSetCi && Boolean(getExperimentData('code_quality_walkthrough'));
     },
@@ -81,37 +77,7 @@ export default {
 </script>
 <template>
   <div>
-    <gitlab-experiment
-      v-if="isPipelineEmptyStateTemplatesExperimentActive"
-      name="pipeline_empty_state_templates"
-    >
-      <template #control>
-        <gl-empty-state
-          :title="$options.i18n.title"
-          :svg-path="emptyStateSvgPath"
-          :description="$options.i18n.description"
-          :primary-button-text="$options.i18n.getStartedBtnText"
-          :primary-button-link="ciHelpPagePath"
-        />
-      </template>
-      <template #candidate>
-        <pipelines-ci-templates />
-      </template>
-    </gitlab-experiment>
-    <gitlab-experiment v-else-if="isCodeQualityExperimentActive" name="code_quality_walkthrough">
-      <template #control>
-        <gl-empty-state
-          :title="$options.i18n.title"
-          :svg-path="emptyStateSvgPath"
-          :description="$options.i18n.description"
-        >
-          <template #actions>
-            <gl-button :href="ciHelpPagePath" variant="confirm" @click="trackClick()">
-              {{ $options.i18n.getStartedBtnText }}
-            </gl-button>
-          </template>
-        </gl-empty-state>
-      </template>
+    <gitlab-experiment v-if="isCodeQualityExperimentActive" name="code_quality_walkthrough">
       <template #candidate>
         <gl-empty-state
           :title="$options.i18n.codeQualityTitle"
@@ -127,23 +93,6 @@ export default {
       </template>
     </gitlab-experiment>
     <gitlab-experiment v-else-if="isCiRunnerTemplatesExperimentActive" name="ci_runner_templates">
-      <template #control>
-        <gl-empty-state
-          :title="$options.i18n.title"
-          :svg-path="emptyStateSvgPath"
-          :description="$options.i18n.description"
-        >
-          <template #actions>
-            <gl-button
-              :href="ciHelpPagePath"
-              variant="confirm"
-              @click="trackCiRunnerTemplatesClick('get_started_button_clicked')"
-            >
-              {{ $options.i18n.getStartedBtnText }}
-            </gl-button>
-          </template>
-        </gl-empty-state>
-      </template>
       <template #candidate>
         <gl-empty-state
           :title="$options.i18n.title"
@@ -169,14 +118,7 @@ export default {
         </gl-empty-state>
       </template>
     </gitlab-experiment>
-    <gl-empty-state
-      v-else-if="canSetCi"
-      :title="$options.i18n.title"
-      :svg-path="emptyStateSvgPath"
-      :description="$options.i18n.description"
-      :primary-button-text="$options.i18n.getStartedBtnText"
-      :primary-button-link="ciHelpPagePath"
-    />
+    <pipelines-ci-templates v-else-if="canSetCi" />
     <gl-empty-state
       v-else
       title=""

app/assets/javascripts/pipelines/components/pipelines_list/pipelines_ci_templates.vue

 <script>
 import { GlButton, GlCard, GlSprintf } from '@gitlab/ui';
-import ExperimentTracking from '~/experimentation/experiment_tracking';
 import { mergeUrlParams } from '~/lib/utils/url_utility';
 import { s__, sprintf } from '~/locale';
+import Tracking from '~/tracking';
 import { HELLO_WORLD_TEMPLATE_KEY } from '../../constants';
 export default {
@@ -11,6 +11,7 @@ export default {
     GlCard,
     GlSprintf,
   },
+  mixins: [Tracking.mixin()],
   HELLO_WORLD_TEMPLATE_KEY,
   i18n: {
     cta: s__('Pipelines|Use template'),
@@ -55,10 +56,9 @@ export default {
   },
   methods: {
     trackEvent(template) {
-      const tracking = new ExperimentTracking('pipeline_empty_state_templates', {
+      this.track('template_clicked', {
         label: template,
       });
-      tracking.event('template_clicked');
     },
   },
 };

app/controllers/projects/pipelines_controller.rb

@@ -49,7 +49,6 @@ def index
     respond_to do |format|
       format.html do
-        enable_pipeline_empty_state_templates_experiment
         enable_code_quality_walkthrough_experiment
         enable_ci_runner_templates_experiment
       end
@@ -301,18 +300,6 @@ def index_params
     params.permit(:scope, :username, :ref, :status)
   end
-  def enable_pipeline_empty_state_templates_experiment
-    experiment(:pipeline_empty_state_templates, namespace: project.root_ancestor) do |e|
-      e.exclude! unless current_user
-      e.exclude! if @pipelines_count.to_i > 0
-      e.exclude! if helpers.has_gitlab_ci?(project)
-
-      e.control {}
-      e.candidate {}
-      e.record!
-    end
-  end
-
   def enable_code_quality_walkthrough_experiment
     experiment(:code_quality_walkthrough, namespace: project.root_ancestor) do |e|
       e.exclude! unless current_user

app/helpers/ci/pipelines_helper.rb

@@ -30,9 +30,7 @@ def has_gitlab_ci?(project)
       project.has_ci? && project.builds_enabled?
     end
-    # This list of templates is for the pipeline_empty_state_templates experiment
-    # and will be cleaned up with https://gitlab.com/gitlab-org/gitlab/-/issues/326299
-    def experiment_suggested_ci_templates
+    def suggested_ci_templates
       [
         { name: 'Android', logo: image_path('illustrations/logos/android.svg') },
         { name: 'Bash', logo: image_path('illustrations/logos/bash.svg') },

app/views/projects/pipelines/index.html.haml

@@ -23,6 +23,6 @@
   "reset-cache-path" => can?(current_user, :admin_pipeline, @project) && reset_cache_project_settings_ci_cd_path(@project),
   "has-gitlab-ci" => has_gitlab_ci?(@project).to_s,
   "add-ci-yml-path" => can?(current_user, :create_pipeline, @project) && @project.present(current_user: current_user).add_ci_yml_path,
-  "suggested-ci-templates" => experiment_suggested_ci_templates.to_json,
+  "suggested-ci-templates" => suggested_ci_templates.to_json,
   "code-quality-page-path" => @project.present(current_user: current_user).add_code_quality_ci_yml_path,
   "ci-runner-settings-path" => project_settings_ci_cd_path(@project, ci_runner_templates: true, anchor: 'js-runners-settings') } }

config/feature_flags/experiment/pipeline_empty_state_templates.yml

----
-name: pipeline_empty_state_templates
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57286
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/326299
-milestone: '13.11'
-type: experiment
-group: group::activation
-default_enabled: false

locale/gitlab.pot

@@ -24179,9 +24179,6 @@ msgstr ""
 msgid "Pipelines|Get familiar with GitLab CI/CD syntax by starting with a simple pipeline that runs a “Hello world” script."
 msgstr ""
-msgid "Pipelines|Get started with CI/CD"
-msgstr ""
-
 msgid "Pipelines|GitLab CI/CD can automatically build, test, and deploy your code. Let GitLab take care of time consuming tasks, so you can spend more time creating."
 msgstr ""

spec/controllers/projects/pipelines_controller_spec.rb

@@ -284,10 +284,6 @@ def action
     subject { project.namespace }
-    context 'pipeline_empty_state_templates experiment' do
-      it_behaves_like 'tracks assignment and records the subject', :pipeline_empty_state_templates, :namespace
-    end
-
     context 'code_quality_walkthrough experiment' do
       it_behaves_like 'tracks assignment and records the subject', :code_quality_walkthrough, :namespace
     end

spec/features/projects/pipelines/pipelines_spec.rb

@@ -783,7 +783,7 @@ def create_build(stage, stage_idx, name, status)
       end
       it 'renders empty state' do
-        expect(page).to have_content 'Build with confidence'
+        expect(page).to have_content 'Use a sample CI/CD template'
       end
     end
   end

spec/frontend/pipelines/empty_state_spec.js

 import { mount } from '@vue/test-utils';
 import EmptyState from '~/pipelines/components/pipelines_list/empty_state.vue';
+import PipelinesCiTemplates from '~/pipelines/components/pipelines_list/pipelines_ci_templates.vue';
 describe('Pipelines Empty State', () => {
   let wrapper;
   const findIllustration = () => wrapper.find('img');
   const findButton = () => wrapper.find('a');
+  const pipelinesCiTemplates = () => wrapper.find(PipelinesCiTemplates);
   const createWrapper = (props = {}) => {
     wrapper = mount(EmptyState, {
+      provide: {
+        addCiYmlPath: '',
+        suggestedCiTemplates: [],
+      },
+      stubs: {
+        GlEmoji: { template: '<img/>' },
+      },
       propsData: {
         emptyStateSvgPath: 'foo.svg',
         canSetCi: true,
@@ -27,27 +36,8 @@ describe('Pipelines Empty State', () => {
       wrapper = null;
     });
-    it('should render empty state SVG', () => {
-      expect(findIllustration().attributes('src')).toBe('foo.svg');
-    });
-
-    it('should render empty state header', () => {
-      expect(wrapper.text()).toContain('Build with confidence');
-    });
-
-    it('should render empty state information', () => {
-      expect(wrapper.text()).toContain(
-        'GitLab CI/CD can automatically build, test, and deploy your code. Let GitLab take care of time',
-        'consuming tasks, so you can spend more time creating',
-      );
-    });
-
-    it('should render button with help path', () => {
-      expect(findButton().attributes('href')).toBe('/help/ci/quick_start/index.md');
-    });
-
-    it('should render button text', () => {
-      expect(findButton().text()).toBe('Get started with CI/CD');
+    it('should render the CI/CD templates', () => {
+      expect(pipelinesCiTemplates()).toExist();
     });
   });

spec/frontend/pipelines/pipelines_ci_templates_spec.js

 import { shallowMount } from '@vue/test-utils';
-import ExperimentTracking from '~/experimentation/experiment_tracking';
 import PipelinesCiTemplate from '~/pipelines/components/pipelines_list/pipelines_ci_templates.vue';
+import { mockTracking } from 'helpers/tracking_helper';
 const addCiYmlPath = "/-/new/main?commit_message='Add%20.gitlab-ci.yml'";
 const suggestedCiTemplates = [
@@ -9,10 +9,9 @@ const suggestedCiTemplates = [
   { name: 'C++', logo: '/assets/illustrations/logos/c_plus_plus.svg' },
 ];
-jest.mock('~/experimentation/experiment_tracking');
-
 describe('Pipelines CI Templates', () => {
   let wrapper;
+  let trackingSpy;
   const GlEmoji = { template: '<img/>' };
@@ -88,24 +87,25 @@ describe('Pipelines CI Templates', () => {
   describe('tracking', () => {
     beforeEach(() => {
       wrapper = createWrapper();
+      trackingSpy = mockTracking(undefined, wrapper.element, jest.spyOn);
     });
     it('sends an event when template is clicked', () => {
       findTemplateLinks().at(0).vm.$emit('click');
-      expect(ExperimentTracking).toHaveBeenCalledWith('pipeline_empty_state_templates', {
+      expect(trackingSpy).toHaveBeenCalledTimes(1);
+      expect(trackingSpy).toHaveBeenCalledWith(undefined, 'template_clicked', {
         label: 'Android',
       });
-      expect(ExperimentTracking.prototype.event).toHaveBeenCalledWith('template_clicked');
     });
     it('sends an event when Hello-World template is clicked', () => {
       findTestTemplateLinks().at(0).vm.$emit('click');
-      expect(ExperimentTracking).toHaveBeenCalledWith('pipeline_empty_state_templates', {
+      expect(trackingSpy).toHaveBeenCalledTimes(1);
+      expect(trackingSpy).toHaveBeenCalledWith(undefined, 'template_clicked', {
         label: 'Hello-World',
       });
-      expect(ExperimentTracking.prototype.event).toHaveBeenCalledWith('template_clicked');
     });
   });
 });

spec/frontend/pipelines/pipelines_spec.js

@@ -12,6 +12,7 @@ import createFlash from '~/flash';
 import axios from '~/lib/utils/axios_utils';
 import NavigationControls from '~/pipelines/components/pipelines_list/nav_controls.vue';
 import PipelinesComponent from '~/pipelines/components/pipelines_list/pipelines.vue';
+import PipelinesCiTemplates from '~/pipelines/components/pipelines_list/pipelines_ci_templates.vue';
 import PipelinesTableComponent from '~/pipelines/components/pipelines_list/pipelines_table.vue';
 import { RAW_TEXT_WARNING } from '~/pipelines/constants';
 import Store from '~/pipelines/stores/pipelines_store';
@@ -82,6 +83,13 @@ describe('Pipelines', () => {
   const createComponent = (props = defaultProps) => {
     wrapper = extendedWrapper(
       mount(PipelinesComponent, {
+        provide: {
+          addCiYmlPath: '',
+          suggestedCiTemplates: [],
+        },
+        stubs: {
+          GlEmoji: { template: '<img/>' },
+        },
         propsData: {
           store: new Store(),
           projectId: mockProjectId,
@@ -551,16 +559,8 @@ describe('Pipelines', () => {
         await waitForPromises();
       });
-      it('renders empty state', () => {
-        expect(findEmptyState().text()).toContain('Build with confidence');
-        expect(findEmptyState().text()).toContain(
-          'GitLab CI/CD can automatically build, test, and deploy your code.',
-        );
-
-        expect(findEmptyState().find(GlButton).text()).toBe('Get started with CI/CD');
-        expect(findEmptyState().find(GlButton).attributes('href')).toBe(
-          '/help/ci/quick_start/index.md',
-        );
+      it('renders the CI/CD templates', () => {
+        expect(wrapper.find(PipelinesCiTemplates)).toExist();
       });
       describe('when the code_quality_walkthrough experiment is active', () => {