Track notification dot

- needed for metrics

ee/app/views/layouts/header/_user_notification_dot.html.haml

 - return unless show_user_notification_dot?(project, namespace)
 
+-# Tracking events from the template is not ideal and we are moving this to the client in https://gitlab.com/gitlab-org/gitlab/-/issues/213712
+- track_event('show_buy_ci_minutes_notification', label: current_user.namespace.actual_plan_name, property: 'user_dropdown')
+
 %span.header-user-notification-dot.rounded-circle.position-relative

ee/spec/features/buy_ci_minutes_notification_dot_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'User notification dot', :aggregate_failures do
+  let_it_be(:user) { create(:user) }
+  let(:project) { create(:project, namespace: group, creator: user, shared_runners_enabled: true) }
+  let(:group) { create(:group) }
+  let!(:user_pipelines) { create(:ci_pipeline, user: user, project: project) }
+
+  before do
+    stub_experiment_for_user(ci_notification_dot: true)
+    group.add_developer(user)
+
+    sign_in(user)
+  end
+
+  context 'when ci minutes are below threshold' do
+    before do
+      group.update(last_ci_minutes_usage_notification_level: 30, shared_runners_minutes_limit: 10)
+      allow_any_instance_of(EE::Namespace).to receive(:shared_runners_remaining_minutes).and_return(2)
+    end
+
+    it 'shows notification dot' do
+      expect_next_instance_of(ProjectsController) do |ctrl|
+        expect(ctrl).to receive(:track_event)
+                          .with('show_buy_ci_minutes_notification', label: 'free', property: 'user_dropdown')
+      end
+
+      visit project_path(project)
+
+      expect(page).to have_css('span', class: 'header-user-notification-dot')
+    end
+  end
+
+  context 'when ci minutes are not below threshold' do
+    let(:group) { create(:group, :with_not_used_build_minutes_limit) }
+
+    it 'shows notification dot' do
+      expect_next_instance_of(ProjectsController) do |ctrl|
+        expect(ctrl).not_to receive(:track_event)
+      end
+
+      visit project_path(project)
+
+      expect(page).not_to have_css('span', class: 'header-user-notification-dot')
+    end
+  end
+end

ee/spec/views/layouts/application.html.haml_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'layouts/application' do
+  let_it_be(:user) { create(:user) }
+  let(:show_notification_dot) { false }
+
+  before do
+    allow(view).to receive(:experiment_enabled?).and_return(false)
+    allow(view).to receive(:session).and_return({})
+    allow(view).to receive(:user_signed_in?).and_return(true)
+    allow(view).to receive(:current_user).and_return(user)
+    allow(view).to receive(:current_user_mode).and_return(Gitlab::Auth::CurrentUserMode.new(user))
+    allow(view).to receive(:show_user_notification_dot?).and_return(show_notification_dot)
+  end
+
+  describe 'layouts/_user_notification_dot' do
+    context 'when we show the notification dot' do
+      let(:show_notification_dot) { true }
+
+      it 'has the notification dot' do
+        expect(view).to receive(:track_event).with('show_buy_ci_minutes_notification', label: 'free', property: 'user_dropdown')
+
+        render
+
+        expect(rendered).to have_css('span', class: 'header-user-notification-dot')
+      end
+    end
+
+    context 'when we do not show the notification dot' do
+      it 'does not have the notification dot' do
+        render
+
+        expect(rendered).not_to have_css('span', class: 'header-user-notification-dot')
+      end
+    end
+  end
+end

lib/gitlab/tracking.rb

@@ -9,6 +9,13 @@ module Gitlab
     module ControllerConcern
       extend ActiveSupport::Concern
 
+      included do
+        # Tracking events from the template is not ideal and we are moving this to the client in https://gitlab.com/gitlab-org/gitlab/-/issues/213712
+        # In the meantime, using this method from the view is frowned upon and this line will likely be removed
+        # in the near future
+        helper_method :track_event
+      end
+
       protected
 
       def track_event(action = action_name, **args)