Add buy ci minutes notification on dropdown

- prepping for experiment

app/assets/stylesheets/framework/header.scss

@@ -553,6 +553,7 @@
       vertical-align: text-top;
     }
 
+    a.ci-minutes-emoji gl-emoji,
     a.trial-link gl-emoji {
       font-size: $gl-font-size;
       vertical-align: baseline;

app/views/layouts/header/_current_user_dropdown.html.haml

@@ -26,6 +26,7 @@
   - if current_user_menu?(:settings)
     %li
       = link_to s_("CurrentUser|Settings"), profile_path, data: { qa_selector: 'settings_link' }
+  = render_if_exists 'layouts/header/buy_ci_minutes'
 
   - if current_user_menu?(:help)
     %li.divider.d-md-none

ee/app/helpers/ee/runners_helper.rb

@@ -15,6 +15,10 @@ module EE
       message.join(' ').html_safe
     end
 
+    def show_buy_ci_minutes?
+      experiment_enabled?(:buy_ci_minutes_version_a)
+    end
+
     private
 
     def purchase_shared_runner_minutes_link

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

+- return unless show_buy_ci_minutes?
+
+%li
+  = link_to profile_pipeline_quota_path, class: 'ci-minutes-emoji' do
+    = s_("CurrentUser|Buy CI minutes")
+    = emoji_icon('clock9')

ee/spec/helpers/ee/runners_helper_spec.rb

@@ -138,4 +138,24 @@ describe EE::RunnersHelper do
       end
     end
   end
+
+  describe '.show_buy_ci_minutes?' do
+    subject { helper.show_buy_ci_minutes? }
+
+    context 'when experiment is disabled' do
+      before do
+        allow(helper).to receive(:experiment_enabled?).with(:buy_ci_minutes_version_a).and_return(false)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when experiment is enabled' do
+      before do
+        allow(helper).to receive(:experiment_enabled?).with(:buy_ci_minutes_version_a).and_return(true)
+      end
+
+      it { is_expected.to be_truthy }
+    end
+  end
 end

ee/spec/views/layouts/header/_current_user_dropdown.html.haml_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'layouts/header/_current_user_dropdown' do
+  let_it_be(:user) { create(:user) }
+  let(:need_minutes) { true }
+
+  before do
+    allow(view).to receive(:current_user).and_return(user)
+    allow(view).to receive(:show_buy_ci_minutes?).and_return(need_minutes)
+
+    render
+  end
+
+  subject { rendered }
+
+  context 'when ci minutes need bought' do
+    it 'has "Buy CI minutes" link' do
+      expect(subject).to have_link('Buy CI minutes')
+    end
+  end
+
+  context 'when ci minutes do not need bought' do
+    let(:need_minutes) { false }
+
+    it 'has no "Buy CI minutes" link' do
+      expect(subject).not_to have_link('Buy CI minutes')
+    end
+  end
+end

lib/gitlab/experimentation.rb

@@ -34,6 +34,12 @@ module Gitlab
         environment: ::Gitlab.dev_env_or_com?,
         enabled_ratio: 0.1,
         tracking_category: 'Growth::Expansion::Experiment::CiNotificationDot'
+      },
+      buy_ci_minutes_version_a: {
+        feature_toggle: :buy_ci_minutes_version_a,
+        environment: ::Gitlab.dev_env_or_com?,
+        enabled_ratio: 0.2,
+        tracking_category: 'Growth::Expansion::Experiment::BuyCiMinutesVersionA'
       }
     }.freeze
 

locale/gitlab.pot

@@ -5992,6 +5992,9 @@ msgstr ""
 msgid "Current vulnerabilities count"
 msgstr ""
 
+msgid "CurrentUser|Buy CI minutes"
+msgstr ""
+
 msgid "CurrentUser|Profile"
 msgstr ""