Add requirements created to usage data

Count created requirements on usage data

doc/user/admin_area/settings/usage_statistics.md

@@ -233,6 +233,7 @@ but commented out to help encourage others to add to it in the future. -->
 |protected_branches|counts||
 |releases|counts||
 |remote_mirrors|counts||
+|requirements_created|counts||
 |snippets|counts||
 |suggestions|counts||
 |todos|counts||

ee/lib/ee/gitlab/usage_data.rb

@@ -82,6 +82,14 @@ module EE
           usage_data
         end
 
+        def requirements_counts
+          return {} unless ::License.feature_available?(:requirements)
+
+          {
+            requirements_created: count(RequirementsManagement::Requirement)
+          }
+        end
+
         # rubocop: disable CodeReuse/ActiveRecord
         def service_desk_counts
           return {} unless ::License.feature_available?(:service_desk)
@@ -160,6 +168,7 @@ module EE
                 status_page_issues: count(::Issue.on_status_page),
                 template_repositories: count(::Project.with_repos_templates) + count(::Project.with_groups_level_repos_templates)
               },
+              requirements_counts,
               service_desk_counts,
               security_products_usage,
               epics_deepest_relationship_level,

ee/spec/lib/ee/gitlab/usage_data_spec.rb

@@ -7,7 +7,7 @@ describe Gitlab::UsageData do
     allow(ActiveRecord::Base.connection).to receive(:transaction_open?).and_return(false)
   end
 
-  describe '#data' do
+  describe '.data' do
     # using Array.new to create a different creator User for each of the projects
     let_it_be(:projects) { Array.new(3) { create(:project, :repository, creator: create(:user, group_view: :security_dashboard)) } }
     let(:count_data) { subject[:counts] }
@@ -152,7 +152,7 @@ describe Gitlab::UsageData do
     end
   end
 
-  describe '#features_usage_data_ee' do
+  describe '.features_usage_data_ee' do
     subject { described_class.features_usage_data_ee }
 
     it 'gathers feature usage data of EE' do
@@ -162,7 +162,7 @@ describe Gitlab::UsageData do
     end
   end
 
-  describe '#license_usage_data' do
+  describe '.license_usage_data' do
     subject { described_class.license_usage_data }
 
     it 'gathers license data' do
@@ -180,6 +180,28 @@ describe Gitlab::UsageData do
     end
   end
 
+  describe '.requirements_counts' do
+    subject { described_class.requirements_counts }
+
+    context 'when requirements are disabled' do
+      it 'returns empty hash' do
+        stub_licensed_features(requirements: false)
+
+        expect(subject).to eq({})
+      end
+    end
+
+    context 'when requirements are enabled' do
+      it 'returns created requirements count' do
+        stub_licensed_features(requirements: true)
+
+        create_list(:requirement, 2)
+
+        expect(subject).to eq({ requirements_created: 2 })
+      end
+    end
+  end
+
   describe '.service_desk_counts' do
     subject { described_class.service_desk_counts }