Add test reports to usage ping

Adds usage ping data about requirement test reports.

ee/app/models/requirements_management/test_report.rb

@@ -13,6 +13,8 @@ module RequirementsManagement
 
     enum state: { passed: 1, failed: 2 }
 
+    scope :without_build, -> { where(build_id: nil) }
+    scope :with_build, -> { where.not(build_id: nil) }
     scope :for_user_build, ->(user_id, build_id) { where(author_id: user_id, build_id: build_id) }
 
     class << self

ee/changelogs/unreleased/requirements-track2.yml

+---
+title: Added usage ping statistics about created requirement test reports
+merge_request: 47809
+author:
+type: added

ee/lib/ee/gitlab/usage_data.rb

@@ -105,7 +105,10 @@ module EE
           return {} unless ::License.feature_available?(:requirements)
 
           {
-            requirements_created: count(RequirementsManagement::Requirement)
+            requirements_created: count(RequirementsManagement::Requirement),
+            requirement_test_reports_manual: count(RequirementsManagement::TestReport.without_build),
+            requirement_test_reports_ci: count(RequirementsManagement::TestReport.with_build),
+            requirements_with_test_report: distinct_count(RequirementsManagement::TestReport, :requirement_id)
           }
         end
 

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

@@ -189,6 +189,13 @@ RSpec.describe Gitlab::UsageData do
   describe '.requirements_counts' do
     subject { described_class.requirements_counts }
 
+    let_it_be(:requirement1) { create(:requirement) }
+    let_it_be(:requirement2) { create(:requirement) }
+    let_it_be(:requirement3) { create(:requirement) }
+    let_it_be(:test_report1) { create(:test_report, requirement: requirement1) }
+    let_it_be(:test_report2) { create(:test_report, requirement: requirement2, build: nil) }
+    let_it_be(:test_report3) { create(:test_report, requirement: requirement1) }
+
     context 'when requirements are disabled' do
       it 'returns empty hash' do
         stub_licensed_features(requirements: false)
@@ -201,9 +208,12 @@ RSpec.describe Gitlab::UsageData do
       it 'returns created requirements count' do
         stub_licensed_features(requirements: true)
 
-        create_list(:requirement, 2)
-
-        expect(subject).to eq({ requirements_created: 2 })
+        expect(subject).to eq({
+          requirements_created: 3,
+          requirement_test_reports_manual: 1,
+          requirement_test_reports_ci: 2,
+          requirements_with_test_report: 2
+        })
       end
     end
   end

ee/spec/models/requirements_management/test_report_spec.rb

@@ -19,17 +19,30 @@ RSpec.describe RequirementsManagement::TestReport do
   end
 
   describe 'scopes' do
-    describe 'for_user_build' do
-      it "returns only test reports matching build's user and pipeline" do
-        user = create(:user)
-        build = create(:ci_build)
-        report1 = create(:test_report, author: user, build: build)
-        create(:test_report, author: user)
-        create(:test_report, build: build)
+    let_it_be(:user) { create(:user) }
+    let_it_be(:build) { create(:ci_build) }
+    let_it_be(:report1) { create(:test_report, author: user, build: build) }
+    let_it_be(:report2) { create(:test_report, author: user) }
+    let_it_be(:report3) { create(:test_report, build: build) }
+    let_it_be(:report4) { create(:test_report, build: nil) }
 
+    describe '.for_user_build' do
+      it "returns only test reports matching build's user and pipeline" do
         expect(described_class.for_user_build(user.id, build.id)).to match_array([report1])
       end
     end
+
+    describe '.with_build' do
+      it 'returns only test reports which reference a CI build' do
+        expect(described_class.with_build).to match_array([report1, report2, report3])
+      end
+    end
+
+    describe '.without_build' do
+      it 'returns only test reports which do not refer any CI build' do
+        expect(described_class.without_build).to match_array([report4])
+      end
+    end
   end
 
   describe '.persist_requirement_reports' do

rubocop/rubocop-usage-data.yml

@@ -51,3 +51,4 @@ UsageData/DistinctCountByLargeForeignKey:
     - 'project_id'
     - 'user_id'
     - 'resource_owner_id'
+    - 'requirement_id'