Remove test report count endpoint

This MR removes an unused endpoin which has been
rewrote to be more performat by fetching data from
the database.

app/controllers/projects/pipelines_controller.rb

@@ -192,12 +192,6 @@ class Projects::PipelinesController < Projects::ApplicationController
     end
   end
 
-  def test_reports_count
-    return unless Feature.enabled?(:junit_pipeline_view, project)
-
-    render json: { total_count: pipeline.test_reports_count }.to_json
-  end
-
   private
 
   def serialize_pipelines

app/models/ci/pipeline.rb

@@ -915,12 +915,6 @@ module Ci
       end
     end
 
-    def test_reports_count
-      Rails.cache.fetch(['project', project.id, 'pipeline', id, 'test_reports_count'], force: false) do
-        test_reports.total_count
-      end
-    end
-
     def accessibility_reports
       Gitlab::Ci::Reports::AccessibilityReports.new.tap do |accessibility_reports|
         builds.latest.with_reports(Ci::JobArtifact.accessibility_reports).each do |build|

config/routes/pipelines.rb

@@ -19,7 +19,6 @@ resources :pipelines, only: [:index, :new, :create, :show, :destroy] do
     get :failures
     get :status
     get :test_report
-    get :test_reports_count
   end
 
   resources :stages, only: [], param: :name, controller: 'pipelines/stages' do

spec/controllers/projects/pipelines_controller_spec.rb

@@ -989,76 +989,6 @@ RSpec.describe Projects::PipelinesController do
     end
   end
 
-  describe 'GET test_report_count.json' do
-    subject(:test_reports_count_json) do
-      get :test_reports_count, params: {
-        namespace_id: project.namespace,
-        project_id: project,
-        id: pipeline.id
-      },
-      format: :json
-    end
-
-    context 'when feature is enabled' do
-      before do
-        stub_feature_flags(junit_pipeline_view: true)
-      end
-
-      context 'when pipeline does not have a test report' do
-        let(:pipeline) { create(:ci_pipeline, project: project) }
-
-        it 'renders an empty badge counter' do
-          test_reports_count_json
-
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(json_response['total_count']).to eq(0)
-        end
-      end
-
-      context 'when pipeline has a test report' do
-        let(:pipeline) { create(:ci_pipeline, :with_test_reports, project: project) }
-
-        it 'renders the badge counter value' do
-          test_reports_count_json
-
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(json_response['total_count']).to eq(4)
-        end
-      end
-
-      context 'when pipeline has corrupt test reports' do
-        let(:pipeline) { create(:ci_pipeline, project: project) }
-
-        before do
-          job = create(:ci_build, pipeline: pipeline)
-          create(:ci_job_artifact, :junit_with_corrupted_data, job: job, project: project)
-        end
-
-        it 'renders 0' do
-          test_reports_count_json
-
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(json_response['total_count']).to eq(0)
-        end
-      end
-    end
-
-    context 'when feature is disabled' do
-      let(:pipeline) { create(:ci_empty_pipeline, project: project) }
-
-      before do
-        stub_feature_flags(junit_pipeline_view: false)
-      end
-
-      it 'renders empty response' do
-        test_reports_count_json
-
-        expect(response).to have_gitlab_http_status(:no_content)
-        expect(response.body).to be_empty
-      end
-    end
-  end
-
   describe 'GET latest' do
     let(:branch_main) { project.repository.branches[0] }
     let(:branch_secondary) { project.repository.branches[1] }

spec/models/ci/pipeline_spec.rb

@@ -3126,40 +3126,6 @@ RSpec.describe Ci::Pipeline, :mailer do
     end
   end
 
-  describe '#test_reports_count', :use_clean_rails_memory_store_caching do
-    subject { pipeline.test_reports }
-
-    context 'when pipeline has multiple builds with test reports' do
-      let!(:build_rspec) { create(:ci_build, :success, name: 'rspec', pipeline: pipeline, project: project) }
-      let!(:build_java) { create(:ci_build, :success, name: 'java', pipeline: pipeline, project: project) }
-
-      before do
-        create(:ci_job_artifact, :junit, job: build_rspec, project: project)
-        create(:ci_job_artifact, :junit_with_ant, job: build_java, project: project)
-      end
-
-      it 'returns test report count equal to test reports total_count' do
-        expect(subject.total_count).to eq(7)
-        expect(subject.total_count).to eq(pipeline.test_reports_count)
-      end
-
-      it 'reads from cache when records are cached' do
-        expect(Rails.cache.fetch(['project', project.id, 'pipeline', pipeline.id, 'test_reports_count'], force: false)).to be_nil
-
-        pipeline.test_reports_count
-
-        expect(ActiveRecord::QueryRecorder.new { pipeline.test_reports_count }.count).to eq(0)
-      end
-    end
-
-    context 'when pipeline does not have any builds with test reports' do
-      it 'returns empty test report count' do
-        expect(subject.total_count).to eq(0)
-        expect(subject.total_count).to eq(pipeline.test_reports_count)
-      end
-    end
-  end
-
   describe '#accessibility_reports' do
     subject { pipeline.accessibility_reports }