Include code_coverage in presented build for runner

Changelog: added

app/assets/javascripts/editor/schema/ci.json

@@ -187,6 +187,21 @@
                 }
               ]
             },
+            "coverage_report": {
+              "type": "object",
+              "description": "Used to collect coverage reports from the job.",
+              "properties": {
+                "coverage_format": {
+                  "description": "Code coverage format used by the test framework.",
+                  "enum": ["cobertura"]
+                },
+                "path": {
+                  "description": "Path to the coverage report file that should be parsed.",
+                  "type": "string",
+                  "minLength": 1
+                }
+              }
+            },
             "codequality": {
               "$ref": "#/definitions/string_file_list",
               "description": "Path to file or list of files with code quality report(s) (such as Code Climate)."

app/presenters/ci/build_runner_presenter.rb

@@ -64,35 +64,50 @@ module Ci
     def create_archive(artifacts)
       return unless artifacts[:untracked] || artifacts[:paths]
 
-      archive = {
-        artifact_type: :archive,
-        artifact_format: :zip,
-        name: artifacts[:name],
-        untracked: artifacts[:untracked],
-        paths: artifacts[:paths],
-        when: artifacts[:when],
-        expire_in: artifacts[:expire_in]
-      }
-
-      if artifacts.dig(:exclude).present?
-        archive.merge(exclude: artifacts[:exclude])
-      else
-        archive
+      BuildArtifact.for_archive(artifacts).to_h.tap do |artifact|
+        artifact.delete(:exclude) unless artifact[:exclude].present?
       end
     end
 
     def create_reports(reports, expire_in:)
       return unless reports&.any?
 
-      reports.map do |report_type, report_paths|
-        {
-          artifact_type: report_type.to_sym,
-          artifact_format: ::Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(report_type.to_sym),
-          name: ::Ci::JobArtifact::DEFAULT_FILE_NAMES.fetch(report_type.to_sym),
-          paths: report_paths,
+      reports.map { |report| BuildArtifact.for_report(report, expire_in).to_h.compact }
+    end
+
+    BuildArtifact = Struct.new(:name, :untracked, :paths, :exclude, :when, :expire_in, :artifact_type, :artifact_format, keyword_init: true) do
+      def self.for_archive(artifacts)
+        self.new(
+          artifact_type: :archive,
+          artifact_format: :zip,
+          name: artifacts[:name],
+          untracked: artifacts[:untracked],
+          paths: artifacts[:paths],
+          when: artifacts[:when],
+          expire_in: artifacts[:expire_in],
+          exclude: artifacts[:exclude]
+        )
+      end
+
+      def self.for_report(report, expire_in)
+        type, params = report
+
+        if type == :coverage_report
+          artifact_type = params[:coverage_format].to_sym
+          paths = [params[:path]]
+        else
+          artifact_type = type
+          paths = params
+        end
+
+        self.new(
+          artifact_type: artifact_type,
+          artifact_format: ::Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(artifact_type),
+          name: ::Ci::JobArtifact::DEFAULT_FILE_NAMES.fetch(artifact_type),
+          paths: paths,
           when: 'always',
           expire_in: expire_in
-        }
+        )
       end
     end
 

doc/ci/yaml/artifacts_reports.md

@@ -80,9 +80,14 @@ GitLab can display the results of one or more reports in:
 - The [security dashboard](../../user/application_security/security_dashboard/index.md).
 - The [Project Vulnerability report](../../user/application_security/vulnerability_report/index.md).
 
-## `artifacts:reports:cobertura`
+## `artifacts:reports:cobertura` (DEPRECATED)
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/3708) in GitLab 12.9.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/3708) in GitLab 12.9.
+> - [Deprecated](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78132) in GitLab 14.9.
+
+WARNING:
+This feature is in its end-of-life process. It is [deprecated](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78132) for use in GitLab
+14.8 and replaced with `artifacts:reports:coverage_report`.
 
 The `cobertura` report collects [Cobertura coverage XML files](../../user/project/merge_requests/test_coverage_visualization.md).
 The collected Cobertura coverage reports upload to GitLab as an artifact.
@@ -93,6 +98,28 @@ GitLab can display the results of one or more reports in the merge request
 Cobertura was originally developed for Java, but there are many third-party ports for other languages such as
 JavaScript, Python, and Ruby.
 
+## `artifacts:reports:coverage_report`
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/344533) in GitLab 14.9.
+
+Use `coverage_report` to collect coverage report in Cobertura format, similar to `artifacts:reports:cobertura`.
+
+NOTE:
+`artifacts:reports:coverage_report` cannot be used at the same time with `artifacts:reports:cobertura`.
+
+```yaml
+artifacts:
+  reports:
+    coverage_report:
+      coverage_format: cobertura
+      path: coverage/cobertura-coverage.xml
+```
+
+The collected coverage report is uploaded to GitLab as an artifact.
+
+GitLab can display the results of coverage report in the merge request
+[diff annotations](../../user/project/merge_requests/test_coverage_visualization.md).
+
 ## `artifacts:reports:codequality`
 
 > [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212499) to GitLab Free in 13.2.

doc/user/project/merge_requests/test_coverage_visualization.md

@@ -28,7 +28,7 @@ between pipeline completion and the visualization loading on the page.
 
 For the coverage analysis to work, you have to provide a properly formatted
 [Cobertura XML](https://cobertura.github.io/cobertura/) report to
-[`artifacts:reports:cobertura`](../../../ci/yaml/artifacts_reports.md#artifactsreportscobertura).
+[`artifacts:reports:cobertura`](../../../ci/yaml/artifacts_reports.md#artifactsreportscobertura-deprecated).
 This format was originally developed for Java, but most coverage analysis frameworks
 for other languages have plugins to add support for it, like:
 

lib/api/entities/ci/job_request/artifacts.rb

@@ -6,7 +6,7 @@ module API
       module JobRequest
         class Artifacts < Grape::Entity
           expose :name
-          expose :untracked
+          expose :untracked, expose_nil: false
           expose :paths
           expose :exclude, expose_nil: false
           expose :when

qa/qa/specs/features/browser_ui/4_verify/pipeline/create_and_process_pipeline_spec.rb

@@ -58,6 +58,16 @@ module QA
                     artifacts:
                       paths:
                       - my-artifacts/
+
+                  test-coverage-report:
+                    tags:
+                      - #{executor}
+                    script: mkdir coverage; echo "CONTENTS" > coverage/cobertura.xml
+                    artifacts:
+                      reports:
+                        coverage_report:
+                          coverage_format: cobertura
+                          path: coverage/cobertura.xml
                 YAML
               }
             ]
@@ -71,7 +81,8 @@ module QA
             'test-success': 'passed',
             'test-failure': 'failed',
             'test-tags-mismatch': 'pending',
-            'test-artifacts': 'passed'
+            'test-artifacts': 'passed',
+            'test-coverage-report': 'passed'
           }.each do |job, status|
             Page::Project::Pipeline::Show.perform do |pipeline|
               pipeline.click_job(job)

spec/factories/ci/builds.rb

@@ -497,6 +497,22 @@ FactoryBot.define do
       options { {} }
     end
 
+    trait :coverage_report_cobertura do
+      options do
+        {
+          artifacts: {
+            expire_in: '7d',
+            reports: {
+              coverage_report: {
+                coverage_format: 'cobertura',
+                path: 'cobertura.xml'
+              }
+            }
+          }
+        }
+      end
+    end
+
     # TODO: move Security traits to ee_ci_build
     # https://gitlab.com/gitlab-org/gitlab/-/issues/210486
     trait :dast do

spec/lib/gitlab/ci/config/entry/reports/coverage_report_spec.rb

 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require 'spec_helper'
 
 RSpec.describe Gitlab::Ci::Config::Entry::Reports::CoverageReport do
   let(:entry) { described_class.new(config) }

spec/presenters/ci/build_runner_presenter_spec.rb

@@ -78,16 +78,72 @@ RSpec.describe Ci::BuildRunnerPresenter do
               artifact_format: Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(file_type),
               paths: [filename],
               when: 'always'
-            }
+            }.compact
           end
 
           it 'presents correct hash' do
-            expect(presenter.artifacts.first).to include(report_expectation)
+            expect(presenter.artifacts).to contain_exactly(report_expectation)
           end
         end
       end
     end
 
+    context 'when a specific coverage_report type is given' do
+      let(:coverage_format) { :cobertura }
+      let(:filename) { 'cobertura-coverage.xml' }
+      let(:coverage_report) { { path: filename, coverage_format: coverage_format } }
+      let(:report) { { coverage_report: coverage_report } }
+      let(:build) { create(:ci_build, options: { artifacts: { reports: report } }) }
+
+      let(:expected_coverage_report) do
+        {
+          name: filename,
+          artifact_type: coverage_format,
+          artifact_format: Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(coverage_format),
+          paths: [filename],
+          when: 'always'
+        }
+      end
+
+      it 'presents the coverage report hash with the coverage format' do
+        expect(presenter.artifacts).to contain_exactly(expected_coverage_report)
+      end
+    end
+
+    context 'when a specific coverage_report type is given with another report type' do
+      let(:coverage_format) { :cobertura }
+      let(:coverage_filename) { 'cobertura-coverage.xml' }
+      let(:coverage_report) { { path: coverage_filename, coverage_format: coverage_format } }
+      let(:ds_filename) { 'gl-dependency-scanning-report.json' }
+
+      let(:report) { { coverage_report: coverage_report, dependency_scanning: [ds_filename] } }
+      let(:build) { create(:ci_build, options: { artifacts: { reports: report } }) }
+
+      let(:expected_coverage_report) do
+        {
+          name: coverage_filename,
+          artifact_type: coverage_format,
+          artifact_format: Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(coverage_format),
+          paths: [coverage_filename],
+          when: 'always'
+        }
+      end
+
+      let(:expected_ds_report) do
+        {
+          name: ds_filename,
+          artifact_type: :dependency_scanning,
+          artifact_format: Ci::JobArtifact::TYPE_AND_FORMAT_PAIRS.fetch(:dependency_scanning),
+          paths: [ds_filename],
+          when: 'always'
+        }
+      end
+
+      it 'presents both reports' do
+        expect(presenter.artifacts).to contain_exactly(expected_coverage_report, expected_ds_report)
+      end
+    end
+
     context "when option has both archive and reports specification" do
       let(:report) { { junit: ['junit.xml'] } }
       let(:build) { create(:ci_build, options: { script: 'echo', artifacts: { **archive, reports: report } }) }

spec/requests/api/ci/runner/jobs_request_post_spec.rb

@@ -611,6 +611,40 @@ RSpec.describe API::Ci::Runner, :clean_gitlab_redis_shared_state do
             end
           end
 
+          context 'when job has code coverage report' do
+            let(:job) do
+              create(:ci_build, :pending, :queued, :coverage_report_cobertura,
+                     pipeline: pipeline, name: 'spinach', stage: 'test', stage_idx: 0)
+            end
+
+            let(:expected_artifacts) do
+              [
+                {
+                  'name' => 'cobertura-coverage.xml',
+                  'paths' => ['cobertura.xml'],
+                  'when' => 'always',
+                  'expire_in' => '7d',
+                  "artifact_type" => "cobertura",
+                  "artifact_format" => "gzip"
+                }
+              ]
+            end
+
+            it 'returns job with the correct artifact specification', :aggregate_failures do
+              request_job info: { platform: :darwin, features: { upload_multiple_artifacts: true } }
+
+              expect(response).to have_gitlab_http_status(:created)
+              expect(response.headers['Content-Type']).to eq('application/json')
+              expect(response.headers).not_to have_key('X-GitLab-Last-Update')
+              expect(runner.reload.platform).to eq('darwin')
+              expect(json_response['id']).to eq(job.id)
+              expect(json_response['token']).to eq(job.token)
+              expect(json_response['job_info']).to eq(expected_job_info)
+              expect(json_response['git_info']).to eq(expected_git_info)
+              expect(json_response['artifacts']).to eq(expected_artifacts)
+            end
+          end
+
           context 'when triggered job is available' do
             let(:expected_variables) do
               [{ 'key' => 'CI_JOB_NAME', 'value' => 'spinach', 'public' => true, 'masked' => false },