Merge branch 'chore/cobertura-rspec-jest-karme-report' into 'master'

Add GitLab Test Coverage Visualization to Karma, Jest and RSpec

See merge request gitlab-org/gitlab!27655

.gitlab/ci/frontend.gitlab-ci.yml

@@ -159,6 +159,7 @@ karma:
       - tmp/tests/frontend/
     reports:
       junit: junit_karma.xml
+      cobertura: coverage-javascript/cobertura-coverage.xml
 
 karma-as-if-foss:
   extends:
@@ -226,6 +227,8 @@ coverage-frontend:
     expire_in: 31d
     paths:
       - coverage-frontend/
+    reports:
+      cobertura: coverage-frontend/cobertura-coverage.xml
 
 .qa-frontend-node:
   extends:

.gitlab/ci/rails.gitlab-ci.yml

@@ -256,6 +256,8 @@ rspec:coverage:
       - coverage/index.html
       - coverage/assets/
       - tmp/memory_test/
+    reports:
+      cobertura: coverage/coverage.xml
 # EE/FOSS: default refs (MRs, master, schedules) jobs #
 #######################################################
 

Gemfile

@@ -371,6 +371,7 @@ group :development, :test do
   gem 'scss_lint', '~> 0.56.0', require: false
   gem 'haml_lint', '~> 0.34.0', require: false
   gem 'simplecov', '~> 0.18.5', require: false
+  gem 'simplecov-cobertura', '~> 1.3.1', require: false
   gem 'bundler-audit', '~> 0.6.1', require: false
 
   gem 'benchmark-ips', '~> 2.3.0', require: false

Gemfile.lock

@@ -1021,6 +1021,8 @@ GEM
     simplecov (0.18.5)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
+    simplecov-cobertura (1.3.1)
+      simplecov (~> 0.8)
     simplecov-html (0.12.2)
     sixarm_ruby_unaccent (1.2.0)
     slack-messenger (2.3.3)
@@ -1382,6 +1384,7 @@ DEPENDENCIES
   sidekiq-cron (~> 1.0)
   simple_po_parser (~> 1.1.2)
   simplecov (~> 0.18.5)
+  simplecov-cobertura (~> 1.3.1)
   slack-messenger (~> 2.3.3)
   snowplow-tracker (~> 0.6.1)
   spring (~> 2.0.0)

config/karma.config.js

@@ -181,7 +181,7 @@ module.exports = function(config) {
   if (process.env.BABEL_ENV === 'coverage' || process.env.NODE_ENV === 'coverage') {
     karmaConfig.reporters.push('coverage-istanbul');
     karmaConfig.coverageIstanbulReporter = {
-      reports: ['html', 'text-summary'],
+      reports: ['html', 'text-summary', 'cobertura'],
       dir: 'coverage-javascript/',
       subdir: '.',
       fixWebpackSourcePaths: true,

scripts/frontend/merge_coverage_frontend.js

@@ -26,6 +26,6 @@ reportFiles
 
 const context = createContext({ coverageMap: coverageMap, dir: 'coverage-frontend' });
 
-['json', 'lcov', 'text-summary', 'clover'].forEach(reporter => {
+['json', 'lcov', 'text-summary', 'clover', 'cobertura'].forEach(reporter => {
   create(reporter, {}).execute(context);
 });

scripts/merge-simplecov

@@ -2,6 +2,7 @@
 
 require_relative '../spec/simplecov_env'
 SimpleCovEnv.configure_profile
+SimpleCovEnv.configure_formatter
 
 module SimpleCov
   module ResultMerger

spec/simplecov_env.rb

 # frozen_string_literal: true
 
 require 'simplecov'
+require 'simplecov-cobertura'
 require 'active_support/core_ext/numeric/time'
 require_relative '../lib/gitlab/utils'
 
@@ -12,10 +13,19 @@ module SimpleCovEnv
 
     configure_profile
     configure_job
+    configure_formatter
 
     SimpleCov.start
   end
 
+  def configure_formatter
+    SimpleCov.formatters = SimpleCov::Formatter::MultiFormatter.new([
+      SimpleCov::Formatter::SimpleFormatter,
+      SimpleCov::Formatter::HTMLFormatter,
+      SimpleCov::Formatter::CoberturaFormatter
+    ])
+  end
+
   def configure_job
     SimpleCov.configure do
       if ENV['CI_JOB_NAME']