Merge branch 'simple-cov' into 'master'

Generate coverage report from whole test suite

Extends our CI plan to merge all coverage results and generate HTML report.

See merge request !5018

2 files changed, 56 insertions, 4 deletions

diff --git a/spec/simplecov_env.rb b/spec/simplecov_env.rb
new file mode 100644
index 00000000000..6f8f7109e14
--- /dev/null
+++ b/spec/simplecov_env.rb
@@ -0,0 +1,54 @@
+require 'simplecov'
+
+module SimpleCovEnv
+  extend self
+
+  def start!
+    return unless ENV['SIMPLECOV']
+
+    configure_profile
+    configure_job
+
+    SimpleCov.start
+  end
+
+  def configure_job
+    SimpleCov.configure do
+      if ENV['CI_BUILD_NAME']
+        coverage_dir "coverage/#{ENV['CI_BUILD_NAME']}"
+        command_name ENV['CI_BUILD_NAME']
+      end
+
+      if ENV['CI']
+        SimpleCov.at_exit do
+          # In CI environment don't generate formatted reports
+          # Only generate .resultset.json
+          SimpleCov.result
+        end
+      end
+    end
+  end
+
+  def configure_profile
+    SimpleCov.configure do
+      load_profile 'test_frameworks'
+      track_files '{app,lib}/**/*.rb'
+
+      add_filter '/vendor/ruby/'
+      add_filter 'config/initializers/'
+
+      add_group 'Controllers', 'app/controllers'
+      add_group 'Models', 'app/models'
+      add_group 'Mailers', 'app/mailers'
+      add_group 'Helpers', 'app/helpers'
+      add_group 'Workers', %w(app/jobs app/workers)
+      add_group 'Libraries', 'lib'
+      add_group 'Services', 'app/services'
+      add_group 'Finders', 'app/finders'
+      add_group 'Uploaders', 'app/uploaders'
+      add_group 'Validators', 'app/validators'
+
+      merge_timeout 7200
+    end
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 3638dcbb2d3..4f3aacf55be 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,7 +1,5 @@
-if ENV['SIMPLECOV']
-  require 'simplecov'
-  SimpleCov.start :rails
-end
+require './spec/simplecov_env'
+SimpleCovEnv.start!
 
 ENV["RAILS_ENV"] ||= 'test'