Add codeclimate test reporter (CI only)

requires repo admin to add
CODECLIMATE_REPO_TOKEN
to the CI env

.simplecov

@@ -81,8 +81,12 @@ end.new do
   SimpleCov.start 'app'
   if @generate_report
     if @running_ci
-      @output.puts '[COVERAGE] Running with SimpleCov Simple Formatter'
-      formatters = [SimpleCov::Formatter::SimpleFormatter]
+      require 'codeclimate-test-reporter'
+      @output.puts '[COVERAGE] Running with SimpleCov Simple Formatter and CodeClimate Test Reporter'
+      formatters = [
+        SimpleCov::Formatter::SimpleFormatter,
+        CodeClimate::TestReporter::Formatter
+      ]
     else
       @output.puts '[COVERAGE] Running with SimpleCov HTML Formatter'
       formatters = [SimpleCov::Formatter::HTMLFormatter]

Gemfile

@@ -20,5 +20,9 @@ group :test, :development do
   gem 'simplecov', '~> 0.10', require: false
 end
 
+group :test do
+  gem 'codeclimate-test-reporter', require: false
+end
+
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]