Add code coverage

Adding code coverage to the project using 'simplecov' and 'coveralls'.

.simplecov

@@ -0,0 +1,7 @@
+SimpleCov.start do
+  root __dir__
+
+  add_filter '/testing/'
+
+  merge_timeout 300
+end

README.md

@@ -1,6 +1,7 @@
 [![Gem Version](https://badge.fury.io/rb/cuke_linter.svg)](https://rubygems.org/gems/cuke_linter)
 [![Build Status](https://travis-ci.org/enkessler/cuke_linter.svg?branch=master)](https://travis-ci.org/enkessler/cuke_linter)
 [![Build Status](https://ci.appveyor.com/api/projects/status/g5o70u747x073evy?svg=true)](https://ci.appveyor.com/project/enkessler/cuke-linter)
+[![Coverage Status](https://coveralls.io/repos/github/enkessler/cuke_linter/badge.svg?branch=dev)](https://coveralls.io/github/enkessler/cuke_linter?branch=dev)
 [![Project License](https://img.shields.io/badge/license-MIT-blue.svg)](https://opensource.org/licenses/mit-license.php)
 
 

Rakefile

@@ -1,5 +1,7 @@
 require 'rake'
 require 'racatt'
+require 'coveralls/rake/task'
+
 
 
 namespace 'racatt' do
@@ -16,7 +18,10 @@ namespace 'cuke_linter' do
     Rake::Task['racatt:test_everything'].invoke(rspec_args, cucumber_args)
   end
 
-  task :ci_build => 'cuke_linter:test_everything'
+  # creates coveralls:push task
+  Coveralls::RakeTask.new
+
+  task :ci_build => ['cuke_linter:test_everything', 'coveralls:push']
 end
 
 

cuke_linter.gemspec

@@ -31,4 +31,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 12.0"
   spec.add_development_dependency "require_all", "~> 2.0"
   spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency 'simplecov', '< 1.0.0'
+  spec.add_development_dependency 'coveralls', '< 1.0.0'
 end

environments/cucumber_env.rb

@@ -1,3 +1,6 @@
+require 'simplecov'
+SimpleCov.command_name('cucumber_tests')
+
 require_relative 'common_env'
 require 'cucumber'
 

environments/rspec_env.rb

@@ -1,3 +1,6 @@
+require 'simplecov'
+SimpleCov.command_name('rspec_tests')
+
 require_relative 'common_env'
 require 'rspec'
 require 'rubygems/mock_gem_ui'