Enforce code coverage minimum

Gemfile

@@ -20,10 +20,10 @@ group :doc do
 end
 
 group :test do
-  gem 'coveralls', :require => false, :platforms => [:mri_19, :mri_20, :mri_21, :mri_22]
+  gem 'coveralls', :require => false
   gem 'faker', '>= 1.2'
   gem 'rest-client', '~> 1.6.0', :platforms => [:jruby, :ruby_18]
   gem 'rspec', '>= 3'
-  gem 'rubocop', '>= 0.27', :platforms => [:ruby_19, :ruby_20, :ruby_21, :ruby_22]
-  gem 'simplecov', '>= 0.4', :platforms => :ruby_19
+  gem 'rubocop', '>= 0.33', :platforms => [:jruby, :ruby_19, :ruby_20, :ruby_21, :ruby_22]
+  gem 'simplecov', '>= 0.4'
 end

Rakefile

@@ -1,31 +1,18 @@
-begin
-  require 'bundler'
-  Bundler::GemHelper.install_tasks
-rescue LoadError
-  $stderr.puts 'Bundler not installed. You should install it with: gem install bundler'
-end
-
 $LOAD_PATH << File.expand_path('./lib', File.dirname(__FILE__))
 require 'bluepill/version'
 
-require 'rspec/core/rake_task'
+require 'bundler'
+Bundler::GemHelper.install_tasks
 
+require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new
 
-if RUBY_VERSION >= '1.9'
-  RSpec::Core::RakeTask.new(:cov) do |t|
-    ENV['ENABLE_SIMPLECOV'] = '1'
-    t.ruby_opts = '-w'
-    t.rcov_opts = '-Ilib --exclude "spec/*,gems/*"'
-  end
-end
-
 begin
   require 'rubocop/rake_task'
   RuboCop::RakeTask.new
 rescue LoadError
   task :rubocop do
-    $stderr.puts 'Rubocop is disabled'
+    $stderr.puts 'RuboCop is disabled'
   end
 end
 

spec/spec_helper.rb

@@ -1,12 +1,13 @@
 if RUBY_VERSION >= '1.9'
-  if ENV['ENABLE_SIMPLECOV']
-    require 'simplecov'
-    SimpleCov.start
-  end
-  begin
-    require 'coveralls'
-    Coveralls.wear!
-  rescue LoadError
+  require 'simplecov'
+  require 'coveralls'
+
+  SimpleCov.formatters = [SimpleCov::Formatter::HTMLFormatter, Coveralls::SimpleCov::Formatter]
+
+  SimpleCov.start do
+    add_filter '/spec/'
+    add_filter '/vendor/'
+    minimum_coverage(41.06)
   end
 end