mutant raje tasj

mutant.rake

# On production devtools is not loaded
if defined?(Devtools)
  # Load all rake tasks
  Rake.application.load_imports

  # Remove metrics:mutant from devtools
  task('metrics:mutant').clear

  namespace :metrics do
    allowed_versions = %w[mri-1.9.3 mri-2.0.0 rbx-1.9.3]

    if allowed_versions.include?(Devtools.rvm)
      require 'mutant'

      desc 'Run mutant'
      task mutant: :coverage do

        # Eager load application and dependencies
        require File.expand_path('../../../config/environment', __FILE__)

        status = Mutant::CLI.run(%w[--use rspec ::MyApp*])

        if status.nonzero?
          Devtools.notify_metric_violation 'Mutant task is not successful'
        end
      end
    else
      desc 'Run Mutant'
      task mutant: :coverage do
        $stderr.puts 'Mutant is disabled'
      end
    end
  end
end