rake file for rcov

rcov.rake

require 'cucumber/rake/task'
require 'rspec/core/rake_task'

namespace :rcov do
  Cucumber::Rake::Task.new(:cucumber) do |t|
    t.rcov = true
    t.rcov_opts = %w{--rails --exclude spec\/,features\/ --aggregate coverage.data}
    t.rcov_opts << %[-o "coverage"]
  end

  RSpec::Core::RakeTask.new(:rspec) do |t|
    t.pattern = 'spec/**/*_spec.rb'
    t.rcov = true
    t.rcov_opts =  %q[--rails --exclude "spec/*,gems/*,features/*" --aggregate "coverage.data"]
  end

  desc "Run both specs and features to generate aggregated coverage"
  task :all do |t|
    rm "coverage.data" if File.exist?("coverage.data")
    Rake::Task["rcov:cucumber"].invoke
    Rake::Task["rcov:rspec"].invoke
  end
end