Rakefile

#!/usr/bin/env rake
require "bundler/gem_tasks"
require 'rake/testtask'

task :default => [:test]

Rake::TestTask.new do |t|
  t.libs.push "lib"
  t.test_files = FileList[File.expand_path('../test/**/*_test.rb', __FILE__)]
  t.verbose = true
end