Rakefile

require 'bundler'
Bundler.setup
Bundler::GemHelper.install_tasks

require 'rake'
require 'rspec/core/rake_task'

desc "Run all examples"
RSpec::Core::RakeTask.new(:spec) do |t|
  t.ruby_opts = %w[-w]
  t.rspec_opts = %w[--color]
end

desc "Default: Run specs"
task :default => [:spec]