rake task that install jasmine-jquery helper for Rails and pure jasmine inited env

jasmine.rake

# -*- mode: ruby -*-

#
# put this code #{Rails.root}/lib/tasks or jasmine Rakefile
#

namespace :jasmine do
  desc "Install jasmine-jquery"
  task "install-jquery" do
    require "open-uri"

    base_dir = Rails.root.nil? ? File.dirname(__FILE__) : Rails.root
    File.open( File.join( base_dir,
                    'spec/javascripts/helpers/jasmine-jquery.js'), 'w' ) { |f|
      f.puts URI('https://raw.github.com/velesin/jasmine-jquery/master/lib/jasmine-jquery.js').read
    }

    fixture_dir = File.join( base_dir, 'spec/javascripts/fixtures' )
    FileUtils.mkdir( fixture_dir ) unless File.exist?( fixture_dir )
  end
end