Rails generators to use RSpec and FactoryGirl

application.rb

config.generators do |g| 
    g.test_framework(
      :rspec, 
      {
        :fixtures => true, 
        :view_specs => false, 
        :helper_specs => false, 
        :routing_specs => false, 
        :controller_specs => true, 
        :request_specs => true
      }
    ) 

  g.fixture_replacement :factory_girl, :dir => "spec/factories"
end