ApplicationController mock tryout with rspec-mock

requests_helpers.rb

#spec/support/prefork/request_helpers.rb
module RequestHelpers
  def sign_in
    controllers_to_mock.each do |controller|
      controller.any_instance.stub(:current_user).and_return(user)
      controller.any_instance.stub(:signed_in?).and_return(true)
    end
    ensure_signed_in
  end
 
  def sign_out
    controllers_to_mock.each do |controller|
      controller.any_instance.unstub(:current_user)
      controller.any_instance.unstub(:signed_in?)
    end
  end


  private 

  def controllers_to_mock
    ApplicationController.subclasses[3..-1]
  end
end