rspec_warden_devise_hack.rb

# in spec_helper.rb

def mock_warden(scope)
  warden = mock('warden')
  warden.stub!("authenticate_#{scope}!").and_return(true)
  warden.stub!(:authenticate!).and_return(true)
  return warden
end

module ControllerExampleGroupBehaviour
  %w[get post put delete head].map do |method|

    alias_method "orig_#{method}", method

    eval <<-CODE
      def #{method}(*args)
        action = args.shift
        params = args.shift || {}
        args << {'warden' => @warden}
        orig_#{method} action, params, *args
      end
    CODE
  end
end

# in controller specs

before(:each) do
  # log in as a subscriber
  @warden = mock_warden(:subscriber)
end