rspec with cancan/devise/Webrat

http://stackoverflow.com/questions/4200343/rspec-cancan-and-devise

 
1 controller
def mock_user(stubs={})
    @mock_user ||= mock_model(User, stubs).as_null_object
  end

  def mock_link(stubs={})
    (@mock_ak_config ||= mock_model(User).as_null_object).tap do |user|
      user.stub(stubs) unless stubs.empty?
    end
  end

  before(:each) do
    # mock up an authentication in the underlying warden library
    request.env['warden'] = mock(Warden, :authenticate => mock_user,
                                 :authenticate! => mock_user)
    @ability = Object.new
    @ability.extend(CanCan::Ability)
    controller.stub(:current_ability) { @ability }
  end
2 spec_helper.rb
 RSpec.configure do |config|
    # ## Mock Framework
    #
    # If you prefer to use mocha, flexmock or RR, uncomment the appropriate line:
    #
    # config.mock_with :mocha
    # config.mock_with :flexmock
    # config.mock_with :rr

    # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
    config.fixture_path = "#{::Rails.root}/spec/fixtures"

    # If you're not using ActiveRecord, or you'd prefer not to run each of your
    # examples within a transaction, remove the following line or assign false
    # instead of true.
    config.use_transactional_fixtures = true

    # If true, the base class of anonymous controllers will be inferred
    # automatically. This will be the default behavior in future versions of
    # rspec-rails.
    config.infer_base_class_for_anonymous_controllers = false
    config.include Devise::TestHelpers, :type => [:controller, :views]
    config.include ControllerHelpers, :type => :controller


  end

  Webrat.configure do |config|
    config.mode = :rails
  end