users_controller_spec.rb

    describe "GET #new" do
      before do
        @user = User.new
        User.stub(:new).and_return(@user)
      end
      
      it "authorizes access" do
        should_authorize(:new, @user)
        get :new
      ned

      it "responds with success" do
        get :new 
        response.should be_success
      end
    end