Functional Testing

Hi all,

I am new in Testing I want to test my oauth controller which is using facebook login and callback I want to prepare the test case for that

and

home controller contains

class HomeController < ApplicationController     layout 'home',:only=>["new"]

    before_filter :authenticate_user!, :only=>['new']

    def index       redirect_to home_path if current_user     end

    #This method display for all type of videos in home page     def new       #render :index       @videos,@prev,@next= params[:page] ? Video.display_videos(params[:page].to_i) : Video.display_videos

    end

  end

which uses devise I have written the test case like this

include Devise::TestHelpers

  test "set up " do     @controller = HomeController.new     @request= ActionController::TestRequest.new     @response= ActionController::TestResponse.new   end

  test " Test Index Method" do      get :index      assert_response :success      assert_nil assigns(:home)

     assert_tag :tag => 'div',           :attributes => { :class => 'w1' }

     assert_response 200     assert_template 'home/index' # test that the correct view file would be rendered

  end

  test "testing routes " do           assert_routing "home", { :controller => 'home',:action => 'new' } # assert_routing lets you test the routes defined in config/ routes.rb   end

  test " Test new Method " do     get :new     assert_response 302, @response.body

  end

but unable to write the test case for redirect

any one's help is accepted please help me

Thanks in advance and for ever.............