Comments conrtoller test ActionController::UrlGenerationError

Question

When run rake test , I get this error: ActionController::UrlGenerationError

my routes.rb

  resources :posts do
    resources :comments, only: [ :create,:destroy ]
  end

comments.yml

one:
  body: "comment one"
  user: users(:paul)
  post: posts(:one)

comments_controller_test.rb

  def setup
    @comment = comments(:one)
  end

  test "should redierct create when not signed in" do 
    assert_no_difference "Comment.count" do
      post :create, comment: @comment.attributes
    end
    assert_redirected_to signin_url
  end

comments_controller.rb

  def create
    @comment = @post.comments.build(comment_params.merge(user: current_user))
    @comment.save
    @comments = @post.comments.all
    respond_to do |format|
      format.html { redirect_to @post }
      format.js 
    end
  end

Complete error message

ERROR["test_should_redierct_create_when_not_signed_in", CommentsControllerTest, 0.444971] test_should_redierct_create_when_not_signed_in#CommentsControllerTest (0.44s) ActionController::UrlGenerationError:
ActionController::UrlGenerationError: No route matches {:action=>"create", :comment=>{"id"=>"980190962", "body"=>"comment one", "post_id"=>"849819558", "user_id"=>"293831562", "created_at"=>"2014-11-16 10:45:03 UTC", "updated_at"=>"2014-11-16 10:45:03 UTC"}, :controller=>"comments"}

How should I modify my test code?

Answer 1

我认为您需要明确告知父记录ID（post_id），以便Rails可以形成正确的发布路径，请尝试以下操作：

post :create, comment: @comment.attributes, post_id: @comment.post_id