[英]Rspec: Testing nested destroy action
I am trying to test the 'destroy' action for my nested comments controller. 我正在尝试为嵌套的注释控制器测试“破坏”操作。 Post has_many Comments
. Post has_many Comments
。 I have ran into similar issues before and understand that I need to pass an id, but I'm still running into a very familiar error... 我以前也遇到过类似的问题,并且了解我需要传递一个id,但是我仍然遇到一个非常熟悉的错误...
Failures:
1) CommentsController#DELETE destroy deletes a comment
Failure/Error: delete :destroy, comment: create(:comment), post_id: @post
ActionController::UrlGenerationError:
No route matches {:action=>"destroy", :comment=>"1", :controller=>"comments", :post_id=>"1"}
# ./spec/controllers/comments_controller_spec.rb:19:in `block (3 levels) in <top (required)>'
comments_controller_spec.rb comments_controller_spec.rb
RSpec.describe CommentsController, :type => :controller do
before :each do
@post = FactoryGirl.create(:post)
end
....
describe '#DELETE destroy' do
it 'deletes a comment' do
delete :destroy, comment: create(:comment), post_id: @post
expect(response).to redirect_to post_path
end
end
end
comments_controller.rb comments_controller.rb
def destroy
@post = Post.find(params[:post_id])
@comment = @post.comments.find(params[:id])
@comment.destroy
redirect_to post_path(@post)
end
routes.rb routes.rb
resources :posts do
resources :comments
end
rake routes 耙路
☹ rake routes
Prefix Verb URI Pattern Controller#Action
root GET / posts#index
post_comments GET /posts/:post_id/comments(.:format) comments#index
POST /posts/:post_id/comments(.:format) comments#create
new_post_comment GET /posts/:post_id/comments/new(.:format) comments#new
edit_post_comment GET /posts/:post_id/comments/:id/edit(.:format) comments#edit
post_comment GET /posts/:post_id/comments/:id(.:format) comments#show
PATCH /posts/:post_id/comments/:id(.:format) comments#update
PUT /posts/:post_id/comments/:id(.:format) comments#update
DELETE /posts/:post_id/comments/:id(.:format) comments#destroy
posts GET /posts(.:format) posts#index
POST /posts(.:format) posts#create
new_post GET /posts/new(.:format) posts#new
edit_post GET /posts/:id/edit(.:format) posts#edit
post GET /posts/:id(.:format) posts#show
PATCH /posts/:id(.:format) posts#update
PUT /posts/:id(.:format) posts#update
DELETE /posts/:id(.:format) posts#destroy
The route that you want to request is this: 您要请求的路线是这样的:
/posts/:post_id/comments/:id(.:format)
But you are sending the following parameters: 但是您要发送以下参数:
{:action=>"destroy", :comment=>"1", :controller=>"comments", :post_id=>"1"}
You need to send the comment.id
as the id
parameter. 您需要发送comment.id
作为id
参数。
Try this: 尝试这个:
describe '#DELETE destroy' do
it 'deletes a comment' do
comment = create(:comment)
@post.comments << comment
# Also, test if the action really deletes a comment.
expect{delete :destroy, id: comment.id, post_id: @post}.
to change{@post.comments.count}.by(-1)
expect(response).to redirect_to post_path
end
end
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