Rails如何修复格式错误的请求(错误代码400)

Question

我正在为api运行RSpec，特别是为了创建帖子（我也在处理：update和：destroy，但这两个运行得很好。我在：create方面遇到了问题）

这是我的RSpec:

describe "POST create" do
   before { post :create, topic_id: my_topic.id, post: {title: @new_post.title, body: @new_post.body} }
   it "returns http success" do
     expect(response).to have_http_status(:success)
   end
   it "returns json content type" do
     expect(response.content_type).to eq 'application/json'
   end
   it "creates a topic with the correct attributes" do
     hashed_json = JSON.parse(response.body)
     expect(hashed_json["title"]).to eq(@new_post.title)
     expect(hashed_json["body"]).to eq(@new_post.body)
   end
 end

这是我创建的

def create
    post = Post.new(post_params)
    if post.valid?
      post.save!
      render json: post.to_json, status: 201
    else
      render json: {error: "Post is invalid", status: 400}, status: 400
    end
  end

这是我一直得到的错误代码：

.........F.F....
Failures:
  1) Api::V1::PostsController authenticated and authorized users POST create returns http success
     Failure/Error: expect(response).to have_http_status(:success)
       expected the response to have a success status code (2xx) but it was 400
     # ./spec/api/v1/controllers/posts_controller_spec.rb:78:in `block (4 levels) in <top (required)>'

我真的不确定代码出了什么问题。这些路线运行良好。我怎样才能通过考试？

Answer 1

要获得@spickermann建议的更好的解决方案，请在#create操作中将post更改为@post，并将下面的代码添加到您的规范中，然后从那里开始工作。我敢打赌，你必须在控制器中执行类似@post.user = current_user的操作。

it "@post is valid and have no errors" do
  expect(assigns[:post]).to be_valid
  expect(assigns[:post].errors).to be_empty
end