ruby-on-rails - Rails 4 + Rails-API + RSpec + Devise - 使用自定义设计路由对 Controller 进行故障测试

Question

我目前正在构建 API 并尝试测试我的 Controller 。我收到无法解决的与 Devise 相关的错误。这是我目前拥有的:

# /spec/requests/api/v1/sessions_spec.rb
require 'spec_helper'

describe API::V1::SessionsController do
  describe "POST /sessions" do
    it "on success, returns the user's authentication token" do
      user = FactoryGirl.create(:user)

      user_params = {
        "user" => {
          "email" => user.email,
          "password" => user.password
        }
      }.to_json

      post "/api/v1/sessions", user_params

      expect(response.status).to eq(200)
      json = JSON.parse(response.body)
      expect(json['authentication_token']).to eq(user.authentication_token)
    end
  end
end


# /app/controllers/api/v1/sessions_controller.rb
class API::V1::SessionsController < Devise::SessionsController
  respond_to :json

  def create
  end
end


# routes.rb
MyApplication::Application.routes.draw do
  namespace :api, defaults: { format: :json } do
    namespace :v1 do
      devise_scope :user do
        post 'sessions' => 'sessions#create', :as => 'login'
      end
    end
  end
end

我目前得到的错误是:

1) API::V1::SessionsController POST /sessions on success, returns the user's authentication token
 Failure/Error: post "/api/v1/sessions", user_params
 AbstractController::ActionNotFound:
   Could not find devise mapping for path "/api/v1/sessions".
   This may happen for two reasons:

   1) You forgot to wrap your route inside the scope block. For example:

     devise_scope :user do
       get "/some/route" => "some_devise_controller"
     end

   2) You are testing a Devise controller bypassing the router.
      If so, you can explicitly tell Devise which mapping to use:

      @request.env["devise.mapping"] = Devise.mappings[:user]
 # ./spec/requests/api/v1/sessions_spec.rb:21:in `block (3 levels) in <top (required)>'

我四处寻找这个问题的解决方案，并尝试了很多不同的问题。此处问题的解决方案 ( How to write controller tests when you override devise registration controller? ) 表示将以下代码放在规范的 before block 中。

before :each do
  request.env['devise.mapping'] = Devise.mappings[:user]
end

但是当我将它添加到我的 Controller 时，我收到另一个错误消息:

1) API::V1::SessionsController POST /sessions on success, returns the user's     authentication token
 Failure/Error: request.env['devise.mapping'] = Devise.mappings[:user]
 NoMethodError:
   undefined method `env' for nil:NilClass
 # ./spec/requests/api/v1/sessions_spec.rb:7:in `block (2 levels) in <top (required)>'

这里的另一个问题的解决方案 (undefined method 'env' for nil:NilClass) 说尝试将 include Devise::TestHelpers 添加到规范中，但是当我这样做时，返回相同的错误。

我目前使用的gems:

rails (4.0.2)

rails API (0.2.0)

rspec-rails (2.14.1)

设计(3.2.2)

使用这两个教程作为指南:https://lucatironi.github.io/tutorial/2012/10/15/ruby_rails_android_app_authentication_devise_tutorial_part_one/

http://commandercoriander.net/blog/2014/01/04/test-driving-a-json-api-in-rails/

任何帮助将不胜感激，谢谢!

Answer 1

我想我可能已经解决了这个问题。看来我必须在 api 命名空间 block 之外添加一个 devise_for :

MyApplication::Application.routes.draw do

  devise_for :users, skip: [:sessions, :passwords, :registrations]

  namespace :api, defaults: { format: :json } do
    namespace :v1 do
      devise_scope :user do
        post 'sessions' => 'sessions#create', :as => 'login'
      end
    end
  end
end

如果我在测试时遇到任何其他问题，我会将问题开放一段时间。