如何使用RSpec和Devise / CanCan进行集成测试？ [英] How to do integration testing with RSpec and Devise/CanCan?

问题描述

如果我有一个Devise模型用户，其中只有那些具有角色：admin的用户可以查看某个url，那么如何编写一个RSpec集成测试来检查该URL的状态是否返回200？

  def login（user）
 post user_session_path，：email => user.email，：password => 'password'
 end 
  

这个问题的答案是伪建议的： a href =http://stackoverflow.com/questions/5787409/stubbing-authentication-in-request-spec>请求规范中的Stubbing身份验证，但我不能让我的生活得到与设计工作。 CanCan在检查能力时收到一个无效的用户，自然没有正确的权限。

集成规范中无法访问控制器，所以我可以' t stub current_user，但我想做这样的事情。

 描述GET / usersdo 
它应该能够得到do 
 clear_users_and_add_admin #does它说... 
登录（管理）
 get users_path 
 response.status.should be（200）
 end 
 end 
  

注意!!! ：所有这一切都已经改变了，因为问题被提出。目前最好的方式是： http://github.com/plataformatec / devise / wiki / How-To：-Test-with-Capybara

解决方案

@ pschuegr自己的答案让我跨线为了完整性，这是我所做的，让我轻松地设置了请求规格和控制器规范（使用FactoryGirl创建用户实例）：

in / spec /支持/ sign_in_support.rb：

  #module帮助控制器规范
模块ValidUserHelper 
 def signed_in_as_a_valid_user 
 @user || = FactoryGirl.create：user 
 sign_in @user＃方法from devise：TestHelpers 
 end 
 end 
 
＃module for help request specs 
模块ValidUserRequestHelper 
 
＃用于请求规范
 def sign_in_as_a_valid_user 
 @user || = FactoryGirl.create：user 
 post_via_redirect user_session_path，'user [email ]'=> @ user.email，'user [password]'=> @ user.password 
 end 
 end 
 
 RSpec.configure do | config | 
 config.include ValidUserHelper，：type => ：controller 
 config.include ValidUserRequestHelper，：type => ：请求
 end 
  

然后在请求规范中：

 描述GET / thingsdo 
它测试访问的东西，与登录用户一起工作do 
 sign_in_as_a_valid_user 
 get things_path 
 response.status.should be（200）
 end 
 end 
 
描述GET / thingsdo 
它测试访问事物，不工作没有登录用户do 
 get things_path 
 response.status.should be（302）＃redirect to sign in page 
 end 
 end 
并且类似地，在控制器规范中使用'signed_in_as_valid_user'（其中包含来自FactoryGirl的用户的Devise :: TestHelpers sign_in方法） 
 
If I have a Devise model User, of which only those users with role :admin are allowed to view a certain url, how can I write an RSpec integration test to check that the status returns 200 for that url?
def login(user)
  post user_session_path, :email => user.email, :password => 'password'
end
This was pseudo-suggested in the answer to this question: Stubbing authentication in request spec, but I can't for the life of me get it to work with devise.  CanCan is receiving a nil User when checking Ability, which doesn't have the correct permissions, naturally.

There's no access to the controller in integration specs, so I can't stub current_user, but I'd like to do something like this.
describe "GET /users" do
  it "should be able to get" do
    clear_users_and_add_admin #does what it says...
    login(admin)
    get users_path
    response.status.should be(200)
  end
end
NOTE!!!:  all this has changed since the question was asked.  The current best way to do this is here: http://github.com/plataformatec/devise/wiki/How-To:-Test-with-Capybara
解决方案
@pschuegr's own answer got me across the line. For completeness, this is what I did that gets me easily set up for both request specs and controller specs (using FactoryGirl for creating the user instance):

in /spec/support/sign_in_support.rb:
#module for helping controller specs
module ValidUserHelper
  def signed_in_as_a_valid_user
    @user ||= FactoryGirl.create :user
    sign_in @user # method from devise:TestHelpers
  end
end

# module for helping request specs
module ValidUserRequestHelper

  # for use in request specs
  def sign_in_as_a_valid_user
    @user ||= FactoryGirl.create :user
    post_via_redirect user_session_path, 'user[email]' => @user.email, 'user[password]' => @user.password
  end
end

RSpec.configure do |config|
  config.include ValidUserHelper, :type => :controller
  config.include ValidUserRequestHelper, :type => :request
end
Then in request spec:
describe "GET /things" do
  it "test access to things, works with a signed in user" do
    sign_in_as_a_valid_user
    get things_path
    response.status.should be(200)
  end
end

describe "GET /things" do
  it "test access to things, does not work without a signed in user" do
    get things_path
    response.status.should be(302) # redirect to sign in page
  end
end
and similarly, use 'signed_in_as_valid_user' in controller specs (which wraps Devise::TestHelpers sign_in method with a user from FactoryGirl)

                        
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