如何在请求规范中存根ApplicationController方法 [英] How to stub ApplicationController method in request spec

问题描述

我需要在Rspec / capybara请求规范中添加 current_user 方法的响应。该方法在 ApplicationController 中定义，并使用helper_method。该方法应仅返回一个用户ID。在测试中，我希望此方法每次都返回相同的用户ID。

I am needing to stub the response of a current_user method in an Rspec/capybara request spec. The method is defined in ApplicationController and is using helper_method. The method should simply return a user id. Within the test, I'd like this method to return the same user id each time.

或者，我可以通过在规范中设置 session [：user_id] 来解决我的问题（这是 current_user 返回）...但这似乎也不起作用。

Alternatively, I could fix my problem by setting session[:user_id] in the spec (which is what current_user returns)... but that doesn't seem to work either.

这两个都可能吗？

编辑：

这是我所拥有的（它不起作用。它只运行常规的current_user方法）。

Here is what I've got (it is not working. It just runs the normal current_user method).

require 'spec_helper'

describe "Login" do

   before(:each) do
     ApplicationController.stub(:current_user).and_return(User.first)
   end

  it "logs in" do
    visit '/'
    page.should have_content("Hey there user!")
  end

end

也无法正常工作：

require 'spec_helper'

describe "Login" do

  before(:each) do
    @mock_controller = mock("ApplicationController") 
    @mock_controller.stub(:current_user).and_return(User.first)
  end

  it "logs in" do
    visit '/'
    page.should have_content("Hey there user!")
  end

end

推荐答案

skalee似乎已在评论中提供了正确答案。

skalee seems to have provided the correct answer in the comment.

如果您要存根的方法是实例方法（最有可能）而不是类方法，则需要使用：

If the method you're trying to stub is an instance method (most likely) and not a class method then you need use:

ApplicationController.any_instance.stub（：current_user）

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