Rails、Restful 身份验证和RSpec - 如何测试需要身份验证的新模型

问题描述：

我使用 Bort 创建了一个学习应用程序，这是一个包含 Restful Authentication 和 RSpec 的基础应用程序.我已经启动并运行并添加了一个新对象，该对象要求用户先登录才能执行任何操作(before_filter :login_required 在控制器中).

I've created a learning application using Bort, which is a base app that includes Restful Authentication and RSpec. I've got it up and running and added a new object that requires users to be logged in before they can do anything(before_filter :login_required in the controller). [edit: I should also mention that the user has_many of the new class and only the user should be able to see it.]

我使用 Rspec 的生成器创建了新模型/控制器，这些生成器创建了许多默认测试.如果没有 before_filter，它们都会通过，但正如预期的那样，一旦 before_filter 就位，它们都会失败.

I've created the new model/controller using Rspec's generators which have created a number of default tests. They all pass if there is no before_filter but several fail, as should be expected, once the before_filter is in place.

如何让生成的测试像有/没有登录用户一样运行?我是否需要一整批未登录的匹配项 - 重定向测试?我认为这是某种模拟或固定技术，但我是 RSpec 的新手并且有点飘忽不定.好的 RSpec 教程链接也将不胜感激.

How do I get the generated tests to run as if there is/is not a logged in user? Do I need a whole batch of matching not logged in - redirect tests? I assume it is some sort of mocking or fixture technique but I am new to RSpec and a bit adrift. Good RSpec tutorial links would also be appreciated.

答

我有一个非常相似的设置，下面是我目前用来测试这些东西的代码.在我输入的每个 describe 中:

I have a very similar setup, and below is the code I'm currently using to test this stuff. In each of the describes I put in:

it_should_behave_like "login-required object"
def attempt_access; do_post; end

如果您只需要登录，或者

If all you need is a login, or

it_should_behave_like "ownership-required object"
def login_as_object_owner; login_as @product.user; end
def attempt_access; do_put; end
def successful_ownership_access
  response.should redirect_to(product_url(@product))
end

如果您需要所有权.显然，辅助方法每轮都会改变(很少)，但这为您完成了大部分工作.这是在我的 spec_helper.rb 中

If you need ownership. Obviously, the helper methods change (very little) with each turn, but this does most of the work for you. This is in my spec_helper.rb

shared_examples_for "login-required object" do
  it "should not be able to access this without logging in" do
    attempt_access

    response.should_not be_success
    respond_to do |format|
      format.html { redirect_to(login_url) }
      format.xml { response.status_code.should == 401 }
    end
  end
end

shared_examples_for "ownership-required object" do
  it_should_behave_like "login-required object"

  it "should not be able to access this without owning it" do
    attempt_access

    response.should_not be_success
    respond_to do |format|
      format.html { response.should be_redirect }
      format.xml { response.status_code.should == 401 }
    end
  end

  it "should be able to access this if you own it" do
    login_as_object_owner
    attempt_access

    if respond_to?(:successful_ownership_access)
      successful_ownership_access
    else
      response.should be_success
    end
  end
end

Rails、Restful 身份验证和RSpec - 如何测试需要身份验证的新模型

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