should_receive 和 should_not_receive 的 RSpec 都通过异常 [英] RSpec for should_receive and should_not_receive both passed for Exception

问题描述

我有一个非常奇怪的 rspec 案例场景.我试图测试我的函数是否正确处理异常.以下是我的代码:

I had a really weird rspec case scenario. I tried to test if my function handles exception correctly. And the following is my code:

在 User.rb 中:

in User.rb:

def welcome_user
      begin
        send_welcome_mail(self)
      rescue Exception => exception
         ErrorMessage.add(exception, user_id: self.id)
      end
    end
end

在 user_spec.rb 中

in user_spec.rb

it "adds to error message if an exception is thrown" do
  mock_user = User.new
  mock_user.stub(:send_welcome_mail).and_raise(Exception)
  ErrorMessage.should_receive(:add)
  mock_user.welcome_user
end

测试通过了，但是当我把ErrorMessage.should_receive(:add)改成ErrorMessage.should_not_receive(:add)时，它也通过了，有什么见解吗?>

The test passed, but when I change ErrorMessage.should_receive(:add) to ErrorMessage.should_not_receive(:add), It also passed, any insights?

推荐答案

自从 rspec 2.11 暴露了我的一个测试表现出这种异常"，我决定在 github 上提出这个问题.您可以关注 https://github.com/rspec/rspec-mocks/issues/164

Since rspec 2.11 exposed one of my tests to exhibit such "abnormality", I decided to raise the issue on github. You may following the discussion at https://github.com/rspec/rspec-mocks/issues/164

总结:any_instance.should_not_receive未定义，避免

Summary: any_instance.should_not_receive is undefined, avoid

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