使用 RSpec 期望方法调用并代理到原始方法

发布于 2024-10-22 08:45:21 字数 450 浏览 1 评论 0原文

我想发现 BDD 缺少 :include ActiveRecord::Base.find 方法的参数。所以我的想法是在规范中包含这样的内容：

ActiveRecord::Base.should_receive(:find).once.and_proxy_to_original_method
parent = SomeClass.find 34
parent.child.should be_loaded
parent.other_children.should be_loaded

如果 #child 或 #other_children 关联没有急切加载，则期望应该会失败，并显示以下内容： “预计 ActiveRecord::Base.find 会被调用一次，但它被调用了 2 次，参数如下：1. ...; 2. ...”

有谁知道是否有一些匹配器可以像这样工作或如何制作这。

谢谢

原文

I want to discover with BDD missing :include params for ActiveRecord::Base.find method. So my idea is to have in spec something like this:

ActiveRecord::Base.should_receive(:find).once.and_proxy_to_original_method
parent = SomeClass.find 34
parent.child.should be_loaded
parent.other_children.should be_loaded

If #child or #other_children associations are not eager loaded, expectation should fail with something like:
"Expected ActiveRecord::Base.find to be invoked once but it was invoked 2 more times with following args: 1. ...; 2. ..."

Does anyone know if there's some matcher that works like this or how to make this.

Thanks

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素染倾城色 2024-10-29 08:45:21

我认为我遇到了同样的问题此处。在你的具体情况下，我会这样做，我发现这很干净。

original_method = ActiveRecord::Base.method(:find)
ActiveRecord::Base.should_receive(:find).once do (*args)
  original_method.call(*args)
end

我相信您可以扩展 Rspec Mocks::MessageExpectation 类以包含 and_proxy_to_original_method 方法，应该不会太难，但我还没有看过。

I think I had the same problem here. In your particular case I would do this which I find quite clean.

original_method = ActiveRecord::Base.method(:find)
ActiveRecord::Base.should_receive(:find).once do (*args)
  original_method.call(*args)
end

I believe you could extend the Rspec Mocks::MessageExpectation class to include the and_proxy_to_original_method method, shouldn't be too hard, but I haven't looked.

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