设置方法调用的期望，同时仍然调用原始实现
It appears as though setting any method-call expectation with Mocha prevent the original implementation from being called.
This seems to cover calling the original method with rspec.
Is there a way to do this with Mocha? Or does anyone know why this wouldn't be supported?
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由于几个原因这是不可能的。原因之一是测试方法的副作用和测试方法的调用可以在两个单独的测试中更清楚地完成。我读到的另一个原因是，在纯粹的单元测试中，您不会对另一种方法的副作用做出断言。您将测试调用，然后在该特定方法的单元测试中测试被调用方法的副作用。
This is not possible for a couple reasons. One reason is that testing the side effect of a method and testing the invocation of a method can be done more clearly in two separate tests. Another reason I've read is that in purist unit testing, you wouldn't make an assertion about another method's side effect. You would test the invocation and then test the called methods side effects in unit tests for that specific method.