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by ragnese
2074 days ago
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The fake is coupled to the "real" implementation of the interface. But the test that uses the fake is no longer coupled to the implementation of the fake/mock. Instead of counting how many times a method is called (mock), your test just gets to test the outcome of the overall operation (fake). |
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That's an expectation which is an extra optional layer on top of mocking. The important difference between mock and fake is that a separate mock has to be created for every single test, but a fake needs only be created once for all tests that use the faked dependency.