Chapter 24. xUnit Retrospective
If the time comes for you to implement your own testing framework, then the sequence presented in Part II of this book can serve as your guide. The details of the implementation are not nearly as important as the test cases. If you can support a set of test cases like the ones given here, then you can write tests that are isolated and can be composed, and you will be on your way to being able to develop test-first.
xUnit has been ported to more than 30 programming languages as of this writing. Your language is likely to have an implementation already. But there are a couple of reasons for implementing xUnit yourself, even if there is a version already available:
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Mastery— The spirit of xUnit is simplicity. Martin ...
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