How to Write Testable Code and Why it Matters
深入浅出的介绍如何编写可测试的代码，区分单元测试和集成测试的区别，如何使用IoC等技巧。
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深入浅出的介绍如何编写可测试的代码，区分单元测试和集成测试的区别，如何使用IoC等技巧https://www.toptal.com/qa/how-to-write-testable-code-and-why-it-matters