Is TDD Dead?

17 January

Fear not, TDD is not dead, although it’s certainly been talked to death. This catchy title has been doing the rounds on the web recently since the Kent Beck + Martin Fowler + David Heinemeier Hansson talks. For me it all started about 2 months ago when I watched Ian Cooper’s talk on TDD, Where did it all go wrong. I’ve been told over and over, that unit testing gives you the freedom to change code with the safety of maintaining functionality for the customer. So refactoring is the process of changing code without changing functionality, and those like Kent Beck would advocate your test suites allow you to safety refactor to design patterns as they emerge in the system. Yet this video struck a chord, I struggle to refactor code without breaking tests, and so lose confidence that the functionality is unchanged as the tests are now different. Ian’s video addresses these points by highlighting different approaches and definitions to unit testing, and asks is the way some of use do TDD slowing us down.

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