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I think I agree with DHH:

http://david.heinemeierhansson.com/2014/tdd-is-dead-long-liv...

Testing is a Pareto thing: you want to be on the right place on that curve or else you're probably sinking too much effort into it, and not enough on other things.

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Thanks for the article. It is very illuminating.

I hear a lot of buzz on TDD. But I think TDD is not the end. There are complexities in application which is sometimes hard to comprehend before a module is put in place. In those cases DDT (development driven testing) might actually make sense.

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