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Learning Python by Fabrizio Romano

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Chapter 7. Testing, Profiling, and Dealing with Exceptions

 

"Code without tests is broken by design."

 
 --Jacob Kaplan-Moss

Jacob Kaplan-Moss is one of the core developers of the Django web framework. We're going to explore it in the next chapters. I strongly agree with this quote of his. I believe code without tests shouldn't be deployed to production.

Why are tests so important? Well, for one, they give you predictability. Or, at least, they help you achieve high predictability. Unfortunately, there is always some bug that sneaks into our code. But we definitely want our code to be as predictable as possible. What we don't want is to have a surprise, our code behaving in an unpredictable way. Would you be happy to know that the software that checks ...

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