Why you need unit testing in web development

Unit testing is a practice that's gaining more and more of a presence in the modern software development landscape, especially in agile environments.

A unit test is a short function to test the behaviour of a small unit of production code, producing a pass/fail result. Unit testing is a powerful (and in our opinion, essential) tool for ensuring code quality by enabling developers to catch bugs while still in the development stage. (It's not a bug if the problem was solved before the code reached QA, right?)

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