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#139 - A Developer's Guide to Effective Software Testing - Mauricio Aniche

Tech Lead Journal

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How Mutation Testing Can Help You Find Bugs

Code coverage should not be the main thing. Sometimes we can leave some coverage behind but actually you should have a good reason for that right. Mutation testing helps you to identify this gap and what is the idea the idea is I'm going to create mutants of my codes. If your test suite is very poor, well it doesn't get it doesn't kill any mutant so why would you run mutants in first place right coverage is good enough for you at that moment. And I love the idea of mutation testing it just makes a lot of sense to understand if your tests are good or not.

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