mutation testing

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Hand-drawn editorial illustration of a paper checklist with every box ticked while a small coral beetle walks off the edge of the page, a lavender magnifying glass lying unused beside it

AI wrote your tests and they all pass. Do they prove anything? Unit vs integration tests

A test the AI wrote by reading your code can only agree with your code, bugs included. What unit and integration tests each catch, why coverage misleads, and how a mutation score shows whether your tests would notice a bug, from Fowler, Google, Stryker and PIT.

Aliteq Team · 14h ago · 9 min