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AI-Generated Unit Tests: 100% Coverage, 0 Bugs Caught

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

The agent finished in about four minutes. Ninety-one tests, all green, 100% line coverage on a service I had been meaning to test properly for a year. I felt great for roughly one day. Then a null in a config field took the thing down in staging, and I went looking for the test that should have cau…

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  1. 2026-08-28 03:52 · DEV Community — AI
    AI-Generated Unit Tests: 100% Coverage, 0 Bugs Caught

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