Unit Tests: The Greatest Lie We Tell Ourselves?
SMRTR summary
A developer deployed code with 94.7% test coverage and perfect unit tests, only to have production crash while hiking a mountain in Karnataka. The failure revealed that comprehensive unit tests couldn't catch environment differences, race conditions, and configuration issues that only surfaced in real-world conditions.
SMRTR provides this summary for quick context. The original article belongs to Dev.to.
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