The Mutant Run: Catching Weakened Tests in an OSS Patch With Three Git Worktrees
This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.
A patch lands on a small utility library. It adds the missing test for a paging helper, fixes a ceiling-division bug, and, in the same commit, rewrites two older assertions into looser >= comparisons. CI is green, the diff reads cleanly, and the review takes ninety seconds. Six weeks later, a pagin…
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- 2026-10-19 08:10 · DEV Community — AI
The Mutant Run: Catching Weakened Tests in an OSS Patch With Three Git Worktrees