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Opinion: Your Tests Can't See What a Migration Destroys — Dry-Run It on a Clone

This story is from 2026-08-23. It is preserved in the archive; the latest stories are on the live feed.

Opinion: Your Tests Can't See What a Migration Destroys — Dry-Run It on a Clone A green test suite is the wrong tool for judging an AI-generated migration, because tests run against the post-migration schema and never observe the intermediate states where data disappears. The up migration is the vi…

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  1. 2026-08-23 00:38 · DEV Community — AI
    Opinion: Your Tests Can't See What a Migration Destroys — Dry-Run It on a Clone

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