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Use --changedSince for Jest tests in CI #4660

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Use --changedSince for Jest tests in CI#4660
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accepting prsGo ahead, send a pull request that resolves this issueenhancementNew feature or requestlocked due to agePlease open a new issue if you'd like to say more. See https://typescript-eslint.io/contributing.repo maintenancethings to do with maintenance of the repo, and not with code/docstestsanything to do with testing
@JoshuaKGoldberg

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@JoshuaKGoldberg
JoshuaKGoldberg
opened on Mar 9, 2022

Overview

Even with SWC replacing Babel (#4583), unit tests on eslint-plugin take several minutes to run. This example took 6m 45s.

It'd be nice if we could use something like Jest's --changedSince against the target branch in a PR to cut down on the number of unnecessary tests run.

Note that this will need to work with Codecov for our test coverage checks.

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    accepting prsGo ahead, send a pull request that resolves this issueenhancementNew feature or requestlocked due to agePlease open a new issue if you'd like to say more. See https://typescript-eslint.io/contributing.repo maintenancethings to do with maintenance of the repo, and not with code/docstestsanything to do with testing

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