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test: Backport tests using the full timer matrix #962

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merged 1 commit into from
Sep 12, 2021

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eps1lon
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@eps1lon eps1lon commented Sep 12, 2021

What:

Adds tests for waitFor, waitForElementToBeRemoved and findBy across all supported timer implementations (real timers, jest legacy fake timers, jest modern fake timers).

Why:

These offer a more granular coverage that's required for #937.
The new tests are also the only tests that would trigger a missing act warning if we were to remove the asyncWrapper.

How:

Backport tests from #937 and convert the class component to a function component. With a class component we'd still not get a missing act warning.

Checklist:

  • [ ] Documentation added to the
    docs site
  • Tests
  • [ ] TypeScript definitions updated
  • Ready to be merged

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Looks good :)

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codecov bot commented Sep 12, 2021

Codecov Report

Merging #962 (b6ce4fa) into main (3325061) will not change coverage.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff            @@
##              main      #962   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          140       140           
  Branches        28        28           
=========================================
  Hits           140       140           

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@eps1lon eps1lon merged commit 84851dc into testing-library:main Sep 12, 2021
@eps1lon eps1lon deleted the test/missing-act branch September 12, 2021 09:12
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🎉 This PR is included in version 13.0.0-alpha.1 🎉

The release is available on:

Your semantic-release bot 📦🚀

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🎉 This PR is included in version 12.1.1 🎉

The release is available on:

Your semantic-release bot 📦🚀

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2 participants