typelevel / typelevel/cats

Sporadic test errors since upgrading to Native 0.5

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#4,647 10 comments 1 reaction 0 assignees View on GitHub

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Dominant language
Scala
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Description

Most recently https://github.com/typelevel/cats/actions/runs/10556403923/job/29242594012

  [error] Error: Total 12066, Failed 0, Errors 12, Passed 12054
  [error] Error during tests:
  [error] 	cats.tests.MapSuite
  [error] 	cats.tests.ReducibleSuiteAdditional
  [error] 	cats.tests.BoundedEnumerableSuite
  [error] 	cats.tests.TraverseListSuiteUnderlying
  [error] 	cats.tests.NonEmptyAlternativeSuite
  [error] 	cats.tests.FunctorSuite
  [error] 	cats.tests.SemigroupKSuite
  [error] 	cats.tests.FunctionKLiftSuite
  [error] 	cats.tests.KleisliSuite
  [error] 	cats.tests.TupleSuite
  [error] 	cats.tests.IorSuite
  [error] 	cats.tests.WriterSuite

But this has been haunting us since we upgraded.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Begin with the linked GitHub Actions run and the listed failing suites, then reproduce the errors after the Native 0.5 upgrade. Compare the affected test runs to a passing configuration and identify the cause of the sporadic errors; done means the affected suites complete without errors.

Written by the indexing model from the issue text.

Assessment

Tech stack
scala
Domain
testing-qa
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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