IronLanguages / IronLanguages/ironpython3

GC related tests failing on Mono

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Mono testing
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C#
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Description

I have no idea why the Mono test on macOS on GitHub CI fails. I have noticed though that Azure uses "Test Execution Command Line Tool Version 17.3.3 (x64)", while GitHub uses "Test Execution Command Line Tool Version 17.7.0-preview-23364-03+bc17bb9693cfc4778ded51aa0ab7f1065433f989 (x64)". Is it intentional?

Also, running Mono tests locally on 6.2.0.200 (CI is using 6.2.0.188) in debug mode fails on three tests: test_ctypes, test_memoryio_stdlib, test_namebinding (the last one is different than #1564). They all pass in release mode and they all pass on .NET in both debug and release modes.

@slozier, do those tests pass on your local machine?

Originally posted by @BCSharp in https://github.com/IronLanguages/ironpython3/issues/1732#issuecomment-1690525286

See also additional discussion in https://github.com/IronLanguages/ironpython3/issues/1732

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Research direction

Start by reviewing the additional discussion in issue #1732 and the related context in #1564, then reproduce the Mono debug failures in test_ctypes, test_memoryio_stdlib, and test_namebinding. Compare the GitHub and Azure test execution tool versions and Mono versions; done means the cause is identified and the three tests pass consistently in the affected CI configuration.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
ci-cd, 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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