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Groups > linux.debian.maint.python > #13138
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| From | Antonio Terceiro <terceiro@debian.org> |
| Newsgroups | linux.debian.maint.python |
| Subject | gotchas when running tests via pybuild? |
| Date | Fri, 22 Jan 2021 18:20:01 +0100 |
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Hi, I'm working on python-eventlet, to fix a FTBFS bug and an incompatibility with python3.9. I got both fixes ready, but I'm not fighting with the fact that the test suite fails randomly. In my experiments, the test suite fails ~40% of the time, but *only when run during the build* (!!). - I added a testsuite run to autopkgtest, and it consistently passes, 100% of the time. - If I run the same command as pybuild runs manually (python3 -m nose) on a fully patched tree, it passes 100% of the time. - Only during the build -- when executed automatically by pybuild -- the test fails ~40% of the time. The failures are the typical failures you get when testing concurrency code: timeouts, race conditions, etc, and it happens on different tests every time. What I don't quite understand yet is why this _only_ happens during the Debian package build. I already checked that the tests don't use anything else from the source tree beyond the tests themselves and the python modules. For example the autopkgtest copies tests/, and only it, to a temp directory and runs the tests from there; and works every time. So in principle I wouldn't need to have an explicit testfiles file. Does anybody have an insight on cases like this? Are there any details that I'm missing? If anyone wants to try it, the git repository is up to date.
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gotchas when running tests via pybuild? Antonio Terceiro <terceiro@debian.org> - 2021-01-22 18:20 +0100 Re: gotchas when running tests via pybuild? Diane Trout <diane@ghic.org> - 2021-01-22 20:10 +0100 Re: gotchas when running tests via pybuild? Thomas Goirand <zigo@debian.org> - 2021-01-24 11:30 +0100
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