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Re: Bug#1024971: pybuild: should fail when the result of running tests is "Ran 0 tests in 0.000s"

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Hi Julian (2024.09.08_21:33:49_+0000)
> > I built 6440 packages build-depending on dh-python in one way or
> > another. 1483 failed, and 1124 of them say "NO TESTS RAN" in the logs.
> 
> My guess is that most of these 1124 have no tests at all, rather than
> having a misconfigured setup.  A unittest is the pybuild default test
> framework, unittest is used and fails to find any tests, hence all of
> these failures.

Yes, almost certainly.

> > 4. We could make this failure opt-in in dh-python. Maybe via an explicit
> >    --test-unittest option that selects the unittest runner. If you don't
> >    explicitly select this runner, you'd get an attempt to run tests by
> >    with unittest, and no failure if no tests are found.
> 
> I like option 4 for the above reason.  But implementing this would
> mean that all of the packages that currently *do* use unittest
> (intentionally, but without having to code it explicitly as it's the
> default) would suddenly not have any tests running until they
> proactively add --test-unittest or set PYBUILD_TEST_UNITTEST = 1 or
> similar.  This seems like an unfortunate consequence.

I would leave unittest as the default runner, but without missing test
detection.

That's a slightly unexpected behaviour, but it makes the default case
work.

Downside is that you have to opt-in to missing test detection. Maybe we
can have a lintian tag for that?

Stefano

-- 
Stefano Rivera
  http://tumbleweed.org.za/
  +1 415 683 3272

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Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Stefano Rivera <stefanor@debian.org> - 2024-09-08 16:00 +0200
  Re: Bug#1024971: pybuild: should fail when the result of running tests is "Ran 0 tests in 0.000s" Scott Kitterman <debian@kitterman.com> - 2024-09-08 19:30 +0200
    Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Louis-Philippe Véronneau <pollo@debian.org> - 2024-09-12 17:40 +0200
  Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Julian Gilbey <julian@d-and-j.net> - 2024-09-08 23:40 +0200
    Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Stefano Rivera <stefanor@debian.org> - 2024-09-09 10:40 +0200
      Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Julian Gilbey <julian@d-and-j.net> - 2024-09-09 17:30 +0200
        Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Stefano Rivera <stefanor@debian.org> - 2024-09-10 17:10 +0200
          Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Alexandre Detiste <alexandre.detiste@gmail.com> - 2024-09-12 16:30 +0200
            Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Stefano Rivera <stefanor@debian.org> - 2024-09-12 16:30 +0200
    Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Stefano Rivera <stefanor@debian.org> - 2024-09-09 10:40 +0200
  Re: Bug#1024971: pybuild: should fail when the result of running  tests is "Ran 0 tests in 0.000s" Timo Röhling <roehling@debian.org> - 2024-09-13 11:00 +0200

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