On Wed, Dec 01, 2021 at 08:19:20PM -0300, Antonio Terceiro wrote:
> Hi,
>
> Adding debian-python@l.d.o
>
> The context is #1000803 where Sandro asked about reducing duplication
> when running upstream test suites both during the build and under
> autopkgtest.
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000803
>
> On Tue, Nov 30, 2021 at 12:47:42AM -0500, Sandro Tosi wrote:
> > > This is usually solved outside of autopkgtest itself.
> > >
> > > For example Ruby packages have a single place where tests are specified
> > > (debian/ruby-tests.*{rb,rake,yaml}, and the appropriate
> > > debian/tests/control file is autogenerated by autodep8. I would say 99%
> > > of Ruby packages require no duplication, or even explicitly specifying
> > > commands to run tests at all.
> > >
> > > In general, this is most efficiently solved by package type (e.g.
> > > programming language), because the way the tests are run at build-time
> > > usually is tied to the build system. You then usually need some test
> > > runner, probably extracted from, or provided by, the build system, to
> > > also provide the same funcionality in an autopkgtest-compatible way.
> > >
> > > All the package types that are well supported in autodep8 have their
> > > specialized test runner tools that avoid this type of duplication.
> >
> > I'm mostly interested in the python ecosystem, and the provided
> > autodep8 test are extremely superficial (essentially only importing
> > the main python module packaged), which is better than nothing but not
> > the same level as what's in d/rules.
> >
> > Are you aware of any effort to expand the Python autodep8 tests to
> > uniform them into a comprehensive, and unique place to run tests at
> > build-time and via autopkgtest?
>
> I'm not.
>
> > If no such effort currently exists, what would one have to do to start
> > developing it? Not necessarily volunteering, just gathering
> > information.
>
> In general terms, I see this being implemented like this:
>
> 0) modify pybuild so one can call e.g. `pybuild --autopkgtest`. That
> should work almost the same as `pybuild --test`, but would copy the test
> files under ${AUTOPKGTEST_TMP} and run the tests from there, instead of
> assuming a previously built tree and trying to chdir into
> .pybuild/*/build.
>
> 1) add a way of being able to specify pybuild parameters outside of
> debian/rules that can be used both during the build and under
> autopkgtest
>
> For Ruby, gem2deb-test-runner is driven by debian/ruby-tests.*, both
> during the build, and under autopkgtest.
>
> In pybuild, some aspects of the test run can already be done this
> way, e.g. debian/pybuild.testfiles. Maybe we could have
> debian/pybuild.env to read options in the same way as they are set in
> debian/rules today (with environment variables).
>
> 2) update autodep8 to generate the appropriate control file to call
> `pybuild --autopkgtest`. This needs to be "smart" enough to not
> automatically add this call to packages that are not ready for it. At
> the moment, almost 1000 source packages have
> `Testsuite: autopkgtest-pkg-python`. We would probably need a new
> value, or (probably better) to additionally check for something else
> in the source tree.
>
> Each item has quite some details to be figured out, but this is the
> general idea.
I have written a prototype implementation of this, and published it as
https://salsa.debian.org/python-team/tools/dh-python/-/merge_requests/27
Attachment:
signature.asc
Description: PGP signature