On Wed, Sep 27, 2023 at 10:27 AM Bruce Richardson
<bruce.richard...@intel.com> wrote:
>
> On Wed, Sep 27, 2023 at 08:30:05AM +0200, David Marchand wrote:
> > On Tue, Sep 26, 2023 at 5:01 PM Aaron Conole <acon...@redhat.com> wrote:
> > > David Marchand <david.march...@redhat.com> writes:
> > > > On Tue, Sep 19, 2023 at 10:36 AM Bruce Richardson
> > > > <bruce.richard...@intel.com> wrote:
> > > >> > > To help ensure that we don't have "orphaned" tests not in any test
> > > >> > > suites we can add the following checks:
> > > >> > >
> > > >> > > * In developer-mode builds, emit a warning for each test defined 
> > > >> > > using
> > > >> > >   REGISTER_TEST_COMMAND
> > > >> > > * In checkpatches, add a check to prevent the addition of new tests
> > > >> > >   using the REGISTER_TEST_COMMAND macro
> > > >> > >
> > > >> > > Bruce Richardson (2):
> > > >> > >   app/test: emit warning for tests not in a test suite
> > > >> > >   devtools: check for tests added without a test suite
> > > >> > >
> > > >> > >  app/test/suites/meson.build   | 13 ++++++++++++-
> > > >> > >  buildtools/get-test-suites.py | 12 +++++++++---
> > > >> > >  devtools/checkpatches.sh      |  8 ++++++++
> > > >> > >  3 files changed, 29 insertions(+), 4 deletions(-)
> > > >> >
> > > >> > The "non_suite_tests" testsuite returned by
> > > >> > buildtools/get-test-suites.py is a bit strange, as it is not a
> > > >> > testsuite from meson pov.
> > > >>
> > > >> Yeah, it is a bit strange, and I'm open to new ideas on other 
> > > >> solutions. I
> > > >> did it that way to avoid having yet another script to scan the files - 
> > > >> I
> > > >> figured it was faster (in terms of runtime, not dev time) to do the
> > > >
> > > > I had figured it was "faster dev time" that won :-).
> > > > I am fine with it, I don't expect more complications in this area in 
> > > > the future.
> > > >
> > > >
> > > >> scanning when the files are already being opened and processed by this 
> > > >> one.
> > > >>
> > > >> Of course, if we can get the un-suitened [:-)] test cases down to 
> > > >> zero, we
> > > >> can theoretically drop this check in future, and  just use the 
> > > >> checkpatch
> > > >> one.
> > > >
> > > > Well, that's still a question that nobody seems to comment on.
> > > >
> > > > What should we do with tests that don't enter one of those testsuites,
> > > > and are not invoked by the CI?
> > > >
> > > > Though we may be removing some level of coverage, I am for
> > > > cleaning/unused dead code.
> > >
> > > I guess it does require actually looking at these tests and classifying
> > > them to either put them into the proper suites.  As of now, we aren't
> > > really removing coverage if they aren't being run - but are any
> > > maintainers or developers actually running them?
> >
> > Could we go a step further than Bruce runtime warning (which is at the
> > meson level and does not impact running the test)?
> > Perhaps have those orphaned tests fail unless their test names are
> > provided in a env variable like
> > DPDK_TRUST_ME_I_WILL_SUBMIT_A_PATCH_FOR_THIS_TEST (naming is hard
> > ;-))?
> >
> > With a systematic failure, there is less chance that
> > developers/maintainers miss the situation.
> > If those developers/maintainers simply waive the warning with the env
> > variable and don't send a patch, well.. too bad.
> >
> > After a release or two, if we don't hear from anyone, we can start
> > removing the unused one.
> >
> I think that seems a littel severe at this point.

I'll put this idea in the fridge for now.
Let's proceed with your series first (and some doc followups).


-- 
David Marchand

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