On Mon, Jun 3, 2024 at 10:04 PM Tristan Partin <tris...@partin.io> wrote:

> On Sun Jun 2, 2024 at 12:25 AM CDT, Tom Lane wrote:
> > "Tristan Partin" <tris...@partin.io> writes:
> > > On Fri May 31, 2024 at 12:02 PM CDT, Ashutosh Bapat wrote:
> > >> We talked this off-list at the conference. It seems we have to somehow
> > >> avoid passing pg_regress --schedule argument and instead pass the
> list of
> > >> tests. Any idea how to do that?
> >
> > > I think there are 2 solutions to this.
> > > 1. Avoid passing --schedule by default, which doesn't sound like a
> great
> > >    solution.
> > > 2. Teach pg_regress to ignore the --schedule option if specific tests
> > >    are passed instead.
> > > 3. Add a --no-schedule option to pg_regress which would override the
> > >    previously added --schedule option.
> > > I personally prefer 2 or 3.
>




> >
> > Just to refresh peoples' memory of what the Makefiles do:
> > src/test/regress/GNUmakefile has
> >
> > check: all
> >       $(pg_regress_check) $(REGRESS_OPTS)
> --schedule=$(srcdir)/parallel_schedule $(MAXCONNOPT) $(EXTRA_TESTS)
> >
> > check-tests: all | temp-install
> >       $(pg_regress_check) $(REGRESS_OPTS) $(MAXCONNOPT) $(TESTS)
> $(EXTRA_TESTS)

>
> > (and parallel cases for installcheck etc).  AFAICS, meson.build has
> > no equivalent to the EXTRA_TESTS add-on, nor does it have behavior
> > equivalent to check-tests' substitution of $(TESTS) for --schedule.
> > But I suggest that those behaviors have stood for a long time and
> > so the appropriate thing to do is duplicate them as best we can,
> > not invent something different.
>
> In theory, this makes sense. In practice, this is hard to emulate. We
> could make the check-tests a Meson run_target() instead of another
> test(), which would end up running the same tests more than once.
>

meson has changed the way we run individual perl tests and that looks
better. So I am fine if meson provides a better way to do what `make
check-tests` does. But changing pg_regress seems a wrong choice or even
making changes to the current make system. Instead we should make meson
pass the right arguments to pg_regress. In this case, it should not pass
--schedule when we need `make check-tests` like functionality.

Just adding check-tests as new target won't help we need some way to
specify "which tests" to run. Thus by default this target should not run
any tests? I don't understand meson well. So I might be completely wrong?

How about the following options?
1. TESTS="..." meson test --suite regress - would run the specified tests
from regress

2. Make `meson test --suite regress / regress/partition_join` run
partition_join.sql test. I am not how to specify multiple tests in this
command. May be `meson test --suite regress /
regress/test_setup,partition_join` will do that. make check-tests allows
one to run multiple tests like TESTS="test_setup partition_join" make
check-tests.

-- 
Best Wishes,
Ashutosh Bapat

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