Re: [PATCH 5/5] iotests: register each I/O test separately with meson

["Daniel P. Berrangé" <berrange@redhat.com>]

On Fri, Mar 03, 2023 at 10:34:11AM +0100, Thomas Huth wrote:
> On 02/03/2023 19.46, Daniel P. Berrangé wrote:
> > Currently meson registers a single test that invokes an entire group of
> > I/O tests, hiding the test granularity from meson. There are various
> > downsides of doing this
> > 
> >   * You cannot ask 'meson test' to invoke a single I/O test
> >   * The meson test timeout can't be applied to the individual
> >     tests
> >   * Meson only gets a pass/fail for the overall I/O test group
> >     not individual tests
> >   * If a CI job gets killed by the GitLab timeout, we don't
> >     get visibility into how far through the I/O tests
> >     execution got.
> > 
> > This switches meson to perform test discovery by invoking 'check' in
> > dry-run mode. It then registers one meson test case for each I/O
> > test. Parallel execution remains disabled since the I/O tests do not
> > use self contained execution environments and thus conflict with
> > each other.
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> > ---
> >   tests/qemu-iotests/meson.build | 33 +++++++++++++++++++++++++++------
> >   1 file changed, 27 insertions(+), 6 deletions(-)
> > 
> > diff --git a/tests/qemu-iotests/meson.build b/tests/qemu-iotests/meson.build
> > index 323a4acb6a..48c82085af 100644
> > --- a/tests/qemu-iotests/meson.build
> > +++ b/tests/qemu-iotests/meson.build
> > @@ -32,16 +32,37 @@ foreach k, v : emulators
> >     endif
> >   endforeach
> > +qemu_iotests_check_cmd = files('check')
> > +
> >   foreach format, speed: qemu_iotests_formats
> >     if speed == 'quick'
> >       suites = 'block'
> >     else
> >       suites = ['block-' + speed, speed]
> >     endif
> > -  test('qemu-iotests ' + format, sh, args: [files('../check-block.sh'), format],
> > -       depends: qemu_iotests_binaries, env: qemu_iotests_env,
> > -       protocol: 'tap',
> > -       suite: suites,
> > -       timeout: 0,
> > -       is_parallel: false)
> > +
> > +  args = ['-tap', '-' + format]
> > +  if speed == 'quick'
> > +      args += ['-g', 'auto']
> > +  endif
> > +
> > +  rc = run_command(
> > +      [qemu_iotests_check_cmd] + args + ['-n'],
> > +      check: true,
> > +  )
> > +
> > +  foreach item: rc.stdout().strip().split()
> > +      message('Adding test qemu-iotests-' + format + '-' + item)
> 
> This message spoils the output during "configure" quite a bit, please remove
> that line.

Yes, that wasn't supposed to be left it, it was me debugging :-)

> 
> Apart from that, patch looks fine to me!
> 
>  Thomas
> 
> 
> > +      args = ['-tap', '-' + format, item,
> > +              '--source-dir', meson.current_source_dir(),
> > +              '--build-dir', meson.current_build_dir()]
> > +      test('qemu-iotests-' + format + '-' + item,
> > +           qemu_iotests_check_cmd,
> > +           args: args,
> > +           is_parallel: false,
> > +           depends: qemu_iotests_binaries,
> > +           env: qemu_iotests_env,
> > +           protocol: 'tap',
> > +           suite: suites)
> > +  endforeach
> >   endforeach
> 

With regards,
Daniel
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