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Re: [PATCH 2/3] Acceptance tests: introduce utility method for tags uniq
From: |
Cleber Rosa |
Subject: |
Re: [PATCH 2/3] Acceptance tests: introduce utility method for tags unique vals |
Date: |
Mon, 28 Oct 2019 19:02:59 -0400 |
User-agent: |
Mutt/1.12.1 (2019-06-15) |
On Thu, Oct 24, 2019 at 06:12:25PM -0300, Wainer dos Santos Moschetta wrote:
> Hi Cleber,
>
> On 9/24/19 4:45 PM, Cleber Rosa wrote:
> > Currently a test can describe the target architecture binary that it
> > should primarily be run with, be setting a single tag value.
> >
> > The same approach is expected to be done with other QEMU aspects to be
> > tested, for instance, the machine type and accelerator, so let's
> > generalize the logic into a utility method.
> >
> > Signed-off-by: Cleber Rosa <address@hidden>
> > ---
> > tests/acceptance/avocado_qemu/__init__.py | 19 +++++++++++++------
> > 1 file changed, 13 insertions(+), 6 deletions(-)
> >
> > diff --git a/tests/acceptance/avocado_qemu/__init__.py
> > b/tests/acceptance/avocado_qemu/__init__.py
> > index bd41e0443c..02775bafcf 100644
> > --- a/tests/acceptance/avocado_qemu/__init__.py
> > +++ b/tests/acceptance/avocado_qemu/__init__.py
> > @@ -54,14 +54,21 @@ def pick_default_qemu_bin(arch=None):
> > class Test(avocado.Test):
> > + def _get_unique_tag_val(self, tag_name):
> > + """
> > + Gets a tag value, if unique for a key
> > + """
> > + vals = self.tags.get(tag_name, [])
> > + if len(vals) == 1:
>
>
> An small optimization:
>
> if vals:
>
> return vals.pop()
>
IIUC, this would break the idea of uniqueness that this method, for
now, has. Read on.
>
> > + return vals.pop()
> > + return None
>
> Does it allows to express a scenario like "I want my test method to run on
> x86_64 and aarch64" using tags? If so, _get_unique_tag_val logic returns
> None for multi-value tags (e.g. 'tags=arch:x86_64,arch:aarch64').
>
I thought that initially we should attempt to pick a default arch or
machine type only of len(vals) == 1. Not because what you describe
can't be done, but because I would like to go through the tests and
make sure we run them in all the given tagged arches when we allow
that.
Thanks,
- Cleber.
> Thanks,
>
> Wainer
>
> > +
> > def setUp(self):
> > self._vms = {}
> > - arches = self.tags.get('arch', [])
> > - if len(arches) == 1:
> > - arch = arches.pop()
> > - else:
> > - arch = None
> > - self.arch = self.params.get('arch', default=arch)
> > +
> > + self.arch = self.params.get('arch',
> > +
> > default=self._get_unique_tag_val('arch'))
> > +
> > default_qemu_bin = pick_default_qemu_bin(arch=self.arch)
> > self.qemu_bin = self.params.get('qemu_bin',
> > default=default_qemu_bin)