[openstack-dev] [oslo] UUID sentinel needs a home
Doug Hellmann
doug at doughellmann.com
Thu Aug 23 17:25:59 UTC 2018
Excerpts from Eric Fried's message of 2018-08-23 09:51:21 -0500:
> Do you mean an actual fixture, that would be used like:
>
> class MyTestCase(testtools.TestCase):
> def setUp(self):
> self.uuids = self.useFixture(oslofx.UUIDSentinelFixture()).uuids
>
> def test_foo(self):
> do_a_thing_with(self.uuids.foo)
>
> ?
>
> That's... okay I guess, but the refactoring necessary to cut over to it
> will now entail adding 'self.' to every reference. Is there any way
> around that?
That is what I had envisioned, yes. In the absence of a global,
which we do not want, what other API would you propose?
Doug
>
> efried
>
> On 08/23/2018 07:40 AM, Jay Pipes wrote:
> > On 08/23/2018 08:06 AM, Doug Hellmann wrote:
> >> Excerpts from Davanum Srinivas (dims)'s message of 2018-08-23 06:46:38
> >> -0400:
> >>> Where exactly Eric? I can't seem to find the import:
> >>>
> >>> http://codesearch.openstack.org/?q=(from%7Cimport).*oslotest&i=nope&files=&repos=oslo.utils
> >>>
> >>>
> >>> -- dims
> >>
> >> oslo.utils depends on oslotest via test-requirements.txt and oslotest is
> >> used within the test modules in oslo.utils.
> >>
> >> As I've said on both reviews, I think we do not want a global
> >> singleton instance of this sentinal class. We do want a formal test
> >> fixture. Either library can export a test fixture and olso.utils
> >> already has oslo_utils.fixture.TimeFixture so there's precedent to
> >> adding it there, so I have a slight preference for just doing that.
> >>
> >> That said, oslo_utils.uuidutils.generate_uuid() is simply returning
> >> str(uuid.uuid4()). We have it wrapped up as a function so we can
> >> mock it out in other tests, but we hardly need to rely on that if
> >> we're making a test fixture for oslotest.
> >>
> >> My vote is to add a new fixture class to oslo_utils.fixture.
> >
> > OK, thanks for the helpful explanation, Doug. Works for me.
> >
> > -jay
> >
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