[openstack-dev] addCleanup vs. tearDown
Nachi Ueno
nachi at ntti3.com
Tue Oct 8 17:10:44 UTC 2013
+1
2013/10/8 Monty Taylor <mordred at inaugust.com>:
> Hey!
>
> Got a question on IRC which seemed fair game for a quick mailing list post:
>
> Q: I see both addCleanup and tearDown in nova's test suite - which one
> should I use for new code?
>
> A: addCleanup
>
> All new code should 100% of the time use addCleanup and not tearDown -
> this is because addCleanups are all guaranteed to run, even if one of
> them fails, whereas a failure inside of a tearDown can leave the rest of
> the tearDown un-executed, which can leave stale state laying around.
>
> Eventually, as we get to it, tearDown should be 100% erradicated from
> OpenStack. However, we don't really need more patch churn, so I
> recommend only working on it as you happen to be in related code.
>
> Thanks!
> Monty
>
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