Re: [Qemu-devel] [PATCH] qemu-iotests: add a "how to" to ./README

[Stefan Hajnoczi <stefanha@redhat.com>]

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On Sun, Jul 23, 2017 at 11:18:50AM -0300, Philippe Mathieu-Daudé wrote:
> On 07/21/2017 12:51 PM, Stefan Hajnoczi wrote:
> > On Fri, Jul 21, 2017 at 07:16:34AM -0500, Eric Blake wrote:
> > > On 07/21/2017 04:34 AM, Stefan Hajnoczi wrote:
> > > > There is not much getting started documentation for qemu-iotests.  This
> > > > patch explains how to create a new test and covers the overall testing
> > > > approach.
> > > > 
> > > > Cc: Ishani Chugh <chugh.ishani@research.iiit.ac.in>
> > > > Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> > > > ---
> > > 
> > > > +3. Assign groups to the test
> > > > +
> > > > +Add your test to the ./group file.  This file is the index of tests and assigns
> > > > +them to functional groups like "rw" for read-write tests.  Most tests belong to
> > > > +the "rw" and "auto" groups.  "auto" means the test runs when ./check is invoked
> > > > +without a -g argument.
> > > > +
> > > > +Consider adding your test to the "quick" group if it executes quickly (<1s).
> > > 
> > > We have several tests going up to 5s (and I have a patch pending to
> > > remove two tests that took longer) - I think 1s is a bit on the short
> > > end for still classifying a test as quick.
> > 
> > I'm happy to accept any number blessed by Kevin.  I do think that 1
> > second is a safe maximum and no one should get in trouble for adding a
> > test that takes 1 second to the "quick" group.
> > 
> > > > +This group is run by "make check-block" and is often included as part of build
> > > > +tests in continuous integration systems.
> > > 
> > > It would still be nice to have 'make check' run 'make check-block'...
> > > but that's independent of this patch.
> > 
> > Yes, there is a separate discussion about that on the list right now.
> > Hopefully it will be added back.
> > 
> > > > +Once you are happy with the test output it can be used as the golden master
> > > > +with "mv <test-number>.out.bad <test-number>.out".  Rerun the test to verify
> > > > +that it passes.
> > > > +
> > > > +Congratulations, you've created a new test!
> > > 
> > > Maybe a reminder to 'git add' the new files, then submit the patch?
> > 
> > I thought about this too but decided not to get into the git and patch
> > submission business.  I carefully worded it to be about "creating" tests
> > rather than "adding" them to qemu.git because I wanted to limit the
> > scope of this README :).
> 
> Maybe something tiny like:
> 
>   Congratulations, you've created a new test!
> 
>   To share your test to upstream QEMU (highly recommended!) just follow
>   these recommendations: http://wiki.qemu.org/Contribute/SubmitAPatch

Sounds good.

Kevin: Any thoughts on this patch?

Stefan

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