Re: [PATCH v2 1/6] kunit: Kconfig: enable a KUNIT_RUN_ALL fragment

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Hi David,

Thank you for the review.

On Wed, 6 May 2020 at 07:08, David Gow <davidgow@xxxxxxxxxx> wrote:
>
> On Tue, May 5, 2020 at 6:27 PM Anders Roxell <anders.roxell@xxxxxxxxxx> wrote:
> >
> > Make it easier to enable all KUnit fragments.  This is needed for kernel
> > test-systems, so its easy to get all KUnit tests enabled and if new gets
> > added they will be enabled as well.  Fragments that has to be builtin
> > will be missed if CONFIG_KUNIT_RUN_ALL is set as a module.
> >
> > Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
> > ---
> >  lib/kunit/Kconfig | 6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
> > index 95d12e3d6d95..537f37bc8400 100644
> > --- a/lib/kunit/Kconfig
> > +++ b/lib/kunit/Kconfig
> > @@ -41,4 +41,10 @@ config KUNIT_EXAMPLE_TEST
> >           is intended for curious hackers who would like to understand how to
> >           use KUnit for kernel development.
> >
> > +config KUNIT_RUN_ALL
> > +       tristate "KUnit run all test"
>
> I'm not 100% sure about this name and description. It only actually
> "runs" the tests if they're builtin (as modules, they'll only run when
> loaded).
>
> Would KUNIT_BUILD_ALL or KUNIT_ALL_TESTS

I would like to go with KUNIT_ALL_TESTS if no one objects.

> or similar be better?
>
> It also, as mentioned, only really runs all available (i.e., with
> dependencies met in the current .config) tests (as distinct from the
> --alltests flag to kunit.py, which builds UML with allyesconfig), it
> might be good to add this to the description or help.
>
> Something like "Enable all KUnit tests" or "Enable all available KUnit
> tests" (or even something about "all KUnit tests with satisfied
> dependencies") might be clearer.

I like "All KUnit tests with satisfied dependencies".

>
> > +       help
> > +         Enables all KUnit tests, if they can be enabled.
> > +         That depends on if KUnit is enabled as a module or builtin.
> > +
> I like the first line here, but the second one could use a bit more
> explanation. Maybe copy some of the boilerplate text from other tests,
> e.g.:
>
>           KUnit tests run during boot and output the results to the debug log
>          in TAP format (http://testanything.org/). Only useful for kernel devs
>          running the KUnit test harness, and not intended for inclusion into a
>          production build.
>
>          For more information on KUnit and unit tests in general please refer
>          to the KUnit documentation in Documentation/dev-tools/kunit/.
>
>          If unsure, say N.

Makes much more sense, thanks.

>
> >  endif # KUNIT
> > --
> > 2.20.1
> >
>
> Otherwise, this is looking good. I've done some quick testing, and it
> all seems to work for me. As long as it's clear what the difference
> between this and other ways of running "all tests" (like the
> --alltests kunit.py option),

Do you think it should be made clearer in some way?

> I'm all for including this in.
>

Cheers,
Anders



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