linux-kernel - Re: [PATCH] kunit: arch/um/configs: Enable KUNIT_ALL

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Date:   Tue, 18 May 2021 14:15:05 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Shuah Khan <shuah@...nel.org>, Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        KUnit Development <kunit-dev@...glegroups.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        linux-um <linux-um@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kunit: arch/um/configs: Enable KUNIT_ALL_TESTS by default

On Mon, May 17, 2021 at 8:58 PM David Gow <davidgow@...gle.com> wrote:
>
> Make the default .kunitconfig (specified in
> arch/um/configs/kunit_defconfig) specify CONFIG_KUNIT_ALL_TESTS by
> default. KUNIT_ALL_TESTS runs all tests which have satisfied
> dependencies in the current .config (which would be the architecture
> defconfig).
>
> Currently, the default .kunitconfig enables only the example tests and
> KUnit's own tests. While this does provide a good example of what a
> .kunitconfig for running a few individual tests should look like, it
> does mean that kunit_tool runs a pretty paltry collection of tests by
> default.
>
> A default run of ./tools/testing/kunit/kunit.py run now runs 70 tests
> instead of 14.
>
> Signed-off-by: David Gow <davidgow@...gle.com>

I am totally on board with what you want to do here, but I have one
minor issue below.

Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>

> ---
>  arch/um/configs/kunit_defconfig | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/um/configs/kunit_defconfig b/arch/um/configs/kunit_defconfig
> index 9235b7d42d38..becf3432a375 100644
> --- a/arch/um/configs/kunit_defconfig
> +++ b/arch/um/configs/kunit_defconfig

Could we also apply this to
tools/testing/kunit/configs/all_tests.config ? The contents of the
file are identical, and I think are supposed to be for the same
purpose.

> @@ -1,3 +1,2 @@
>  CONFIG_KUNIT=y
> -CONFIG_KUNIT_TEST=y
> -CONFIG_KUNIT_EXAMPLE_TEST=y
> +CONFIG_KUNIT_ALL_TESTS=y
> --
> 2.31.1.751.gd2f1c929bd-goog
>