linux-kernel - Re: [PATCH 3/5] kunit: string-stream-test: Make it a separate module

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Date: Sat, 8 Jun 2024 17:20:27 +0800
From: David Gow <davidgow@...gle.com>
To: Ivan Orlov <ivan.orlov0322@...il.com>
Cc: brendan.higgins@...ux.dev, rmoar@...gle.com, 
	linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] kunit: string-stream-test: Make it a separate module

On Tue, 4 Jun 2024 at 20:32, Ivan Orlov <ivan.orlov0322@...il.com> wrote:
>
> Currently, the only way to build string-stream-test is by setting
> CONFIG_KUNIT_TEST=y. However, CONFIG_KUNIT_TEST is a config option for
> a different test (`kunit-test.c`).
>
> Introduce a new Kconfig entry in order to be able to build the
> string-stream-test test as a separate module. Import the KUnit namespace
> in the test so we could have string-stream functions accessible.
>
> Signed-off-by: Ivan Orlov <ivan.orlov0322@...il.com>
> ---

Looks good to me. checkpatch complains about the help text not being
long enough, but I personally can't think if what else to sensibly
add.

Reviewed-by: David Gow <davidgow@...gle.com>

Cheers,
-- David


>  lib/kunit/Kconfig              | 8 ++++++++
>  lib/kunit/Makefile             | 2 +-
>  lib/kunit/string-stream-test.c | 2 ++
>  3 files changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
> index 34d7242d526d..b0713c0f9265 100644
> --- a/lib/kunit/Kconfig
> +++ b/lib/kunit/Kconfig
> @@ -45,6 +45,14 @@ config KUNIT_TEST
>           purposes by developers interested in testing that KUnit works as
>           expected.
>
> +config KUNIT_STRING_STREAM_TEST
> +       tristate "KUnit test for string-stream" if !KUNIT_ALL_TESTS
> +       default KUNIT_ALL_TESTS
> +       help
> +         Enables the KUnit test for the string-stream (C++ stream style string
> +         builder used in KUnit for building messages). For the string-stream
> +         implementation, see lib/kunit/string-stream.c.
> +
>  config KUNIT_EXAMPLE_TEST
>         tristate "Example test for KUnit" if !KUNIT_ALL_TESTS
>         default KUNIT_ALL_TESTS
> diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile
> index 900e6447c8e8..4793a3960f07 100644
> --- a/lib/kunit/Makefile
> +++ b/lib/kunit/Makefile
> @@ -18,10 +18,10 @@ endif
>  obj-y +=                               hooks.o
>
>  obj-$(CONFIG_KUNIT_TEST) +=            kunit-test.o
> +obj-$(CONFIG_KUNIT_STRING_STREAM_TEST) += string-stream-test.o
>
>  # string-stream-test compiles built-in only.
>  ifeq ($(CONFIG_KUNIT_TEST),y)
> -obj-$(CONFIG_KUNIT_TEST) +=            string-stream-test.o
>  obj-$(CONFIG_KUNIT_TEST) +=            assert_test.o
>  endif
>
> diff --git a/lib/kunit/string-stream-test.c b/lib/kunit/string-stream-test.c
> index 7511442ea98f..d03cac934e04 100644
> --- a/lib/kunit/string-stream-test.c
> +++ b/lib/kunit/string-stream-test.c
> @@ -534,3 +534,5 @@ static struct kunit_suite string_stream_test_suite = {
>         .init = string_stream_test_init,
>  };
>  kunit_test_suites(&string_stream_test_suite);
> +MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
> +MODULE_LICENSE("GPL");
> --
> 2.34.1
>

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