linux-kernel - Re: [PATCH v3] lib: Convert test

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Date:   Tue, 1 Dec 2020 13:06:59 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Arpitha Raghunandan <98.arpi@...il.com>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        kunit-dev@...glegroups.com,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH v3] lib: Convert test_hexdump.c to KUnit

On Tue, Dec 1, 2020 at 9:21 AM Arpitha Raghunandan <98.arpi@...il.com> wrote:
> Convert test lib/test_hexdump.c to KUnit. More information about
> KUnit can be found at:
> https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html.
> KUnit provides a common framework for unit tests in the kernel.
> KUnit and kselftest are standardizing around KTAP, converting this
> test to KUnit makes this test output in KTAP which we are trying to
> make the standard test result format for the kernel.

Below doesn't suit commit message, perhaps adding it after '---' line
would be good. In the commit message you can choose one failed case
followed by all OK and show the difference.

> I ran both the original and converted tests as is to produce the
> output for success of the test in the two cases. I also ran these
> tests with a small modification to show the difference in the output
> for failure of the test in both cases. The modification I made is:
>  static const char * const test_data_4_le[] __initconst = {
> -       "7bdb32be", "b293180a", "24c4ba70", "9b34837d",
> +       "7bdb32be", "b293180a", "24c4ba70", "9b3483d",
>
> The difference in outputs can be seen here:
> https://gist.github.com/arpi-r/38f53a3c65692bf684a6bf3453884b6e

Looks pretty much good, what I'm sad to see is the absence of the test
statistics. Any ideas if we can get it back?

-- 
With Best Regards,
Andy Shevchenko