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From:   David Gow <davidgow@google.com>
Date:   Tue, 17 Nov 2020 15:20:53 +0800
Message-ID: <CABVgOSkoQahYqMJ3dD1_X2+rF3OgwT658+8HRM2EZ5e0-94jmw@mail.gmail.com>
Subject: Re: [PATCH v9 1/2] kunit: Support for Parameterized Testing
To:     Arpitha Raghunandan <98.arpi@gmail.com>
Cc:     Brendan Higgins <brendanhiggins@google.com>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Marco Elver <elver@google.com>,
        Iurii Zaikin <yzaikin@google.com>,
        "Theodore Ts'o" <tytso@mit.edu>,
        Andreas Dilger <adilger.kernel@dilger.ca>,
        "Bird, Tim" <Tim.Bird@sony.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        KUnit Development <kunit-dev@googlegroups.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-kernel-mentees@lists.linuxfoundation.org,
        linux-ext4@vger.kernel.org
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On Mon, Nov 16, 2020 at 1:41 PM Arpitha Raghunandan <98.arpi@gmail.com> wrote:
>
> Implementation of support for parameterized testing in KUnit. This
> approach requires the creation of a test case using the
> KUNIT_CASE_PARAM() macro that accepts a generator function as input.
>
> This generator function should return the next parameter given the
> previous parameter in parameterized tests. It also provides a macro to
> generate common-case generators based on arrays. Generators may also
> optionally provide a human-readable description of parameters, which is
> displayed where available.
>
> Note, currently the result of each parameter run is displayed in
> diagnostic lines, and only the overall test case output summarizes
> TAP-compliant success or failure of all parameter runs. In future, when
> supported by kunit-tool, these can be turned into subsubtest outputs.
>
> Signed-off-by: Arpitha Raghunandan <98.arpi@gmail.com>
> Co-developed-by: Marco Elver <elver@google.com>
> Signed-off-by: Marco Elver <elver@google.com>
> ---
[Resending this because my email client re-defaulted to HTML! Aarrgh!]

This looks good to me! I tested it in UML and x86-64 w/ KASAN, and
both worked fine.

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

Thanks for sticking with this!

-- David