linux-kernel - Re: [PATCH v3 2/2] drm/tests: Split drm_test_dp_mst_sideband_msg_req

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Date:   Mon, 3 Oct 2022 10:20:37 +0200
From:   Michał Winiarski <michal.winiarski@...el.com>
To:     Maíra Canal <mcanal@...lia.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        "Melissa Wen" <mwen@...lia.com>,
        André Almeida <andrealmeid@...lia.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Daniel Latypov <dlatypov@...gle.com>,
        David Gow <davidgow@...gle.com>,
        "Arthur Grillo" <arthur.grillo@....br>,
        Isabella Basso <isabbasso@...eup.net>,
        <magalilemes00@...il.com>, <tales.aparecida@...il.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] drm/tests: Split
 drm_test_dp_mst_sideband_msg_req_decode into parameterized tests

On Sat, Oct 01, 2022 at 07:34:22PM -0300, Maíra Canal wrote:
> The drm_test_dp_mst_sideband_msg_req_decode repeats the same test
> structure with different parameters. This could be better represented
> by parameterized tests, provided by KUnit.
> 
> In addition to the parameterization of the tests, the test case for the
> client ID was changed: instead of using get_random_bytes to generate
> the client ID, the client ID is now hardcoded in the test case. This
> doesn't affect the assertively of the tests, as this test case only compare
> the data going in with the data going out and it doesn't transform the data
> itself in any way.
> 
> So, convert drm_test_dp_mst_sideband_msg_req_decode into parameterized
> tests and make the tests' allocations and prints completely managed by KUnit.
> 
> Signed-off-by: Maíra Canal <mcanal@...lia.com>

Reviewed-by: Michał Winiarski <michal.winiarski@...el.com>

Thanks!
-Michał

> ---
> v1 -> v2: https://lore.kernel.org/dri-devel/20220925222719.345424-1-mcanal@igalia.com/T/#m056610a23a63109484afeafefb5846178c4d36b2
> - Mention on the commit message the change on the test case for the client ID (Michał Winiarski).
> 
> v2 -> v3: https://lore.kernel.org/dri-devel/20220927221206.55930-1-mcanal@igalia.com/T/#m2dc961da2d4921566cd0f9a8ed9d2d33a1cf4416
> - Mention on the commit message that the "random" usage is not incompatible with parameterized tests (Michał Winiarski).
> ---
>  .../gpu/drm/tests/drm_dp_mst_helper_test.c    | 370 ++++++++++++------
>  1 file changed, 243 insertions(+), 127 deletions(-)