linux-ext4 - Re: [PATCH] ext4: add .kunitconfig fragment to enable ext4-specific tests

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Message-ID: <YCYCnaEMc95hDfso@mit.edu>
Date:   Thu, 11 Feb 2021 23:22:53 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     brendanhiggins@...gle.com, davidgow@...gle.com,
        linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org,
        kunit-dev@...glegroups.com
Subject: Re: [PATCH] ext4: add .kunitconfig fragment to enable ext4-specific
 tests

On Tue, Feb 09, 2021 at 05:32:06PM -0800, Daniel Latypov wrote:
> As of [1], we no longer want EXT4_KUNIT_TESTS and others to `select`
> their deps. This means it can get harder to get all the right things
> selected as we gain more tests w/ more deps over time.
> 
> This patch (and [2]) proposes we store kunitconfig fragments in-tree to
> represent sets of tests. (N.B. right now we only have one ext4 test).
> 
> There's still a discussion to be had about how to have a hierarchy of
> these files (e.g. if one wanted to test all of fs/, not just fs/ext4).
> 
> But this fragment would likely be a leaf node and isn't blocked on
> deciding if we want `import` statements and the like.
> 
> Usage
> =====
> 
> Before [2] (on its way to being merged):
>   $ cp fs/ext4/.kunitconfig .kunit/
>   $ ./tools/testing/kunit.py run
> 
> After [2]:
>   $ ./tools/testing/kunit.py run --kunitconfig=fs/ext4/.kunitconfig

Thanks, applied, with one minor fixup.  The path to kunit.py is

./tools/testing/kunit/kunit.py

						- Ted