linux-kernel - [PATCH 0/2] Add support for inlined documentation for kunit and kselftests

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Message-ID: <cover.1693550658.git.mchehab@kernel.org>
Date:   Fri,  1 Sep 2023 08:51:04 +0200
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 0/2] Add support for inlined documentation for kunit and kselftests

This is a follow-up of the discussions taken here:

   https://lore.kernel.org/linux-doc/20230704132812.02ba97ba@maurocar-mobl2/T/#t

I sent a previous version as RFC. This is basically what we had there, with some
improvements at test_list.py.

It adds a new extension that allows documenting tests using the same tool we're
using for DRM unit tests at IGT GPU tools: https://gitlab.freedesktop.org/drm/igt-gpu-tools.

While kernel-doc has provided documentation for in-lined functions/struct comments,
it was not meant to document tests.

Tests need to be grouped by the test functions. It should also be possible to produce
other outputs from the documentation, to integrate it with test suites. For instance, 
Internally at Intel, we use the comments to generate DOT files hierarchically grouped
per feature categories.

This is meant to be an initial series to start documenting kunit.

It comes with a documenation for a kunit suite from drm at drm_buddy_test.c.

My plan is that, once we get this merged, start documenting other unit tests and work
to add extra requirements at the tool needed by Linux Kernel.

On this series, we have:

- patch 1:
  adds test_list.py - which is identical to the file with the same name I developed for
  IGT tree;
- patch 2:
  adds  test documentation from a single DRM kunit file (drm_buddy_test.c).

Mauro Carvalho Chehab (2):
  docs: add support for documenting kUnit and kSelftests
  drm: add documentation for drm_buddy_test kUnit test

 Documentation/conf.py                  |    2 +-
 Documentation/index.rst                |    2 +-
 Documentation/sphinx/test_kdoc.py      |  108 ++
 Documentation/sphinx/test_list.py      | 1314 ++++++++++++++++++++++++
 Documentation/tests/index.rst          |    6 +
 Documentation/tests/kunit.rst          |    5 +
 drivers/gpu/drm/tests/drm_buddy_test.c |   12 +
 7 files changed, 1447 insertions(+), 2 deletions(-)
 create mode 100755 Documentation/sphinx/test_kdoc.py
 create mode 100644 Documentation/sphinx/test_list.py
 create mode 100644 Documentation/tests/index.rst
 create mode 100644 Documentation/tests/kunit.rst

-- 
2.41.0