linux-kernel - [PATCH 0/2] kunit: tool: Don't overwrite test status based on subtest counts

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Message-Id: <20251230-kunit-nested-failure-v1-0-98cfbeb87823@linutronix.de>
Date: Tue, 30 Dec 2025 13:26:34 +0100
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Brendan Higgins <brendan.higgins@...ux.dev>, 
 David Gow <davidgow@...gle.com>, Rae Moar <raemoar63@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 kunit-dev@...glegroups.com, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>, 
 Rae Moar <raemoar63@...il.com>
Subject: [PATCH 0/2] kunit: tool: Don't overwrite test status based on
 subtest counts

If a subtest itself reports success, but the outer testcase fails,
the whole testcase should be reported as a failure. However the status
is recalculated based on the test counts, overwriting the outer test
result. Synthesize a failed test in this case to make sure the failure
is not swallowed.

These patches where previously part of my KUnit UAPI series [0].
I split them out, as they are useful on their own and the KUnit UAPI
series does not actually have a hard dependency on them.

[0] https://lore.kernel.org/lkml/20250717-kunit-kselftests-v5-0-442b711cde2e@linutronix.de/

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
Thomas Weißschuh (2):
      kunit: tool: Add test for nested test result reporting
      kunit: tool: Don't overwrite test status based on subtest counts

 tools/testing/kunit/kunit_parser.py                           |  3 +++
 tools/testing/kunit/kunit_tool_test.py                        | 11 +++++++++++
 .../kunit/test_data/test_is_test_passed-failure-nested.log    | 10 ++++++++++
 3 files changed, 24 insertions(+)
---
base-commit: a77b19b747c8a53ac16289685b0f77085a2ad553
change-id: 20251230-kunit-nested-failure-a3a56ec999ba

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@...utronix.de>