linux-kernel - Re: [PATCH 2/3] kunit: tool: make parser stop overwriting status of suites w/ no

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Date:   Thu, 12 May 2022 13:53:28 -0400
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     davidgow@...gle.com, linux-kernel@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH 2/3] kunit: tool: make parser stop overwriting status of
 suites w/ no_tests

On Tue, Apr 26, 2022 at 1:33 PM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> Consider this invocation
> $ ./tools/testing/kunit/kunit.py parse <<EOF
>   TAP version 14
>   1..2
>   ok 1 - suite
>     # Subtest: no_tests_suite
>     # catastrophic error!
>   not ok 1 - no_tests_suite
> EOF
>
> It will have a 0 exit code even though there's a "not ok".
>
> Consider this one:
> $ ./tools/testing/kunit/kunit.py parse <<EOF
>   TAP version 14
>   1..2
>   ok 1 - suite
>   not ok 1 - no_tests_suite
> EOF
>
> It will a non-zero exit code.
>
> Why?
> We have this line in the kunit_parser.py
> > parent_test = parse_test_header(lines, test)
> where we have special handling when we see "# Subtest" and we ignore the
> explicit reported "not ok 1" status!
>
> Also, NO_TESTS at a suite-level only results in a non-zero status code
> where then there's only one suite atm.
>
> This change is the minimal one to make sure we don't overwrite it.
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>

Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>