linux-kernel - Re: [PATCH] kunit: kunit_tool: Correctly parse diagnostic messages

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Date:   Tue, 10 Nov 2020 11:58:31 +0100
From:   Marco Elver <elver@...gle.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Arpitha Raghunandan <98.arpi@...il.com>,
        KUnit Development <kunit-dev@...glegroups.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kunit: kunit_tool: Correctly parse diagnostic messages

On Tue, 10 Nov 2020 at 08:29, David Gow <davidgow@...gle.com> wrote:
>
> Currently, kunit_tool expects all diagnostic lines in test results to
> contain ": " somewhere, as both the subtest header and the crash report
> do. Fix this to accept any line starting with (minus indent) "# " as
> being a valid diagnostic line.
>
> This matches what the TAP spec[1] and the draft KTAP spec[2] are
> expecting.
>
> [1]: http://testanything.org/tap-specification.html
> [2]: https://lore.kernel.org/linux-kselftest/CY4PR13MB1175B804E31E502221BC8163FD830@CY4PR13MB1175.namprd13.prod.outlook.com/T/
>
> Signed-off-by: David Gow <davidgow@...gle.com>

Acked-by: Marco Elver <elver@...gle.com>

Thanks!

> ---
>  tools/testing/kunit/kunit_parser.py | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
> index 84a1af2581f5..dab4cfa05b74 100644
> --- a/tools/testing/kunit/kunit_parser.py
> +++ b/tools/testing/kunit/kunit_parser.py
> @@ -134,8 +134,8 @@ def parse_ok_not_ok_test_case(lines: List[str], test_case: TestCase) -> bool:
>         else:
>                 return False
>
> -SUBTEST_DIAGNOSTIC = re.compile(r'^[\s]+# .*?: (.*)$')
> -DIAGNOSTIC_CRASH_MESSAGE = 'kunit test case crashed!'
> +SUBTEST_DIAGNOSTIC = re.compile(r'^[\s]+# (.*)$')
> +DIAGNOSTIC_CRASH_MESSAGE = re.compile(r'^[\s]+# .*?: kunit test case crashed!$')
>
>  def parse_diagnostic(lines: List[str], test_case: TestCase) -> bool:
>         save_non_diagnositic(lines, test_case)
> @@ -145,7 +145,8 @@ def parse_diagnostic(lines: List[str], test_case: TestCase) -> bool:
>         match = SUBTEST_DIAGNOSTIC.match(line)
>         if match:
>                 test_case.log.append(lines.pop(0))
> -               if match.group(1) == DIAGNOSTIC_CRASH_MESSAGE:
> +               crash_match = DIAGNOSTIC_CRASH_MESSAGE.match(line)
> +               if crash_match:
>                         test_case.status = TestStatus.TEST_CRASHED
>                 return True
>         else:
> --
> 2.29.2.222.g5d2a92d10f8-goog
>