linux-kernel - Re: [PATCH v8] kunit: tool: improve compatibility of kunit

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Date:   Tue, 12 Oct 2021 10:58:34 +0800
From:   David Gow <davidgow@...gle.com>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        KUnit Development <kunit-dev@...glegroups.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v8] kunit: tool: improve compatibility of kunit_parser
 with KTAP specification

On Tue, Oct 12, 2021 at 5:50 AM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> From: Rae Moar <rmoar@...gle.com>
>
> Update to kunit_parser to improve compatibility with KTAP
> specification including arbitrarily nested tests. Patch accomplishes
> three major changes:
>
> - Use a general Test object to represent all tests rather than TestCase
> and TestSuite objects. This allows for easier implementation of arbitrary
> levels of nested tests and promotes the idea that both test suites and test
> cases are tests.
>
> - Print errors incrementally rather than all at once after the
> parsing finishes to maximize information given to the user in the
> case of the parser given invalid input and to increase the helpfulness
> of the timestamps given during printing. Note that kunit.py parse does
> not print incrementally yet. However, this fix brings us closer to
> this feature.
>
> - Increase compatibility for different formats of input. Arbitrary levels
> of nested tests supported. Also, test cases and test suites are now
> supported to be present on the same level of testing.
>
> This patch now implements the draft KTAP specification here:
> https://lore.kernel.org/linux-kselftest/CA+GJov6tdjvY9x12JsJT14qn6c7NViJxqaJk+r-K1YJzPggFDQ@mail.gmail.com/
> We'll update the parser as the spec evolves.
>
> This patch adjusts the kunit_tool_test.py file to check for
> the correct outputs from the new parser and adds a new test to check
> the parsing for a KTAP result log with correct format for multiple nested
> subtests (test_is_test_passed-all_passed_nested.log).
>
> This patch also alters the kunit_json.py file to allow for arbitrarily
> nested tests.
>
> Signed-off-by: Rae Moar <rmoar@...gle.com>
> Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
> Reviewed-by: David Gow <davidgow@...gle.com>
> ---

Thanks -- this fixes the KASAN issues for me.

Cheers,
-- David