linux-kernel - Re: [PATCH v2 1/2] kunit: kunit_parser: make parser more robust

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Message-ID: <CAMVcs3uBetxWdLw=R86D1by3+SJO3ruo5Z7UUA_YHF9Hu3BKFw@mail.gmail.com>
Date:   Mon, 16 Mar 2020 13:27:19 -0700
From:   Heidi Fahim <heidifahim@...gle.com>
To:     shuah <shuah@...nel.org>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        KUnit Development <kunit-dev@...glegroups.com>
Subject: Re: [PATCH v2 1/2] kunit: kunit_parser: make parser more robust

On Fri, Mar 13, 2020 at 1:22 PM shuah <shuah@...nel.org> wrote:
>
> On 3/5/20 2:25 PM, Brendan Higgins wrote:
> > On Thu, Mar 5, 2020 at 12:04 PM Heidi Fahim <heidifahim@...gle.com> wrote:
> >>
> >> Previously, kunit_parser did not properly handle kunit TAP output that
> >> - had any prefixes (generated from different configs e.g.
> >> CONFIG_PRINTK_TIME)
> >> - had unrelated kernel output mixed in the middle of
> >> it, which has shown up when testing with allyesconfig
> >> To remove prefixes, the parser looks for the first line that includes
> >> TAP output, "TAP version 14".  It then determines the length of the
> >> string before this sequence, and strips that number of characters off
> >> the beginning of the following lines until the last KUnit output line is
> >> reached.
> >> These fixes have been tested with additional tests in the
> >> KUnitParseTest and their associated logs have also been added.
> >>
> >> Signed-off-by: Heidi Fahim <heidifahim@...gle.com>
> >
> > Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
> >
>
> Heidi and Brendan,
>
> git apply is throwing away formatting in
>
> tools/testing/kunit/test_data/test_config_printk_time.log
>
>
> Applying: kunit: kunit_parser: make parser more robust
> .git/rebase-apply/patch:396: space before tab in indent.
>         # Subtest: kunit-resource-test
> .git/rebase-apply/patch:397: space before tab in indent.
>         1..5
> .git/rebase-apply/patch:398: space before tab in indent.
>         ok 1 - kunit_resource_test_init_resources
> .git/rebase-apply/patch:399: space before tab in indent.
>         ok 2 - kunit_resource_test_alloc_resource
> .git/rebase-apply/patch:400: space before tab in indent.
>         ok 3 - kunit_resource_test_destroy_resource
> warning: squelched 11 whitespace errors
> warning: 16 lines add whitespace errors.
>
> Can you fix this and resend patches. If apply this as is,
> all the formatting you have in there goes away.
>
> This is what gets applied.
>
> [    0.060000] TAP version 14
> [    0.060000]  # Subtest: kunit-resource-test
> [    0.060000]  1..5
> [    0.060000]  ok 1 - kunit_resource_test_init_resources
> [    0.060000]  ok 2 - kunit_resource_test_alloc_resource
> [    0.060000]  ok 3 - kunit_resource_test_destroy_resource
> [    0.060000]  ok 4 - kunit_resource_test_cleanup_resources
> [    0.060000]  ok 5 - kunit_resource_test_proper_free_ordering
> [    0.060000] ok 1 - kunit-resource-test
> [    0.060000]  # Subtest: kunit-try-catch-test
> [    0.060000]  1..2
> [    0.060000]  ok 1 - kunit_test_try_catch_successful_try_no_catch
> [    0.060000]  ok 2 - kunit_test_try_catch_unsuccessful_try_does_catch
> [    0.060000] ok 2 - kunit-try-catch-test
> [    0.060000]  # Subtest: string-stream-test
> [    0.060000]  1..3
> [    0.060000]  ok 1 - string_stream_test_empty_on_creation
> [    0.060000]  ok 2 - string_stream_test_not_empty_after_add
> [    0.060000]  ok 3 - string_stream_test_get_string
> [    0.060000] ok 3 - string-stream-test
> [    0.060000] List of all partitions:
> [    0.060000] No filesystem could mount root, tried:
>
> thanks,
> -- Shuah

Thanks Shuah. I made the fix by marking the .log files as binaries
which should make the git apply work well now. See my v3 patch for
specifics.

Best,
Heidi