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SubjectRe: [PATCH v3 0/5] Fix nits in the kunit
On Wed, Dec 4, 2019 at 8:21 PM Brendan Higgins
<brendanhiggins@google.com> wrote:
>
> On Tue, Dec 03, 2019 at 02:41:26PM -0800, Brendan Higgins wrote:
> > On Tue, Dec 3, 2019 at 10:08 AM SeongJae Park <sj38.park@gmail.com> wrote:
> > >
> > > This patchset contains trivial fixes for the kunit documentations and the
> > > wrapper python scripts.
> > >
> > > Changes from v2 (https://lore.kernel.org/linux-kselftest/1575361141-6806-1-git-send-email-sj38.park@gmail.com/T/#t):
> > > - Make 'build_dir' if not exists (missed from v3 by mistake)
> > >
> > > SeongJae Park (5):
> > > docs/kunit/start: Use in-tree 'kunit_defconfig'
> > > kunit: Remove duplicated defconfig creation
> > > kunit: Create default config in '--build_dir'
> > > kunit: Place 'test.log' under the 'build_dir'
> > > kunit: Rename 'kunitconfig' to '.kunitconfig'
> > >
> > > Documentation/dev-tools/kunit/start.rst | 13 +++++--------
> > > tools/testing/kunit/kunit.py | 16 ++++++++++------
> > > tools/testing/kunit/kunit_kernel.py | 8 ++++----
> > > 3 files changed, 19 insertions(+), 18 deletions(-)
> >
> > Tested-by: Brendan Higgins <brendanhiggins@google.com>
>
> I just realized that I forgot to test for something...
>
> The following command fails:
>
> ./tools/testing/kunit/kunit.py run --timeout=60 --jobs=12 --defconfig
>
> [11:17:13] Building KUnit Kernel ...
> [11:17:16] Starting KUnit Kernel ...
> Traceback (most recent call last):
> File "tools/testing/kunit/kunit.py", line 142, in <module>
> main(sys.argv[1:])
> File "tools/testing/kunit/kunit.py", line 135, in main
> result = run_tests(linux, request)
> File "tools/testing/kunit/kunit.py", line 67, in run_tests
> test_result = kunit_parser.parse_run_tests(kunit_output)
> File "/usr/local/google/home/brendanhiggins/gbmc-linux/tools/testing/kunit/kunit_parser.py", line 283, in parse_run_tests
> test_result = parse_test_result(list(isolate_kunit_output(kernel_output)))
> File "/usr/local/google/home/brendanhiggins/gbmc-linux/tools/testing/kunit/kunit_parser.py", line 54, in isolate_kunit_output
> for line in kernel_output:
> File "/usr/local/google/home/brendanhiggins/gbmc-linux/tools/testing/kunit/kunit_kernel.py", line 146, in run_kernel
> with open(os.path.join(build_dir, 'test.log'), 'w') as f:
> File "/usr/lib/python3.7/posixpath.py", line 80, in join
> a = os.fspath(a)
> TypeError: expected str, bytes or os.PathLike object, not NoneType
>
> It seems as though you assume that build_dir is always populated by the flag.

Sorry for not checking the case. The 4th patch, "kunit: Place 'test.log' under
the 'build_dir'" made the bug. I fixed the 4th patch and tested with below
commands:

./tools/testing/kunit/kunit.py run --timeout=60 --jobs=12
--defconfig --build_dir .kunit
./tools/testing/kunit/kunit.py run --timeout=60 --jobs=12 --defconfig

Just sent the 4th version patchset including the fix:
http://lkml.kernel.org/r/1575490683-13015-1-git-send-email-sj38.park@gmail.com

I will consider adding some tests that can check such cases in the
'kunit_tools_test.py' later.


Thanks,
SeongJae Park

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