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From:   Brendan Higgins <brendanhiggins@google.com>
Date:   Tue, 3 Dec 2019 09:45:31 -0800
Message-ID: <CAFd5g46qPPsKJFqs07Eiea0Nim=YDWbOUndJu=JbW--VcTb-ww@mail.gmail.com>
Subject: Re: [PATCH 0/6] Fix nits in the kunit
To:     SeongJae Park <sj38.park@gmail.com>
Cc:     Shuah Khan <shuah@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        KUnit Development <kunit-dev@googlegroups.com>,
        linux-doc <linux-doc@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        SeongJae Park <sjpark@amazon.de>
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On Tue, Dec 3, 2019 at 12:26 AM SeongJae Park <sj38.park@gmail.com> wrote:
>
> You're right, the error was due to the assumption of the existence of the
> build_dir.  The "kunit: Create default config in '--build_dir'" patch made the
> bug.  I fixed it in the second version patchset[1].
>
> [1] https://lore.kernel.org/linux-doc/1575361141-6806-1-git-send-email-sj38.park@gmail.com/

After trying your new patches, I am still getting the
"FileNotFoundError" when the given build_dir has not been created.

> Thanks,
> SeongJae Park
>
> On Tue, Dec 3, 2019 at 8:10 AM SeongJae Park <sj38.park@gmail.com> wrote:
> >
> > On Tue, Dec 3, 2019 at 8:00 AM Brendan Higgins
> > <brendanhiggins@google.com> wrote:
> > >
> > > On Mon, Dec 02, 2019 at 08:25:18AM +0900, SeongJae Park wrote:
> > > > From: SeongJae Park <sjpark@amazon.de>
> > > >
> > > > This patchset contains trivial fixes for the kunit documentations and the
> > > > wrapper python scripts.
> > > >
> > > > SeongJae Park (6):
> > > >   docs/kunit/start: Use in-tree 'kunit_defconfig'
> > > >   docs/kunit/start: Skip wrapper run command
> > > >   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 | 19 +++++--------------
> > > >  tools/testing/kunit/kunit.py            | 10 ++++++----
> > > >  tools/testing/kunit/kunit_kernel.py     |  6 +++---
> > > >  3 files changed, 14 insertions(+), 21 deletions(-)
> > >
> > > I applied your patchset to torvalds/master, ran the command:
> > >
> > > tools/testing/kunit/kunit.py run --timeout=60 --jobs=8 --defconfig --build_dir=.kunit
> > >
> > > and got the error:
> > >
> > > Traceback (most recent call last):
> > >   File "tools/testing/kunit/kunit.py", line 140, in <module>
> > >     main(sys.argv[1:])
> > >   File "tools/testing/kunit/kunit.py", line 123, in main
> > >     create_default_kunitconfig()
> > >   File "tools/testing/kunit/kunit.py", line 36, in create_default_kunitconfig
> > >     kunit_kernel.KUNITCONFIG_PATH)
> > >   File "/usr/lib/python3.7/shutil.py", line 121, in copyfile
> > >     with open(dst, 'wb') as fdst:
> > > FileNotFoundError: [Errno 2] No such file or directory: '.kunit/.kunitconfig'
> > >
> > > It seems that it expects the build_dir to already exist; however, I
> > > don't think this is clear from the error message. Would you mind
> > > addressing that here?
> >
> > Thank you for sharing this.  I will take a look!
> >
> >
> > Thanks,
> > SeongJae Park
> > >
> > > Cheers!