linux-kernel - Re: [PATCH v17 07/19] kunit: test: add initial tests

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Message-ID: <CAFd5g44e9bdK8h5+U1MkqPNuf2k9vnu-iPFLTzGajEHPEcRpHQ@mail.gmail.com>
Date:   Mon, 23 Sep 2019 02:05:02 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Kees Cook <keescook@...gle.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        shuah <shuah@...nel.org>, "Theodore Ts'o" <tytso@....edu>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        devicetree <devicetree@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        kunit-dev@...glegroups.com,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
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        linux-um@...ts.infradead.org,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
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        Amir Goldstein <amir73il@...il.com>,
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        Knut Omang <knut.omang@...cle.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Michael Ellerman <mpe@...erman.id.au>,
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        Richard Weinberger <richard@....at>,
        David Rientjes <rientjes@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>, wfg@...ux.intel.com,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v17 07/19] kunit: test: add initial tests

On Sun, Sep 22, 2019 at 9:28 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> On 9/20/19 5:18 PM, Brendan Higgins wrote:
> > Add a test for string stream along with a simpler example.
> >
> > Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
> > Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Reviewed-by: Logan Gunthorpe <logang@...tatee.com>
> > Reviewed-by: Stephen Boyd <sboyd@...nel.org>
> > ---
> >  lib/kunit/Kconfig              | 25 ++++++++++
> >  lib/kunit/Makefile             |  4 ++
> >  lib/kunit/example-test.c       | 88 ++++++++++++++++++++++++++++++++++
> >  lib/kunit/string-stream-test.c | 52 ++++++++++++++++++++
> >  4 files changed, 169 insertions(+)
> >  create mode 100644 lib/kunit/example-test.c
> >  create mode 100644 lib/kunit/string-stream-test.c
> >
> > diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
> > index 666b9cb67a74..3868c226cf31 100644
> > --- a/lib/kunit/Kconfig
> > +++ b/lib/kunit/Kconfig
> > @@ -11,3 +11,28 @@ menuconfig KUNIT
> >         special hardware when using UML. Can also be used on most other
> >         architectures. For more information, please see
> >         Documentation/dev-tools/kunit/.
> > +
> > +if KUNIT
>
> The 'if' above provides the dependency clause, so the 2 'depends on KUNIT'
> below are not needed.  They are redundant.

Thanks for catching that. I fixed it in the new revision I just sent out.

> > +
> > +config KUNIT_TEST
> > +     bool "KUnit test for KUnit"
> > +     depends on KUNIT
> > +     help
> > +       Enables the unit tests for the KUnit test framework. These tests test
> > +       the KUnit test framework itself; the tests are both written using
> > +       KUnit and test KUnit. This option should only be enabled for testing
> > +       purposes by developers interested in testing that KUnit works as
> > +       expected.
> > +
> > +config KUNIT_EXAMPLE_TEST
> > +     bool "Example test for KUnit"
> > +     depends on KUNIT
> > +     help
> > +       Enables an example unit test that illustrates some of the basic
> > +       features of KUnit. This test only exists to help new users understand
> > +       what KUnit is and how it is used. Please refer to the example test
> > +       itself, lib/kunit/example-test.c, for more information. This option
> > +       is intended for curious hackers who would like to understand how to
> > +       use KUnit for kernel development.
> > +
> > +endif # KUNIT

Cheers