linux-kernel - Re: [PATCH v2 07/17] kunit: test: add initial tests

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Message-ID: <CAFd5g44os8xEMMiROkmX_KM4-9yL=+y6kw4-JApxhdzJV5pwkg@mail.gmail.com>
Date:   Thu, 2 May 2019 13:30:12 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Kees Cook <keescook@...gle.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        shuah@...nel.org, devicetree <devicetree@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        kunit-dev@...glegroups.com, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-kselftest@...r.kernel.org,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        linux-um@...ts.infradead.org,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        "Bird, Timothy" <Tim.Bird@...y.com>,
        Amir Goldstein <amir73il@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Vetter <daniel@...ll.ch>, Jeff Dike <jdike@...toit.com>,
        Joel Stanley <joel@....id.au>,
        Julia Lawall <julia.lawall@...6.fr>,
        Kevin Hilman <khilman@...libre.com>,
        Knut Omang <knut.omang@...cle.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Petr Mladek <pmladek@...e.com>,
        Richard Weinberger <richard@....at>,
        David Rientjes <rientjes@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>, wfg@...ux.intel.com
Subject: Re: [PATCH v2 07/17] kunit: test: add initial tests

On Thu, May 2, 2019 at 3:58 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Wed, May 01, 2019 at 04:01:16PM -0700, Brendan Higgins wrote:
> > Add a test for string stream along with a simpler example.
> >
> > Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
> > ---
> >  kunit/Kconfig              | 12 ++++++
> >  kunit/Makefile             |  4 ++
> >  kunit/example-test.c       | 88 ++++++++++++++++++++++++++++++++++++++
> >  kunit/string-stream-test.c | 61 ++++++++++++++++++++++++++
> >  4 files changed, 165 insertions(+)
> >  create mode 100644 kunit/example-test.c
> >  create mode 100644 kunit/string-stream-test.c
> >
> > diff --git a/kunit/Kconfig b/kunit/Kconfig
> > index 64480092b2c24..5cb500355c873 100644
> > --- a/kunit/Kconfig
> > +++ b/kunit/Kconfig
> > @@ -13,4 +13,16 @@ config KUNIT
> >         special hardware. For more information, please see
> >         Documentation/kunit/
> >
> > +config KUNIT_TEST
> > +     bool "KUnit test for KUnit"
> > +     depends on KUNIT
> > +     help
> > +       Enables KUnit test to test KUnit.
> > +
> > +config KUNIT_EXAMPLE_TEST
> > +     bool "Example test for KUnit"
> > +     depends on KUNIT
> > +     help
> > +       Enables example KUnit test to demo features of KUnit.
>
> Can't these tests be module?

At this time, no. KUnit doesn't support loading tests as kernel
modules; it is something we could add in in the future, but I would
rather not open that can of worms right now. There are some other
things I would like to do that would probably be easier to do before
adding support for tests as loadable modules.

>
> Or am I mis-reading the previous logic?
>
> Anyway, just a question, nothing objecting to this as-is for now.

Cool

Cheers!