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From:   Rob Herring <robh@kernel.org>
Date:   Wed, 17 Oct 2018 15:43:45 -0500
Message-ID: <CABGGisyc_MnO-izpK5ANYV9HEcWCUM5XTiouZPvN8-mO977A6Q@mail.gmail.com>
Subject: Re: [RFC v1 00/31] kunit: Introducing KUnit, the Linux kernel unit
 testing framework
To:     brendanhiggins@google.com
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        keescook@google.com, mcgrof@kernel.org, shuah@kernel.org,
        joel@jms.id.au, Michael Ellerman <mpe@ellerman.id.au>,
        Joe Perches <joe@perches.com>, brakmo@fb.com,
        Steven Rostedt <rostedt@goodmis.org>, Tim.Bird@sony.com,
        khilman@baylibre.com, Julia Lawall <julia.lawall@lip6.fr>,
        linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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On Tue, Oct 16, 2018 at 6:53 PM Brendan Higgins
<brendanhiggins@google.com> wrote:
>
> This patch set proposes KUnit, a lightweight unit testing and mocking
> framework for the Linux kernel.
>
> Unlike Autotest and kselftest, KUnit is a true unit testing framework;
> it does not require installing the kernel on a test machine or in a VM
> and does not require tests to be written in userspace running on a host
> kernel. Additionally, KUnit is fast: From invocation to completion KUnit
> can run several dozen tests in under a second. Currently, the entire
> KUnit test suite for KUnit runs in under a second from the initial
> invocation (build time excluded).
>
> KUnit is heavily inspired by JUnit, Python's unittest.mock, and
> Googletest/Googlemock for C++. KUnit provides facilities for defining
> unit test cases, grouping related test cases into test suites, providing
> common infrastructure for running tests, mocking, spying, and much more.

I very much like this. The DT code too has unit tests with our own,
simple infrastructure. They too can run under UML (and every other
arch).

Rob