Re: [RFC v1 00/31] kunit: Introducing KUnit, the Linux kernel unit testing framework

From: Rob Herring
Date: Wed Oct 17 2018 - 16:44:03 EST

On Tue, Oct 16, 2018 at 6:53 PM Brendan Higgins
<brendanhiggins@xxxxxxxxxx> 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