netdev - Re: [PATCH RFC net-next v3 2/2] selftests/dpll: add DPLL system integration selftests

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Date: Mon, 20 Nov 2023 17:16:31 +0000
From: Simon Horman <horms@...nel.org>
To: Michal Michalik <michal.michalik@...el.com>
Cc: netdev@...r.kernel.org, vadim.fedorenko@...ux.dev,
	arkadiusz.kubalewski@...el.com, jonathan.lemon@...il.com,
	pabeni@...hat.com, poros@...hat.com, milena.olech@...el.com,
	mschmidt@...hat.com, linux-clk@...r.kernel.org, bvanassche@....org,
	kuba@...nel.org, davem@...emloft.net, edumazet@...gle.com
Subject: Re: [PATCH RFC net-next v3 2/2] selftests/dpll: add DPLL system
 integration selftests

On Fri, Nov 17, 2023 at 08:05:05PM +0100, Michal Michalik wrote:
> The tests are written in Python3 (3.7+) and pytest testing framework.
> Framework is basing on the ynl library available in the kernel tree
> at: tools/net/ynl
> 
> High level flow of DPLL subsystem integration selftests:
> (after running run_dpll_tests.sh or 'make -C tools/testing/selftests')
> 1) check if Python in correct version is installed,
> 2) create temporary Python virtual environment,
> 3) install all the required libraries,
> 4) run the tests,
> 5) do cleanup.
> 
> The DPLL system integration tests are meant to be part of selftests, so
> they can be build and run using command:
>   make -C tools/testing/selftests
> 
> Alternatively, they can be run using single command [1]:
>   make kselftest
> 
> If we want to run only DPLL tests, we should set the TARGETS variable:
>   make -C tools/testing/selftests TARGETS=drivers/net/netdevsim/dpll
> 
> They can also be run standalone using starter script:
>   ./run_dpll_tests.sh
> 
> There is a possibliy to set optional PYTEST_PARAMS environment variable
> to set the pytest options, like tests filtering ("-k <filter>") or
> verbose output ("-v").
> 
> [1] https://www.kernel.org/doc/html/v5.0/dev-tools/kselftest.html
> 
> Signed-off-by: Michal Michalik <michal.michalik@...el.com>

...

> diff --git a/tools/testing/selftests/drivers/net/netdevsim/dpll/run_dpll_tests.sh b/tools/testing/selftests/drivers/net/netdevsim/dpll/run_dpll_tests.sh
> new file mode 100755
> index 0000000..3bed221
> --- /dev/null
> +++ b/tools/testing/selftests/drivers/net/netdevsim/dpll/run_dpll_tests.sh
> @@ -0,0 +1,75 @@
> +#!/usr/bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Wraper script for running the DPLL system integration tests.

nit: Wrapper

     Also elsewhere in this patch.

...