Re: [PATCH 16/16] tests/acceptance: Test the MIPSsim machine

[Willian Rampazzo <wrampazz@redhat.com>]

On Mon, Sep 28, 2020 at 2:31 PM Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> Add a test for the mipssim machine, based on the recommended
> test setup from Thomas Huth:
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg606846.html
>
> The test is quick and can be run as:
>
>   $ avocado --show=console run -t machine:mipssim tests/acceptance/
>    (1/1) tests/acceptance/machine_mips_mipssim.py:MipsSimMachine.test_mipssim_linux_console:
>   console: Linux version 3.6.11 (root@711bb8ba16a7) (gcc version 4.8.3 (Buildroot 2014.11) ) #2 Sun Sep 27 13:39:35 UTC 2020
>   console: Setting default memory size 0x02000000
>   console: bootconsole [early0] enabled
>   console: CPU revision is: 00019300 (MIPS 24Kc)
>   console: FPU revision is: 00739300
>   ...
>   console: CPU frequency 12.00 MHz
>   console: Calibrating delay loop... 950.27 BogoMIPS (lpj=4751360)
>   ...
>   console: MIPSNet Ethernet driver. Version: 2007-11-17. (c)2005 MIPS Technologies, Inc.
>   ...
>   console: Welcome to Buildroot
>   console: buildroot login: root
>   console: # root
>   console: -sh: root: not found
>   console: # ping -c 3 10.0.2.2
>   console: PING 10.0.2.2 (10.0.2.2): 56 data bytes
>   console: 64 bytes from 10.0.2.2: seq=0 ttl=255 time=48.231 ms
>   console: 64 bytes from 10.0.2.2: seq=1 ttl=255 time=9.407 ms
>   console: 64 bytes from 10.0.2.2: seq=2 ttl=255 time=2.298 ms
>   console: --- 10.0.2.2 ping statistics ---
>   console: 3 packets transmitted, 3 packets received, 0% packet loss
>   PASS (7.99 s)
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> Cc: Thomas Huth <huth@tuxfamily.org>
> ---
>  MAINTAINERS                              |  1 +
>  tests/acceptance/machine_mips_mipssim.py | 56 ++++++++++++++++++++++++
>  2 files changed, 57 insertions(+)
>  create mode 100644 tests/acceptance/machine_mips_mipssim.py
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 5eed1e692b4..17d8a012b0e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -240,6 +240,7 @@ F: include/hw/misc/mips_*
>  F: include/hw/timer/mips_gictimer.h
>  F: tests/acceptance/linux_ssh_mips_malta.py
>  F: tests/acceptance/machine_mips_malta.py
> +F: tests/acceptance/machine_mips_mipssim.py
>  F: tests/tcg/mips/
>  K: ^Subject:.*(?i)mips
>
> diff --git a/tests/acceptance/machine_mips_mipssim.py b/tests/acceptance/machine_mips_mipssim.py
> new file mode 100644
> index 00000000000..b2749917b08
> --- /dev/null
> +++ b/tests/acceptance/machine_mips_mipssim.py
> @@ -0,0 +1,56 @@
> +# Functional tests for the MIPS simulator (MIPSsim machine)
> +#
> +# Copyright (c) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org>
> +#
> +# This work is licensed under the terms of the GNU GPL, version 2 or later.
> +# See the COPYING file in the top-level directory.
> +#
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +
> +import os
> +import logging
> +import time
> +
> +from avocado import skipUnless
> +from avocado_qemu import Test
> +from avocado_qemu import exec_command_and_wait_for_pattern
> +from avocado_qemu import interrupt_interactive_console_until_pattern
> +from avocado_qemu import wait_for_console_pattern
> +
> +class MipsSimMachine(Test):
> +
> +    timeout = 30
> +    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
> +
> +    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
> +    def test_mipssim_linux_console(self):
> +        """
> +        Boots the Linux kernel and checks that the console is operational
> +        :avocado: tags=arch:mipsel
> +        :avocado: tags=machine:mipssim
> +        :avocado: tags=device:mipsnet
> +        """
> +        kernel_url = ('https://github.com/philmd/qemu-testing-blob/raw/'
> +                      '32ea5764e1de8fffa0d59366c44822cd06d7c8e0/'
> +                      'mips/mipssim/mipsel/vmlinux')

So, are you willing to maintain some images on your GitHub to avoid
the image changes when they are not found?

> +        kernel_hash = '0f9aeca3a2e25b5b0cc4999571f39a7ad58cdc43'
> +        kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
> +
> +        initrd_url = ('https://github.com/philmd/qemu-testing-blob/raw/'
> +                      '32ea5764e1de8fffa0d59366c44822cd06d7c8e0/'
> +                      'mips/mipssim/mipsel/rootfs.cpio')
> +        initrd_hash = 'b20359bdfae66387e5a17d6692686d59c189417b'
> +        initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
> +
> +        self.vm.set_console()
> +        self.vm.add_args('-kernel', kernel_path,
> +                         '-initrd', initrd_path,
> +                         '-append', self.KERNEL_COMMON_COMMAND_LINE)
> +        self.vm.launch()
> +
> +        wait_for_console_pattern(self, 'Welcome to Buildroot')
> +        interrupt_interactive_console_until_pattern(self,
> +                                                    interrupt_string='root\r',
> +                                                    success_message='#')
> +        pattern = '3 packets transmitted, 3 packets received, 0% packet loss'
> +        exec_command_and_wait_for_pattern(self, 'ping -c 3 10.0.2.2', pattern)
> --
> 2.26.2
>
>

IMHO, although the solution of spreading images over personal
repositories is not the best, I don't have a strong opinion to block
this, so

Reviewed-by: Willian Rampazzo (willianr@redhat.com)