[PATCH] test/py: net: Add a test for 'pxe get' command

[Ramon Fried]

On Tue, Oct 3, 2023 at 4:12 PM Love Kumar <love.kumar at amd.com> wrote:
>
> Execute the 'pxe get' command to download a pxe configuration file from
> the TFTP server and validate its interpretation.
>
> Signed-off-by: Love Kumar <love.kumar at amd.com>
> ---
>  test/py/tests/test_net.py | 66 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 66 insertions(+)
>
> diff --git a/test/py/tests/test_net.py b/test/py/tests/test_net.py
> index cd4b4dc53cbc..b2241ae6a482 100644
> --- a/test/py/tests/test_net.py
> +++ b/test/py/tests/test_net.py
> @@ -6,6 +6,7 @@
>
>  import pytest
>  import u_boot_utils
> +import uuid
>
>  """
>  Note: This test relies on boardenv_* containing configuration values to define
> @@ -61,6 +62,16 @@ env__net_nfs_readable_file = {
>      'crc32': 'c2244b26',
>  }
>
> +# Details regarding a file that may be read from a TFTP server. This variable
> +# may be omitted or set to None if PXE testing is not possible or desired.
> +env__net_pxe_readable_file = {
> +    'fn': 'default',
> +    'addr': 0x2000000,
> +    'size': 74,
> +    'timeout': 50000,
> +    'pattern': 'Linux',
> +}
> +
>  # True if a router advertisement service is connected to the network, and should
>  # be tested. If router advertisement testing is not possible or desired, this
>  variable may be omitted or set to False.
> @@ -260,3 +271,58 @@ def test_net_nfs(u_boot_console):
>
>      output = u_boot_console.run_command('crc32 %x $filesize' % addr)
>      assert expected_crc in output
> +
> + at pytest.mark.buildconfigspec("cmd_net")
> + at pytest.mark.buildconfigspec("cmd_pxe")
> +def test_net_pxe_get(u_boot_console):
> +    """Test the pxe get command.
> +
> +    A pxe configuration file is downloaded from the TFTP server and interpreted
> +    to boot the images mentioned in pxe configuration file.
> +
> +    The details of the file to download are provided by the boardenv_* file;
> +    see the comment at the beginning of this file.
> +    """
> +
> +    if not net_set_up:
> +        pytest.skip("Network not initialized")
> +
> +    test_net_setup_static(u_boot_console)
> +
> +    f = u_boot_console.config.env.get("env__net_pxe_readable_file", None)
> +    if not f:
> +        pytest.skip("No PXE readable file to read")
> +
> +    addr = f.get("addr", None)
> +    timeout = f.get("timeout", u_boot_console.p.timeout)
> +
> +    pxeuuid = uuid.uuid1()
> +    u_boot_console.run_command(f"setenv pxeuuid {pxeuuid}")
> +    expected_text_uuid = f"Retrieving file: pxelinux.cfg/{pxeuuid}"
> +
> +    ethaddr = u_boot_console.run_command("echo $ethaddr")
> +    ethaddr = ethaddr.replace(':', '-')
> +    expected_text_ethaddr = f"Retrieving file: pxelinux.cfg/01-{ethaddr}"
> +
> +    ip = u_boot_console.run_command("echo $ipaddr")
> +    ip = ip.split('.')
> +    ipaddr_file = "".join(['%02x' % int(x) for x in ip]).upper()
> +    expected_text_ipaddr = f"Retrieving file: pxelinux.cfg/{ipaddr_file}"
> +    expected_text_default = f"Retrieving file: pxelinux.cfg/default"
> +
> +    with u_boot_console.temporary_timeout(timeout):
> +        output = u_boot_console.run_command("pxe get")
> +
> +    assert "TIMEOUT" not in output
> +    assert expected_text_uuid in output
> +    assert expected_text_ethaddr in output
> +    assert expected_text_ipaddr in output
> +
> +    i = 1
> +    for i in range(0, len(ipaddr_file) - 1):
> +        expected_text_ip = f"Retrieving file: pxelinux.cfg/{ipaddr_file[:-i]}"
> +        assert expected_text_ip in output
> +        i += 1
> +
> +    assert expected_text_default in output
> +    assert "Config file 'default.boot' found" in output
> --
> 2.25.1
>
Reviewed-by: Ramon Fried <rfried.dev at gmail.com>