On Thu, Nov 16, 2023 at 2:05 PM Juraj Linkeš <juraj.linkes@pantheon.tech>
wrote:

> On Mon, Nov 13, 2023 at 9:28 PM <jspewock@iol.unh.edu> wrote:
> >
> > From: Jeremy Spewock <jspewock@iol.unh.edu>
> >
> > Added a method within the testpmd interactive shell that polls the
> > status of ports and verifies that the link status on a given port is
> > "up." Polling will continue until either the link comes up, or the
> > timeout is reached.
> >
> > Signed-off-by: Jeremy Spewock <jspewock@iol.unh.edu>
> > ---
> >  .../remote_session/remote/testpmd_shell.py    | 29 +++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/dts/framework/remote_session/remote/testpmd_shell.py
> b/dts/framework/remote_session/remote/testpmd_shell.py
> > index 1455b5a199..3ea16c7ab3 100644
> > --- a/dts/framework/remote_session/remote/testpmd_shell.py
> > +++ b/dts/framework/remote_session/remote/testpmd_shell.py
> > @@ -1,9 +1,12 @@
> >  # SPDX-License-Identifier: BSD-3-Clause
> >  # Copyright(c) 2023 University of New Hampshire
> >
> > +import time
> >  from pathlib import PurePath
> >  from typing import Callable
> >
> > +from framework.settings import SETTINGS
> > +
> >  from .interactive_shell import InteractiveShell
> >
> >
> > @@ -47,3 +50,29 @@ def get_devices(self) -> list[TestPmdDevice]:
> >              if "device name:" in line.lower():
> >                  dev_list.append(TestPmdDevice(line))
> >          return dev_list
> > +
> > +    def wait_link_status_up(self, port_id: int,
> timeout=SETTINGS.timeout) -> bool:
> > +        """Wait until the link status on the given port is "up".
> > +
> > +        Arguments:
> > +            port_id: Port to check the link status on.
> > +            timeout: time to wait for the link to come up.
> > +
> > +        Returns:
> > +            If the link came up in time or not.
> > +        """
>
> Again with the docstrings - the new thing here is the usage of
> SETTINGS. Here's an example:
>
> The YAML test run configuration file is specified in the
> :option:`--config-file` command line
> argument or the :envvar:`DTS_CFG_FILE` environment variable.
>
> The rule is to first mention the cmdline arg, then the env var.
>
>
Good catch, I'll change this.


> > +        time_to_stop = time.time() + timeout
> > +        while time.time() < time_to_stop:
> > +            port_info = self.send_command(f"show port info {port_id}")
> > +            if "Link status: up" in port_info:
> > +                break
> > +            time.sleep(0.5)
> > +        else:
> > +            self._logger.error(
> > +                f"The link for port {port_id} did not come up in the
> given timeout."
> > +            )
> > +        return "Link status: up" in port_info
> > +
> > +    def close(self) -> None:
> > +        self.send_command("exit", "")
> > +        return super().close()
> > --
> > 2.42.0
> >
>