uhd/host/tests/devtest/tx_bursts_test.py

#!/usr/bin/env python3
#
# Copyright 2015 Ettus Research LLC
# Copyright 2018 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
""" Run the test for tx_bursts. """

import re

from uhd_test_base import uhd_example_test_case


class UhdTxBurstsTest(uhd_example_test_case):
    """Run tx_bursts and check output."""

    tests = {
        "default": {
            "nsamps": 10000,
            "rate": 5e6,
            "channels": "0",
        },
    }

    def setup_example(self):
        """Set args."""
        self.test_params = UhdTxBurstsTest.tests

    def run_test(self, test_name, test_args):
        """Run the app and scrape for the failure messages."""
        self.log.info(
            "Running test {name}, Channel = {channel}, Sample Rate = {rate}".format(
                name=test_name,
                channel=test_args.get("channel"),
                rate=test_args.get("rate"),
            )
        )
        # Run example:
        args = [
            self.create_addr_args_str(),
            "--nsamps",
            str(test_args["nsamps"]),
            "--channels",
            str(test_args["channels"]),
            "--rate",
            str(test_args.get("rate", 1e6)),
        ]
        if "subdev" in test_args:
            args.append("--subdev")
            args.append(test_args["subdev"])
        (app, run_results) = self.run_example("tx_bursts", args)
        # Evaluate pass/fail:
        run_results["passed"] = all(
            [
                app.returncode == 0,
            ]
        )
        run_results["async_burst_ack_found"] = re.search("success", app.stdout) is not None
        self.report_example_results(test_name, run_results)
        return run_results