mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 10:04:33 +02:00
149 lines
4.2 KiB
Python
149 lines
4.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Test small multiple-burst messages over a high quality simulated audio channel.
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Legacy test for sending / receiving frames through the codec2 modem
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and back through on the other station. Data injection initiates directly into
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codec2 API. Tests all three codec2 data frames simultaneously.
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Can be invoked from CMake, pytest, coverage or directly.
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Uses util_multimode_tx.py and util_multimode_tx in separate processeses to perform
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the audio tests.
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@author: N2KIQ
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"""
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# pylint: disable=global-statement, invalid-name, unused-import
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import contextlib
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import multiprocessing
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import os
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import subprocess
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import sys
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import time
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import pytest
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BURSTS = 1
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FRAMESPERBURST = 1
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TESTFRAMES = 3
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with contextlib.suppress(KeyError):
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BURSTS = int(os.environ["BURSTS"])
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with contextlib.suppress(KeyError):
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FRAMESPERBURST = int(os.environ["FRAMESPERBURST"])
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with contextlib.suppress(KeyError):
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TESTFRAMES = int(os.environ["TESTFRAMES"])
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# For some reason, sometimes, this test requires the current directory to be `test`.
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# Try to adapt dynamically. I still want to figure out why but as a workaround,
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# I'm not completely dissatisfied.
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if os.path.exists("test"):
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os.chdir("test")
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def t_HighSNR_P_P_Multi(bursts: int, frames_per_burst: int):
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"""
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Test a high signal-to-noise ratio path with DATAC0, DATAC1 and DATAC3.
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:param bursts: Number of bursts
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:type bursts: int
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:param frames_per_burst: Number of frames transmitted per burst
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:type frames_per_burst: int
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"""
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# Facilitate running from main directory as well as inside test/
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tx_side = "util_multimode_tx.py"
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rx_side = "util_multimode_rx.py"
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if os.path.exists("test") and os.path.exists(os.path.join("test", tx_side)):
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tx_side = os.path.join("test", tx_side)
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rx_side = os.path.join("test", rx_side)
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os.environ["PYTHONPATH"] += ":."
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print(f"tx_side={tx_side} / rx_side={rx_side}")
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with subprocess.Popen(
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args=[
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"python3",
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tx_side,
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"--delay",
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"500",
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"--framesperburst",
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str(frames_per_burst),
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"--bursts",
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str(bursts),
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],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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) as transmit:
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with subprocess.Popen(
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args=[
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"python3",
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rx_side,
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"--framesperburst",
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str(frames_per_burst),
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"--bursts",
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str(bursts),
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"--timeout",
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"20",
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],
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stdin=transmit.stdout,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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) as receive:
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assert receive.stdout
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lastline = "".join(
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[
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str(line, "UTF-8")
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for line in receive.stdout.readlines()
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if "DATAC" in str(line, "UTF-8")
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]
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)
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assert f"DATAC0: {bursts}/{frames_per_burst * bursts}" in lastline
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assert f"DATAC1: {bursts}/{frames_per_burst * bursts}" in lastline
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assert f"DATAC3: {bursts}/{frames_per_burst * bursts}" in lastline
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print(lastline)
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# @pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
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# @pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
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@pytest.mark.parametrize("bursts", [BURSTS])
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@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST])
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def test_HighSNR_P_P_multi(bursts: int, frames_per_burst: int):
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proc = multiprocessing.Process(
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target=t_HighSNR_P_P_Multi,
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args=[bursts, frames_per_burst],
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daemon=True,
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)
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proc.start()
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# Set timeout
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timeout = time.time() + 5
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while time.time() < timeout:
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time.sleep(0.1)
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if proc.is_alive():
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proc.terminate()
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assert 0, "Timeout waiting for test to complete."
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proc.join()
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proc.terminate()
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assert proc.exitcode == 0
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# proc.close() # Python 3.7+ only
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proc.terminate()
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proc.join()
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if __name__ == "__main__":
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# Run pytest with the current script as the filename.
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ecode = pytest.main(["-v", "-s", sys.argv[0]])
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if ecode == 0:
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print("errors: 0")
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else:
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print(ecode)
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