FreeDATA/test/test_pa.py
Paul Kronenwetter 5c6cee1c21
Enhance tests (#185)
* Initial attempt to create unit tests for DATA class (tnc).

* Completed initial set of tests.

* Adding pytest to install packages.

* Corrects issue #173 fix

I didn't look carefully enough at `helpers.check_callsign` to see that it returns a list. The first element of the list is `True`/`False`.

* Making check_callsign evaluation more consistent.

* Update .gitignore

this is more a test commit to see if GitHub Client for MacOS is working,

* mkfifo test prototype

First partially working prototype for testing the full tnc with mkfifo named pipes.

* single tnc test file

moved to a single file for running tnc tests

* fixed typo

* Added parameters to tests.

Make other minor tweaks and documentation.

* Clean up two existing tests.

Adapted both tests to pytest and maintained
compatibility with existing ctest method.
Tweaked CMakeLists.txt .

* Adding pure python  highsnr_stdio_P_P_multi test.

Intended to replace highsnr_stdio_P_P_multi which uses POSIX shell.

* Adding pure python  highsnr_stdio_P_P_datac0 test.

Intended to replace highsnr_stdio_P_P_datac0 which uses POSIX shell.

* Parameterize recent tests.

Renamed datac0 to datacx after including all data codecs in test.

* Parameterize mode as well.

Add ability to run tests from main directory as well as within test/.

* Add list of tests and brief descriptions.

* Add more native python tests conversions.

* Update README with new tests.

* Tweak README again.

* Rename test to be findable by pytest.

* Rename test for ctest.

* Update correct file this time.

* Minor test tweaks.

* Add modem test proof-of-concept.

* Adjustment to ARQ short test.

* Various refactorings.

Type hints, trailing backslash, range usage, etc.

* Ignore unknown arguments in argparse.

* Minor cleanups.

* Update test/README.md.

* Update test_pa to quiet pylint.

* Give up trying to suppress structlog output.

* Correct module comments.

* Remove excess trailing spaces.

* Remove excess newlines.

* Various refactorings.

Type hints, trailing backslash, range usage, etc.

* mkfifo test prototype

First partially working prototype for testing the full tnc with mkfifo named pipes.

* Update test_tnc and tweak IRS/ISS.

* Correct test_modem to detect failures.

* Trying to be less dependent on env variables.

* Add IRS/ISS tests to ctests

* Pin codec2 revision to v1.0.3.

* Correcting git mistake.

* Pin codec2 revision to master.

This should be a specific release, that implements freedv_set_tuning_range.

Co-authored-by: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
2022-05-21 23:04:17 +00:00

48 lines
1.1 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Throw away test program to help understand the care and feeding of PyAudio
import numpy as np
import pyaudio
CHUNK = 1024
FS48 = 48000
FTEST = 800
AMP = 16000
def test_pa():
# 1. play sine wave out of default sound device
p_audio = pyaudio.PyAudio()
stream = p_audio.open(
format=pyaudio.paInt16,
channels=1,
rate=FS48,
frames_per_buffer=CHUNK,
output=True,
)
with open("out48.raw", mode="wb") as f48:
temp = 0
for _ in range(50):
sine_48k = (
AMP * np.cos(2 * np.pi * np.arange(temp, temp + CHUNK) * FTEST / FS48)
).astype(np.int16)
temp += CHUNK
sine_48k.tofile(f48)
stream.write(sine_48k.tobytes())
sil_48k = np.zeros(CHUNK, dtype=np.int16)
for _ in range(50):
sil_48k.tofile(f48)
stream.write(sil_48k)
stream.stop_stream()
stream.close()
p_audio.terminate()
if __name__ == "__main__":
test_pa()