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"""PyAudio: ensure deprecated API usage raises warnings."""
import os
import unittest
import sys
import pyaudio
import alsa_utils
# To skip tests requiring hardware, set this environment variable:
SKIP_HW_TESTS = 'PYAUDIO_SKIP_HW_TESTS' in os.environ
setUpModule = alsa_utils.disable_error_handler_output
tearDownModule = alsa_utils.disable_error_handler_output
class DeprecationTests(unittest.TestCase):
@unittest.skipIf('darwin' not in sys.platform, 'macOS-only test.')
def test_deprecated_mac_core_stream_info_getters(self):
stream_info = pyaudio.PaMacCoreStreamInfo(
flags=pyaudio.PaMacCoreStreamInfo.paMacCorePlayNice,
channel_map=(1, 0))
with self.assertWarns(DeprecationWarning):
self.assertEqual(stream_info.get_flags(), stream_info.flags)
with self.assertWarns(DeprecationWarning):
self.assertEqual(stream_info.get_channel_map(),
stream_info.channel_map)
with self.assertWarns(DeprecationWarning):
self.assertEqual(stream_info._get_host_api_stream_object(),
stream_info)
@unittest.skipIf(SKIP_HW_TESTS, 'Hardware device required.')
def test_deprecated_stream(self):
p = pyaudio.PyAudio()
# Do not directly instantiate or reference pyaudio.Stream.
# Use pyaudio.PyAudio.open instead, and if necessary, reference
# pyaudio.PyAudio.Stream.
with self.assertWarns(DeprecationWarning):
stream = pyaudio.Stream( # Don't do this!
p,
format=p.get_format_from_width(2),
channels=2,
rate=44100,
output=True)
stream.close()
p.terminate()
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