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"""PyAudio misc tests."""
import unittest
import pyaudio
import alsa_utils
setUpModule = alsa_utils.disable_error_handler_output
tearDownModule = alsa_utils.disable_error_handler_output
class MiscTests(unittest.TestCase):
def test_get_sample_size(self):
self.assertEqual(pyaudio.get_sample_size(pyaudio.paFloat32), 4)
self.assertEqual(pyaudio.get_sample_size(pyaudio.paInt32), 4)
self.assertEqual(pyaudio.get_sample_size(pyaudio.paInt24), 3)
self.assertEqual(pyaudio.get_sample_size(pyaudio.paInt16), 2)
self.assertEqual(pyaudio.get_sample_size(pyaudio.paInt8), 1)
self.assertEqual(pyaudio.get_sample_size(pyaudio.paUInt8), 1)
def test_get_format_from_width(self):
self.assertEqual(pyaudio.get_format_from_width(1, unsigned=True),
pyaudio.paUInt8)
self.assertEqual(pyaudio.get_format_from_width(1, unsigned=False),
pyaudio.paInt8)
self.assertEqual(pyaudio.get_format_from_width(2), pyaudio.paInt16)
self.assertEqual(pyaudio.get_format_from_width(3), pyaudio.paInt24)
self.assertEqual(pyaudio.get_format_from_width(4), pyaudio.paFloat32)
with self.assertRaises(ValueError):
pyaudio.get_format_from_width(-1)
with self.assertRaises(ValueError):
pyaudio.get_format_from_width(5)
def test_get_format_from_width_pyaudio(self):
p = pyaudio.PyAudio()
self.assertEqual(p.get_format_from_width(1, unsigned=True),
pyaudio.paUInt8)
self.assertEqual(p.get_format_from_width(1, unsigned=False),
pyaudio.paInt8)
self.assertEqual(p.get_format_from_width(2), pyaudio.paInt16)
self.assertEqual(p.get_format_from_width(3), pyaudio.paInt24)
self.assertEqual(p.get_format_from_width(4), pyaudio.paFloat32)
with self.assertRaises(ValueError):
p.get_format_from_width(-1)
with self.assertRaises(ValueError):
p.get_format_from_width(5)
p.terminate()
def test_get_portaudio_version(self):
self.assertGreater(pyaudio.get_portaudio_version(), 0)
def test_get_portaudio_version_text(self):
self.assertGreater(len(pyaudio.get_portaudio_version_text()), 0)
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