1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
"""PyAudio Host API and Device API tests."""
import os
import unittest
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 HostDeviceApiTests(unittest.TestCase):
def setUp(self):
self.p = pyaudio.PyAudio()
def tearDown(self):
self.p.terminate()
@unittest.skipIf(SKIP_HW_TESTS, 'Hardware device required.')
def test_host_api(self):
"""Host API tests"""
self.assertTrue(self.p.get_host_api_count() > 0)
default_info = self.p.get_default_host_api_info()
default_index = default_info['index']
default_type = default_info['type']
self.assertDictEqual(
default_info,
self.p.get_host_api_info_by_index(default_index))
self.assertDictEqual(
default_info,
self.p.get_host_api_info_by_type(default_type))
with self.assertRaises(TypeError):
self.p.get_host_api_info_by_type("not an integer")
with self.assertRaises(IOError):
self.p.get_host_api_info_by_type(-2)
with self.assertRaises(TypeError):
self.p.get_host_api_info_by_index("not an integer")
with self.assertRaises(IOError):
self.p.get_host_api_info_by_index(-2)
@unittest.skipIf(SKIP_HW_TESTS, 'Hardware device required.')
def test_device_api(self):
"""Device API tests"""
self.assertTrue(self.p.get_device_count() > 0)
default_input = self.p.get_default_input_device_info()
default_output = self.p.get_default_output_device_info()
self.assertDictEqual(
default_input,
self.p.get_device_info_by_index(default_input['index']))
self.assertDictEqual(
default_output,
self.p.get_device_info_by_index(default_output['index']))
with self.assertRaises(TypeError):
self.p.get_device_info_by_index("not an integer")
with self.assertRaises(IOError):
self.p.get_device_info_by_index(-2)
@unittest.skipIf(SKIP_HW_TESTS, 'Hardware device required.')
def test_format_supported(self):
with self.assertRaises(ValueError):
# Need to specify input_device or output_device
self.p.is_format_supported(44100)
with self.assertRaises(ValueError):
self.p.is_format_supported(44100, input_device=0,
input_channels=-2,
input_format=pyaudio.paInt16)
|
