1import unittest
2from test import audiotests
3import io
4import struct
5import sys
6from test.support import warnings_helper
7
8sunau = warnings_helper.import_deprecated("sunau")
9audioop = warnings_helper.import_deprecated("audioop")
10
11
12class SunauTest(audiotests.AudioWriteTests,
13                audiotests.AudioTestsWithSourceFile):
14    module = sunau
15
16
17class SunauPCM8Test(SunauTest, unittest.TestCase):
18    sndfilename = 'pluck-pcm8.au'
19    sndfilenframes = 3307
20    nchannels = 2
21    sampwidth = 1
22    framerate = 11025
23    nframes = 48
24    comptype = 'NONE'
25    compname = 'not compressed'
26    frames = bytes.fromhex("""\
27      02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
28      EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
29      11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
30      490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
31      """)
32
33
34class SunauPCM16Test(SunauTest, unittest.TestCase):
35    sndfilename = 'pluck-pcm16.au'
36    sndfilenframes = 3307
37    nchannels = 2
38    sampwidth = 2
39    framerate = 11025
40    nframes = 48
41    comptype = 'NONE'
42    compname = 'not compressed'
43    frames = bytes.fromhex("""\
44      022EFFEA 4B5C00F9 311404EF 80DB0844 CBE006B0 48AB03F3 BFE601B5 0367FE80 \
45      B853FA42 B4AFF351 2997EBCD 1A5AE6DC EDF9E492 C627E277 0E06E0B7 EF29E029 \
46      5759E271 FB34E83F 1377EF85 D82CF727 978EFB79 F5F7FC12 0864FB9E DF30FB40 \
47      1183FA30 3EEAFB59 BC78FCB4 66D5FF60 CF130415 431A097D C1BA0EC7 512312A0 \
48      EEE11754 82071666 7FFE1448 80001298 49990EB7 52B40DC1 EFAD0F65 CE3A0FBE \
49      E4B70CE6 63490A57 08CC0A1D 2BBC0B09 51480E46 8BCB113C B6F60EE9 44150A5A \
50      """)
51
52
53class SunauPCM24Test(SunauTest, unittest.TestCase):
54    sndfilename = 'pluck-pcm24.au'
55    sndfilenframes = 3307
56    nchannels = 2
57    sampwidth = 3
58    framerate = 11025
59    nframes = 48
60    comptype = 'NONE'
61    compname = 'not compressed'
62    frames = bytes.fromhex("""\
63      022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
64      CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
65      B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
66      EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
67      5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
68      978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
69      117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
70      CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
71      EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
72      499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
73      E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
74      51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
75      """)
76
77
78class SunauPCM32Test(SunauTest, unittest.TestCase):
79    sndfilename = 'pluck-pcm32.au'
80    sndfilenframes = 3307
81    nchannels = 2
82    sampwidth = 4
83    framerate = 11025
84    nframes = 48
85    comptype = 'NONE'
86    compname = 'not compressed'
87    frames = bytes.fromhex("""\
88      022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
89      CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
90      B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
91      EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
92      5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
93      978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
94      117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
95      CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
96      EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
97      499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
98      E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
99      51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
100      """)
101
102
103class SunauULAWTest(SunauTest, unittest.TestCase):
104    sndfilename = 'pluck-ulaw.au'
105    sndfilenframes = 3307
106    nchannels = 2
107    sampwidth = 2
108    framerate = 11025
109    nframes = 48
110    comptype = 'ULAW'
111    compname = 'CCITT G.711 u-law'
112    frames = bytes.fromhex("""\
113      022CFFE8 497C00F4 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
114      B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
115      557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
116      11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C09BC C1840EBC 517C12FC \
117      EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
118      E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
119      """)
120    if sys.byteorder != 'big':
121        frames = audioop.byteswap(frames, 2)
122
123
124class SunauLowLevelTest(unittest.TestCase):
125
126    def test_read_bad_magic_number(self):
127        b = b'SPA'
128        with self.assertRaises(EOFError):
129            sunau.open(io.BytesIO(b))
130        b = b'SPAM'
131        with self.assertRaisesRegex(sunau.Error, 'bad magic number'):
132            sunau.open(io.BytesIO(b))
133
134    def test_read_too_small_header(self):
135        b = struct.pack('>LLLLL', sunau.AUDIO_FILE_MAGIC, 20, 0,
136                        sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025)
137        with self.assertRaisesRegex(sunau.Error, 'header size too small'):
138            sunau.open(io.BytesIO(b))
139
140    def test_read_too_large_header(self):
141        b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 124, 0,
142                        sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025, 1)
143        b += b'\0' * 100
144        with self.assertRaisesRegex(sunau.Error, 'header size ridiculously large'):
145            sunau.open(io.BytesIO(b))
146
147    def test_read_wrong_encoding(self):
148        b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 24, 0, 0, 11025, 1)
149        with self.assertRaisesRegex(sunau.Error, r'encoding not \(yet\) supported'):
150            sunau.open(io.BytesIO(b))
151
152    def test_read_wrong_number_of_channels(self):
153        b = struct.pack('>LLLLLL', sunau.AUDIO_FILE_MAGIC, 24, 0,
154                        sunau.AUDIO_FILE_ENCODING_LINEAR_8, 11025, 0)
155        with self.assertRaisesRegex(sunau.Error, 'bad # of channels'):
156            sunau.open(io.BytesIO(b))
157
158
159if __name__ == "__main__":
160    unittest.main()
161