Python code coverage for Lib/test/test_aifc.py

#	count	content
1	n/a	from test.support import findfile, TESTFN, unlink
2	n/a	import unittest
3	n/a	from test import audiotests
4	n/a	from audioop import byteswap
5	n/a	import io
6	n/a	import sys
7	n/a	import struct
8	n/a	import aifc
9	n/a
10	n/a
11	n/a	class AifcTest(audiotests.AudioWriteTests,
12	n/a	audiotests.AudioTestsWithSourceFile):
13	n/a	module = aifc
14	n/a	close_fd = True
15	n/a	test_unseekable_read = None
16	n/a
17	n/a
18	n/a	class AifcPCM8Test(AifcTest, unittest.TestCase):
19	n/a	sndfilename = 'pluck-pcm8.aiff'
20	n/a	sndfilenframes = 3307
21	n/a	nchannels = 2
22	n/a	sampwidth = 1
23	n/a	framerate = 11025
24	n/a	nframes = 48
25	n/a	comptype = b'NONE'
26	n/a	compname = b'not compressed'
27	n/a	frames = bytes.fromhex("""\
28	n/a	02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
29	n/a	EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
30	n/a	11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
31	n/a	490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
32	n/a	""")
33	n/a
34	n/a
35	n/a	class AifcPCM16Test(AifcTest, unittest.TestCase):
36	n/a	sndfilename = 'pluck-pcm16.aiff'
37	n/a	sndfilenframes = 3307
38	n/a	nchannels = 2
39	n/a	sampwidth = 2
40	n/a	framerate = 11025
41	n/a	nframes = 48
42	n/a	comptype = b'NONE'
43	n/a	compname = b'not compressed'
44	n/a	frames = bytes.fromhex("""\
45	n/a	022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \
46	n/a	B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \
47	n/a	5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \
48	n/a	117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \
49	n/a	EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \
50	n/a	E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \
51	n/a	""")
52	n/a
53	n/a
54	n/a	class AifcPCM24Test(AifcTest, unittest.TestCase):
55	n/a	sndfilename = 'pluck-pcm24.aiff'
56	n/a	sndfilenframes = 3307
57	n/a	nchannels = 2
58	n/a	sampwidth = 3
59	n/a	framerate = 11025
60	n/a	nframes = 48
61	n/a	comptype = b'NONE'
62	n/a	compname = b'not compressed'
63	n/a	frames = bytes.fromhex("""\
64	n/a	022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
65	n/a	CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
66	n/a	B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
67	n/a	EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
68	n/a	5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
69	n/a	978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
70	n/a	117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
71	n/a	CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
72	n/a	EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
73	n/a	499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
74	n/a	E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
75	n/a	51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
76	n/a	""")
77	n/a
78	n/a
79	n/a	class AifcPCM32Test(AifcTest, unittest.TestCase):
80	n/a	sndfilename = 'pluck-pcm32.aiff'
81	n/a	sndfilenframes = 3307
82	n/a	nchannels = 2
83	n/a	sampwidth = 4
84	n/a	framerate = 11025
85	n/a	nframes = 48
86	n/a	comptype = b'NONE'
87	n/a	compname = b'not compressed'
88	n/a	frames = bytes.fromhex("""\
89	n/a	022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
90	n/a	CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
91	n/a	B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
92	n/a	EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
93	n/a	5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
94	n/a	978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
95	n/a	117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
96	n/a	CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
97	n/a	EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
98	n/a	499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
99	n/a	E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
100	n/a	51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
101	n/a	""")
102	n/a
103	n/a
104	n/a	class AifcULAWTest(AifcTest, unittest.TestCase):
105	n/a	sndfilename = 'pluck-ulaw.aifc'
106	n/a	sndfilenframes = 3307
107	n/a	nchannels = 2
108	n/a	sampwidth = 2
109	n/a	framerate = 11025
110	n/a	nframes = 48
111	n/a	comptype = b'ulaw'
112	n/a	compname = b''
113	n/a	frames = bytes.fromhex("""\
114	n/a	022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
115	n/a	B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
116	n/a	557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
117	n/a	11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \
118	n/a	EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
119	n/a	E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
120	n/a	""")
121	n/a	if sys.byteorder != 'big':
122	n/a	frames = byteswap(frames, 2)
123	n/a
124	n/a
125	n/a	class AifcALAWTest(AifcTest, unittest.TestCase):
126	n/a	sndfilename = 'pluck-alaw.aifc'
127	n/a	sndfilenframes = 3307
128	n/a	nchannels = 2
129	n/a	sampwidth = 2
130	n/a	framerate = 11025
131	n/a	nframes = 48
132	n/a	comptype = b'alaw'
133	n/a	compname = b''
134	n/a	frames = bytes.fromhex("""\
135	n/a	0230FFE8 4A0000F8 310004E0 82000840 CB0006A0 4A0003F0 BE0001A8 0370FE78 \
136	n/a	BA00FA20 B600F340 2900EB80 1A80E680 ED80E480 C700E280 0E40E080 EF80E080 \
137	n/a	5600E280 FB20E880 1380EF80 D900F740 9600FB60 F5C0FC10 0840FBA0 DF00FB20 \
138	n/a	1180FA20 3F00FB60 BE00FCB0 6600FF58 CF000420 42000940 C1000EC0 52001280 \
139	n/a	EE801780 82001680 7E001480 82001280 4A000EC0 52000DC0 EF800F40 CF000FC0 \
140	n/a	E4800CC0 62000A40 08C00A40 2B000B40 52000E40 8A001180 B6000EC0 46000A40 \
141	n/a	""")
142	n/a	if sys.byteorder != 'big':
143	n/a	frames = byteswap(frames, 2)
144	n/a
145	n/a
146	n/a	class AifcMiscTest(audiotests.AudioTests, unittest.TestCase):
147	n/a	def test_skipunknown(self):
148	n/a	#Issue 2245
149	n/a	#This file contains chunk types aifc doesn't recognize.
150	n/a	self.f = aifc.open(findfile('Sine-1000Hz-300ms.aif'))
151	n/a
152	n/a	def test_params_added(self):
153	n/a	f = self.f = aifc.open(TESTFN, 'wb')
154	n/a	f.aiff()
155	n/a	f.setparams((1, 1, 1, 1, b'NONE', b''))
156	n/a	f.close()
157	n/a
158	n/a	f = self.f = aifc.open(TESTFN, 'rb')
159	n/a	params = f.getparams()
160	n/a	self.assertEqual(params.nchannels, f.getnchannels())
161	n/a	self.assertEqual(params.sampwidth, f.getsampwidth())
162	n/a	self.assertEqual(params.framerate, f.getframerate())
163	n/a	self.assertEqual(params.nframes, f.getnframes())
164	n/a	self.assertEqual(params.comptype, f.getcomptype())
165	n/a	self.assertEqual(params.compname, f.getcompname())
166	n/a
167	n/a	def test_write_header_comptype_sampwidth(self):
168	n/a	for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
169	n/a	fout = aifc.open(io.BytesIO(), 'wb')
170	n/a	fout.setnchannels(1)
171	n/a	fout.setframerate(1)
172	n/a	fout.setcomptype(comptype, b'')
173	n/a	fout.close()
174	n/a	self.assertEqual(fout.getsampwidth(), 2)
175	n/a	fout.initfp(None)
176	n/a
177	n/a	def test_write_markers_values(self):
178	n/a	fout = aifc.open(io.BytesIO(), 'wb')
179	n/a	self.assertEqual(fout.getmarkers(), None)
180	n/a	fout.setmark(1, 0, b'foo1')
181	n/a	fout.setmark(1, 1, b'foo2')
182	n/a	self.assertEqual(fout.getmark(1), (1, 1, b'foo2'))
183	n/a	self.assertEqual(fout.getmarkers(), [(1, 1, b'foo2')])
184	n/a	fout.initfp(None)
185	n/a
186	n/a	def test_read_markers(self):
187	n/a	fout = self.fout = aifc.open(TESTFN, 'wb')
188	n/a	fout.aiff()
189	n/a	fout.setparams((1, 1, 1, 1, b'NONE', b''))
190	n/a	fout.setmark(1, 0, b'odd')
191	n/a	fout.setmark(2, 0, b'even')
192	n/a	fout.writeframes(b'\x00')
193	n/a	fout.close()
194	n/a	f = self.f = aifc.open(TESTFN, 'rb')
195	n/a	self.assertEqual(f.getmarkers(), [(1, 0, b'odd'), (2, 0, b'even')])
196	n/a	self.assertEqual(f.getmark(1), (1, 0, b'odd'))
197	n/a	self.assertEqual(f.getmark(2), (2, 0, b'even'))
198	n/a	self.assertRaises(aifc.Error, f.getmark, 3)
199	n/a
200	n/a
201	n/a	class AIFCLowLevelTest(unittest.TestCase):
202	n/a
203	n/a	def test_read_written(self):
204	n/a	def read_written(self, what):
205	n/a	f = io.BytesIO()
206	n/a	getattr(aifc, '_write_' + what)(f, x)
207	n/a	f.seek(0)
208	n/a	return getattr(aifc, '_read_' + what)(f)
209	n/a	for x in (-1, 0, 0.1, 1):
210	n/a	self.assertEqual(read_written(x, 'float'), x)
211	n/a	for x in (float('NaN'), float('Inf')):
212	n/a	self.assertEqual(read_written(x, 'float'), aifc._HUGE_VAL)
213	n/a	for x in (b'', b'foo', b'a' * 255):
214	n/a	self.assertEqual(read_written(x, 'string'), x)
215	n/a	for x in (-0x7FFFFFFF, -1, 0, 1, 0x7FFFFFFF):
216	n/a	self.assertEqual(read_written(x, 'long'), x)
217	n/a	for x in (0, 1, 0xFFFFFFFF):
218	n/a	self.assertEqual(read_written(x, 'ulong'), x)
219	n/a	for x in (-0x7FFF, -1, 0, 1, 0x7FFF):
220	n/a	self.assertEqual(read_written(x, 'short'), x)
221	n/a	for x in (0, 1, 0xFFFF):
222	n/a	self.assertEqual(read_written(x, 'ushort'), x)
223	n/a
224	n/a	def test_read_raises(self):
225	n/a	f = io.BytesIO(b'\x00')
226	n/a	self.assertRaises(EOFError, aifc._read_ulong, f)
227	n/a	self.assertRaises(EOFError, aifc._read_long, f)
228	n/a	self.assertRaises(EOFError, aifc._read_ushort, f)
229	n/a	self.assertRaises(EOFError, aifc._read_short, f)
230	n/a
231	n/a	def test_write_long_string_raises(self):
232	n/a	f = io.BytesIO()
233	n/a	with self.assertRaises(ValueError):
234	n/a	aifc._write_string(f, b'too long' * 255)
235	n/a
236	n/a	def test_wrong_open_mode(self):
237	n/a	with self.assertRaises(aifc.Error):
238	n/a	aifc.open(TESTFN, 'wrong_mode')
239	n/a
240	n/a	def test_read_wrong_form(self):
241	n/a	b1 = io.BytesIO(b'WRNG' + struct.pack('>L', 0))
242	n/a	b2 = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'WRNG')
243	n/a	self.assertRaises(aifc.Error, aifc.open, b1)
244	n/a	self.assertRaises(aifc.Error, aifc.open, b2)
245	n/a
246	n/a	def test_read_no_comm_chunk(self):
247	n/a	b = io.BytesIO(b'FORM' + struct.pack('>L', 4) + b'AIFF')
248	n/a	self.assertRaises(aifc.Error, aifc.open, b)
249	n/a
250	n/a	def test_read_wrong_compression_type(self):
251	n/a	b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
252	n/a	b += b'COMM' + struct.pack('>LhlhhLL', 23, 0, 0, 0, 0, 0, 0)
253	n/a	b += b'WRNG' + struct.pack('B', 0)
254	n/a	self.assertRaises(aifc.Error, aifc.open, io.BytesIO(b))
255	n/a
256	n/a	def test_read_wrong_marks(self):
257	n/a	b = b'FORM' + struct.pack('>L', 4) + b'AIFF'
258	n/a	b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
259	n/a	b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
260	n/a	b += b'MARK' + struct.pack('>LhB', 3, 1, 1)
261	n/a	with self.assertWarns(UserWarning) as cm:
262	n/a	f = aifc.open(io.BytesIO(b))
263	n/a	self.assertEqual(str(cm.warning), 'Warning: MARK chunk contains '
264	n/a	'only 0 markers instead of 1')
265	n/a	self.assertEqual(f.getmarkers(), None)
266	n/a
267	n/a	def test_read_comm_kludge_compname_even(self):
268	n/a	b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
269	n/a	b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
270	n/a	b += b'NONE' + struct.pack('B', 4) + b'even' + b'\x00'
271	n/a	b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
272	n/a	with self.assertWarns(UserWarning) as cm:
273	n/a	f = aifc.open(io.BytesIO(b))
274	n/a	self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
275	n/a	self.assertEqual(f.getcompname(), b'even')
276	n/a
277	n/a	def test_read_comm_kludge_compname_odd(self):
278	n/a	b = b'FORM' + struct.pack('>L', 4) + b'AIFC'
279	n/a	b += b'COMM' + struct.pack('>LhlhhLL', 18, 0, 0, 0, 0, 0, 0)
280	n/a	b += b'NONE' + struct.pack('B', 3) + b'odd'
281	n/a	b += b'SSND' + struct.pack('>L', 8) + b'\x00' * 8
282	n/a	with self.assertWarns(UserWarning) as cm:
283	n/a	f = aifc.open(io.BytesIO(b))
284	n/a	self.assertEqual(str(cm.warning), 'Warning: bad COMM chunk size')
285	n/a	self.assertEqual(f.getcompname(), b'odd')
286	n/a
287	n/a	def test_write_params_raises(self):
288	n/a	fout = aifc.open(io.BytesIO(), 'wb')
289	n/a	wrong_params = (0, 0, 0, 0, b'WRNG', '')
290	n/a	self.assertRaises(aifc.Error, fout.setparams, wrong_params)
291	n/a	self.assertRaises(aifc.Error, fout.getparams)
292	n/a	self.assertRaises(aifc.Error, fout.setnchannels, 0)
293	n/a	self.assertRaises(aifc.Error, fout.getnchannels)
294	n/a	self.assertRaises(aifc.Error, fout.setsampwidth, 0)
295	n/a	self.assertRaises(aifc.Error, fout.getsampwidth)
296	n/a	self.assertRaises(aifc.Error, fout.setframerate, 0)
297	n/a	self.assertRaises(aifc.Error, fout.getframerate)
298	n/a	self.assertRaises(aifc.Error, fout.setcomptype, b'WRNG', '')
299	n/a	fout.aiff()
300	n/a	fout.setnchannels(1)
301	n/a	fout.setsampwidth(1)
302	n/a	fout.setframerate(1)
303	n/a	fout.setnframes(1)
304	n/a	fout.writeframes(b'\x00')
305	n/a	self.assertRaises(aifc.Error, fout.setparams, (1, 1, 1, 1, 1, 1))
306	n/a	self.assertRaises(aifc.Error, fout.setnchannels, 1)
307	n/a	self.assertRaises(aifc.Error, fout.setsampwidth, 1)
308	n/a	self.assertRaises(aifc.Error, fout.setframerate, 1)
309	n/a	self.assertRaises(aifc.Error, fout.setnframes, 1)
310	n/a	self.assertRaises(aifc.Error, fout.setcomptype, b'NONE', '')
311	n/a	self.assertRaises(aifc.Error, fout.aiff)
312	n/a	self.assertRaises(aifc.Error, fout.aifc)
313	n/a
314	n/a	def test_write_params_singles(self):
315	n/a	fout = aifc.open(io.BytesIO(), 'wb')
316	n/a	fout.aifc()
317	n/a	fout.setnchannels(1)
318	n/a	fout.setsampwidth(2)
319	n/a	fout.setframerate(3)
320	n/a	fout.setnframes(4)
321	n/a	fout.setcomptype(b'NONE', b'name')
322	n/a	self.assertEqual(fout.getnchannels(), 1)
323	n/a	self.assertEqual(fout.getsampwidth(), 2)
324	n/a	self.assertEqual(fout.getframerate(), 3)
325	n/a	self.assertEqual(fout.getnframes(), 0)
326	n/a	self.assertEqual(fout.tell(), 0)
327	n/a	self.assertEqual(fout.getcomptype(), b'NONE')
328	n/a	self.assertEqual(fout.getcompname(), b'name')
329	n/a	fout.writeframes(b'\x00' * 4 * fout.getsampwidth() * fout.getnchannels())
330	n/a	self.assertEqual(fout.getnframes(), 4)
331	n/a	self.assertEqual(fout.tell(), 4)
332	n/a
333	n/a	def test_write_params_bunch(self):
334	n/a	fout = aifc.open(io.BytesIO(), 'wb')
335	n/a	fout.aifc()
336	n/a	p = (1, 2, 3, 4, b'NONE', b'name')
337	n/a	fout.setparams(p)
338	n/a	self.assertEqual(fout.getparams(), p)
339	n/a	fout.initfp(None)
340	n/a
341	n/a	def test_write_header_raises(self):
342	n/a	fout = aifc.open(io.BytesIO(), 'wb')
343	n/a	self.assertRaises(aifc.Error, fout.close)
344	n/a	fout = aifc.open(io.BytesIO(), 'wb')
345	n/a	fout.setnchannels(1)
346	n/a	self.assertRaises(aifc.Error, fout.close)
347	n/a	fout = aifc.open(io.BytesIO(), 'wb')
348	n/a	fout.setnchannels(1)
349	n/a	fout.setsampwidth(1)
350	n/a	self.assertRaises(aifc.Error, fout.close)
351	n/a
352	n/a	def test_write_header_comptype_raises(self):
353	n/a	for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
354	n/a	fout = aifc.open(io.BytesIO(), 'wb')
355	n/a	fout.setsampwidth(1)
356	n/a	fout.setcomptype(comptype, b'')
357	n/a	self.assertRaises(aifc.Error, fout.close)
358	n/a	fout.initfp(None)
359	n/a
360	n/a	def test_write_markers_raises(self):
361	n/a	fout = aifc.open(io.BytesIO(), 'wb')
362	n/a	self.assertRaises(aifc.Error, fout.setmark, 0, 0, b'')
363	n/a	self.assertRaises(aifc.Error, fout.setmark, 1, -1, b'')
364	n/a	self.assertRaises(aifc.Error, fout.setmark, 1, 0, None)
365	n/a	self.assertRaises(aifc.Error, fout.getmark, 1)
366	n/a	fout.initfp(None)
367	n/a
368	n/a	def test_write_aiff_by_extension(self):
369	n/a	sampwidth = 2
370	n/a	filename = TESTFN + '.aiff'
371	n/a	fout = self.fout = aifc.open(filename, 'wb')
372	n/a	self.addCleanup(unlink, filename)
373	n/a	fout.setparams((1, sampwidth, 1, 1, b'ULAW', b''))
374	n/a	frames = b'\x00' * fout.getnchannels() * sampwidth
375	n/a	fout.writeframes(frames)
376	n/a	fout.close()
377	n/a	f = self.f = aifc.open(filename, 'rb')
378	n/a	self.assertEqual(f.getcomptype(), b'NONE')
379	n/a	f.close()
380	n/a
381	n/a
382	n/a	if __name__ == "__main__":
383	n/a	unittest.main()