Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 1 | from test.support import findfile, TESTFN, unlink |
| 2 | import unittest |
| 3 | import array |
| 4 | import io |
| 5 | import pickle |
| 6 | import sys |
| 7 | |
| 8 | def byteswap2(data): |
| 9 | a = array.array('h', data) |
| 10 | a.byteswap() |
| 11 | return a.tobytes() |
| 12 | |
| 13 | def byteswap3(data): |
| 14 | ba = bytearray(data) |
| 15 | ba[::3] = data[2::3] |
| 16 | ba[2::3] = data[::3] |
| 17 | return bytes(ba) |
| 18 | |
| 19 | def byteswap4(data): |
| 20 | a = array.array('i', data) |
| 21 | a.byteswap() |
| 22 | return a.tobytes() |
| 23 | |
Serhiy Storchaka | 7714ebb | 2013-11-16 13:04:00 +0200 | [diff] [blame^] | 24 | class UnseekableIO(io.FileIO): |
| 25 | def tell(self): |
| 26 | raise io.UnsupportedOperation |
| 27 | |
| 28 | def seek(self, *args, **kwargs): |
| 29 | raise io.UnsupportedOperation |
| 30 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 31 | |
| 32 | class AudioTests: |
| 33 | close_fd = False |
| 34 | |
| 35 | def setUp(self): |
| 36 | self.f = self.fout = None |
| 37 | |
| 38 | def tearDown(self): |
| 39 | if self.f is not None: |
| 40 | self.f.close() |
| 41 | if self.fout is not None: |
| 42 | self.fout.close() |
| 43 | unlink(TESTFN) |
| 44 | |
| 45 | def check_params(self, f, nchannels, sampwidth, framerate, nframes, |
| 46 | comptype, compname): |
| 47 | self.assertEqual(f.getnchannels(), nchannels) |
| 48 | self.assertEqual(f.getsampwidth(), sampwidth) |
| 49 | self.assertEqual(f.getframerate(), framerate) |
| 50 | self.assertEqual(f.getnframes(), nframes) |
| 51 | self.assertEqual(f.getcomptype(), comptype) |
| 52 | self.assertEqual(f.getcompname(), compname) |
| 53 | |
| 54 | params = f.getparams() |
| 55 | self.assertEqual(params, |
| 56 | (nchannels, sampwidth, framerate, nframes, comptype, compname)) |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 57 | self.assertEqual(params.nchannels, nchannels) |
| 58 | self.assertEqual(params.sampwidth, sampwidth) |
| 59 | self.assertEqual(params.framerate, framerate) |
| 60 | self.assertEqual(params.nframes, nframes) |
| 61 | self.assertEqual(params.comptype, comptype) |
| 62 | self.assertEqual(params.compname, compname) |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 63 | |
| 64 | dump = pickle.dumps(params) |
| 65 | self.assertEqual(pickle.loads(dump), params) |
| 66 | |
| 67 | |
| 68 | class AudioWriteTests(AudioTests): |
| 69 | |
| 70 | def create_file(self, testfile): |
| 71 | f = self.fout = self.module.open(testfile, 'wb') |
| 72 | f.setnchannels(self.nchannels) |
| 73 | f.setsampwidth(self.sampwidth) |
| 74 | f.setframerate(self.framerate) |
| 75 | f.setcomptype(self.comptype, self.compname) |
| 76 | return f |
| 77 | |
| 78 | def check_file(self, testfile, nframes, frames): |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 79 | with self.module.open(testfile, 'rb') as f: |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 80 | self.assertEqual(f.getnchannels(), self.nchannels) |
| 81 | self.assertEqual(f.getsampwidth(), self.sampwidth) |
| 82 | self.assertEqual(f.getframerate(), self.framerate) |
| 83 | self.assertEqual(f.getnframes(), nframes) |
| 84 | self.assertEqual(f.readframes(nframes), frames) |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 85 | |
| 86 | def test_write_params(self): |
| 87 | f = self.create_file(TESTFN) |
| 88 | f.setnframes(self.nframes) |
| 89 | f.writeframes(self.frames) |
| 90 | self.check_params(f, self.nchannels, self.sampwidth, self.framerate, |
| 91 | self.nframes, self.comptype, self.compname) |
| 92 | f.close() |
| 93 | |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 94 | def test_write_context_manager_calls_close(self): |
| 95 | # Close checks for a minimum header and will raise an error |
| 96 | # if it is not set, so this proves that close is called. |
| 97 | with self.assertRaises(self.module.Error): |
| 98 | with self.module.open(TESTFN, 'wb'): |
| 99 | pass |
| 100 | with self.assertRaises(self.module.Error): |
| 101 | with open(TESTFN, 'wb') as testfile: |
| 102 | with self.module.open(testfile): |
| 103 | pass |
| 104 | |
| 105 | def test_context_manager_with_open_file(self): |
| 106 | with open(TESTFN, 'wb') as testfile: |
| 107 | with self.module.open(testfile) as f: |
| 108 | f.setnchannels(self.nchannels) |
| 109 | f.setsampwidth(self.sampwidth) |
| 110 | f.setframerate(self.framerate) |
| 111 | f.setcomptype(self.comptype, self.compname) |
| 112 | self.assertEqual(testfile.closed, self.close_fd) |
| 113 | with open(TESTFN, 'rb') as testfile: |
| 114 | with self.module.open(testfile) as f: |
| 115 | self.assertFalse(f.getfp().closed) |
| 116 | params = f.getparams() |
| 117 | self.assertEqual(params.nchannels, self.nchannels) |
| 118 | self.assertEqual(params.sampwidth, self.sampwidth) |
| 119 | self.assertEqual(params.framerate, self.framerate) |
| 120 | if not self.close_fd: |
| 121 | self.assertIsNone(f.getfp()) |
| 122 | self.assertEqual(testfile.closed, self.close_fd) |
| 123 | |
| 124 | def test_context_manager_with_filename(self): |
| 125 | # If the file doesn't get closed, this test won't fail, but it will |
| 126 | # produce a resource leak warning. |
| 127 | with self.module.open(TESTFN, 'wb') as f: |
| 128 | f.setnchannels(self.nchannels) |
| 129 | f.setsampwidth(self.sampwidth) |
| 130 | f.setframerate(self.framerate) |
| 131 | f.setcomptype(self.comptype, self.compname) |
| 132 | with self.module.open(TESTFN) as f: |
| 133 | self.assertFalse(f.getfp().closed) |
| 134 | params = f.getparams() |
| 135 | self.assertEqual(params.nchannels, self.nchannels) |
| 136 | self.assertEqual(params.sampwidth, self.sampwidth) |
| 137 | self.assertEqual(params.framerate, self.framerate) |
| 138 | if not self.close_fd: |
| 139 | self.assertIsNone(f.getfp()) |
| 140 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 141 | def test_write(self): |
| 142 | f = self.create_file(TESTFN) |
| 143 | f.setnframes(self.nframes) |
| 144 | f.writeframes(self.frames) |
| 145 | f.close() |
| 146 | |
| 147 | self.check_file(TESTFN, self.nframes, self.frames) |
| 148 | |
| 149 | def test_incompleted_write(self): |
| 150 | with open(TESTFN, 'wb') as testfile: |
| 151 | testfile.write(b'ababagalamaga') |
| 152 | f = self.create_file(testfile) |
| 153 | f.setnframes(self.nframes + 1) |
| 154 | f.writeframes(self.frames) |
| 155 | f.close() |
| 156 | |
| 157 | with open(TESTFN, 'rb') as testfile: |
| 158 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 159 | self.check_file(testfile, self.nframes, self.frames) |
| 160 | |
| 161 | def test_multiple_writes(self): |
| 162 | with open(TESTFN, 'wb') as testfile: |
| 163 | testfile.write(b'ababagalamaga') |
| 164 | f = self.create_file(testfile) |
| 165 | f.setnframes(self.nframes) |
| 166 | framesize = self.nchannels * self.sampwidth |
| 167 | f.writeframes(self.frames[:-framesize]) |
| 168 | f.writeframes(self.frames[-framesize:]) |
| 169 | f.close() |
| 170 | |
| 171 | with open(TESTFN, 'rb') as testfile: |
| 172 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 173 | self.check_file(testfile, self.nframes, self.frames) |
| 174 | |
| 175 | def test_overflowed_write(self): |
| 176 | with open(TESTFN, 'wb') as testfile: |
| 177 | testfile.write(b'ababagalamaga') |
| 178 | f = self.create_file(testfile) |
| 179 | f.setnframes(self.nframes - 1) |
| 180 | f.writeframes(self.frames) |
| 181 | f.close() |
| 182 | |
| 183 | with open(TESTFN, 'rb') as testfile: |
| 184 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 185 | self.check_file(testfile, self.nframes, self.frames) |
| 186 | |
Serhiy Storchaka | 7714ebb | 2013-11-16 13:04:00 +0200 | [diff] [blame^] | 187 | def test_unseekable_read(self): |
| 188 | with self.create_file(TESTFN) as f: |
| 189 | f.setnframes(self.nframes) |
| 190 | f.writeframes(self.frames) |
| 191 | |
| 192 | with UnseekableIO(TESTFN, 'rb') as testfile: |
| 193 | self.check_file(testfile, self.nframes, self.frames) |
| 194 | |
| 195 | def test_unseekable_write(self): |
| 196 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 197 | with self.create_file(testfile) as f: |
| 198 | f.setnframes(self.nframes) |
| 199 | f.writeframes(self.frames) |
| 200 | |
| 201 | self.check_file(TESTFN, self.nframes, self.frames) |
| 202 | |
| 203 | def test_unseekable_incompleted_write(self): |
| 204 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 205 | testfile.write(b'ababagalamaga') |
| 206 | f = self.create_file(testfile) |
| 207 | f.setnframes(self.nframes + 1) |
| 208 | try: |
| 209 | f.writeframes(self.frames) |
| 210 | except OSError: |
| 211 | pass |
| 212 | try: |
| 213 | f.close() |
| 214 | except OSError: |
| 215 | pass |
| 216 | |
| 217 | with open(TESTFN, 'rb') as testfile: |
| 218 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 219 | self.check_file(testfile, self.nframes + 1, self.frames) |
| 220 | |
| 221 | def test_unseekable_overflowed_write(self): |
| 222 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 223 | testfile.write(b'ababagalamaga') |
| 224 | f = self.create_file(testfile) |
| 225 | f.setnframes(self.nframes - 1) |
| 226 | try: |
| 227 | f.writeframes(self.frames) |
| 228 | except OSError: |
| 229 | pass |
| 230 | try: |
| 231 | f.close() |
| 232 | except OSError: |
| 233 | pass |
| 234 | |
| 235 | with open(TESTFN, 'rb') as testfile: |
| 236 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 237 | framesize = self.nchannels * self.sampwidth |
| 238 | self.check_file(testfile, self.nframes - 1, self.frames[:-framesize]) |
| 239 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 240 | |
| 241 | class AudioTestsWithSourceFile(AudioTests): |
| 242 | |
| 243 | @classmethod |
| 244 | def setUpClass(cls): |
| 245 | cls.sndfilepath = findfile(cls.sndfilename, subdir='audiodata') |
| 246 | |
| 247 | def test_read_params(self): |
| 248 | f = self.f = self.module.open(self.sndfilepath) |
| 249 | #self.assertEqual(f.getfp().name, self.sndfilepath) |
| 250 | self.check_params(f, self.nchannels, self.sampwidth, self.framerate, |
| 251 | self.sndfilenframes, self.comptype, self.compname) |
| 252 | |
| 253 | def test_close(self): |
Serhiy Storchaka | 85812bc | 2013-10-14 20:09:47 +0300 | [diff] [blame] | 254 | with open(self.sndfilepath, 'rb') as testfile: |
| 255 | f = self.f = self.module.open(testfile) |
| 256 | self.assertFalse(testfile.closed) |
| 257 | f.close() |
| 258 | self.assertEqual(testfile.closed, self.close_fd) |
| 259 | with open(TESTFN, 'wb') as testfile: |
| 260 | fout = self.fout = self.module.open(testfile, 'wb') |
| 261 | self.assertFalse(testfile.closed) |
| 262 | with self.assertRaises(self.module.Error): |
| 263 | fout.close() |
| 264 | self.assertEqual(testfile.closed, self.close_fd) |
| 265 | fout.close() # do nothing |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 266 | |
| 267 | def test_read(self): |
| 268 | framesize = self.nchannels * self.sampwidth |
| 269 | chunk1 = self.frames[:2 * framesize] |
| 270 | chunk2 = self.frames[2 * framesize: 4 * framesize] |
| 271 | f = self.f = self.module.open(self.sndfilepath) |
| 272 | self.assertEqual(f.readframes(0), b'') |
| 273 | self.assertEqual(f.tell(), 0) |
| 274 | self.assertEqual(f.readframes(2), chunk1) |
| 275 | f.rewind() |
| 276 | pos0 = f.tell() |
| 277 | self.assertEqual(pos0, 0) |
| 278 | self.assertEqual(f.readframes(2), chunk1) |
| 279 | pos2 = f.tell() |
| 280 | self.assertEqual(pos2, 2) |
| 281 | self.assertEqual(f.readframes(2), chunk2) |
| 282 | f.setpos(pos2) |
| 283 | self.assertEqual(f.readframes(2), chunk2) |
| 284 | f.setpos(pos0) |
| 285 | self.assertEqual(f.readframes(2), chunk1) |
| 286 | with self.assertRaises(self.module.Error): |
| 287 | f.setpos(-1) |
| 288 | with self.assertRaises(self.module.Error): |
| 289 | f.setpos(f.getnframes() + 1) |
| 290 | |
| 291 | def test_copy(self): |
| 292 | f = self.f = self.module.open(self.sndfilepath) |
| 293 | fout = self.fout = self.module.open(TESTFN, 'wb') |
| 294 | fout.setparams(f.getparams()) |
| 295 | i = 0 |
| 296 | n = f.getnframes() |
| 297 | while n > 0: |
| 298 | i += 1 |
| 299 | fout.writeframes(f.readframes(i)) |
| 300 | n -= i |
| 301 | fout.close() |
| 302 | fout = self.fout = self.module.open(TESTFN, 'rb') |
| 303 | f.rewind() |
| 304 | self.assertEqual(f.getparams(), fout.getparams()) |
| 305 | self.assertEqual(f.readframes(f.getnframes()), |
| 306 | fout.readframes(fout.getnframes())) |
| 307 | |
| 308 | def test_read_not_from_start(self): |
| 309 | with open(TESTFN, 'wb') as testfile: |
| 310 | testfile.write(b'ababagalamaga') |
| 311 | with open(self.sndfilepath, 'rb') as f: |
| 312 | testfile.write(f.read()) |
| 313 | |
| 314 | with open(TESTFN, 'rb') as testfile: |
| 315 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 316 | with self.module.open(testfile, 'rb') as f: |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 317 | self.assertEqual(f.getnchannels(), self.nchannels) |
| 318 | self.assertEqual(f.getsampwidth(), self.sampwidth) |
| 319 | self.assertEqual(f.getframerate(), self.framerate) |
| 320 | self.assertEqual(f.getnframes(), self.sndfilenframes) |
| 321 | self.assertEqual(f.readframes(self.nframes), self.frames) |