Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 1 | from test.support import findfile, TESTFN, unlink |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 2 | import array |
| 3 | import io |
| 4 | import pickle |
Berker Peksag | 1e8ee9b | 2016-04-24 07:31:42 +0300 | [diff] [blame] | 5 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 6 | |
Serhiy Storchaka | 7714ebb | 2013-11-16 13:04:00 +0200 | [diff] [blame] | 7 | class UnseekableIO(io.FileIO): |
| 8 | def tell(self): |
| 9 | raise io.UnsupportedOperation |
| 10 | |
| 11 | def seek(self, *args, **kwargs): |
| 12 | raise io.UnsupportedOperation |
| 13 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 14 | |
| 15 | class AudioTests: |
| 16 | close_fd = False |
| 17 | |
| 18 | def setUp(self): |
| 19 | self.f = self.fout = None |
| 20 | |
| 21 | def tearDown(self): |
| 22 | if self.f is not None: |
| 23 | self.f.close() |
| 24 | if self.fout is not None: |
| 25 | self.fout.close() |
| 26 | unlink(TESTFN) |
| 27 | |
| 28 | def check_params(self, f, nchannels, sampwidth, framerate, nframes, |
| 29 | comptype, compname): |
| 30 | self.assertEqual(f.getnchannels(), nchannels) |
| 31 | self.assertEqual(f.getsampwidth(), sampwidth) |
| 32 | self.assertEqual(f.getframerate(), framerate) |
| 33 | self.assertEqual(f.getnframes(), nframes) |
| 34 | self.assertEqual(f.getcomptype(), comptype) |
| 35 | self.assertEqual(f.getcompname(), compname) |
| 36 | |
| 37 | params = f.getparams() |
| 38 | self.assertEqual(params, |
| 39 | (nchannels, sampwidth, framerate, nframes, comptype, compname)) |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 40 | self.assertEqual(params.nchannels, nchannels) |
| 41 | self.assertEqual(params.sampwidth, sampwidth) |
| 42 | self.assertEqual(params.framerate, framerate) |
| 43 | self.assertEqual(params.nframes, nframes) |
| 44 | self.assertEqual(params.comptype, comptype) |
| 45 | self.assertEqual(params.compname, compname) |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 46 | |
Serhiy Storchaka | bad1257 | 2014-12-15 14:03:42 +0200 | [diff] [blame] | 47 | for proto in range(pickle.HIGHEST_PROTOCOL + 1): |
| 48 | dump = pickle.dumps(params, proto) |
| 49 | self.assertEqual(pickle.loads(dump), params) |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 50 | |
| 51 | |
| 52 | class AudioWriteTests(AudioTests): |
| 53 | |
| 54 | def create_file(self, testfile): |
| 55 | f = self.fout = self.module.open(testfile, 'wb') |
| 56 | f.setnchannels(self.nchannels) |
| 57 | f.setsampwidth(self.sampwidth) |
| 58 | f.setframerate(self.framerate) |
| 59 | f.setcomptype(self.comptype, self.compname) |
| 60 | return f |
| 61 | |
| 62 | def check_file(self, testfile, nframes, frames): |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 63 | with self.module.open(testfile, 'rb') as f: |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 64 | self.assertEqual(f.getnchannels(), self.nchannels) |
| 65 | self.assertEqual(f.getsampwidth(), self.sampwidth) |
| 66 | self.assertEqual(f.getframerate(), self.framerate) |
| 67 | self.assertEqual(f.getnframes(), nframes) |
| 68 | self.assertEqual(f.readframes(nframes), frames) |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 69 | |
| 70 | def test_write_params(self): |
| 71 | f = self.create_file(TESTFN) |
| 72 | f.setnframes(self.nframes) |
| 73 | f.writeframes(self.frames) |
| 74 | self.check_params(f, self.nchannels, self.sampwidth, self.framerate, |
| 75 | self.nframes, self.comptype, self.compname) |
| 76 | f.close() |
| 77 | |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 78 | def test_write_context_manager_calls_close(self): |
| 79 | # Close checks for a minimum header and will raise an error |
| 80 | # if it is not set, so this proves that close is called. |
| 81 | with self.assertRaises(self.module.Error): |
| 82 | with self.module.open(TESTFN, 'wb'): |
| 83 | pass |
| 84 | with self.assertRaises(self.module.Error): |
| 85 | with open(TESTFN, 'wb') as testfile: |
| 86 | with self.module.open(testfile): |
| 87 | pass |
| 88 | |
| 89 | def test_context_manager_with_open_file(self): |
| 90 | with open(TESTFN, 'wb') as testfile: |
| 91 | with self.module.open(testfile) as f: |
| 92 | f.setnchannels(self.nchannels) |
| 93 | f.setsampwidth(self.sampwidth) |
| 94 | f.setframerate(self.framerate) |
| 95 | f.setcomptype(self.comptype, self.compname) |
| 96 | self.assertEqual(testfile.closed, self.close_fd) |
| 97 | with open(TESTFN, 'rb') as testfile: |
| 98 | with self.module.open(testfile) as f: |
| 99 | self.assertFalse(f.getfp().closed) |
| 100 | params = f.getparams() |
| 101 | self.assertEqual(params.nchannels, self.nchannels) |
| 102 | self.assertEqual(params.sampwidth, self.sampwidth) |
| 103 | self.assertEqual(params.framerate, self.framerate) |
| 104 | if not self.close_fd: |
| 105 | self.assertIsNone(f.getfp()) |
| 106 | self.assertEqual(testfile.closed, self.close_fd) |
| 107 | |
| 108 | def test_context_manager_with_filename(self): |
| 109 | # If the file doesn't get closed, this test won't fail, but it will |
| 110 | # produce a resource leak warning. |
| 111 | with self.module.open(TESTFN, 'wb') as f: |
| 112 | f.setnchannels(self.nchannels) |
| 113 | f.setsampwidth(self.sampwidth) |
| 114 | f.setframerate(self.framerate) |
| 115 | f.setcomptype(self.comptype, self.compname) |
| 116 | with self.module.open(TESTFN) as f: |
| 117 | self.assertFalse(f.getfp().closed) |
| 118 | params = f.getparams() |
| 119 | self.assertEqual(params.nchannels, self.nchannels) |
| 120 | self.assertEqual(params.sampwidth, self.sampwidth) |
| 121 | self.assertEqual(params.framerate, self.framerate) |
| 122 | if not self.close_fd: |
| 123 | self.assertIsNone(f.getfp()) |
| 124 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 125 | def test_write(self): |
| 126 | f = self.create_file(TESTFN) |
| 127 | f.setnframes(self.nframes) |
| 128 | f.writeframes(self.frames) |
| 129 | f.close() |
| 130 | |
| 131 | self.check_file(TESTFN, self.nframes, self.frames) |
| 132 | |
Serhiy Storchaka | 452bab4 | 2013-11-16 14:01:31 +0200 | [diff] [blame] | 133 | def test_write_bytearray(self): |
| 134 | f = self.create_file(TESTFN) |
| 135 | f.setnframes(self.nframes) |
| 136 | f.writeframes(bytearray(self.frames)) |
| 137 | f.close() |
| 138 | |
| 139 | self.check_file(TESTFN, self.nframes, self.frames) |
| 140 | |
| 141 | def test_write_array(self): |
| 142 | f = self.create_file(TESTFN) |
| 143 | f.setnframes(self.nframes) |
| 144 | f.writeframes(array.array('h', self.frames)) |
| 145 | f.close() |
| 146 | |
| 147 | self.check_file(TESTFN, self.nframes, self.frames) |
| 148 | |
| 149 | def test_write_memoryview(self): |
| 150 | f = self.create_file(TESTFN) |
| 151 | f.setnframes(self.nframes) |
| 152 | f.writeframes(memoryview(self.frames)) |
| 153 | f.close() |
| 154 | |
| 155 | self.check_file(TESTFN, self.nframes, self.frames) |
| 156 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 157 | def test_incompleted_write(self): |
| 158 | with open(TESTFN, 'wb') as testfile: |
| 159 | testfile.write(b'ababagalamaga') |
| 160 | f = self.create_file(testfile) |
| 161 | f.setnframes(self.nframes + 1) |
| 162 | f.writeframes(self.frames) |
| 163 | f.close() |
| 164 | |
| 165 | with open(TESTFN, 'rb') as testfile: |
| 166 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 167 | self.check_file(testfile, self.nframes, self.frames) |
| 168 | |
| 169 | def test_multiple_writes(self): |
| 170 | with open(TESTFN, 'wb') as testfile: |
| 171 | testfile.write(b'ababagalamaga') |
| 172 | f = self.create_file(testfile) |
| 173 | f.setnframes(self.nframes) |
| 174 | framesize = self.nchannels * self.sampwidth |
| 175 | f.writeframes(self.frames[:-framesize]) |
| 176 | f.writeframes(self.frames[-framesize:]) |
| 177 | f.close() |
| 178 | |
| 179 | with open(TESTFN, 'rb') as testfile: |
| 180 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 181 | self.check_file(testfile, self.nframes, self.frames) |
| 182 | |
| 183 | def test_overflowed_write(self): |
| 184 | with open(TESTFN, 'wb') as testfile: |
| 185 | testfile.write(b'ababagalamaga') |
| 186 | f = self.create_file(testfile) |
| 187 | f.setnframes(self.nframes - 1) |
| 188 | f.writeframes(self.frames) |
| 189 | f.close() |
| 190 | |
| 191 | with open(TESTFN, 'rb') as testfile: |
| 192 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 193 | self.check_file(testfile, self.nframes, self.frames) |
| 194 | |
Serhiy Storchaka | 7714ebb | 2013-11-16 13:04:00 +0200 | [diff] [blame] | 195 | def test_unseekable_read(self): |
| 196 | with self.create_file(TESTFN) as f: |
| 197 | f.setnframes(self.nframes) |
| 198 | f.writeframes(self.frames) |
| 199 | |
| 200 | with UnseekableIO(TESTFN, 'rb') as testfile: |
| 201 | self.check_file(testfile, self.nframes, self.frames) |
| 202 | |
| 203 | def test_unseekable_write(self): |
| 204 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 205 | with self.create_file(testfile) as f: |
| 206 | f.setnframes(self.nframes) |
| 207 | f.writeframes(self.frames) |
| 208 | |
| 209 | self.check_file(TESTFN, self.nframes, self.frames) |
| 210 | |
| 211 | def test_unseekable_incompleted_write(self): |
| 212 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 213 | testfile.write(b'ababagalamaga') |
| 214 | f = self.create_file(testfile) |
| 215 | f.setnframes(self.nframes + 1) |
| 216 | try: |
| 217 | f.writeframes(self.frames) |
| 218 | except OSError: |
| 219 | pass |
| 220 | try: |
| 221 | f.close() |
| 222 | except OSError: |
| 223 | pass |
| 224 | |
| 225 | with open(TESTFN, 'rb') as testfile: |
| 226 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 227 | self.check_file(testfile, self.nframes + 1, self.frames) |
| 228 | |
| 229 | def test_unseekable_overflowed_write(self): |
| 230 | with UnseekableIO(TESTFN, 'wb') as testfile: |
| 231 | testfile.write(b'ababagalamaga') |
| 232 | f = self.create_file(testfile) |
| 233 | f.setnframes(self.nframes - 1) |
| 234 | try: |
| 235 | f.writeframes(self.frames) |
| 236 | except OSError: |
| 237 | pass |
| 238 | try: |
| 239 | f.close() |
| 240 | except OSError: |
| 241 | pass |
| 242 | |
| 243 | with open(TESTFN, 'rb') as testfile: |
| 244 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
| 245 | framesize = self.nchannels * self.sampwidth |
| 246 | self.check_file(testfile, self.nframes - 1, self.frames[:-framesize]) |
| 247 | |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 248 | |
| 249 | class AudioTestsWithSourceFile(AudioTests): |
| 250 | |
| 251 | @classmethod |
| 252 | def setUpClass(cls): |
| 253 | cls.sndfilepath = findfile(cls.sndfilename, subdir='audiodata') |
| 254 | |
| 255 | def test_read_params(self): |
| 256 | f = self.f = self.module.open(self.sndfilepath) |
| 257 | #self.assertEqual(f.getfp().name, self.sndfilepath) |
| 258 | self.check_params(f, self.nchannels, self.sampwidth, self.framerate, |
| 259 | self.sndfilenframes, self.comptype, self.compname) |
| 260 | |
| 261 | def test_close(self): |
Serhiy Storchaka | 85812bc | 2013-10-14 20:09:47 +0300 | [diff] [blame] | 262 | with open(self.sndfilepath, 'rb') as testfile: |
| 263 | f = self.f = self.module.open(testfile) |
| 264 | self.assertFalse(testfile.closed) |
| 265 | f.close() |
| 266 | self.assertEqual(testfile.closed, self.close_fd) |
| 267 | with open(TESTFN, 'wb') as testfile: |
| 268 | fout = self.fout = self.module.open(testfile, 'wb') |
| 269 | self.assertFalse(testfile.closed) |
| 270 | with self.assertRaises(self.module.Error): |
| 271 | fout.close() |
| 272 | self.assertEqual(testfile.closed, self.close_fd) |
| 273 | fout.close() # do nothing |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 274 | |
| 275 | def test_read(self): |
| 276 | framesize = self.nchannels * self.sampwidth |
| 277 | chunk1 = self.frames[:2 * framesize] |
| 278 | chunk2 = self.frames[2 * framesize: 4 * framesize] |
| 279 | f = self.f = self.module.open(self.sndfilepath) |
| 280 | self.assertEqual(f.readframes(0), b'') |
| 281 | self.assertEqual(f.tell(), 0) |
| 282 | self.assertEqual(f.readframes(2), chunk1) |
| 283 | f.rewind() |
| 284 | pos0 = f.tell() |
| 285 | self.assertEqual(pos0, 0) |
| 286 | self.assertEqual(f.readframes(2), chunk1) |
| 287 | pos2 = f.tell() |
| 288 | self.assertEqual(pos2, 2) |
| 289 | self.assertEqual(f.readframes(2), chunk2) |
| 290 | f.setpos(pos2) |
| 291 | self.assertEqual(f.readframes(2), chunk2) |
| 292 | f.setpos(pos0) |
| 293 | self.assertEqual(f.readframes(2), chunk1) |
| 294 | with self.assertRaises(self.module.Error): |
| 295 | f.setpos(-1) |
| 296 | with self.assertRaises(self.module.Error): |
| 297 | f.setpos(f.getnframes() + 1) |
| 298 | |
| 299 | def test_copy(self): |
| 300 | f = self.f = self.module.open(self.sndfilepath) |
| 301 | fout = self.fout = self.module.open(TESTFN, 'wb') |
| 302 | fout.setparams(f.getparams()) |
| 303 | i = 0 |
| 304 | n = f.getnframes() |
| 305 | while n > 0: |
| 306 | i += 1 |
| 307 | fout.writeframes(f.readframes(i)) |
| 308 | n -= i |
| 309 | fout.close() |
| 310 | fout = self.fout = self.module.open(TESTFN, 'rb') |
| 311 | f.rewind() |
| 312 | self.assertEqual(f.getparams(), fout.getparams()) |
| 313 | self.assertEqual(f.readframes(f.getnframes()), |
| 314 | fout.readframes(fout.getnframes())) |
| 315 | |
| 316 | def test_read_not_from_start(self): |
| 317 | with open(TESTFN, 'wb') as testfile: |
| 318 | testfile.write(b'ababagalamaga') |
| 319 | with open(self.sndfilepath, 'rb') as f: |
| 320 | testfile.write(f.read()) |
| 321 | |
| 322 | with open(TESTFN, 'rb') as testfile: |
| 323 | self.assertEqual(testfile.read(13), b'ababagalamaga') |
Serhiy Storchaka | eb7414f | 2013-10-13 18:06:45 +0300 | [diff] [blame] | 324 | with self.module.open(testfile, 'rb') as f: |
Serhiy Storchaka | 1b80e63 | 2013-10-13 17:55:07 +0300 | [diff] [blame] | 325 | self.assertEqual(f.getnchannels(), self.nchannels) |
| 326 | self.assertEqual(f.getsampwidth(), self.sampwidth) |
| 327 | self.assertEqual(f.getframerate(), self.framerate) |
| 328 | self.assertEqual(f.getnframes(), self.sndfilenframes) |
| 329 | self.assertEqual(f.readframes(self.nframes), self.frames) |