| 4710c53d |
1 | from test.test_support import findfile, run_unittest, TESTFN\r |
| 2 | import unittest\r |
| 3 | import os\r |
| 4 | \r |
| 5 | import aifc\r |
| 6 | \r |
| 7 | \r |
| 8 | class AIFCTest(unittest.TestCase):\r |
| 9 | \r |
| 10 | def setUp(self):\r |
| 11 | self.f = self.fout = None\r |
| 12 | self.sndfilepath = findfile('Sine-1000Hz-300ms.aif')\r |
| 13 | \r |
| 14 | def tearDown(self):\r |
| 15 | if self.f is not None:\r |
| 16 | self.f.close()\r |
| 17 | if self.fout is not None:\r |
| 18 | try:\r |
| 19 | self.fout.close()\r |
| 20 | except (aifc.Error, AttributeError):\r |
| 21 | pass\r |
| 22 | try:\r |
| 23 | os.remove(TESTFN)\r |
| 24 | except OSError:\r |
| 25 | pass\r |
| 26 | \r |
| 27 | def test_skipunknown(self):\r |
| 28 | #Issue 2245\r |
| 29 | #This file contains chunk types aifc doesn't recognize.\r |
| 30 | self.f = aifc.open(self.sndfilepath)\r |
| 31 | \r |
| 32 | def test_params(self):\r |
| 33 | f = self.f = aifc.open(self.sndfilepath)\r |
| 34 | self.assertEqual(f.getnchannels(), 2)\r |
| 35 | self.assertEqual(f.getsampwidth(), 2)\r |
| 36 | self.assertEqual(f.getframerate(), 48000)\r |
| 37 | self.assertEqual(f.getnframes(), 14400)\r |
| 38 | self.assertEqual(f.getcomptype(), 'NONE')\r |
| 39 | self.assertEqual(f.getcompname(), 'not compressed')\r |
| 40 | self.assertEqual(f.getparams(), (2, 2, 48000, 14400, 'NONE', 'not compressed'))\r |
| 41 | \r |
| 42 | def test_read(self):\r |
| 43 | f = self.f = aifc.open(self.sndfilepath)\r |
| 44 | self.assertEqual(f.tell(), 0)\r |
| 45 | self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')\r |
| 46 | f.rewind()\r |
| 47 | pos0 = f.tell()\r |
| 48 | self.assertEqual(pos0, 0)\r |
| 49 | self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')\r |
| 50 | pos2 = f.tell()\r |
| 51 | self.assertEqual(pos2, 2)\r |
| 52 | self.assertEqual(f.readframes(2), '\x17t\x17t"\xad"\xad')\r |
| 53 | f.setpos(pos2)\r |
| 54 | self.assertEqual(f.readframes(2), '\x17t\x17t"\xad"\xad')\r |
| 55 | f.setpos(pos0)\r |
| 56 | self.assertEqual(f.readframes(2), '\x00\x00\x00\x00\x0b\xd4\x0b\xd4')\r |
| 57 | \r |
| 58 | def test_write(self):\r |
| 59 | f = self.f = aifc.open(self.sndfilepath)\r |
| 60 | fout = self.fout = aifc.open(TESTFN, 'wb')\r |
| 61 | fout.aifc()\r |
| 62 | fout.setparams(f.getparams())\r |
| 63 | for frame in range(f.getnframes()):\r |
| 64 | fout.writeframes(f.readframes(1))\r |
| 65 | fout.close()\r |
| 66 | fout = self.fout = aifc.open(TESTFN, 'rb')\r |
| 67 | f.rewind()\r |
| 68 | self.assertEqual(f.getparams(), fout.getparams())\r |
| 69 | self.assertEqual(f.readframes(5), fout.readframes(5))\r |
| 70 | \r |
| 71 | def test_compress(self):\r |
| 72 | f = self.f = aifc.open(self.sndfilepath)\r |
| 73 | fout = self.fout = aifc.open(TESTFN, 'wb')\r |
| 74 | fout.aifc()\r |
| 75 | fout.setnchannels(f.getnchannels())\r |
| 76 | fout.setsampwidth(f.getsampwidth())\r |
| 77 | fout.setframerate(f.getframerate())\r |
| 78 | fout.setcomptype('ULAW', 'foo')\r |
| 79 | for frame in range(f.getnframes()):\r |
| 80 | fout.writeframes(f.readframes(1))\r |
| 81 | fout.close()\r |
| 82 | self.assertLess(\r |
| 83 | os.stat(TESTFN).st_size,\r |
| 84 | os.stat(self.sndfilepath).st_size*0.75,\r |
| 85 | )\r |
| 86 | fout = self.fout = aifc.open(TESTFN, 'rb')\r |
| 87 | f.rewind()\r |
| 88 | self.assertEqual(f.getparams()[0:3], fout.getparams()[0:3])\r |
| 89 | self.assertEqual(fout.getcomptype(), 'ULAW')\r |
| 90 | self.assertEqual(fout.getcompname(), 'foo')\r |
| 91 | # XXX: this test fails, not sure if it should succeed or not\r |
| 92 | # self.assertEqual(f.readframes(5), fout.readframes(5))\r |
| 93 | \r |
| 94 | def test_close(self):\r |
| 95 | class Wrapfile(object):\r |
| 96 | def __init__(self, file):\r |
| 97 | self.file = open(file, 'rb')\r |
| 98 | self.closed = False\r |
| 99 | def close(self):\r |
| 100 | self.file.close()\r |
| 101 | self.closed = True\r |
| 102 | def __getattr__(self, attr): return getattr(self.file, attr)\r |
| 103 | testfile = Wrapfile(self.sndfilepath)\r |
| 104 | f = self.f = aifc.open(testfile)\r |
| 105 | self.assertEqual(testfile.closed, False)\r |
| 106 | f.close()\r |
| 107 | self.assertEqual(testfile.closed, True)\r |
| 108 | \r |
| 109 | \r |
| 110 | def test_main():\r |
| 111 | run_unittest(AIFCTest)\r |
| 112 | \r |
| 113 | \r |
| 114 | if __name__ == "__main__":\r |
| 115 | unittest.main()\r |
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