Issue #18919: Unified and extended tests for audio modules: aifc, sunau and

wave.

1 files changed, 157 insertions, 116 deletions

diff --git a/Lib/test/test_aifc.py b/Lib/test/test_aifc.py
index 9c0e7b9..d569b72 100644
--- a/Lib/test/test_aifc.py
+++ b/Lib/test/test_aifc.py
@@ -1,124 +1,170 @@
-from test.support import findfile, run_unittest, TESTFN, unlink
+from test.support import findfile, TESTFN, unlink
 import unittest
+from test import audiotests
 import os
 import io
+import sys
 import struct
-
 import aifc
 
 
-class AIFCTest(unittest.TestCase):
-
-    def setUp(self):
-        self.f = self.fout = None
-        self.sndfilepath = findfile('Sine-1000Hz-300ms.aif')
-
-    def tearDown(self):
-        if self.f is not None:
-            self.f.close()
-        if self.fout is not None:
-            try:
-                self.fout.close()
-            except (aifc.Error, AttributeError):
-                pass
-        unlink(TESTFN)
-        unlink(TESTFN + '.aiff')
-
+class AifcPCM8Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-pcm8.aiff'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 1
+    framerate = 11025
+    nframes = 48
+    comptype = b'NONE'
+    compname = b'not compressed'
+    frames = bytes.fromhex("""\
+      02FF 4B00 3104 8008 CB06 4803 BF01 03FE B8FA B4F3 29EB 1AE6 \
+      EDE4 C6E2 0EE0 EFE0 57E2 FBE8 13EF D8F7 97FB F5FC 08FB DFFB \
+      11FA 3EFB BCFC 66FF CF04 4309 C10E 5112 EE17 8216 7F14 8012 \
+      490E 520D EF0F CE0F E40C 630A 080A 2B0B 510E 8B11 B60E 440A \
+      """)
+    close_fd = True
+
+
+class AifcPCM16Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-pcm16.aiff'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 2
+    framerate = 11025
+    nframes = 48
+    comptype = b'NONE'
+    compname = b'not compressed'
+    frames = bytes.fromhex("""\
+      022EFFEA 4B5D00F6 311804EA 80E10840 CBE106B1 48A903F5 BFE601B2 036CFE7B \
+      B858FA3E B4B1F34F 299AEBCA 1A5DE6DA EDFAE491 C628E275 0E09E0B5 EF2AE029 \
+      5758E271 FB35E83F 1376EF86 D82BF727 9790FB76 F5FAFC0F 0867FB9C DF30FB43 \
+      117EFA36 3EE5FB5B BC79FCB1 66D9FF5D CF150412 431D097C C1BA0EC8 512112A1 \
+      EEE21753 82071665 7FFF1443 8004128F 49A20EAF 52BB0DBA EFB40F60 CE3C0FBF \
+      E4B30CEC 63430A5C 08C80A20 2BBB0B08 514A0E43 8BCF1139 B6F60EEB 44120A5E \
+      """)
+    close_fd = True
+
+
+class AifcPCM24Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-pcm24.aiff'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 3
+    framerate = 11025
+    nframes = 48
+    comptype = b'NONE'
+    compname = b'not compressed'
+    frames = bytes.fromhex("""\
+      022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
+      CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
+      B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
+      EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
+      5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
+      978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
+      117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
+      CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
+      EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
+      499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
+      E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
+      51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
+      """)
+    close_fd = True
+
+
+class AifcPCM32Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-pcm32.aiff'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 4
+    framerate = 11025
+    nframes = 48
+    comptype = b'NONE'
+    compname = b'not compressed'
+    frames = bytes.fromhex("""\
+      022D65BCFFEB9D92 4B5A0F8000FA549C 3113C34004EE2BC0 80DCD680084303E0 \
+      CBDEC0C006B26140 48A9980003F2F8FC BFE8248001B07D92 036BFB60FE7B5D34 \
+      B8575600FA3EC920 B4B05500F3502BC0 29983000EBCB6240 1A5CA7A0E6D99A60 \
+      EDFA3E80E491BD40 C625EB80E27884A0 0E05A9A0E0B6CFE0 EF292940E0292280 \
+      5758D800E2706700 FB3557D8E83E1640 1377BF00EF840280 D82C5B80F7272A80 \
+      978F1600FB774560 F5F86510FC101364 086635A0FB9C4E20 DF30FC40FB40EE28 \
+      117FE0A0FA3438B0 3EE6B840FB5AC3F0 BC77A380FCB2F454 66D6DA80FF5F32B4 \
+      CF13B980041275B0 431D6980097A8C00 C1BB60000EC74E00 5120B98012A2BAA0 \
+      EEDF64C01754C060 820700001664B780 7FFFFFFF14453F40 800000001294E6E0 \
+      499C1B000EB3B270 52B73E000DBCA020 EFB2B2E00F5FD880 CE3CDB400FBE1270 \
+      E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
+      51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
+      """)
+    close_fd = True
+
+
+class AifcULAWTest(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-ulaw.aifc'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 2
+    framerate = 11025
+    nframes = 48
+    comptype = b'ulaw'
+    compname = b''
+    frames = bytes.fromhex("""\
+      022CFFE8 497C0104 307C04DC 8284083C CB84069C 497C03DC BE8401AC 036CFE74 \
+      B684FA24 B684F344 2A7CEC04 19FCE704 EE04E504 C584E204 0E3CE104 EF04DF84 \
+      557CE204 FB24E804 12FCEF04 D784F744 9684FB64 F5C4FC24 083CFBA4 DF84FB24 \
+      11FCFA24 3E7CFB64 BA84FCB4 657CFF5C CF84041C 417C093C C1840EBC 517C12FC \
+      EF0416FC 828415FC 7D7C13FC 828412FC 497C0EBC 517C0DBC F0040F3C CD840FFC \
+      E5040CBC 617C0A3C 08BC0A3C 2C7C0B3C 517C0E3C 8A8410FC B6840EBC 457C0A3C \
+      """)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap2(frames)
+    close_fd = True
+
+
+class AifcALAWTest(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = aifc
+    sndfilename = 'pluck-alaw.aifc'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 2
+    framerate = 11025
+    nframes = 48
+    comptype = b'alaw'
+    compname = b''
+    frames = bytes.fromhex("""\
+      0230FFE8 4A0000F8 310004E0 82000840 CB0006A0 4A0003F0 BE0001A8 0370FE78 \
+      BA00FA20 B600F340 2900EB80 1A80E680 ED80E480 C700E280 0E40E080 EF80E080 \
+      5600E280 FB20E880 1380EF80 D900F740 9600FB60 F5C0FC10 0840FBA0 DF00FB20 \
+      1180FA20 3F00FB60 BE00FCB0 6600FF58 CF000420 42000940 C1000EC0 52001280 \
+      EE801780 82001680 7E001480 82001280 4A000EC0 52000DC0 EF800F40 CF000FC0 \
+      E4800CC0 62000A40 08C00A40 2B000B40 52000E40 8A001180 B6000EC0 46000A40 \
+      """)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap2(frames)
+    close_fd = True
+
+
+class AifcMiscTest(audiotests.AudioTests, unittest.TestCase):
     def test_skipunknown(self):
         #Issue 2245
         #This file contains chunk types aifc doesn't recognize.
-        self.f = aifc.open(self.sndfilepath)
-
-    def test_params(self):
-        f = self.f = aifc.open(self.sndfilepath)
-        self.assertEqual(f.getfp().name, self.sndfilepath)
-        self.assertEqual(f.getnchannels(), 2)
-        self.assertEqual(f.getsampwidth(), 2)
-        self.assertEqual(f.getframerate(), 48000)
-        self.assertEqual(f.getnframes(), 14400)
-        self.assertEqual(f.getcomptype(), b'NONE')
-        self.assertEqual(f.getcompname(), b'not compressed')
-        self.assertEqual(
-            f.getparams(),
-            (2, 2, 48000, 14400, b'NONE', b'not compressed'),
-            )
-
-    def test_read(self):
-        f = self.f = aifc.open(self.sndfilepath)
-        self.assertEqual(f.readframes(0), b'')
-        self.assertEqual(f.tell(), 0)
-        self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
-        f.rewind()
-        pos0 = f.tell()
-        self.assertEqual(pos0, 0)
-        self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
-        pos2 = f.tell()
-        self.assertEqual(pos2, 2)
-        self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad')
-        f.setpos(pos2)
-        self.assertEqual(f.readframes(2), b'\x17t\x17t"\xad"\xad')
-        f.setpos(pos0)
-        self.assertEqual(f.readframes(2), b'\x00\x00\x00\x00\x0b\xd4\x0b\xd4')
-        with self.assertRaises(aifc.Error):
-            f.setpos(-1)
-        with self.assertRaises(aifc.Error):
-            f.setpos(f.getnframes() + 1)
-
-    def test_write(self):
-        f = self.f = aifc.open(self.sndfilepath)
-        fout = self.fout = aifc.open(TESTFN, 'wb')
-        fout.aifc()
-        fout.setparams(f.getparams())
-        for frame in range(f.getnframes()):
-            fout.writeframes(f.readframes(1))
-        fout.close()
-        fout = self.fout = aifc.open(TESTFN, 'rb')
-        f.rewind()
-        self.assertEqual(f.getparams(), fout.getparams())
-        self.assertEqual(f.readframes(5), fout.readframes(5))
-
-    def test_compress(self):
-        f = self.f = aifc.open(self.sndfilepath)
-        fout = self.fout = aifc.open(TESTFN, 'wb')
-        fout.aifc()
-        fout.setnchannels(f.getnchannels())
-        fout.setsampwidth(f.getsampwidth())
-        fout.setframerate(f.getframerate())
-        fout.setcomptype(b'ULAW', b'foo')
-        for frame in range(f.getnframes()):
-            fout.writeframes(f.readframes(1))
-        fout.close()
-        self.assertLess(
-            os.stat(TESTFN).st_size,
-            os.stat(self.sndfilepath).st_size*0.75,
-            )
-        fout = self.fout = aifc.open(TESTFN, 'rb')
-        f.rewind()
-        self.assertEqual(f.getparams()[0:3], fout.getparams()[0:3])
-        self.assertEqual(fout.getcomptype(), b'ULAW')
-        self.assertEqual(fout.getcompname(), b'foo')
-
-    def test_close(self):
-        class Wrapfile(object):
-            def __init__(self, file):
-                self.file = open(file, 'rb')
-                self.closed = False
-            def close(self):
-                self.file.close()
-                self.closed = True
-            def __getattr__(self, attr): return getattr(self.file, attr)
-        testfile = Wrapfile(self.sndfilepath)
-        f = self.f = aifc.open(testfile)
-        self.assertEqual(testfile.closed, False)
-        f.close()
-        self.assertEqual(testfile.closed, True)
-        testfile = open(TESTFN, 'wb')
-        fout = aifc.open(testfile, 'wb')
-        self.assertFalse(testfile.closed)
-        with self.assertRaises(aifc.Error):
-            fout.close()
-        self.assertTrue(testfile.closed)
-        fout.close() # do nothing
+        self.f = aifc.open(findfile('Sine-1000Hz-300ms.aif'))
 
     def test_write_header_comptype_sampwidth(self):
         for comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
@@ -329,10 +375,5 @@ class AIFCLowLevelTest(unittest.TestCase):
         f.close()
 
 
-def test_main():
-    run_unittest(AIFCTest)
-    run_unittest(AIFCLowLevelTest)
-
-
 if __name__ == "__main__":
     unittest.main()