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

wave.

1 files changed, 97 insertions, 54 deletions

diff --git a/Lib/test/test_wave.py b/Lib/test/test_wave.py
index e0aace4..049d0d8 100644
--- a/Lib/test/test_wave.py
+++ b/Lib/test/test_wave.py
@@ -1,66 +1,109 @@
-from test.support import TESTFN, run_unittest
-import os
-import wave
-import struct
+from test.support import TESTFN
 import unittest
+from test import audiotests
+import wave
 
-nchannels = 2
-sampwidth = 2
-framerate = 8000
-nframes = 100
-
-class TestWave(unittest.TestCase):
 
-    def setUp(self):
-        self.f = None
+class WavePCM8Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = wave
+    sndfilename = 'pluck-pcm8.wav'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 1
+    framerate = 11025
+    nframes = 48
+    comptype = 'NONE'
+    compname = 'not compressed'
+    frames = bytes.fromhex("""\
+      827F CB80 B184 0088 4B86 C883 3F81 837E 387A 3473 A96B 9A66 \
+      6D64 4662 8E60 6F60 D762 7B68 936F 5877 177B 757C 887B 5F7B \
+      917A BE7B 3C7C E67F 4F84 C389 418E D192 6E97 0296 FF94 0092 \
+      C98E D28D 6F8F 4E8F 648C E38A 888A AB8B D18E 0B91 368E C48A \
+      """)
 
-    def tearDown(self):
-        if self.f is not None:
-            self.f.close()
-        try:
-            os.remove(TESTFN)
-        except OSError:
-            pass
 
-    def test_it(self, test_rounding=False):
-        self.f = wave.open(TESTFN, 'wb')
-        self.f.setnchannels(nchannels)
-        self.f.setsampwidth(sampwidth)
-        if test_rounding:
-            self.f.setframerate(framerate - 0.1)
-        else:
-            self.f.setframerate(framerate)
-        self.f.setnframes(nframes)
-        output = b'\0' * nframes * nchannels * sampwidth
-        self.f.writeframes(output)
-        self.f.close()
+class WavePCM16Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = wave
+    sndfilename = 'pluck-pcm16.wav'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 2
+    framerate = 11025
+    nframes = 48
+    comptype = 'NONE'
+    compname = 'not compressed'
+    frames = bytes.fromhex("""\
+      022EFFEA 4B5C00F9 311404EF 80DC0843 CBDF06B2 48AA03F3 BFE701B2 036BFE7C \
+      B857FA3E B4B2F34F 2999EBCA 1A5FE6D7 EDFCE491 C626E279 0E05E0B8 EF27E02D \
+      5754E275 FB31E843 1373EF89 D827F72C 978BFB7A F5F7FC11 0866FB9C DF30FB42 \
+      117FFA36 3EE4FB5D BC75FCB6 66D5FF5F CF16040E 43220978 C1BC0EC8 511F12A4 \
+      EEDF1755 82061666 7FFF1446 80001296 499C0EB2 52BA0DB9 EFB70F5C CE400FBC \
+      E4B50CEB 63440A5A 08CA0A1F 2BBA0B0B 51460E47 8BCB113C B6F50EEA 44150A59 \
+      """)
+    frames = audiotests.byteswap2(frames)
 
-        self.f = wave.open(TESTFN, 'rb')
-        self.assertEqual(nchannels, self.f.getnchannels())
-        self.assertEqual(sampwidth, self.f.getsampwidth())
-        self.assertEqual(framerate, self.f.getframerate())
-        self.assertEqual(nframes, self.f.getnframes())
-        self.assertEqual(self.f.readframes(nframes), output)
 
-    def test_fractional_framerate(self):
-        """
-        Addresses [ 1512791 ] module wave does no rounding
-        Floating point framerates should be rounded, rather than truncated.
-        """
-        self.test_it(test_rounding=True)
+class WavePCM24Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = wave
+    sndfilename = 'pluck-pcm24.wav'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 3
+    framerate = 11025
+    nframes = 48
+    comptype = 'NONE'
+    compname = '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 \
+      """)
+    frames = audiotests.byteswap3(frames)
 
-    def test_issue7681(self):
-        self.f = wave.open(TESTFN, 'wb')
-        self.f.setnchannels(nchannels)
-        self.f.setsampwidth(sampwidth)
-        self.f.setframerate(framerate)
-        # Don't call setnframes, make _write_header divide to figure it out
-        output = b'\0' * nframes * nchannels * sampwidth
-        self.f.writeframes(output)
 
+class WavePCM32Test(audiotests.AudioWriteTests,
+        audiotests.AudioTestsWithSourceFile,
+        unittest.TestCase):
+    module = wave
+    sndfilename = 'pluck-pcm32.wav'
+    sndfilenframes = 3307
+    nchannels = 2
+    sampwidth = 4
+    framerate = 11025
+    nframes = 48
+    comptype = 'NONE'
+    compname = '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 \
+      """)
+    frames = audiotests.byteswap4(frames)
 
-def test_main():
-    run_unittest(TestWave)
 
 if __name__ == '__main__':
-    test_main()
+    unittest.main()