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use assert[Not]IsInstance where appropriate

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This commit is contained in:
Ezio Melotti 2010-01-24 16:58:36 +00:00
parent f14c7fc33d
commit b0f5adc3f4
57 changed files with 269 additions and 272 deletions
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32
Lib/test/test_io.py
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@ -2361,27 +2361,27 @@ class MiscIOTest(unittest.TestCase):
def test_abcs(self):
# Test the visible base classes are ABCs.
self.assertTrue(isinstance(self.IOBase, abc.ABCMeta))
self.assertTrue(isinstance(self.RawIOBase, abc.ABCMeta))
self.assertTrue(isinstance(self.BufferedIOBase, abc.ABCMeta))
self.assertTrue(isinstance(self.TextIOBase, abc.ABCMeta))
self.assertIsInstance(self.IOBase, abc.ABCMeta)
self.assertIsInstance(self.RawIOBase, abc.ABCMeta)
self.assertIsInstance(self.BufferedIOBase, abc.ABCMeta)
self.assertIsInstance(self.TextIOBase, abc.ABCMeta)
def _check_abc_inheritance(self, abcmodule):
with self.open(support.TESTFN, "wb", buffering=0) as f:
self.assertTrue(isinstance(f, abcmodule.IOBase))
self.assertTrue(isinstance(f, abcmodule.RawIOBase))
self.assertFalse(isinstance(f, abcmodule.BufferedIOBase))
self.assertFalse(isinstance(f, abcmodule.TextIOBase))
self.assertIsInstance(f, abcmodule.IOBase)
self.assertIsInstance(f, abcmodule.RawIOBase)
self.assertNotIsInstance(f, abcmodule.BufferedIOBase)
self.assertNotIsInstance(f, abcmodule.TextIOBase)
with self.open(support.TESTFN, "wb") as f:
self.assertTrue(isinstance(f, abcmodule.IOBase))
self.assertFalse(isinstance(f, abcmodule.RawIOBase))
self.assertTrue(isinstance(f, abcmodule.BufferedIOBase))
self.assertFalse(isinstance(f, abcmodule.TextIOBase))
self.assertIsInstance(f, abcmodule.IOBase)
self.assertNotIsInstance(f, abcmodule.RawIOBase)
self.assertIsInstance(f, abcmodule.BufferedIOBase)
self.assertNotIsInstance(f, abcmodule.TextIOBase)
with self.open(support.TESTFN, "w") as f:
self.assertTrue(isinstance(f, abcmodule.IOBase))
self.assertFalse(isinstance(f, abcmodule.RawIOBase))
self.assertFalse(isinstance(f, abcmodule.BufferedIOBase))
self.assertTrue(isinstance(f, abcmodule.TextIOBase))
self.assertIsInstance(f, abcmodule.IOBase)
self.assertNotIsInstance(f, abcmodule.RawIOBase)
self.assertNotIsInstance(f, abcmodule.BufferedIOBase)
self.assertIsInstance(f, abcmodule.TextIOBase)
def test_abc_inheritance(self):
# Test implementations inherit from their respective ABCs