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"""Test cases for the fnmatch module."""
from test import support
import unittest
from fnmatch import (fnmatch, fnmatchcase, _MAXCACHE, _cache, _cacheb, purge,
translate, filter)
class FnmatchTestCase(unittest.TestCase):
def tearDown(self):
purge()
def check_match(self, filename, pattern, should_match=1, fn=fnmatch):
if should_match:
self.assertTrue(fn(filename, pattern),
"expected %r to match pattern %r"
% (filename, pattern))
else:
self.assertTrue(not fn(filename, pattern),
"expected %r not to match pattern %r"
% (filename, pattern))
def test_fnmatch(self):
check = self.check_match
check('abc', 'abc')
check('abc', '?*?')
check('abc', '???*')
check('abc', '*???')
check('abc', '???')
check('abc', '*')
check('abc', 'ab[cd]')
check('abc', 'ab[!de]')
check('abc', 'ab[de]', 0)
check('a', '??', 0)
check('a', 'b', 0)
# these test that '\' is handled correctly in character sets;
# see SF bug #409651
check('\\', r'[\]')
check('a', r'[!\]')
check('\\', r'[!\]', 0)
# test that filenames with newlines in them are handled correctly.
# http://bugs.python.org/issue6665
check('foo\nbar', 'foo*')
check('foo\nbar\n', 'foo*')
check('\nfoo', 'foo*', False)
check('\n', '*')
def test_mix_bytes_str(self):
self.assertRaises(TypeError, fnmatch, 'test', b'*')
self.assertRaises(TypeError, fnmatch, b'test', '*')
self.assertRaises(TypeError, fnmatchcase, 'test', b'*')
self.assertRaises(TypeError, fnmatchcase, b'test', '*')
def test_fnmatchcase(self):
check = self.check_match
check('AbC', 'abc', 0, fnmatchcase)
check('abc', 'AbC', 0, fnmatchcase)
def test_bytes(self):
self.check_match(b'test', b'te*')
self.check_match(b'test\xff', b'te*\xff')
self.check_match(b'foo\nbar', b'foo*')
def test_cache_clearing(self):
# check that caches do not grow too large
# http://bugs.python.org/issue7846
# string pattern cache
for i in range(_MAXCACHE + 1):
fnmatch('foo', '?' * i)
self.assertLessEqual(len(_cache), _MAXCACHE)
# bytes pattern cache
for i in range(_MAXCACHE + 1):
fnmatch(b'foo', b'?' * i)
self.assertLessEqual(len(_cacheb), _MAXCACHE)
class TranslateTestCase(unittest.TestCase):
def test_translate(self):
self.assertEqual(translate('*'), '.*\Z(?ms)')
self.assertEqual(translate('?'), '.\Z(?ms)')
self.assertEqual(translate('a?b*'), 'a.b.*\Z(?ms)')
self.assertEqual(translate('[abc]'), '[abc]\Z(?ms)')
self.assertEqual(translate('[]]'), '[]]\Z(?ms)')
self.assertEqual(translate('[!x]'), '[^x]\Z(?ms)')
self.assertEqual(translate('[^x]'), '[\\^x]\Z(?ms)')
self.assertEqual(translate('[x'), '\\[x\Z(?ms)')
class FilterTestCase(unittest.TestCase):
def test_filter(self):
self.assertEqual(filter(['a', 'b'], 'a'), ['a'])
def test_main():
support.run_unittest(FnmatchTestCase,
TranslateTestCase,
FilterTestCase)
if __name__ == "__main__":
test_main()
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