"""Test cases for the fnmatch module."""
from test import test_support
import unittest
from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache
from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache, _purge
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_fnmatchcase(self):
check = self.check_match
check('AbC', 'abc', 0, fnmatchcase)
check('abc', 'AbC', 0, fnmatchcase)
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)
def test_main():
test_support.run_unittest(FnmatchTestCase)
if __name__ == "__main__":
test_main()