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"""Test cases for the fnmatch module."""
from test import test_support
import unittest
import os
from fnmatch import (fnmatch, fnmatchcase, translate, filter,
_MAXCACHE, _cache, _purge)
class FnmatchTestCase(unittest.TestCase):
def tearDown(self):
_purge()
def check_match(self, filename, pattern, should_match=True, fn=fnmatch):
if should_match:
self.assertTrue(fn(filename, pattern),
"expected %r to match pattern %r"
% (filename, pattern))
else:
self.assertFalse(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]', False)
check('a', '??', False)
check('a', 'b', False)
# these test that '\' is handled correctly in character sets;
# see SF bug #409651
check('\\', r'[\]')
check('a', r'[!\]')
check('\\', r'[!\]', False)
# 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_unicode_str(self):
check = self.check_match
check('test', u'*')
check(u'test', '*')
check('test', u'*', fn=fnmatchcase)
check(u'test', '*', fn=fnmatchcase)
with test_support.check_warnings(("", UnicodeWarning), quiet=True):
check('test\xff', u'*\xff')
check(u'test\xff', '*\xff')
check('test\xff', u'*\xff', fn=fnmatchcase)
check(u'test\xff', '*\xff', fn=fnmatchcase)
def test_fnmatchcase(self):
check = self.check_match
check('abc', 'abc', True, fnmatchcase)
check('AbC', 'abc', False, fnmatchcase)
check('abc', 'AbC', False, fnmatchcase)
check('AbC', 'AbC', True, fnmatchcase)
check('usr/bin', 'usr/bin', True, fnmatchcase)
check('usr\\bin', 'usr/bin', False, fnmatchcase)
check('usr/bin', 'usr\\bin', False, fnmatchcase)
check('usr\\bin', 'usr\\bin', True, 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)
@test_support.requires_unicode
def test_unicode(self):
with test_support.check_warnings(("", UnicodeWarning), quiet=True):
self.check_match(u'test', u'te*')
self.check_match(u'test\xff', u'te*\xff')
self.check_match(u'test'+unichr(0x20ac), u'te*'+unichr(0x20ac))
self.check_match(u'foo\nbar', u'foo*')
def test_case(self):
ignorecase = os.path.normcase('ABC') == os.path.normcase('abc')
check = self.check_match
check('abc', 'abc')
check('AbC', 'abc', ignorecase)
check('abc', 'AbC', ignorecase)
check('AbC', 'AbC')
def test_sep(self):
normsep = os.path.normcase('\\') == os.path.normcase('/')
check = self.check_match
check('usr/bin', 'usr/bin')
check('usr\\bin', 'usr/bin', normsep)
check('usr/bin', 'usr\\bin', normsep)
check('usr\\bin', 'usr\\bin')
class TranslateTestCase(unittest.TestCase):
def test_translate(self):
self.assertEqual(translate('*'), r'.*\Z(?ms)')
self.assertEqual(translate('?'), r'.\Z(?ms)')
self.assertEqual(translate('a?b*'), r'a.b.*\Z(?ms)')
self.assertEqual(translate('[abc]'), r'[abc]\Z(?ms)')
self.assertEqual(translate('[]]'), r'[]]\Z(?ms)')
self.assertEqual(translate('[!x]'), r'[^x]\Z(?ms)')
self.assertEqual(translate('[^x]'), r'[\^x]\Z(?ms)')
self.assertEqual(translate('[x'), r'\[x\Z(?ms)')
class FilterTestCase(unittest.TestCase):
def test_filter(self):
self.assertEqual(filter(['Python', 'Ruby', 'Perl', 'Tcl'], 'P*'),
['Python', 'Perl'])
self.assertEqual(filter([u'Python', u'Ruby', u'Perl', u'Tcl'], u'P*'),
[u'Python', u'Perl'])
with test_support.check_warnings(("", UnicodeWarning), quiet=True):
self.assertEqual(filter([u'test\xff'], u'*\xff'), [u'test\xff'])
@test_support.requires_unicode
def test_mix_bytes_str(self):
with test_support.check_warnings(("", UnicodeWarning), quiet=True):
self.assertEqual(filter(['test'], u'*'), ['test'])
self.assertEqual(filter([u'test'], '*'), [u'test'])
self.assertEqual(filter(['test\xff'], u'*'), ['test\xff'])
self.assertEqual(filter([u'test\xff'], '*'), [u'test\xff'])
self.assertEqual(filter(['test\xff'], u'*\xff'), ['test\xff'])
self.assertEqual(filter([u'test\xff'], '*\xff'), [u'test\xff'])
def test_case(self):
ignorecase = os.path.normcase('P') == os.path.normcase('p')
self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.p*'),
['Test.py', 'Test.PL'] if ignorecase else ['Test.py'])
self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.P*'),
['Test.py', 'Test.PL'] if ignorecase else ['Test.PL'])
def test_sep(self):
normsep = os.path.normcase('\\') == os.path.normcase('/')
self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr/*'),
['usr/bin', 'usr\\lib'] if normsep else ['usr/bin'])
self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr\\*'),
['usr/bin', 'usr\\lib'] if normsep else ['usr\\lib'])
def test_main():
test_support.run_unittest(FnmatchTestCase, TranslateTestCase, FilterTestCase)
if __name__ == "__main__":
test_main()
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