| """Test cases for the fnmatch module.""" |
| |
| import unittest |
| import os |
| import warnings |
| |
| from fnmatch import fnmatch, fnmatchcase, translate, filter |
| |
| class FnmatchTestCase(unittest.TestCase): |
| |
| 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_slow_fnmatch(self): |
| check = self.check_match |
| check('a' * 50, '*a*a*a*a*a*a*a*a*a*a') |
| # The next "takes forever" if the regexp translation is |
| # straightforward. See bpo-40480. |
| check('a' * 50 + 'b', '*a*a*a*a*a*a*a*a*a*a', False) |
| |
| 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', 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_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_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') |
| |
| def test_warnings(self): |
| with warnings.catch_warnings(): |
| warnings.simplefilter('error', Warning) |
| check = self.check_match |
| check('[', '[[]') |
| check('&', '[a&&b]') |
| check('|', '[a||b]') |
| check('~', '[a~~b]') |
| check(',', '[a-z+--A-Z]') |
| check('.', '[a-z--/A-Z]') |
| |
| |
| class TranslateTestCase(unittest.TestCase): |
| |
| def test_translate(self): |
| import re |
| self.assertEqual(translate('*'), r'(?s:.*)\Z') |
| self.assertEqual(translate('?'), r'(?s:.)\Z') |
| self.assertEqual(translate('a?b*'), r'(?s:a.b.*)\Z') |
| self.assertEqual(translate('[abc]'), r'(?s:[abc])\Z') |
| self.assertEqual(translate('[]]'), r'(?s:[]])\Z') |
| self.assertEqual(translate('[!x]'), r'(?s:[^x])\Z') |
| self.assertEqual(translate('[^x]'), r'(?s:[\^x])\Z') |
| self.assertEqual(translate('[x'), r'(?s:\[x)\Z') |
| # from the docs |
| self.assertEqual(translate('*.txt'), r'(?s:.*\.txt)\Z') |
| # squash consecutive stars |
| self.assertEqual(translate('*********'), r'(?s:.*)\Z') |
| self.assertEqual(translate('A*********'), r'(?s:A.*)\Z') |
| self.assertEqual(translate('*********A'), r'(?s:.*A)\Z') |
| self.assertEqual(translate('A*********?[?]?'), r'(?s:A.*.[?].)\Z') |
| # fancy translation to prevent exponential-time match failure |
| t = translate('**a*a****a') |
| digits = re.findall(r'\d+', t) |
| self.assertEqual(len(digits), 4) |
| self.assertEqual(digits[0], digits[1]) |
| self.assertEqual(digits[2], digits[3]) |
| g1 = f"g{digits[0]}" # e.g., group name "g4" |
| g2 = f"g{digits[2]}" # e.g., group name "g5" |
| self.assertEqual(t, |
| fr'(?s:(?=(?P<{g1}>.*?a))(?P={g1})(?=(?P<{g2}>.*?a))(?P={g2}).*a)\Z') |
| # and try pasting multiple translate results - it's an undocumented |
| # feature that this works; all the pain of generating unique group |
| # names across calls exists to support this |
| r1 = translate('**a**a**a*') |
| r2 = translate('**b**b**b*') |
| r3 = translate('*c*c*c*') |
| fatre = "|".join([r1, r2, r3]) |
| self.assertTrue(re.match(fatre, 'abaccad')) |
| self.assertTrue(re.match(fatre, 'abxbcab')) |
| self.assertTrue(re.match(fatre, 'cbabcaxc')) |
| self.assertFalse(re.match(fatre, 'dabccbad')) |
| |
| class FilterTestCase(unittest.TestCase): |
| |
| def test_filter(self): |
| self.assertEqual(filter(['Python', 'Ruby', 'Perl', 'Tcl'], 'P*'), |
| ['Python', 'Perl']) |
| self.assertEqual(filter([b'Python', b'Ruby', b'Perl', b'Tcl'], b'P*'), |
| [b'Python', b'Perl']) |
| |
| def test_mix_bytes_str(self): |
| self.assertRaises(TypeError, filter, ['test'], b'*') |
| self.assertRaises(TypeError, filter, [b'test'], '*') |
| |
| 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']) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |