166 lines
6.1 KiB
Python
166 lines
6.1 KiB
Python
"""Test cases for the fnmatch module."""
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from test import test_support
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import unittest
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import os
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from fnmatch import (fnmatch, fnmatchcase, translate, filter,
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_MAXCACHE, _cache, _purge)
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class FnmatchTestCase(unittest.TestCase):
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def tearDown(self):
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_purge()
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def check_match(self, filename, pattern, should_match=True, fn=fnmatch):
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if should_match:
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self.assertTrue(fn(filename, pattern),
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"expected %r to match pattern %r"
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% (filename, pattern))
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else:
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self.assertFalse(fn(filename, pattern),
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"expected %r not to match pattern %r"
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% (filename, pattern))
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def test_fnmatch(self):
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check = self.check_match
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check('abc', 'abc')
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check('abc', '?*?')
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check('abc', '???*')
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check('abc', '*???')
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check('abc', '???')
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check('abc', '*')
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check('abc', 'ab[cd]')
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check('abc', 'ab[!de]')
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check('abc', 'ab[de]', False)
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check('a', '??', False)
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check('a', 'b', False)
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# these test that '\' is handled correctly in character sets;
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# see SF bug #409651
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check('\\', r'[\]')
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check('a', r'[!\]')
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check('\\', r'[!\]', False)
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# test that filenames with newlines in them are handled correctly.
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# http://bugs.python.org/issue6665
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check('foo\nbar', 'foo*')
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check('foo\nbar\n', 'foo*')
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check('\nfoo', 'foo*', False)
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check('\n', '*')
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def test_mix_unicode_str(self):
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check = self.check_match
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check('test', u'*')
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check(u'test', '*')
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check('test', u'*', fn=fnmatchcase)
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check(u'test', '*', fn=fnmatchcase)
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with test_support.check_warnings(("", UnicodeWarning), quiet=True):
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check('test\xff', u'*\xff')
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check(u'test\xff', '*\xff')
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check('test\xff', u'*\xff', fn=fnmatchcase)
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check(u'test\xff', '*\xff', fn=fnmatchcase)
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def test_fnmatchcase(self):
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check = self.check_match
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check('abc', 'abc', True, fnmatchcase)
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check('AbC', 'abc', False, fnmatchcase)
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check('abc', 'AbC', False, fnmatchcase)
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check('AbC', 'AbC', True, fnmatchcase)
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check('usr/bin', 'usr/bin', True, fnmatchcase)
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check('usr\\bin', 'usr/bin', False, fnmatchcase)
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check('usr/bin', 'usr\\bin', False, fnmatchcase)
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check('usr\\bin', 'usr\\bin', True, fnmatchcase)
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def test_cache_clearing(self):
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# check that caches do not grow too large
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# http://bugs.python.org/issue7846
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# string pattern cache
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for i in range(_MAXCACHE + 1):
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fnmatch('foo', '?' * i)
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self.assertLessEqual(len(_cache), _MAXCACHE)
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@test_support.requires_unicode
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def test_unicode(self):
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with test_support.check_warnings(("", UnicodeWarning), quiet=True):
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self.check_match(u'test', u'te*')
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self.check_match(u'test\xff', u'te*\xff')
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self.check_match(u'test'+unichr(0x20ac), u'te*'+unichr(0x20ac))
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self.check_match(u'foo\nbar', u'foo*')
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def test_case(self):
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ignorecase = os.path.normcase('ABC') == os.path.normcase('abc')
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check = self.check_match
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check('abc', 'abc')
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check('AbC', 'abc', ignorecase)
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check('abc', 'AbC', ignorecase)
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check('AbC', 'AbC')
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def test_sep(self):
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normsep = os.path.normcase('\\') == os.path.normcase('/')
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check = self.check_match
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check('usr/bin', 'usr/bin')
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check('usr\\bin', 'usr/bin', normsep)
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check('usr/bin', 'usr\\bin', normsep)
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check('usr\\bin', 'usr\\bin')
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class TranslateTestCase(unittest.TestCase):
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def test_translate(self):
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self.assertEqual(translate('*'), r'.*\Z(?ms)')
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self.assertEqual(translate('?'), r'.\Z(?ms)')
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self.assertEqual(translate('a?b*'), r'a.b.*\Z(?ms)')
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self.assertEqual(translate('[abc]'), r'[abc]\Z(?ms)')
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self.assertEqual(translate('[]]'), r'[]]\Z(?ms)')
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self.assertEqual(translate('[!x]'), r'[^x]\Z(?ms)')
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self.assertEqual(translate('[^x]'), r'[\^x]\Z(?ms)')
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self.assertEqual(translate('[x'), r'\[x\Z(?ms)')
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class FilterTestCase(unittest.TestCase):
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def test_filter(self):
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self.assertEqual(filter(['Python', 'Ruby', 'Perl', 'Tcl'], 'P*'),
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['Python', 'Perl'])
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self.assertEqual(filter([u'Python', u'Ruby', u'Perl', u'Tcl'], u'P*'),
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[u'Python', u'Perl'])
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with test_support.check_warnings(("", UnicodeWarning), quiet=True):
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self.assertEqual(filter([u'test\xff'], u'*\xff'), [u'test\xff'])
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@test_support.requires_unicode
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def test_mix_bytes_str(self):
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with test_support.check_warnings(("", UnicodeWarning), quiet=True):
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self.assertEqual(filter(['test'], u'*'), ['test'])
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self.assertEqual(filter([u'test'], '*'), [u'test'])
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self.assertEqual(filter(['test\xff'], u'*'), ['test\xff'])
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self.assertEqual(filter([u'test\xff'], '*'), [u'test\xff'])
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self.assertEqual(filter(['test\xff'], u'*\xff'), ['test\xff'])
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self.assertEqual(filter([u'test\xff'], '*\xff'), [u'test\xff'])
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def test_case(self):
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ignorecase = os.path.normcase('P') == os.path.normcase('p')
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self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.p*'),
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['Test.py', 'Test.PL'] if ignorecase else ['Test.py'])
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self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.P*'),
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['Test.py', 'Test.PL'] if ignorecase else ['Test.PL'])
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def test_sep(self):
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normsep = os.path.normcase('\\') == os.path.normcase('/')
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self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr/*'),
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['usr/bin', 'usr\\lib'] if normsep else ['usr/bin'])
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self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr\\*'),
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['usr/bin', 'usr\\lib'] if normsep else ['usr\\lib'])
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def test_main():
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test_support.run_unittest(FnmatchTestCase, TranslateTestCase, FilterTestCase)
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if __name__ == "__main__":
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test_main()
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