| 1 | #!/usr/bin/env python
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| 2 | # Copyright 2016 Andy Chu. All rights reserved.
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| 3 | # Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | # you may not use this file except in compliance with the License.
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| 5 | # You may obtain a copy of the License at
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| 6 | #
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| 7 | #   http://www.apache.org/licenses/LICENSE-2.0
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| 8 | """
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| 9 | libc_test.py: Tests for libc.py
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| 10 | """
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| 11 | 
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| 12 | import unittest
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| 13 | 
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| 14 | import libc  # module under test
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| 15 | 
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| 16 | 
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| 17 | class LibcTest(unittest.TestCase):
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| 18 | 
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| 19 |   def testFnmatch(self):
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| 20 |     print(dir(libc))
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| 21 |     # pattern, string, result
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| 22 | 
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| 23 |     cases = [
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| 24 |         ('', '', 1),  # no pattern is valid
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| 25 |         ('a', 'a', 1),
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| 26 |         ('?', 'a', 1),
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| 27 |         ('\?', 'a', 0),
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| 28 |         ('\?', '?', 1),
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| 29 |         ('\\\\', '\\', 1),
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| 30 |         # What is another error?  Invalid escape is OK?
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| 31 |         ('\\', '\\', 0),  # no pattern is valid
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| 32 | 
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| 33 |         ('[[:alpha:]]', 'a', 1),
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| 34 |         ('[^[:alpha:]]', 'a', 0),  # negate
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| 35 |         ('[[:alpha:]]', 'aa', 0),  # exact match fails
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| 36 | 
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| 37 |         # Combining char class and a literal character
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| 38 |         ('[[:alpha:]7]', '7', 1),
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| 39 |         ('[[:alpha:]][[:alpha:]]', 'az', 1),
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| 40 |     ]
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| 41 | 
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| 42 |     for pat, s, expected in cases:
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| 43 |       actual = libc.fnmatch(pat, s)
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| 44 |       self.assertEqual(expected, actual)
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| 45 | 
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| 46 |   def testGlob(self):
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| 47 |     print('GLOB')
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| 48 |     print(libc.glob('*.py'))
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| 49 | 
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| 50 |     # This will not match anything!
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| 51 |     print(libc.glob('\\'))
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| 52 |     # This one will match a file named \
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| 53 |     print(libc.glob('\\\\'))
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| 54 | 
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| 55 |   def testRegex(self):
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| 56 |     #print(libc.regcomp(r'.*\.py'))
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| 57 |     self.assertEqual(True, libc.regex_parse(r'.*\.py'))
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| 58 |     self.assertEqual(False, libc.regex_parse(r'*'))
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| 59 |     self.assertEqual(False, libc.regex_parse('\\'))
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| 60 |     self.assertEqual(False, libc.regex_parse('{'))
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| 61 | 
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| 62 |     cases = [
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| 63 |         (r'.*\.py', 'foo.py', True),
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| 64 |         (r'.*\.py', 'abcd', False),
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| 65 |         # The match is unanchored
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| 66 |         (r'bc', 'abcd', True),
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| 67 |         # The match is unanchored
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| 68 |         (r'.c', 'abcd', True),
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| 69 |         ]
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| 70 | 
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| 71 |     for pat, s, expected in cases:
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| 72 |       actual = libc.regex_match(pat, s)
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| 73 |       self.assertEqual(expected, actual)
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| 74 | 
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| 75 |     # Error.
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| 76 |     print(libc.regex_match(r'*', 'abcd'))
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| 77 | 
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| 78 | 
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| 79 |   def testRegexReplace(self):
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| 80 |     cases = [
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| 81 |         (r'.\.py', 'X', 'foo.py', False, 'foX'),
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| 82 |         (r'^\.py', 'X', 'foo.py', False, 'foo.py'),  # Anchored left
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| 83 |         (r'foo$', 'X', 'foo.py', False, 'foo.py'),  # Anchored Right
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| 84 |         (r'o', 'X', 'foo.py', False, 'fXo.py'),  # replace all
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| 85 |         (r'o', 'X', 'foo.py', True, 'fXX.py'),  # replace all
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| 86 |         ]
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| 87 |     return
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| 88 |     for pat, replace, s, do_all, expected in cases:
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| 89 |       actual = libc.regex_replace(pat, replace, s, do_all)
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| 90 |       self.assertEqual(expected, actual)
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| 91 | 
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| 92 | 
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| 93 | if __name__ == '__main__':
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| 94 |   unittest.main()
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