| 1 | #!/usr/bin/env python2
 | 
| 2 | from __future__ import print_function
 | 
| 3 | 
 | 
| 4 | import unittest
 | 
| 5 | 
 | 
| 6 | from _devbuild.gen.id_kind_asdl import Id
 | 
| 7 | from _devbuild.gen.syntax_asdl import EggexFlag, Token, source, SourceLine
 | 
| 8 | 
 | 
| 9 | from core import error
 | 
| 10 | from ysh import regex_translate
 | 
| 11 | 
 | 
| 12 | 
 | 
| 13 | def _Name(s):
 | 
| 14 |     # Doesn't work
 | 
| 15 |     #return lexer.DummyToken(Id.Expr_Name, s)
 | 
| 16 |     src = source.Stdin('')
 | 
| 17 |     source_line = SourceLine(1, s, src)
 | 
| 18 |     return Token(Id.Expr_Name, len(s), 0, source_line, None)
 | 
| 19 | 
 | 
| 20 | 
 | 
| 21 | class RegexTranslateTest(unittest.TestCase):
 | 
| 22 | 
 | 
| 23 |     def testCanonicalFlags(self):
 | 
| 24 |         reg_icase = _Name('reg_icase')
 | 
| 25 |         i = _Name('i')  # abbreviation
 | 
| 26 |         reg_newline = _Name('reg_newline')
 | 
| 27 |         bad = _Name('bad')
 | 
| 28 | 
 | 
| 29 |         flags = [EggexFlag(False, reg_icase)]
 | 
| 30 |         self.assertEqual('i', regex_translate.CanonicalFlags(flags))
 | 
| 31 | 
 | 
| 32 |         flags = [EggexFlag(False, i)]
 | 
| 33 |         self.assertEqual('i', regex_translate.CanonicalFlags(flags))
 | 
| 34 | 
 | 
| 35 |         flags = [EggexFlag(False, bad)]
 | 
| 36 |         try:
 | 
| 37 |             regex_translate.CanonicalFlags(flags)
 | 
| 38 |         except error.Parse as e:
 | 
| 39 |             print(e.UserErrorString())
 | 
| 40 |         else:
 | 
| 41 |             self.fail('Should have failed')
 | 
| 42 | 
 | 
| 43 |         order1 = [EggexFlag(False, reg_icase), EggexFlag(False, reg_newline)]
 | 
| 44 |         order2 = [EggexFlag(False, reg_newline), EggexFlag(False, reg_icase)]
 | 
| 45 | 
 | 
| 46 |         self.assertEqual('in', regex_translate.CanonicalFlags(order1))
 | 
| 47 |         self.assertEqual('in', regex_translate.CanonicalFlags(order2))
 | 
| 48 | 
 | 
| 49 | 
 | 
| 50 | if __name__ == '__main__':
 | 
| 51 |     unittest.main()
 |