Source Code for Module lepl.regexp._test.interval

  1   
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 12  # The Original Code is LEPL (http://www.acooke.org/lepl) 
 13  # The Initial Developer of the Original Code is Andrew Cooke. 
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 29   
 30  ''' 
 31  Tests for the lepl.regexp.interval module. 
 32  ''' 
 33   
 34  from logging import basicConfig, DEBUG 
 35  from unittest import TestCase, TestLoader, TextTestRunner 
 36   
 37  from lepl.lexer.matchers import Token 
 38  from lepl.matchers.core import Any 
 39  from lepl.matchers.derived import Eos, Word 
 40  from lepl.regexp.interval import IntervalMap, TaggedFragments, Character 
 41  from lepl.regexp.unicode import UnicodeAlphabet 
 42   
 43   
 44  UNICODE = UnicodeAlphabet.instance() 
 45   
 46   
 47  # pylint: disable-msg=C0103, C0111, C0301, C0324 
 48  # (dude this is just a test) 
 49   
 50   
 51 -class IntervalMapTest(TestCase): 
 52       
 53 -    def test_single(self): 
 54          m = IntervalMap() 
 55          m[(1,2)] = 12 
 56          assert m[0] == None, m[0] 
 57          assert m[1] == 12, m[1] 
 58          assert m[1.5] == 12, m[1.5] 
 59          assert m[2] == 12, m[2] 
 60          assert m[3] == None, m[3] 
 61       
 62 -    def test_multiple(self): 
 63          m = IntervalMap() 
 64          m[(1,2)] = 12 
 65          m[(4,5)] = 45 
 66          for (i, v) in [(0, None), (1, 12), (2, 12),  
 67                         (3, None), (4, 45), (5, 45), (6, None)]: 
 68              assert m[i] == v, (i, m[i]) 
 69   
 70 -    def test_delete(self): 
 71          m = IntervalMap() 
 72          m[(1,2)] = 12 
 73          m[(4,5)] = 45 
 74          for (i, v) in [(0, None), (1, 12), (2, 12),  
 75                         (3, None), (4, 45), (5, 45), (6, None)]: 
 76              assert m[i] == v, (i, m[i]) 
 77          del m[(1,2)] 
 78          for (i, v) in [(0, None), (1, None), (2, None),  
 79                         (3, None), (4, 45), (5, 45), (6, None)]: 
 80              assert m[i] == v, (i, m[i]) 
 81           
 82           
 83 -class TaggedFragmentsTest(TestCase): 
 84       
 85 -    def test_single(self): 
 86          m = TaggedFragments(UNICODE) 
 87          m.append(Character([('b', 'c')], UNICODE), 'bc') 
 88          l = list(m) 
 89          assert l == [(('b', 'c'), ['bc'])], l 
 90           
 91 -    def test_overlap(self): 
 92          m = TaggedFragments(UNICODE) 
 93          m.append(Character([('b', 'd')], UNICODE), 'bd') 
 94          m.append(Character([('c', 'e')], UNICODE), 'ce') 
 95          l = list(m) 
 96          assert l == [(('b', 'b'), ['bd']),  
 97                       (('c', 'd'), ['bd', 'ce']),  
 98                       (('e', 'e'), ['ce'])], l 
 99   
100   
101 -class UnicodeBugTest(TestCase): 
102   
103 -    def test_bug(self): 
104          #basicConfig(level=DEBUG) 
105          t = Token(Word())(Any()[2] & Eos())                                
106          t.match("ab cd") 
107   
108   
109  if __name__ == '__main__': 
110      suite = TestLoader().loadTestsFromTestCase(UnicodeBugTest) 
111      TextTestRunner(verbosity=2).run(suite) 
112