Source Code for Module lepl._test.wrong_regexp_bug

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29   
30  ''' 
31  The regexp example from the tutorial is returning an error indicating that 
32  Dfa or NfaRegexp is being called. 
33  ''' 
34   
35  from unittest import TestCase 
36   
37  from lepl import * 
38   
39   
40 -class RegexpTest(TestCase): 
41       
42 -    def test_groups(self): 
43          matcher = Regexp('a*(b*)c*(d*)e*') 
44          matcher.config.clear() 
45          p = matcher.get_parse() 
46          t = p.matcher.tree() 
47          assert t == """FunctionWrapper<Regexp:<>> 
48   `- 'a*(b*)c*(d*)e*'""", t 
49          matcher.config.default() 
50          p = matcher.get_parse() 
51          t = p.matcher.tree() 
52          assert t == """TrampolineWrapper<FullFirstMatch> 
53   +- _RMemo 
54   |   `- FunctionWrapper<Regexp:<>> 
55   |       `- 'a*(b*)c*(d*)e*' 
56   `- True""", t 
57          result = p('abbcccddddeeeeee') 
58          assert result == ['bb', 'dddd'], result 
59