Source Code for Module lepl.lexer.lines._test.closed_bug

 1   
 2  # The contents of this file are subject to the Mozilla Public License 
 3  # (MPL) Version 1.1 (the "License"); you may not use this file except 
 4  # in compliance with the License. You may obtain a copy of the License 
 5  # at http://www.mozilla.org/MPL/ 
 6  # 
 7  # Software distributed under the License is distributed on an "AS IS" 
 8  # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 
 9  # the License for the specific language governing rights and 
10  # limitations under the License. 
11  # 
12  # The Original Code is LEPL (http://www.acooke.org/lepl) 
13  # The Initial Developer of the Original Code is Andrew Cooke. 
14  # Portions created by the Initial Developer are Copyright (C) 2009-2010 
15  # Andrew Cooke (andrew@acooke.org). All Rights Reserved. 
16  # 
17  # Alternatively, the contents of this file may be used under the terms 
18  # of the LGPL license (the GNU Lesser General Public License, 
19  # http://www.gnu.org/licenses/lgpl.html), in which case the provisions 
20  # of the LGPL License are applicable instead of those above. 
21  # 
22  # If you wish to allow use of your version of this file only under the 
23  # terms of the LGPL License and not to allow others to use your version 
24  # of this file under the MPL, indicate your decision by deleting the 
25  # provisions above and replace them with the notice and other provisions 
26  # required by the LGPL License.  If you do not delete the provisions 
27  # above, a recipient may use your version of this file under either the 
28  # MPL or the LGPL License. 
29   
30  ''' 
31  Tests related to a now-forgotten bug.  
32  ''' 
33   
34  from logging import basicConfig, DEBUG 
35  from unittest import TestCase 
36   
37  from lepl import * 
38   
39   
40 -class ClosedBugTest(TestCase): 
41       
42 -    def test_as_given(self): 
43          empty = ~Line(Empty(), indent=False) 
44          word = Token(Word()) 
45          comment = ~Line(Token('#.*'), indent=False) 
46          CLine = ContinuedLineFactory(Token(r'\\')) 
47          token = word[1:] 
48          block = Delayed() 
49          line = ((CLine(token) | block) > list) | empty | comment 
50          block += CLine((token)) & Block(line[:]) 
51          program = (line[:] & Eos()) 
52          program.config.lines(block_policy=explicit) 
53          self.run_test(program.get_parse(), False) 
54   
55 -    def test_fixed(self): 
56          #basicConfig(level=DEBUG) 
57          empty = ~Line(Empty(), indent=False) 
58          word = Token(Word()) 
59          text = word[1:] 
60          block = Delayed() 
61          line = Line(text) | block | empty 
62          block += empty | (Block(line[1:]) > list) 
63          program = Trace(block[:] & Eos()) 
64          program.config.lines(block_policy=to_right, block_start=-1) 
65          self.run_test(program.get_parse(), True) 
66           
67 -    def run_test(self, parser, ok): 
68          try: 
69              result = parser(""" 
70  a1 
71  a2 
72      b2 
73          c2 
74      b2 
75      
76      b2 
77          c2 
78                   
79             d2 
80              e2 
81      b2 
82  a3 
83      b3 
84  a4 
85  """) 
86              if ok: 
87                  assert result == [['a1', 'a2', ['b2', ['c2'], 'b2', 'b2', ['c2', ['d2', ['e2']]], 'b2'], 'a3', ['b3'], 'a4']], result 
88          except: 
89              if ok: 
90                  raise 
91              ok = True 
92          if not ok: 
93              assert False, 'expected error' 
94