Source Code for Module Peach.Fixups.sequence

 1   
 2  # 
 3  # Copyright (c) 2008 Eddington and Frantz 
 4  # 
 5  # Permission is hereby granted, free of charge, to any person obtaining a copy  
 6  # of this software and associated documentation files (the "Software"), to deal 
 7  # in the Software without restriction, including without limitation the rights  
 8  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  
 9  # copies of the Software, and to permit persons to whom the Software is  
10  # furnished to do so, subject to the following conditions: 
11  # 
12  # The above copyright notice and this permission notice shall be included in     
13  # all copies or substantial portions of the Software. 
14  # 
15  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  
16  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  
17  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  
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19  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
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21  # SOFTWARE. 
22  # 
23   
24  # Authors: 
25  #   Blake Frantz (blakefrantz@gmail.com) 
26   
27  # $Id$ 
28   
29  from Peach.fixup import Fixup 
30   
31  import random 
32   
33 -class SequenceIncrementFixup(Fixup): 
34      ''' 
35      Allows a field to emit a sequential value without adding additional test cases. 
36      This is useful for sequence numbers common in network protocols. 
37      ''' 
38       
39      num = 1; 
40   
41 -    def __init__(self): 
42                  
43          Fixup.__init__(self)         
44               
45 -    def fixup(self): 
46                          
47          SequenceIncrementFixup.num += 1 
48           
49          return SequenceIncrementFixup.num 
50   
51 -class SequenceRandomFixup(Fixup): 
52      ''' 
53      Allows a field to emit a random value without adding additional test cases. 
54      This is useful for sequence numbers common in network protocols. 
55      ''' 
56   
57 -    def __init__(self): 
58                  
59          random.seed()  
60          Fixup.__init__(self)         
61               
62 -    def fixup(self): 
63           
64          return random.randint(0, (1 << 32) - 1) 
65       
66  # end 
67