1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
import cPickle
import unittest
from cStringIO import StringIO
from pickletester import AbstractPickleTests, AbstractPickleModuleTests
from test import test_support
class cPickleTests(AbstractPickleTests, AbstractPickleModuleTests):
def setUp(self):
self.dumps = cPickle.dumps
self.loads = cPickle.loads
error = cPickle.BadPickleGet
module = cPickle
class cPicklePicklerTests(AbstractPickleTests):
def dumps(self, arg, proto=0):
f = StringIO()
p = cPickle.Pickler(f, proto)
p.dump(arg)
f.seek(0)
return f.read()
def loads(self, buf):
f = StringIO(buf)
p = cPickle.Unpickler(f)
return p.load()
error = cPickle.BadPickleGet
class cPickleListPicklerTests(AbstractPickleTests):
def dumps(self, arg, proto=0):
p = cPickle.Pickler(proto)
p.dump(arg)
return p.getvalue()
def loads(self, *args):
f = StringIO(args[0])
p = cPickle.Unpickler(f)
return p.load()
error = cPickle.BadPickleGet
class cPickleFastPicklerTests(AbstractPickleTests):
def dumps(self, arg, proto=0):
f = StringIO()
p = cPickle.Pickler(f, proto)
p.fast = 1
p.dump(arg)
f.seek(0)
return f.read()
def loads(self, *args):
f = StringIO(args[0])
p = cPickle.Unpickler(f)
return p.load()
error = cPickle.BadPickleGet
def test_recursive_list(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_list,
self)
def test_recursive_inst(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_inst,
self)
def test_recursive_dict(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_dict,
self)
def test_recursive_multi(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_multi,
self)
def test_nonrecursive_deep(self):
# If it's not cyclic, it should pickle OK even if the nesting
# depth exceeds PY_CPICKLE_FAST_LIMIT. That happens to be
# 50 today. Jack Jansen reported stack overflow on Mac OS 9
# at 64.
a = []
for i in range(60):
a = [a]
b = self.loads(self.dumps(a))
self.assertEqual(a, b)
def test_main():
loader = unittest.TestLoader()
suite = unittest.TestSuite()
suite.addTest(loader.loadTestsFromTestCase(cPickleTests))
suite.addTest(loader.loadTestsFromTestCase(cPicklePicklerTests))
suite.addTest(loader.loadTestsFromTestCase(cPickleListPicklerTests))
suite.addTest(loader.loadTestsFromTestCase(cPickleFastPicklerTests))
test_support.run_suite(suite)
if __name__ == "__main__":
test_main()
|
