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Kaydet (Commit) 22afc506 authored tarafından Serhiy Storchaka's avatar Serhiy Storchaka
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Backported additional unpickling tests from 3.x.

üst 4d2cf558
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Showing with 160 additions and 4 deletions
Lib/test/pickletester.py
Dosyayı görüntüle @ 22afc506
# -*- coding: utf-8 -*-
import unittest
import pickle
import cPickle
......@@ -108,9 +109,21 @@ class C:
def __cmp__(self, other):
return cmp(self.__dict__, other.__dict__)
class D(C):
def __init__(self, arg):
pass
class E(C):
def __getinitargs__(self):
return ()
import __main__
__main__.C = C
C.__module__ = "__main__"
__main__.D = D
D.__module__ = "__main__"
__main__.E = E
E.__module__ = "__main__"
class myint(int):
def __init__(self, x):
......@@ -426,11 +439,29 @@ class AbstractUnpickleTests(unittest.TestCase):
_testdata = create_data()
def assert_is_copy(self, obj, objcopy, msg=None):
"""Utility method to verify if two objects are copies of each others.
"""
if msg is None:
msg = "{!r} is not a copy of {!r}".format(obj, objcopy)
self.assertEqual(obj, objcopy, msg=msg)
self.assertIs(type(obj), type(objcopy), msg=msg)
if hasattr(obj, '__dict__'):
self.assertDictEqual(obj.__dict__, objcopy.__dict__, msg=msg)
self.assertIsNot(obj.__dict__, objcopy.__dict__, msg=msg)
if hasattr(obj, '__slots__'):
self.assertListEqual(obj.__slots__, objcopy.__slots__, msg=msg)
for slot in obj.__slots__:
self.assertEqual(
hasattr(obj, slot), hasattr(objcopy, slot), msg=msg)
self.assertEqual(getattr(obj, slot, None),
getattr(objcopy, slot, None), msg=msg)
def test_load_from_canned_string(self):
expected = self._testdata
for canned in DATA0, DATA1, DATA2:
got = self.loads(canned)
self.assertEqual(expected, got)
self.assert_is_copy(expected, got)
def test_garyp(self):
self.assertRaises(self.error, self.loads, 'garyp')
......@@ -452,16 +483,141 @@ class AbstractUnpickleTests(unittest.TestCase):
"'abc\"", # open quote and close quote don't match
"'abc' ?", # junk after close quote
"'\\'", # trailing backslash
"'", # issue #17710
"' ", # issue #17710
# issue #17710
"'", '"',
"' ", '" ',
'\'"', '"\'',
" ''", ' ""',
' ',
# some tests of the quoting rules
#"'abc\"\''",
#"'\\\\a\'\'\'\\\'\\\\\''",
]
for s in insecure:
buf = "S" + s + "\012p0\012."
buf = "S" + s + "\n."
self.assertRaises(ValueError, self.loads, buf)
def test_correctly_quoted_string(self):
goodpickles = [(b"S''\n.", ''),
(b'S""\n.', ''),
(b'S"\\n"\n.', '\n'),
(b"S'\\n'\n.", '\n')]
for p, expected in goodpickles:
self.assertEqual(self.loads(p), expected)
def test_load_classic_instance(self):
# See issue5180. Test loading 2.x pickles that
# contain an instance of old style class.
for X, args in [(C, ()), (D, ('x',)), (E, ())]:
xname = X.__name__.encode('ascii')
# Protocol 0 (text mode pickle):
"""
0: ( MARK
1: i INST '__main__ X' (MARK at 0)
13: p PUT 0
16: ( MARK
17: d DICT (MARK at 16)
18: p PUT 1
21: b BUILD
22: . STOP
"""
pickle0 = (b"(i__main__\n"
b"X\n"
b"p0\n"
b"(dp1\nb.").replace(b'X', xname)
self.assert_is_copy(X(*args), self.loads(pickle0))
# Protocol 1 (binary mode pickle)
"""
0: ( MARK
1: c GLOBAL '__main__ X'
13: q BINPUT 0
15: o OBJ (MARK at 0)
16: q BINPUT 1
18: } EMPTY_DICT
19: q BINPUT 2
21: b BUILD
22: . STOP
"""
pickle1 = (b'(c__main__\n'
b'X\n'
b'q\x00oq\x01}q\x02b.').replace(b'X', xname)
self.assert_is_copy(X(*args), self.loads(pickle1))
# Protocol 2 (pickle2 = b'\x80\x02' + pickle1)
"""
0: \x80 PROTO 2
2: ( MARK
3: c GLOBAL '__main__ X'
15: q BINPUT 0
17: o OBJ (MARK at 2)
18: q BINPUT 1
20: } EMPTY_DICT
21: q BINPUT 2
23: b BUILD
24: . STOP
"""
pickle2 = (b'\x80\x02(c__main__\n'
b'X\n'
b'q\x00oq\x01}q\x02b.').replace(b'X', xname)
self.assert_is_copy(X(*args), self.loads(pickle2))
def test_pop_empty_stack(self):
# Test issue7455
s = b'0'
self.assertRaises((cPickle.UnpicklingError, IndexError), self.loads, s)
def test_load_str(self):
# From Python 2: pickle.dumps('a\x00\xa0', protocol=0)
self.assertEqual(self.loads(b"S'a\\x00\\xa0'\n."), b'a\x00\xa0')
# From Python 2: pickle.dumps('a\x00\xa0', protocol=1)
self.assertEqual(self.loads(b'U\x03a\x00\xa0.'), b'a\x00\xa0')
# From Python 2: pickle.dumps('a\x00\xa0', protocol=2)
self.assertEqual(self.loads(b'\x80\x02U\x03a\x00\xa0.'), b'a\x00\xa0')
def test_load_unicode(self):
# From Python 2: pickle.dumps(u'π', protocol=0)
self.assertEqual(self.loads(b'V\\u03c0\n.'), u'π')
# From Python 2: pickle.dumps(u'π', protocol=1)
self.assertEqual(self.loads(b'X\x02\x00\x00\x00\xcf\x80.'), u'π')
# From Python 2: pickle.dumps(u'π', protocol=2)
self.assertEqual(self.loads(b'\x80\x02X\x02\x00\x00\x00\xcf\x80.'), u'π')
def test_constants(self):
self.assertIsNone(self.loads(b'N.'))
self.assertIs(self.loads(b'\x88.'), True)
self.assertIs(self.loads(b'\x89.'), False)
self.assertIs(self.loads(b'I01\n.'), True)
self.assertIs(self.loads(b'I00\n.'), False)
def test_misc_get(self):
self.assertRaises(self.error, self.loads, b'g0\np0\n')
self.assertRaises(self.error, self.loads, b'h\x00q\x00')
def test_get(self):
pickled = b'((lp100000\ng100000\nt.'
unpickled = self.loads(pickled)
self.assertEqual(unpickled, ([],)*2)
self.assertIs(unpickled[0], unpickled[1])
def test_binget(self):
pickled = b'(]q\xffh\xfft.'
unpickled = self.loads(pickled)
self.assertEqual(unpickled, ([],)*2)
self.assertIs(unpickled[0], unpickled[1])
def test_long_binget(self):
pickled = b'(]r\x00\x00\x01\x00j\x00\x00\x01\x00t.'
unpickled = self.loads(pickled)
self.assertEqual(unpickled, ([],)*2)
self.assertIs(unpickled[0], unpickled[1])
def test_dup(self):
pickled = b'((l2t.'
unpickled = self.loads(pickled)
self.assertEqual(unpickled, ([],)*2)
self.assertIs(unpickled[0], unpickled[1])
class AbstractPickleTests(unittest.TestCase):
# Subclass must define self.dumps, self.loads.
......
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