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Issue #22777: Test pickling with all protocols.

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This commit is contained in:
Serhiy Storchaka 2014-12-15 14:06:02 +02:00
commit 65ee4674e2
31 changed files with 704 additions and 623 deletions
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20
Lib/ctypes/test/test_pickling.py
View File

@ -14,9 +14,9 @@ class X(Structure):
class Y(X):
_fields_ = [("str", c_char_p)]
class PickleTest(unittest.TestCase):
class PickleTest:
def dumps(self, item):
return pickle.dumps(item)
return pickle.dumps(item, self.proto)
def loads(self, item):
return pickle.loads(item)
@ -67,17 +67,15 @@ class PickleTest(unittest.TestCase):
self.assertRaises(ValueError, lambda: self.dumps(item))
def test_wchar(self):
pickle.dumps(c_char(b"x"))
self.dumps(c_char(b"x"))
# Issue 5049
pickle.dumps(c_wchar("x"))
self.dumps(c_wchar("x"))
class PickleTest_1(PickleTest):
def dumps(self, item):
return pickle.dumps(item, 1)
class PickleTest_2(PickleTest):
def dumps(self, item):
return pickle.dumps(item, 2)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
name = 'PickleTest_%s' % proto
globals()[name] = type(name,
(PickleTest, unittest.TestCase),
{'proto': proto})
if __name__ == "__main__":
unittest.main()

5
Lib/test/audiotests.py
View File

@ -45,8 +45,9 @@ class AudioTests:
self.assertEqual(params.comptype, comptype)
self.assertEqual(params.compname, compname)
dump = pickle.dumps(params)
self.assertEqual(pickle.loads(dump), params)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
dump = pickle.dumps(params, proto)
self.assertEqual(pickle.loads(dump), params)
class AudioWriteTests(AudioTests):

11
Lib/test/datetimetester.py
View File

@ -1704,11 +1704,12 @@ class TestDateTime(TestDate):
def test_more_pickling(self):
a = self.theclass(2003, 2, 7, 16, 48, 37, 444116)
s = pickle.dumps(a)
b = pickle.loads(s)
self.assertEqual(b.year, 2003)
self.assertEqual(b.month, 2)
self.assertEqual(b.day, 7)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(a, proto)
b = pickle.loads(s)
self.assertEqual(b.year, 2003)
self.assertEqual(b.month, 2)
self.assertEqual(b.day, 7)
def test_pickling_subclass_datetime(self):
args = 6, 7, 23, 20, 59, 1, 64**2

7
Lib/test/seq_tests.py
View File

@ -392,6 +392,7 @@ class CommonTest(unittest.TestCase):
def test_pickle(self):
lst = self.type2test([4, 5, 6, 7])
lst2 = pickle.loads(pickle.dumps(lst))
self.assertEqual(lst2, lst)
self.assertNotEqual(id(lst2), id(lst))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
lst2 = pickle.loads(pickle.dumps(lst, proto))
self.assertEqual(lst2, lst)
self.assertNotEqual(id(lst2), id(lst))

21
Lib/test/test_array.py
View File

@ -285,17 +285,18 @@ class BaseTest:
def test_iterator_pickle(self):
data = array.array(self.typecode, self.example)
orgit = iter(data)
d = pickle.dumps(orgit)
it = pickle.loads(d)
self.assertEqual(type(orgit), type(it))
self.assertEqual(list(it), list(data))
if len(data):
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
orgit = iter(data)
d = pickle.dumps(orgit, proto)
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(list(it), list(data)[1:])
self.assertEqual(type(orgit), type(it))
self.assertEqual(list(it), list(data))
if len(data):
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(list(it), list(data)[1:])
def test_insert(self):
a = array.array(self.typecode, self.example)

7
Lib/test/test_bool.py
View File

@ -269,10 +269,9 @@ class BoolTest(unittest.TestCase):
def test_pickle(self):
import pickle
self.assertIs(pickle.loads(pickle.dumps(True)), True)
self.assertIs(pickle.loads(pickle.dumps(False)), False)
self.assertIs(pickle.loads(pickle.dumps(True, True)), True)
self.assertIs(pickle.loads(pickle.dumps(False, True)), False)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.assertIs(pickle.loads(pickle.dumps(True, proto)), True)
self.assertIs(pickle.loads(pickle.dumps(False, proto)), False)
def test_picklevalues(self):
# Test for specific backwards-compatible pickle values

25
Lib/test/test_builtin.py
View File

@ -121,9 +121,9 @@ def map_char(arg):
class BuiltinTest(unittest.TestCase):
# Helper to check picklability
def check_iter_pickle(self, it, seq):
def check_iter_pickle(self, it, seq, proto):
itorg = it
d = pickle.dumps(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), seq)
@ -134,7 +134,7 @@ class BuiltinTest(unittest.TestCase):
next(it)
except StopIteration:
return
d = pickle.dumps(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(list(it), seq[1:])
@ -636,9 +636,10 @@ class BuiltinTest(unittest.TestCase):
self.assertRaises(TypeError, list, filter(42, (1, 2)))
def test_filter_pickle(self):
f1 = filter(filter_char, "abcdeabcde")
f2 = filter(filter_char, "abcdeabcde")
self.check_iter_pickle(f1, list(f2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
f1 = filter(filter_char, "abcdeabcde")
f2 = filter(filter_char, "abcdeabcde")
self.check_iter_pickle(f1, list(f2), proto)
def test_getattr(self):
self.assertTrue(getattr(sys, 'stdout') is sys.stdout)
@ -834,9 +835,10 @@ class BuiltinTest(unittest.TestCase):
self.assertRaises(RuntimeError, list, map(badfunc, range(5)))
def test_map_pickle(self):
m1 = map(map_char, "Is this the real life?")
m2 = map(map_char, "Is this the real life?")
self.check_iter_pickle(m1, list(m2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
m1 = map(map_char, "Is this the real life?")
m2 = map(map_char, "Is this the real life?")
self.check_iter_pickle(m1, list(m2), proto)
def test_max(self):
self.assertEqual(max('123123'), '3')
@ -1433,8 +1435,9 @@ class BuiltinTest(unittest.TestCase):
a = (1, 2, 3)
b = (4, 5, 6)
t = [(1, 4), (2, 5), (3, 6)]
z1 = zip(a, b)
self.check_iter_pickle(z1, t)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
z1 = zip(a, b)
self.check_iter_pickle(z1, t, proto)
def test_format(self):
# Test the basic machinery of the format() builtin. Don't test

31
Lib/test/test_bytes.py
View File

@ -555,22 +555,23 @@ class BaseBytesTest:
self.assertEqual(b, q)
def test_iterator_pickling(self):
for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0":
it = itorg = iter(self.type2test(b))
data = list(self.type2test(b))
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), data)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
for b in b"", b"a", b"abc", b"\xffab\x80", b"\0\0\377\0\0":
it = itorg = iter(self.type2test(b))
data = list(self.type2test(b))
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), data)
it = pickle.loads(d)
try:
next(it)
except StopIteration:
continue
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(list(it), data[1:])
it = pickle.loads(d)
try:
next(it)
except StopIteration:
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(list(it), data[1:])
def test_strip(self):
b = self.type2test(b'mississippi')

10
Lib/test/test_bz2.py
View File

@ -646,8 +646,9 @@ class BZ2CompressorTest(BaseTest):
data = None
def testPickle(self):
with self.assertRaises(TypeError):
pickle.dumps(BZ2Compressor())
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.assertRaises(TypeError):
pickle.dumps(BZ2Compressor(), proto)
class BZ2DecompressorTest(BaseTest):
@ -702,8 +703,9 @@ class BZ2DecompressorTest(BaseTest):
decompressed = None
def testPickle(self):
with self.assertRaises(TypeError):
pickle.dumps(BZ2Decompressor())
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.assertRaises(TypeError):
pickle.dumps(BZ2Decompressor(), proto)
class CompressDecompressTest(BaseTest):

81
Lib/test/test_collections.py
View File

@ -63,10 +63,17 @@ class TestChainMap(unittest.TestCase):
for m1, m2 in zip(d.maps[1:], e.maps[1:]):
self.assertIs(m1, m2)
for e in [pickle.loads(pickle.dumps(d)),
copy.deepcopy(d),
# check deep copies
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
e = pickle.loads(pickle.dumps(d, proto))
self.assertEqual(d, e)
self.assertEqual(d.maps, e.maps)
self.assertIsNot(d, e)
for m1, m2 in zip(d.maps, e.maps):
self.assertIsNot(m1, m2, e)
for e in [copy.deepcopy(d),
eval(repr(d))
]: # check deep copies
]:
self.assertEqual(d, e)
self.assertEqual(d.maps, e.maps)
self.assertIsNot(d, e)
@ -1163,28 +1170,21 @@ class TestCounter(unittest.TestCase):
# Check that counters are copyable, deepcopyable, picklable, and
#have a repr/eval round-trip
words = Counter('which witch had which witches wrist watch'.split())
def check(dup):
msg = "\ncopy: %s\nwords: %s" % (dup, words)
self.assertIsNot(dup, words, msg)
self.assertEqual(dup, words)
check(words.copy())
check(copy.copy(words))
check(copy.deepcopy(words))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
check(pickle.loads(pickle.dumps(words, proto)))
check(eval(repr(words)))
update_test = Counter()
update_test.update(words)
for label, dup in [
('words.copy()', words.copy()),
('copy.copy(words)', copy.copy(words)),
('copy.deepcopy(words)', copy.deepcopy(words)),
('pickle.loads(pickle.dumps(words, 0))',
pickle.loads(pickle.dumps(words, 0))),
('pickle.loads(pickle.dumps(words, 1))',
pickle.loads(pickle.dumps(words, 1))),
('pickle.loads(pickle.dumps(words, 2))',
pickle.loads(pickle.dumps(words, 2))),
('pickle.loads(pickle.dumps(words, -1))',
pickle.loads(pickle.dumps(words, -1))),
('eval(repr(words))', eval(repr(words))),
('update_test', update_test),
('Counter(words)', Counter(words)),
]:
with self.subTest(label=label):
msg = "\ncopy: %s\nwords: %s" % (dup, words)
self.assertIsNot(dup, words, msg)
self.assertEqual(dup, words)
check(update_test)
check(Counter(words))
def test_copy_subclass(self):
class MyCounter(Counter):
@ -1501,30 +1501,21 @@ class TestOrderedDict(unittest.TestCase):
# and have a repr/eval round-trip
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
od = OrderedDict(pairs)
def check(dup):
msg = "\ncopy: %s\nod: %s" % (dup, od)
self.assertIsNot(dup, od, msg)
self.assertEqual(dup, od)
check(od.copy())
check(copy.copy(od))
check(copy.deepcopy(od))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
check(pickle.loads(pickle.dumps(od, proto)))
check(eval(repr(od)))
update_test = OrderedDict()
update_test.update(od)
for label, dup in [
('od.copy()', od.copy()),
('copy.copy(od)', copy.copy(od)),
('copy.deepcopy(od)', copy.deepcopy(od)),
('pickle.loads(pickle.dumps(od, 0))',
pickle.loads(pickle.dumps(od, 0))),
('pickle.loads(pickle.dumps(od, 1))',
pickle.loads(pickle.dumps(od, 1))),
('pickle.loads(pickle.dumps(od, 2))',
pickle.loads(pickle.dumps(od, 2))),
('pickle.loads(pickle.dumps(od, 3))',
pickle.loads(pickle.dumps(od, 3))),
('pickle.loads(pickle.dumps(od, -1))',
pickle.loads(pickle.dumps(od, -1))),
('eval(repr(od))', eval(repr(od))),
('update_test', update_test),
('OrderedDict(od)', OrderedDict(od)),
]:
with self.subTest(label=label):
msg = "\ncopy: %s\nod: %s" % (dup, od)
self.assertIsNot(dup, od, msg)
self.assertEqual(dup, od)
check(update_test)
check(OrderedDict(od))
def test_yaml_linkage(self):
# Verify that __reduce__ is setup in a way that supports PyYAML's dump() feature.

182
Lib/test/test_configparser.py
View File

@ -1619,104 +1619,113 @@ class ExceptionPicklingTestCase(unittest.TestCase):
def test_error(self):
import pickle
e1 = configparser.Error('value')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(repr(e1), repr(e2))
def test_nosectionerror(self):
import pickle
e1 = configparser.NoSectionError('section')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(repr(e1), repr(e2))
def test_nooptionerror(self):
import pickle
e1 = configparser.NoOptionError('option', 'section')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
def test_duplicatesectionerror(self):
import pickle
e1 = configparser.DuplicateSectionError('section', 'source', 123)
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
def test_duplicateoptionerror(self):
import pickle
e1 = configparser.DuplicateOptionError('section', 'option', 'source',
123)
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
def test_interpolationerror(self):
import pickle
e1 = configparser.InterpolationError('option', 'section', 'msg')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
def test_interpolationmissingoptionerror(self):
import pickle
e1 = configparser.InterpolationMissingOptionError('option', 'section',
'rawval', 'reference')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(e1.reference, e2.reference)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(e1.reference, e2.reference)
self.assertEqual(repr(e1), repr(e2))
def test_interpolationsyntaxerror(self):
import pickle
e1 = configparser.InterpolationSyntaxError('option', 'section', 'msg')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
def test_interpolationdeptherror(self):
import pickle
e1 = configparser.InterpolationDepthError('option', 'section',
'rawval')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.section, e2.section)
self.assertEqual(e1.option, e2.option)
self.assertEqual(repr(e1), repr(e2))
def test_parsingerror(self):
import pickle
@ -1724,36 +1733,39 @@ class ExceptionPicklingTestCase(unittest.TestCase):
e1.append(1, 'line1')
e1.append(2, 'line2')
e1.append(3, 'line3')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.errors, e2.errors)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.errors, e2.errors)
self.assertEqual(repr(e1), repr(e2))
e1 = configparser.ParsingError(filename='filename')
e1.append(1, 'line1')
e1.append(2, 'line2')
e1.append(3, 'line3')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.errors, e2.errors)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.errors, e2.errors)
self.assertEqual(repr(e1), repr(e2))
def test_missingsectionheadererror(self):
import pickle
e1 = configparser.MissingSectionHeaderError('filename', 123, 'line')
pickled = pickle.dumps(e1)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.line, e2.line)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
pickled = pickle.dumps(e1, proto)
e2 = pickle.loads(pickled)
self.assertEqual(e1.message, e2.message)
self.assertEqual(e1.args, e2.args)
self.assertEqual(e1.line, e2.line)
self.assertEqual(e1.source, e2.source)
self.assertEqual(e1.lineno, e2.lineno)
self.assertEqual(repr(e1), repr(e2))
class InlineCommentStrippingTestCase(unittest.TestCase):

176
Lib/test/test_decimal.py
View File

@ -2407,54 +2407,55 @@ class PythonAPItests(unittest.TestCase):
self.assertNotIsInstance(Decimal(0), numbers.Real)
def test_pickle(self):
Decimal = self.decimal.Decimal
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
Decimal = self.decimal.Decimal
savedecimal = sys.modules['decimal']
savedecimal = sys.modules['decimal']
# Round trip
sys.modules['decimal'] = self.decimal
d = Decimal('-3.141590000')
p = pickle.dumps(d)
e = pickle.loads(p)
self.assertEqual(d, e)
# Round trip
sys.modules['decimal'] = self.decimal
d = Decimal('-3.141590000')
p = pickle.dumps(d, proto)
e = pickle.loads(p)
self.assertEqual(d, e)
if C:
# Test interchangeability
x = C.Decimal('-3.123e81723')
y = P.Decimal('-3.123e81723')
if C:
# Test interchangeability
x = C.Decimal('-3.123e81723')
y = P.Decimal('-3.123e81723')
sys.modules['decimal'] = C
sx = pickle.dumps(x)
sys.modules['decimal'] = P
r = pickle.loads(sx)
self.assertIsInstance(r, P.Decimal)
self.assertEqual(r, y)
sys.modules['decimal'] = C
sx = pickle.dumps(x, proto)
sys.modules['decimal'] = P
r = pickle.loads(sx)
self.assertIsInstance(r, P.Decimal)
self.assertEqual(r, y)
sys.modules['decimal'] = P
sy = pickle.dumps(y)
sys.modules['decimal'] = C
r = pickle.loads(sy)
self.assertIsInstance(r, C.Decimal)
self.assertEqual(r, x)
sys.modules['decimal'] = P
sy = pickle.dumps(y, proto)
sys.modules['decimal'] = C
r = pickle.loads(sy)
self.assertIsInstance(r, C.Decimal)
self.assertEqual(r, x)
x = C.Decimal('-3.123e81723').as_tuple()
y = P.Decimal('-3.123e81723').as_tuple()
x = C.Decimal('-3.123e81723').as_tuple()
y = P.Decimal('-3.123e81723').as_tuple()
sys.modules['decimal'] = C
sx = pickle.dumps(x)
sys.modules['decimal'] = P
r = pickle.loads(sx)
self.assertIsInstance(r, P.DecimalTuple)
self.assertEqual(r, y)
sys.modules['decimal'] = C
sx = pickle.dumps(x, proto)
sys.modules['decimal'] = P
r = pickle.loads(sx)
self.assertIsInstance(r, P.DecimalTuple)
self.assertEqual(r, y)
sys.modules['decimal'] = P
sy = pickle.dumps(y)
sys.modules['decimal'] = C
r = pickle.loads(sy)
self.assertIsInstance(r, C.DecimalTuple)
self.assertEqual(r, x)
sys.modules['decimal'] = P
sy = pickle.dumps(y, proto)
sys.modules['decimal'] = C
r = pickle.loads(sy)
self.assertIsInstance(r, C.DecimalTuple)
self.assertEqual(r, x)
sys.modules['decimal'] = savedecimal
sys.modules['decimal'] = savedecimal
def test_int(self):
Decimal = self.decimal.Decimal
@ -2778,63 +2779,64 @@ class ContextAPItests(unittest.TestCase):
def test_pickle(self):
Context = self.decimal.Context
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
Context = self.decimal.Context
savedecimal = sys.modules['decimal']
savedecimal = sys.modules['decimal']
# Round trip
sys.modules['decimal'] = self.decimal
c = Context()
e = pickle.loads(pickle.dumps(c))
# Round trip
sys.modules['decimal'] = self.decimal
c = Context()
e = pickle.loads(pickle.dumps(c, proto))
self.assertEqual(c.prec, e.prec)
self.assertEqual(c.Emin, e.Emin)
self.assertEqual(c.Emax, e.Emax)
self.assertEqual(c.rounding, e.rounding)
self.assertEqual(c.capitals, e.capitals)
self.assertEqual(c.clamp, e.clamp)
self.assertEqual(c.flags, e.flags)
self.assertEqual(c.traps, e.traps)
self.assertEqual(c.prec, e.prec)
self.assertEqual(c.Emin, e.Emin)
self.assertEqual(c.Emax, e.Emax)
self.assertEqual(c.rounding, e.rounding)
self.assertEqual(c.capitals, e.capitals)
self.assertEqual(c.clamp, e.clamp)
self.assertEqual(c.flags, e.flags)
self.assertEqual(c.traps, e.traps)
# Test interchangeability
combinations = [(C, P), (P, C)] if C else [(P, P)]
for dumper, loader in combinations:
for ri, _ in enumerate(RoundingModes):
for fi, _ in enumerate(OrderedSignals[dumper]):
for ti, _ in enumerate(OrderedSignals[dumper]):
# Test interchangeability
combinations = [(C, P), (P, C)] if C else [(P, P)]
for dumper, loader in combinations:
for ri, _ in enumerate(RoundingModes):
for fi, _ in enumerate(OrderedSignals[dumper]):
for ti, _ in enumerate(OrderedSignals[dumper]):
prec = random.randrange(1, 100)
emin = random.randrange(-100, 0)
emax = random.randrange(1, 100)
caps = random.randrange(2)
clamp = random.randrange(2)
prec = random.randrange(1, 100)
emin = random.randrange(-100, 0)
emax = random.randrange(1, 100)
caps = random.randrange(2)
clamp = random.randrange(2)
# One module dumps
sys.modules['decimal'] = dumper
c = dumper.Context(
prec=prec, Emin=emin, Emax=emax,
rounding=RoundingModes[ri],
capitals=caps, clamp=clamp,
flags=OrderedSignals[dumper][:fi],
traps=OrderedSignals[dumper][:ti]
)
s = pickle.dumps(c)
# One module dumps
sys.modules['decimal'] = dumper
c = dumper.Context(
prec=prec, Emin=emin, Emax=emax,
rounding=RoundingModes[ri],
capitals=caps, clamp=clamp,
flags=OrderedSignals[dumper][:fi],
traps=OrderedSignals[dumper][:ti]
)
s = pickle.dumps(c, proto)
# The other module loads
sys.modules['decimal'] = loader
d = pickle.loads(s)
self.assertIsInstance(d, loader.Context)
# The other module loads
sys.modules['decimal'] = loader
d = pickle.loads(s)
self.assertIsInstance(d, loader.Context)
self.assertEqual(d.prec, prec)
self.assertEqual(d.Emin, emin)
self.assertEqual(d.Emax, emax)
self.assertEqual(d.rounding, RoundingModes[ri])
self.assertEqual(d.capitals, caps)
self.assertEqual(d.clamp, clamp)
assert_signals(self, d, 'flags', OrderedSignals[loader][:fi])
assert_signals(self, d, 'traps', OrderedSignals[loader][:ti])
self.assertEqual(d.prec, prec)
self.assertEqual(d.Emin, emin)
self.assertEqual(d.Emax, emax)
self.assertEqual(d.rounding, RoundingModes[ri])
self.assertEqual(d.capitals, caps)
self.assertEqual(d.clamp, clamp)
assert_signals(self, d, 'flags', OrderedSignals[loader][:fi])
assert_signals(self, d, 'traps', OrderedSignals[loader][:ti])
sys.modules['decimal'] = savedecimal
sys.modules['decimal'] = savedecimal
def test_equality_with_other_types(self):
Decimal = self.decimal.Decimal

41
Lib/test/test_deque.py
View File

@ -474,16 +474,17 @@ class TestBasic(unittest.TestCase):
def test_iterator_pickle(self):
data = deque(range(200))
it = itorg = iter(data)
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), list(data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
it = itorg = iter(data)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), list(data))
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(list(it), list(data)[1:])
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(list(it), list(data)[1:])
def test_deepcopy(self):
mut = [10]
@ -619,11 +620,12 @@ class TestSubclass(unittest.TestCase):
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
s = pickle.dumps(d)
e = pickle.loads(s)
self.assertNotEqual(id(d), id(e))
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(d, proto)
e = pickle.loads(s)
self.assertNotEqual(id(d), id(e))
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
d = Deque('abcde', maxlen=4)
@ -635,11 +637,12 @@ class TestSubclass(unittest.TestCase):
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
s = pickle.dumps(d)
e = pickle.loads(s)
self.assertNotEqual(id(d), id(e))
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(d, proto)
e = pickle.loads(s)
self.assertNotEqual(id(d), id(e))
self.assertEqual(type(d), type(e))
self.assertEqual(list(d), list(e))
## def test_pickle(self):
## d = Deque('abc')

91
Lib/test/test_dict.py
View File

@ -837,57 +837,60 @@ class DictTest(unittest.TestCase):
self._tracked(MyDict())
def test_iterator_pickling(self):
data = {1:"a", 2:"b", 3:"c"}
it = iter(data)
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(sorted(it), sorted(data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
data = {1:"a", 2:"b", 3:"c"}
it = iter(data)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(sorted(it), sorted(data))
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
return
d = pickle.dumps(it)
it = pickle.loads(d)
del data[drop]
self.assertEqual(sorted(it), sorted(data))
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
del data[drop]
self.assertEqual(sorted(it), sorted(data))
def test_itemiterator_pickling(self):
data = {1:"a", 2:"b", 3:"c"}
# dictviews aren't picklable, only their iterators
itorg = iter(data.items())
d = pickle.dumps(itorg)
it = pickle.loads(d)
# note that the type of type of the unpickled iterator
# is not necessarily the same as the original. It is
# merely an object supporting the iterator protocol, yielding
# the same objects as the original one.
# self.assertEqual(type(itorg), type(it))
self.assertTrue(isinstance(it, collections.abc.Iterator))
self.assertEqual(dict(it), data)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
data = {1:"a", 2:"b", 3:"c"}
# dictviews aren't picklable, only their iterators
itorg = iter(data.items())
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
# note that the type of type of the unpickled iterator
# is not necessarily the same as the original. It is
# merely an object supporting the iterator protocol, yielding
# the same objects as the original one.
# self.assertEqual(type(itorg), type(it))
self.assertIsInstance(it, collections.abc.Iterator)
self.assertEqual(dict(it), data)
it = pickle.loads(d)
drop = next(it)
d = pickle.dumps(it)
it = pickle.loads(d)
del data[drop[0]]
self.assertEqual(dict(it), data)
it = pickle.loads(d)
drop = next(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
del data[drop[0]]
self.assertEqual(dict(it), data)
def test_valuesiterator_pickling(self):
data = {1:"a", 2:"b", 3:"c"}
# data.values() isn't picklable, only its iterator
it = iter(data.values())
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(sorted(list(it)), sorted(list(data.values())))
for proto in range(pickle.HIGHEST_PROTOCOL):
data = {1:"a", 2:"b", 3:"c"}
# data.values() isn't picklable, only its iterator
it = iter(data.values())
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(sorted(list(it)), sorted(list(data.values())))
it = pickle.loads(d)
drop = next(it)
d = pickle.dumps(it)
it = pickle.loads(d)
values = list(it) + [drop]
self.assertEqual(sorted(values), sorted(list(data.values())))
it = pickle.loads(d)
drop = next(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
values = list(it) + [drop]
self.assertEqual(sorted(values), sorted(list(data.values())))
def test_instance_dict_getattr_str_subclass(self):
class Foo:

14
Lib/test/test_email/test_pickleable.py
View File

@ -30,9 +30,10 @@ class TestPickleCopyHeader(TestEmailBase):
def header_as_pickle(self, name, value):
header = self.header_factory(name, value)
p = pickle.dumps(header)
h = pickle.loads(p)
self.assertEqual(str(h), str(header))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(header, proto)
h = pickle.loads(p)
self.assertEqual(str(h), str(header))
@parameterize
@ -65,9 +66,10 @@ class TestPickleCopyMessage(TestEmailBase):
self.assertEqual(msg2.as_string(), msg.as_string())
def msg_as_pickle(self, msg):
p = pickle.dumps(msg)
msg2 = pickle.loads(p)
self.assertEqual(msg2.as_string(), msg.as_string())
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(msg, proto)
msg2 = pickle.loads(p)
self.assertEqual(msg2.as_string(), msg.as_string())
if __name__ == '__main__':

27
Lib/test/test_enumerate.py
View File

@ -66,20 +66,21 @@ class N:
class PickleTest:
# Helper to check picklability
def check_pickle(self, itorg, seq):
d = pickle.dumps(itorg)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), seq)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), seq)
it = pickle.loads(d)
try:
next(it)
except StopIteration:
self.assertFalse(seq[1:])
return
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(list(it), seq[1:])
it = pickle.loads(d)
try:
next(it)
except StopIteration:
self.assertFalse(seq[1:])
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(list(it), seq[1:])
class EnumerateTestCase(unittest.TestCase, PickleTest):

5
Lib/test/test_functools.py
View File

@ -182,8 +182,9 @@ class TestPartialC(TestPartial, unittest.TestCase):
def test_pickle(self):
f = self.partial(signature, 'asdf', bar=True)
f.add_something_to__dict__ = True
f_copy = pickle.loads(pickle.dumps(f))
self.assertEqual(signature(f), signature(f_copy))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
f_copy = pickle.loads(pickle.dumps(f, proto))
self.assertEqual(signature(f), signature(f_copy))
# Issue 6083: Reference counting bug
def test_setstate_refcount(self):

31
Lib/test/test_iter.py
View File

@ -76,22 +76,23 @@ class TestCase(unittest.TestCase):
# Helper to check picklability
def check_pickle(self, itorg, seq):
d = pickle.dumps(itorg)
it = pickle.loads(d)
# Cannot assert type equality because dict iterators unpickle as list
# iterators.
# self.assertEqual(type(itorg), type(it))
self.assertTrue(isinstance(it, collections.abc.Iterator))
self.assertEqual(list(it), seq)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
# Cannot assert type equality because dict iterators unpickle as list
# iterators.
# self.assertEqual(type(itorg), type(it))
self.assertTrue(isinstance(it, collections.abc.Iterator))
self.assertEqual(list(it), seq)
it = pickle.loads(d)
try:
next(it)
except StopIteration:
return
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(list(it), seq[1:])
it = pickle.loads(d)
try:
next(it)
except StopIteration:
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(list(it), seq[1:])
# Test basic use of iter() function
def test_iter_basic(self):

170
Lib/test/test_itertools.py
View File

@ -74,9 +74,12 @@ def testR2(r):
def underten(x):
return x<10
picklecopiers = [lambda s, proto=proto: pickle.loads(pickle.dumps(s, proto))
for proto in range(pickle.HIGHEST_PROTOCOL + 1)]
class TestBasicOps(unittest.TestCase):
def pickletest(self, it, stop=4, take=1, compare=None):
def pickletest(self, protocol, it, stop=4, take=1, compare=None):
"""Test that an iterator is the same after pickling, also when part-consumed"""
def expand(it, i=0):
# Recursively expand iterables, within sensible bounds
@ -91,7 +94,7 @@ class TestBasicOps(unittest.TestCase):
return [expand(e, i+1) for e in l]
# Test the initial copy against the original
dump = pickle.dumps(it)
dump = pickle.dumps(it, protocol)
i2 = pickle.loads(dump)
self.assertEqual(type(it), type(i2))
a, b = expand(it), expand(i2)
@ -109,7 +112,7 @@ class TestBasicOps(unittest.TestCase):
took += 1
except StopIteration:
pass #in case there is less data than 'take'
dump = pickle.dumps(i3)
dump = pickle.dumps(i3, protocol)
i4 = pickle.loads(dump)
a, b = expand(i3), expand(i4)
self.assertEqual(a, b)
@ -143,7 +146,8 @@ class TestBasicOps(unittest.TestCase):
[2, 16, 144, 720, 5040, 0, 0, 0, 0, 0])
with self.assertRaises(TypeError):
list(accumulate(s, chr)) # unary-operation
self.pickletest(accumulate(range(10))) # test pickling
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, accumulate(range(10))) # test pickling
def test_chain(self):
@ -168,9 +172,7 @@ class TestBasicOps(unittest.TestCase):
self.assertRaises(TypeError, list, chain.from_iterable([2, 3]))
def test_chain_reducible(self):
operators = [copy.deepcopy,
lambda s: pickle.loads(pickle.dumps(s))]
for oper in operators:
for oper in [copy.deepcopy] + picklecopiers:
it = chain('abc', 'def')
self.assertEqual(list(oper(it)), list('abcdef'))
self.assertEqual(next(it), 'a')
@ -179,7 +181,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(oper(chain(''))), [])
self.assertEqual(take(4, oper(chain('abc', 'def'))), list('abcd'))
self.assertRaises(TypeError, list, oper(chain(2, 3)))
self.pickletest(chain('abc', 'def'), compare=list('abcdef'))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, chain('abc', 'def'), compare=list('abcdef'))
def test_combinations(self):
self.assertRaises(TypeError, combinations, 'abc') # missing r argument
@ -187,7 +190,7 @@ class TestBasicOps(unittest.TestCase):
self.assertRaises(TypeError, combinations, None) # pool is not iterable
self.assertRaises(ValueError, combinations, 'abc', -2) # r is negative
for op in (lambda a:a, lambda a:pickle.loads(pickle.dumps(a))):
for op in [lambda a:a] + picklecopiers:
self.assertEqual(list(op(combinations('abc', 32))), []) # r > n
self.assertEqual(list(op(combinations('ABCD', 2))),
@ -258,7 +261,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(result, list(combinations2(values, r))) # matches second pure python version
self.assertEqual(result, list(combinations3(values, r))) # matches second pure python version
self.pickletest(combinations(values, r)) # test pickling
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, combinations(values, r)) # test pickling
# Test implementation detail: tuple re-use
@support.impl_detail("tuple reuse is specific to CPython")
@ -273,7 +277,7 @@ class TestBasicOps(unittest.TestCase):
self.assertRaises(TypeError, cwr, None) # pool is not iterable
self.assertRaises(ValueError, cwr, 'abc', -2) # r is negative
for op in (lambda a:a, lambda a:pickle.loads(pickle.dumps(a))):
for op in [lambda a:a] + picklecopiers:
self.assertEqual(list(op(cwr('ABC', 2))),
[('A','A'), ('A','B'), ('A','C'), ('B','B'), ('B','C'), ('C','C')])
testIntermediate = cwr('ABC', 2)
@ -339,7 +343,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(result, list(cwr1(values, r))) # matches first pure python version
self.assertEqual(result, list(cwr2(values, r))) # matches second pure python version
self.pickletest(cwr(values,r)) # test pickling
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, cwr(values,r)) # test pickling
# Test implementation detail: tuple re-use
@ -409,7 +414,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(result, list(permutations(values, None))) # test r as None
self.assertEqual(result, list(permutations(values))) # test default r
self.pickletest(permutations(values, r)) # test pickling
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, permutations(values, r)) # test pickling
@support.impl_detail("tuple reuse is specific to CPython")
def test_permutations_tuple_reuse(self):
@ -466,7 +472,7 @@ class TestBasicOps(unittest.TestCase):
self.assertRaises(TypeError, compress, range(6), None) # too many args
# check copy, deepcopy, pickle
for op in (lambda a:copy.copy(a), lambda a:copy.deepcopy(a), lambda a:pickle.loads(pickle.dumps(a))):
for op in [lambda a:copy.copy(a), lambda a:copy.deepcopy(a)] + picklecopiers:
for data, selectors, result1, result2 in [
('ABCDEF', [1,0,1,0,1,1], 'ACEF', 'CEF'),
('ABCDEF', [0,0,0,0,0,0], '', ''),
@ -517,7 +523,8 @@ class TestBasicOps(unittest.TestCase):
c = count(value)
self.assertEqual(next(copy.copy(c)), value)
self.assertEqual(next(copy.deepcopy(c)), value)
self.pickletest(count(value))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, count(value))
#check proper internal error handling for large "step' sizes
count(1, maxsize+5); sys.exc_info()
@ -564,7 +571,8 @@ class TestBasicOps(unittest.TestCase):
else:
r2 = ('count(%r, %r)' % (i, j))
self.assertEqual(r1, r2)
self.pickletest(count(i, j))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, count(i, j))
def test_cycle(self):
self.assertEqual(take(10, cycle('abc')), list('abcabcabca'))
@ -580,10 +588,16 @@ class TestBasicOps(unittest.TestCase):
#an internal iterator
#self.assertEqual(take(10, copy.copy(c)), list('bcabcabcab'))
self.assertEqual(take(10, copy.deepcopy(c)), list('bcabcabcab'))
self.assertEqual(take(10, pickle.loads(pickle.dumps(c))), list('bcabcabcab'))
next(c)
self.assertEqual(take(10, pickle.loads(pickle.dumps(c))), list('cabcabcabc'))
self.pickletest(cycle('abc'))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.assertEqual(take(10, pickle.loads(pickle.dumps(c, proto))),
list('bcabcabcab'))
next(c)
self.assertEqual(take(10, pickle.loads(pickle.dumps(c, proto))),
list('cabcabcabc'))
next(c)
next(c)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, cycle('abc'))
def test_groupby(self):
# Check whether it accepts arguments correctly
@ -604,12 +618,13 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(s, dup)
# Check normal pickled
dup = []
for k, g in pickle.loads(pickle.dumps(groupby(s, testR))):
for elem in g:
self.assertEqual(k, elem[0])
dup.append(elem)
self.assertEqual(s, dup)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
dup = []
for k, g in pickle.loads(pickle.dumps(groupby(s, testR), proto)):
for elem in g:
self.assertEqual(k, elem[0])
dup.append(elem)
self.assertEqual(s, dup)
# Check nested case
dup = []
@ -622,14 +637,15 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(s, dup)
# Check nested and pickled
dup = []
for k, g in pickle.loads(pickle.dumps(groupby(s, testR))):
for ik, ig in pickle.loads(pickle.dumps(groupby(g, testR2))):
for elem in ig:
self.assertEqual(k, elem[0])
self.assertEqual(ik, elem[2])
dup.append(elem)
self.assertEqual(s, dup)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
dup = []
for k, g in pickle.loads(pickle.dumps(groupby(s, testR), proto)):
for ik, ig in pickle.loads(pickle.dumps(groupby(g, testR2), proto)):
for elem in ig:
self.assertEqual(k, elem[0])
self.assertEqual(ik, elem[2])
dup.append(elem)
self.assertEqual(s, dup)
# Check case where inner iterator is not used
@ -711,12 +727,14 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(copy.copy(c)), ans)
c = filter(isEven, range(6))
self.assertEqual(list(copy.deepcopy(c)), ans)
c = filter(isEven, range(6))
self.assertEqual(list(pickle.loads(pickle.dumps(c))), ans)
next(c)
self.assertEqual(list(pickle.loads(pickle.dumps(c))), ans[1:])
c = filter(isEven, range(6))
self.pickletest(c)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
c = filter(isEven, range(6))
self.assertEqual(list(pickle.loads(pickle.dumps(c, proto))), ans)
next(c)
self.assertEqual(list(pickle.loads(pickle.dumps(c, proto))), ans[1:])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
c = filter(isEven, range(6))
self.pickletest(proto, c)
def test_filterfalse(self):
self.assertEqual(list(filterfalse(isEven, range(6))), [1,3,5])
@ -728,7 +746,8 @@ class TestBasicOps(unittest.TestCase):
self.assertRaises(TypeError, filterfalse, lambda x:x, range(6), 7)
self.assertRaises(TypeError, filterfalse, isEven, 3)
self.assertRaises(TypeError, next, filterfalse(range(6), range(6)))
self.pickletest(filterfalse(isEven, range(6)))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, filterfalse(isEven, range(6)))
def test_zip(self):
# XXX This is rather silly now that builtin zip() calls zip()...
@ -760,15 +779,18 @@ class TestBasicOps(unittest.TestCase):
ans = [(x,y) for x, y in copy.deepcopy(zip('abc',count()))]
self.assertEqual(ans, [('a', 0), ('b', 1), ('c', 2)])
ans = [(x,y) for x, y in pickle.loads(pickle.dumps(zip('abc',count())))]
self.assertEqual(ans, [('a', 0), ('b', 1), ('c', 2)])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
ans = [(x,y) for x, y in pickle.loads(pickle.dumps(zip('abc',count()), proto))]
self.assertEqual(ans, [('a', 0), ('b', 1), ('c', 2)])
testIntermediate = zip('abc',count())
next(testIntermediate)
ans = [(x,y) for x, y in pickle.loads(pickle.dumps(testIntermediate))]
self.assertEqual(ans, [('b', 1), ('c', 2)])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
testIntermediate = zip('abc',count())
next(testIntermediate)
ans = [(x,y) for x, y in pickle.loads(pickle.dumps(testIntermediate, proto))]
self.assertEqual(ans, [('b', 1), ('c', 2)])
self.pickletest(zip('abc', count()))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, zip('abc', count()))
def test_ziplongest(self):
for args in [
@ -820,10 +842,11 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(len(dict.fromkeys(ids)), len(ids))
def test_zip_longest_pickling(self):
self.pickletest(zip_longest("abc", "def"))
self.pickletest(zip_longest("abc", "defgh"))
self.pickletest(zip_longest("abc", "defgh", fillvalue=1))
self.pickletest(zip_longest("", "defgh"))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, zip_longest("abc", "def"))
self.pickletest(proto, zip_longest("abc", "defgh"))
self.pickletest(proto, zip_longest("abc", "defgh", fillvalue=1))
self.pickletest(proto, zip_longest("", "defgh"))
def test_bug_7244(self):
@ -940,7 +963,8 @@ class TestBasicOps(unittest.TestCase):
]:
self.assertEqual(list(copy.copy(product(*args))), result)
self.assertEqual(list(copy.deepcopy(product(*args))), result)
self.pickletest(product(*args))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, product(*args))
def test_repeat(self):
self.assertEqual(list(repeat(object='a', times=3)), ['a', 'a', 'a'])
@ -965,7 +989,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(next(c), 'a')
self.assertEqual(take(2, copy.copy(c)), list('a' * 2))
self.assertEqual(take(2, copy.deepcopy(c)), list('a' * 2))
self.pickletest(repeat(object='a', times=10))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, repeat(object='a', times=10))
def test_repeat_with_negative_times(self):
self.assertEqual(repr(repeat('a', -1)), "repeat('a', 0)")
@ -999,8 +1024,9 @@ class TestBasicOps(unittest.TestCase):
c = map(tupleize, 'abc', count())
self.assertEqual(list(copy.deepcopy(c)), ans)
c = map(tupleize, 'abc', count())
self.pickletest(c)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
c = map(tupleize, 'abc', count())
self.pickletest(proto, c)
def test_starmap(self):
self.assertEqual(list(starmap(operator.pow, zip(range(3), range(1,7)))),
@ -1025,8 +1051,9 @@ class TestBasicOps(unittest.TestCase):
c = starmap(operator.pow, zip(range(3), range(1,7)))
self.assertEqual(list(copy.deepcopy(c)), ans)
c = starmap(operator.pow, zip(range(3), range(1,7)))
self.pickletest(c)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
c = starmap(operator.pow, zip(range(3), range(1,7)))
self.pickletest(proto, c)
def test_islice(self):
for args in [ # islice(args) should agree with range(args)
@ -1091,7 +1118,8 @@ class TestBasicOps(unittest.TestCase):
list(range(*args)))
self.assertEqual(list(copy.deepcopy(islice(range(100), *args))),
list(range(*args)))
self.pickletest(islice(range(100), *args))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, islice(range(100), *args))
# Issue #21321: check source iterator is not referenced
# from islice() after the latter has been exhausted
@ -1120,7 +1148,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(copy.copy(takewhile(underten, data))), [1, 3, 5])
self.assertEqual(list(copy.deepcopy(takewhile(underten, data))),
[1, 3, 5])
self.pickletest(takewhile(underten, data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, takewhile(underten, data))
def test_dropwhile(self):
data = [1, 3, 5, 20, 2, 4, 6, 8]
@ -1136,7 +1165,8 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(copy.copy(dropwhile(underten, data))), [20, 2, 4, 6, 8])
self.assertEqual(list(copy.deepcopy(dropwhile(underten, data))),
[20, 2, 4, 6, 8])
self.pickletest(dropwhile(underten, data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, dropwhile(underten, data))
def test_tee(self):
n = 200
@ -1280,10 +1310,11 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(b), long_ans[60:])
# check pickle
self.pickletest(iter(tee('abc')))
a, b = tee('abc')
self.pickletest(a, compare=ans)
self.pickletest(b, compare=ans)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.pickletest(proto, iter(tee('abc')))
a, b = tee('abc')
self.pickletest(proto, a, compare=ans)
self.pickletest(proto, b, compare=ans)
# Issue 13454: Crash when deleting backward iterator from tee()
def test_tee_del_backward(self):
@ -1323,11 +1354,14 @@ class TestExamples(unittest.TestCase):
# check copy, deepcopy, pickle
data = [1, 2, 3, 4, 5]
accumulated = [1, 3, 6, 10, 15]
it = accumulate(data)
self.assertEqual(list(pickle.loads(pickle.dumps(it))), accumulated[:])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
it = accumulate(data)
self.assertEqual(list(pickle.loads(pickle.dumps(it, proto))), accumulated[:])
self.assertEqual(next(it), 1)
self.assertEqual(list(pickle.loads(pickle.dumps(it, proto))), accumulated[1:])
it = accumulate(data)
self.assertEqual(next(it), 1)
self.assertEqual(list(pickle.loads(pickle.dumps(it))), accumulated[1:])
self.assertEqual(list(copy.deepcopy(it)), accumulated[1:])
self.assertEqual(list(copy.copy(it)), accumulated[1:])

38
Lib/test/test_list.py
View File

@ -74,29 +74,31 @@ class ListTest(list_tests.CommonTest):
# Userlist iterators don't support pickling yet since
# they are based on generators.
data = self.type2test([4, 5, 6, 7])
it = itorg = iter(data)
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
it = itorg = iter(data)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(data))
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(self.type2test(it), self.type2test(data)[1:])
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(self.type2test(it), self.type2test(data)[1:])
def test_reversed_pickle(self):
data = self.type2test([4, 5, 6, 7])
it = itorg = reversed(data)
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(reversed(data)))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
it = itorg = reversed(data)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(reversed(data)))
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(self.type2test(it), self.type2test(reversed(data))[1:])
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(self.type2test(it), self.type2test(reversed(data))[1:])
def test_no_comdat_folding(self):
# Issue 8847: In the PGO build, the MSVC linker's COMDAT folding

9
Lib/test/test_lzma.py
View File

@ -220,10 +220,11 @@ class CompressorDecompressorTestCase(unittest.TestCase):
# Pickling raises an exception; there's no way to serialize an lzma_stream.
def test_pickle(self):
with self.assertRaises(TypeError):
pickle.dumps(LZMACompressor())
with self.assertRaises(TypeError):
pickle.dumps(LZMADecompressor())
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.assertRaises(TypeError):
pickle.dumps(LZMACompressor(), proto)
with self.assertRaises(TypeError):
pickle.dumps(LZMADecompressor(), proto)
class CompressDecompressFunctionTestCase(unittest.TestCase):

3
Lib/test/test_memoryio.py
View File

@ -367,13 +367,14 @@ class MemoryTestMixin:
# the module-level.
import __main__
PickleTestMemIO.__module__ = '__main__'
PickleTestMemIO.__qualname__ = PickleTestMemIO.__name__
__main__.PickleTestMemIO = PickleTestMemIO
submemio = PickleTestMemIO(buf, 80)
submemio.seek(2)
# We only support pickle protocol 2 and onward since we use extended
# __reduce__ API of PEP 307 to provide pickling support.
for proto in range(2, pickle.HIGHEST_PROTOCOL):
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
for obj in (memio, submemio):
obj2 = pickle.loads(pickle.dumps(obj, protocol=proto))
self.assertEqual(obj.getvalue(), obj2.getvalue())

75
Lib/test/test_minidom.py
View File

@ -1468,43 +1468,44 @@ class MinidomTest(unittest.TestCase):
" <!ENTITY ent SYSTEM 'http://xml.python.org/entity'>\n"
"]><doc attr='value'> text\n"
"<?pi sample?> <!-- comment --> <e/> </doc>")
s = pickle.dumps(doc)
doc2 = pickle.loads(s)
stack = [(doc, doc2)]
while stack:
n1, n2 = stack.pop()
self.confirm(n1.nodeType == n2.nodeType
and len(n1.childNodes) == len(n2.childNodes)
and n1.nodeName == n2.nodeName
and not n1.isSameNode(n2)
and not n2.isSameNode(n1))
if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
len(n1.entities)
len(n2.entities)
len(n1.notations)
len(n2.notations)
self.confirm(len(n1.entities) == len(n2.entities)
and len(n1.notations) == len(n2.notations))
for i in range(len(n1.notations)):
# XXX this loop body doesn't seem to be executed?
no1 = n1.notations.item(i)
no2 = n1.notations.item(i)
self.confirm(no1.name == no2.name
and no1.publicId == no2.publicId
and no1.systemId == no2.systemId)
stack.append((no1, no2))
for i in range(len(n1.entities)):
e1 = n1.entities.item(i)
e2 = n2.entities.item(i)
self.confirm(e1.notationName == e2.notationName
and e1.publicId == e2.publicId
and e1.systemId == e2.systemId)
stack.append((e1, e2))
if n1.nodeType != Node.DOCUMENT_NODE:
self.confirm(n1.ownerDocument.isSameNode(doc)
and n2.ownerDocument.isSameNode(doc2))
for i in range(len(n1.childNodes)):
stack.append((n1.childNodes[i], n2.childNodes[i]))
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(doc, proto)
doc2 = pickle.loads(s)
stack = [(doc, doc2)]
while stack:
n1, n2 = stack.pop()
self.confirm(n1.nodeType == n2.nodeType
and len(n1.childNodes) == len(n2.childNodes)
and n1.nodeName == n2.nodeName
and not n1.isSameNode(n2)
and not n2.isSameNode(n1))
if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
len(n1.entities)
len(n2.entities)
len(n1.notations)
len(n2.notations)
self.confirm(len(n1.entities) == len(n2.entities)
and len(n1.notations) == len(n2.notations))
for i in range(len(n1.notations)):
# XXX this loop body doesn't seem to be executed?
no1 = n1.notations.item(i)
no2 = n1.notations.item(i)
self.confirm(no1.name == no2.name
and no1.publicId == no2.publicId
and no1.systemId == no2.systemId)
stack.append((no1, no2))
for i in range(len(n1.entities)):
e1 = n1.entities.item(i)
e2 = n2.entities.item(i)
self.confirm(e1.notationName == e2.notationName
and e1.publicId == e2.publicId
and e1.systemId == e2.systemId)
stack.append((e1, e2))
if n1.nodeType != Node.DOCUMENT_NODE:
self.confirm(n1.ownerDocument.isSameNode(doc)
and n2.ownerDocument.isSameNode(doc2))
for i in range(len(n1.childNodes)):
stack.append((n1.childNodes[i], n2.childNodes[i]))
def testSerializeCommentNodeWithDoubleHyphen(self):
doc = create_doc_without_doctype()

22
Lib/test/test_os.py
View File

@ -293,10 +293,13 @@ class StatAttributeTests(unittest.TestCase):
def test_stat_result_pickle(self):
result = os.stat(self.fname)
p = pickle.dumps(result)
self.assertIn(b'\x03cos\nstat_result\n', p)
unpickled = pickle.loads(p)
self.assertEqual(result, unpickled)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(result, proto)
self.assertIn(b'stat_result', p)
if proto < 4:
self.assertIn(b'cos\nstat_result\n', p)
unpickled = pickle.loads(p)
self.assertEqual(result, unpickled)
@unittest.skipUnless(hasattr(os, 'statvfs'), 'test needs os.statvfs()')
def test_statvfs_attributes(self):
@ -352,10 +355,13 @@ class StatAttributeTests(unittest.TestCase):
if e.errno == errno.ENOSYS:
self.skipTest('os.statvfs() failed with ENOSYS')
p = pickle.dumps(result)
self.assertIn(b'\x03cos\nstatvfs_result\n', p)
unpickled = pickle.loads(p)
self.assertEqual(result, unpickled)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(result, proto)
self.assertIn(b'statvfs_result', p)
if proto < 4:
self.assertIn(b'cos\nstatvfs_result\n', p)
unpickled = pickle.loads(p)
self.assertEqual(result, unpickled)
def test_utime_dir(self):
delta = 1000000

14
Lib/test/test_random.py
View File

@ -159,11 +159,12 @@ class TestBasicOps:
self.assertEqual(y1, y2)
def test_pickling(self):
state = pickle.dumps(self.gen)
origseq = [self.gen.random() for i in range(10)]
newgen = pickle.loads(state)
restoredseq = [newgen.random() for i in range(10)]
self.assertEqual(origseq, restoredseq)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
state = pickle.dumps(self.gen, proto)
origseq = [self.gen.random() for i in range(10)]
newgen = pickle.loads(state)
restoredseq = [newgen.random() for i in range(10)]
self.assertEqual(origseq, restoredseq)
def test_bug_1727780(self):
# verify that version-2-pickles can be loaded
@ -215,7 +216,8 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
self.assertEqual(self.gen.gauss_next, None)
def test_pickling(self):
self.assertRaises(NotImplementedError, pickle.dumps, self.gen)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
self.assertRaises(NotImplementedError, pickle.dumps, self.gen, proto)
def test_53_bits_per_float(self):
# This should pass whenever a C double has 53 bit precision.

46
Lib/test/test_range.py
View File

@ -366,7 +366,7 @@ class RangeTest(unittest.TestCase):
it = itorg = iter(range(*t))
data = list(range(*t))
d = pickle.dumps(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(list(it), data)
@ -376,33 +376,35 @@ class RangeTest(unittest.TestCase):
next(it)
except StopIteration:
continue
d = pickle.dumps(it)
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(list(it), data[1:])
def test_exhausted_iterator_pickling(self):
r = range(2**65, 2**65+2)
i = iter(r)
while True:
r = next(i)
if r == 2**65+1:
break
d = pickle.dumps(i)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
r = range(2**65, 2**65+2)
i = iter(r)
while True:
r = next(i)
if r == 2**65+1:
break
d = pickle.dumps(i, proto)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
def test_large_exhausted_iterator_pickling(self):
r = range(20)
i = iter(r)
while True:
r = next(i)
if r == 19:
break
d = pickle.dumps(i)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
r = range(20)
i = iter(r)
while True:
r = next(i)
if r == 19:
break
d = pickle.dumps(i, proto)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
def test_odd_bug(self):
# This used to raise a "SystemError: NULL result without error"

46
Lib/test/test_set.py
View File

@ -231,29 +231,30 @@ class TestJointOps:
self.assertEqual(self.s, dup, "%s != %s" % (self.s, dup))
if type(self.s) not in (set, frozenset):
self.s.x = 10
p = pickle.dumps(self.s)
p = pickle.dumps(self.s, i)
dup = pickle.loads(p)
self.assertEqual(self.s.x, dup.x)
def test_iterator_pickling(self):
itorg = iter(self.s)
data = self.thetype(self.s)
d = pickle.dumps(itorg)
it = pickle.loads(d)
# Set iterators unpickle as list iterators due to the
# undefined order of set items.
# self.assertEqual(type(itorg), type(it))
self.assertTrue(isinstance(it, collections.abc.Iterator))
self.assertEqual(self.thetype(it), data)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
itorg = iter(self.s)
data = self.thetype(self.s)
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
# Set iterators unpickle as list iterators due to the
# undefined order of set items.
# self.assertEqual(type(itorg), type(it))
self.assertIsInstance(it, collections.abc.Iterator)
self.assertEqual(self.thetype(it), data)
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
return
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(self.thetype(it), data - self.thetype((drop,)))
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(self.thetype(it), data - self.thetype((drop,)))
def test_deepcopy(self):
class Tracer:
@ -851,10 +852,11 @@ class TestBasicOps:
self.assertEqual(setiter.__length_hint__(), len(self.set))
def test_pickling(self):
p = pickle.dumps(self.set)
copy = pickle.loads(p)
self.assertEqual(self.set, copy,
"%s != %s" % (self.set, copy))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(self.set, proto)
copy = pickle.loads(p)
self.assertEqual(self.set, copy,
"%s != %s" % (self.set, copy))
#------------------------------------------------------------------------------

5
Lib/test/test_sndhdr.py
View File

@ -28,8 +28,9 @@ class TestFormats(unittest.TestCase):
def test_pickleable(self):
filename = findfile('sndhdr.aifc', subdir="sndhdrdata")
what = sndhdr.what(filename)
dump = pickle.dumps(what)
self.assertEqual(pickle.loads(dump), what)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
dump = pickle.dumps(what, proto)
self.assertEqual(pickle.loads(dump), what)
if __name__ == '__main__':

38
Lib/test/test_tuple.py
View File

@ -174,29 +174,31 @@ class TupleTest(seq_tests.CommonTest):
# Userlist iterators don't support pickling yet since
# they are based on generators.
data = self.type2test([4, 5, 6, 7])
itorg = iter(data)
d = pickle.dumps(itorg)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(data))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
itorg = iter(data)
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(data))
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(self.type2test(it), self.type2test(data)[1:])
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(self.type2test(it), self.type2test(data)[1:])
def test_reversed_pickle(self):
data = self.type2test([4, 5, 6, 7])
itorg = reversed(data)
d = pickle.dumps(itorg)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(reversed(data)))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
itorg = reversed(data)
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
self.assertEqual(type(itorg), type(it))
self.assertEqual(self.type2test(it), self.type2test(reversed(data)))
it = pickle.loads(d)
next(it)
d = pickle.dumps(it)
self.assertEqual(self.type2test(it), self.type2test(reversed(data))[1:])
it = pickle.loads(d)
next(it)
d = pickle.dumps(it, proto)
self.assertEqual(self.type2test(it), self.type2test(reversed(data))[1:])
def test_no_comdat_folding(self):
# Issue 8847: In the PGO build, the MSVC linker's COMDAT folding

23
Lib/test/test_xml_dom_minicompat.py
View File

@ -84,18 +84,19 @@ class NodeListTestCase(unittest.TestCase):
def test_nodelist_pickle_roundtrip(self):
# Test pickling and unpickling of a NodeList.
# Empty NodeList.
node_list = NodeList()
pickled = pickle.dumps(node_list)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled, node_list)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
# Empty NodeList.
node_list = NodeList()
pickled = pickle.dumps(node_list, proto)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled, node_list)
# Non-empty NodeList.
node_list.append(1)
node_list.append(2)
pickled = pickle.dumps(node_list)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled, node_list)
# Non-empty NodeList.
node_list.append(1)
node_list.append(2)
pickled = pickle.dumps(node_list, proto)
unpickled = pickle.loads(pickled)
self.assertEqual(unpickled, node_list)
if __name__ == '__main__':
unittest.main()

53
Lib/test/test_xml_etree.py
View File

@ -121,11 +121,11 @@ class ElementTestCase:
def setUpClass(cls):
cls.modules = {pyET, ET}
def pickleRoundTrip(self, obj, name, dumper, loader):
def pickleRoundTrip(self, obj, name, dumper, loader, proto):
save_m = sys.modules[name]
try:
sys.modules[name] = dumper
temp = pickle.dumps(obj)
temp = pickle.dumps(obj, proto)
sys.modules[name] = loader
result = pickle.loads(temp)
except pickle.PicklingError as pe:
@ -1677,33 +1677,36 @@ class BasicElementTest(ElementTestCase, unittest.TestCase):
def test_pickle(self):
# issue #16076: the C implementation wasn't pickleable.
for dumper, loader in product(self.modules, repeat=2):
e = dumper.Element('foo', bar=42)
e.text = "text goes here"
e.tail = "opposite of head"
dumper.SubElement(e, 'child').append(dumper.Element('grandchild'))
e.append(dumper.Element('child'))
e.findall('.//grandchild')[0].set('attr', 'other value')
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
for dumper, loader in product(self.modules, repeat=2):
e = dumper.Element('foo', bar=42)
e.text = "text goes here"
e.tail = "opposite of head"
dumper.SubElement(e, 'child').append(dumper.Element('grandchild'))
e.append(dumper.Element('child'))
e.findall('.//grandchild')[0].set('attr', 'other value')
e2 = self.pickleRoundTrip(e, 'xml.etree.ElementTree',
dumper, loader)
e2 = self.pickleRoundTrip(e, 'xml.etree.ElementTree',
dumper, loader, proto)
self.assertEqual(e2.tag, 'foo')
self.assertEqual(e2.attrib['bar'], 42)
self.assertEqual(len(e2), 2)
self.assertEqualElements(e, e2)
self.assertEqual(e2.tag, 'foo')
self.assertEqual(e2.attrib['bar'], 42)
self.assertEqual(len(e2), 2)
self.assertEqualElements(e, e2)
def test_pickle_issue18997(self):
for dumper, loader in product(self.modules, repeat=2):
XMLTEXT = """<?xml version="1.0"?>
<group><dogs>4</dogs>
</group>"""
e1 = dumper.fromstring(XMLTEXT)
if hasattr(e1, '__getstate__'):
self.assertEqual(e1.__getstate__()['tag'], 'group')
e2 = self.pickleRoundTrip(e1, 'xml.etree.ElementTree', dumper, loader)
self.assertEqual(e2.tag, 'group')
self.assertEqual(e2[0].tag, 'dogs')
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
for dumper, loader in product(self.modules, repeat=2):
XMLTEXT = """<?xml version="1.0"?>
<group><dogs>4</dogs>
</group>"""
e1 = dumper.fromstring(XMLTEXT)
if hasattr(e1, '__getstate__'):
self.assertEqual(e1.__getstate__()['tag'], 'group')
e2 = self.pickleRoundTrip(e1, 'xml.etree.ElementTree',
dumper, loader, proto)
self.assertEqual(e2.tag, 'group')
self.assertEqual(e2[0].tag, 'dogs')
class ElementTreeTypeTest(unittest.TestCase):