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Merged
youknowone merged 1 commit into from
Jun 2, 2026
Merged

Update test_super.py to 3.14.5 #8015

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94 changes: 81 additions & 13 deletions Lib/test/test_super.py
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Original file line number Diff line number Diff line change
@@ -1,15 +1,14 @@
"""Unit tests for zero-argument super() & related machinery."""

import copy
import pickle
import textwrap
import threading
import unittest
from unittest.mock import patch
from test.support import import_helper, threading_helper


ADAPTIVE_WARMUP_DELAY = 2


class A:
def f(self):
return 'A'
Expand Down Expand Up @@ -91,8 +90,7 @@ def nested():

self.assertEqual(E().f(), 'AE')

# TODO: RUSTPYTHON; SyntaxError: name '__class__' is assigned to before global declaration
'''
@unittest.expectedFailure # TODO: RUSTPYTHON
def test_various___class___pathologies(self):
# See issue #12370
class X(A):
Expand All @@ -114,20 +112,19 @@ def f():
__class__""", globals(), {})
self.assertIs(type(e.exception), NameError) # Not UnboundLocalError
class X:
global __class__
# global __class__ # TODO: RUSTPYTHON; SyntaxError: name '__class__' is assigned to before global declaration
__class__ = 42
def f():
__class__
self.assertEqual(globals()["__class__"], 42)
del globals()["__class__"]
self.assertNotIn("__class__", X.__dict__)
class X:
nonlocal __class__
# nonlocal __class__ # TODO: RUSTPYTHON; SyntaxError: name '__class__' is assigned to before nonlocal declaration
__class__ = 42
def f():
__class__
self.assertEqual(__class__, 42)
'''

def test___class___instancemethod(self):
# See issue #14857
Expand Down Expand Up @@ -191,7 +188,7 @@ def f():
B = type("B", (), test_namespace)
self.assertIs(B.f(), B)

@unittest.expectedFailure # TODO: RUSTPYTHON
@unittest.expectedFailure # TODO: RUSTPYTHON
def test___class___mro(self):
# See issue #23722
test_class = None
Expand Down Expand Up @@ -449,7 +446,7 @@ def method(self):

self.assertEqual(C().method(), super)

@unittest.expectedFailure # TODO: RUSTPYTHON; TypeError: type 'super' is not an acceptable base type
@unittest.expectedFailure # TODO: RUSTPYTHON; TypeError: type 'super' is not an acceptable base type
def test_super_subclass___class__(self):
class mysuper(super):
pass
Expand All @@ -469,7 +466,8 @@ def test(name):
super(MyType, type(mytype)).__setattr__(mytype, "bar", 1)
self.assertEqual(mytype.bar, 1)

for _ in range(ADAPTIVE_WARMUP_DELAY):
_testinternalcapi = import_helper.import_module("_testinternalcapi")
for _ in range(_testinternalcapi.SPECIALIZATION_THRESHOLD):
test("foo1")

def test_reassigned_new(self):
Expand All @@ -488,7 +486,8 @@ class C(B):
def __new__(cls):
return super().__new__(cls)

for _ in range(ADAPTIVE_WARMUP_DELAY):
_testinternalcapi = import_helper.import_module("_testinternalcapi")
for _ in range(_testinternalcapi.SPECIALIZATION_THRESHOLD):
C()

def test_mixed_staticmethod_hierarchy(self):
Expand All @@ -508,7 +507,8 @@ class C(B):
def some(cls):
return super().some(cls)

for _ in range(ADAPTIVE_WARMUP_DELAY):
_testinternalcapi = import_helper.import_module("_testinternalcapi")
for _ in range(_testinternalcapi.SPECIALIZATION_THRESHOLD):
C.some(C)

@threading_helper.requires_working_threading()
Expand Down Expand Up @@ -544,6 +544,74 @@ def work():
for thread in threads:
thread.join()

def test_special_methods(self):
for e in E(), E:
s = super(C, e)
self.assertEqual(s.__reduce__, e.__reduce__)
self.assertEqual(s.__reduce_ex__, e.__reduce_ex__)
self.assertEqual(s.__getstate__, e.__getstate__)
self.assertNotHasAttr(s, '__getnewargs__')
self.assertNotHasAttr(s, '__getnewargs_ex__')
self.assertNotHasAttr(s, '__setstate__')
self.assertNotHasAttr(s, '__copy__')
self.assertNotHasAttr(s, '__deepcopy__')

def test_pickling(self):
e = E()
e.x = 1
s = super(C, e)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
u = pickle.loads(pickle.dumps(s, proto))
self.assertEqual(u.f(), s.f())
self.assertIs(type(u), type(s))
self.assertIs(type(u.__self__), E)
self.assertEqual(u.__self__.x, 1)
self.assertIs(u.__thisclass__, C)
self.assertIs(u.__self_class__, E)

s = super(C, E)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
u = pickle.loads(pickle.dumps(s, proto))
self.assertEqual(u.cm(), s.cm())
self.assertEqual(u.f, s.f)
self.assertIs(type(u), type(s))
self.assertIs(u.__self__, E)
self.assertIs(u.__thisclass__, C)
self.assertIs(u.__self_class__, E)

def test_shallow_copying(self):
s = super(C, E())
self.assertIs(copy.copy(s), s)
s = super(C, E)
self.assertIs(copy.copy(s), s)

def test_deep_copying(self):
e = E()
e.x = [1]
s = super(C, e)
u = copy.deepcopy(s)
self.assertEqual(u.f(), s.f())
self.assertIs(type(u), type(s))
self.assertIsNot(u, s)
self.assertIs(type(u.__self__), E)
self.assertIsNot(u.__self__, e)
self.assertIsNot(u.__self__.x, e.x)
self.assertEqual(u.__self__.x, [1])
self.assertIs(u.__thisclass__, C)
self.assertIs(u.__self_class__, E)

s = super(C, E)
u = copy.deepcopy(s)
self.assertEqual(u.cm(), s.cm())
self.assertEqual(u.f, s.f)
self.assertIsNot(u, s)
self.assertIs(type(u), type(s))
self.assertIs(u.__self__, E)
self.assertIs(u.__thisclass__, C)
self.assertIs(u.__self_class__, E)


if __name__ == "__main__":
unittest.main()
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