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Code Issues Projects Releases Packages Wiki Activity Actions 17

Use __reduce_ex__ in copy.py. The test_*copy_cant() tests are simpler again.

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This commit is contained in:
Guido van Rossum 2003-02-19 01:19:28 +00:00
parent a43fd0c899
commit e690883ccf
3 changed files with 65 additions and 32 deletions
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32
Lib/test/test_copy.py
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@ -46,6 +46,16 @@ class TestCopy(unittest.TestCase):
copy_reg.pickle(C, pickle_C, C)
y = copy.copy(x)
def test_copy_reduce_ex(self):
class C(object):
def __reduce_ex__(self, proto):
return ""
def __reduce__(self):
raise test_support.TestFailed, "shouldn't call this"
x = C()
y = copy.copy(x)
self.assert_(y is x)
def test_copy_reduce(self):
class C(object):
def __reduce__(self):
@ -55,13 +65,11 @@ class TestCopy(unittest.TestCase):
self.assert_(y is x)
def test_copy_cant(self):
class Meta(type):
class C(object):
def __getattribute__(self, name):
if name == "__reduce__":
if name.startswith("__reduce"):
raise AttributeError, name
return object.__getattribute__(self, name)
class C:
__metaclass__ = Meta
x = C()
self.assertRaises(copy.Error, copy.copy, x)
@ -209,6 +217,16 @@ class TestCopy(unittest.TestCase):
copy_reg.pickle(C, pickle_C, C)
y = copy.deepcopy(x)
def test_deepcopy_reduce_ex(self):
class C(object):
def __reduce_ex__(self, proto):
return ""
def __reduce__(self):
raise test_support.TestFailed, "shouldn't call this"
x = C()
y = copy.deepcopy(x)
self.assert_(y is x)
def test_deepcopy_reduce(self):
class C(object):
def __reduce__(self):
@ -218,13 +236,11 @@ class TestCopy(unittest.TestCase):
self.assert_(y is x)
def test_deepcopy_cant(self):
class Meta(type):
class C(object):
def __getattribute__(self, name):
if name == "__reduce__":
if name.startswith("__reduce"):
raise AttributeError, name
return object.__getattribute__(self, name)
class C:
__metaclass__ = Meta
x = C()
self.assertRaises(copy.Error, copy.deepcopy, x)