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110 lines (88 loc) · 2.57 KB
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class PropertyBase(Exception):
pass
class PropertyGet(PropertyBase):
pass
class PropertySet(PropertyBase):
pass
class PropertyDel(PropertyBase):
pass
class BaseClass(object):
def __init__(self):
self._spam = 5
@property
def spam(self):
"""BaseClass.getter"""
return self._spam
@spam.setter
def spam(self, value):
self._spam = value
@spam.deleter
def spam(self):
del self._spam
class SubClass(BaseClass):
@BaseClass.spam.getter
def spam(self):
"""SubClass.getter"""
raise PropertyGet(self._spam)
@spam.setter
def spam(self, value):
raise PropertySet(self._spam)
@spam.deleter
def spam(self):
raise PropertyDel(self._spam)
class PropertyDocBase(object):
_spam = 1
def _get_spam(self):
return self._spam
spam = property(_get_spam, doc="spam spam spam")
class PropertyDocSub(PropertyDocBase):
@PropertyDocBase.spam.getter
def spam(self):
"""The decorator does not use this doc string"""
return self._spam
class PropertySubNewGetter(BaseClass):
@BaseClass.spam.getter
def spam(self):
"""new docstring"""
return 5
class PropertyNewGetter(object):
@property
def spam(self):
"""original docstring"""
return 1
@spam.getter
def spam(self):
"""new docstring"""
return 8
def test_property_decorator_baseclass():
# see #1620
base = BaseClass()
___assertEqual(base.spam, 5)
___assertEqual(base._spam, 5)
base.spam = 10
___assertEqual(base.spam, 10)
___assertEqual(base._spam, 10)
delattr(base, "spam")
___assertTrue(not hasattr(base, "spam"))
___assertTrue(not hasattr(base, "_spam"))
base.spam = 20
___assertEqual(base.spam, 20)
___assertEqual(base._spam, 20)
test_property_decorator_baseclass()
def test_property_decorator_subclass():
# see #1620
sub = SubClass()
___assertRaises(PropertyGet, getattr, sub, "spam")
___assertRaises(PropertySet, setattr, sub, "spam", None)
___assertRaises(PropertyDel, delattr, sub, "spam")
test_property_decorator_subclass()
def test_property_getter_doc_override():
newgettersub = PropertySubNewGetter()
___assertEqual(newgettersub.spam, 5)
# TODO(joe): docstrings
#___assertEqual(newgettersub.__class__.spam.__doc__, "new docstring")
newgetter = PropertyNewGetter()
___assertEqual(newgetter.spam, 8)
# TODO(joe): docstrings
#___assertEqual(newgetter.__class__.spam.__doc__, "new docstring")
test_property_getter_doc_override()