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add support for abstract class and static methods #5867

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This commit is contained in:
Benjamin Peterson 2010-08-17 00:52:52 +00:00
parent 36e791179c
commit 45c257f193
4 changed files with 107 additions and 1 deletions
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40
Lib/test/test_abc.py
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@ -34,8 +34,46 @@ class TestABC(unittest.TestCase):
def foo(self): return super().foo
self.assertEqual(D().foo, 3)
def test_abstractclassmethod_basics(self):
@abc.abstractclassmethod
def foo(cls): pass
self.assertEqual(foo.__isabstractmethod__, True)
@classmethod
def bar(cls): pass
self.assertEqual(hasattr(bar, "__isabstractmethod__"), False)
class C(metaclass=abc.ABCMeta):
@abc.abstractclassmethod
def foo(cls): return cls.__name__
self.assertRaises(TypeError, C)
class D(C):
@classmethod
def foo(cls): return super().foo()
self.assertEqual(D.foo(), 'D')
self.assertEqual(D().foo(), 'D')
def test_abstractstaticmethod_basics(self):
@abc.abstractstaticmethod
def foo(): pass
self.assertEqual(foo.__isabstractmethod__, True)
@staticmethod
def bar(): pass
self.assertEqual(hasattr(bar, "__isabstractmethod__"), False)
class C(metaclass=abc.ABCMeta):
@abc.abstractstaticmethod
def foo(): return 3
self.assertRaises(TypeError, C)
class D(C):
@staticmethod
def foo(): return 4
self.assertEqual(D.foo(), 4)
self.assertEqual(D().foo(), 4)
def test_abstractmethod_integration(self):
for abstractthing in [abc.abstractmethod, abc.abstractproperty]:
for abstractthing in [abc.abstractmethod, abc.abstractproperty,
abc.abstractclassmethod,
abc.abstractstaticmethod]:
class C(metaclass=abc.ABCMeta):
@abstractthing
def foo(self): pass # abstract