def test_untyped_return_class(self):
class UntypedReturnClass(object):
def method(self): pass
self.assertFalse(implements(UntypedReturnClass, TypedReturnInterface))
def test_wrong_return_type(self):
class WrongReturnTypeClass(object):
@returns(str)
def method(self): return ""
self.assertFalse(implements(WrongReturnTypeClass, TypedReturnInterface))
def test_wrongly_typed_args_class(self):
class WrongArgTypesClass(object):
def method(self, n): pass
self.assertFalse(implements(WrongArgTypesClass, TypedArgsInterface))
def test_correct_return_type(self):
class CorrectReturnTypeClass(object):
@returns(int)
def method(self): return 1
assert implements(CorrectReturnTypeClass, TypedReturnInterface)
def test_correct_args_class(self):
class CorrectArgsClass(object):
@expects(int)
def method(self, n): pass
assert implements(CorrectArgsClass, TypedArgsInterface)
def test_untyped_args_class(self):
class UntypedArgsClass(object):
def method(self, n): pass
self.assertFalse(implements(UntypedArgsClass, TypedArgsInterface))
def test_optarg_iface_vs_optarg_class(self):
class SimpleClassWithOptArg(object):
def method(self, arg = 1): pass
assert implements(SimpleClassWithOptArg, OptArgInterface)
def test_optarg_iface_vs_noarg_class(self):
self.assertFalse(implements(SimpleClass, OptArgInterface))
def test_optarg_iface_vs_arg_class(self):
class SimpleClassWithArg(object):
def method(self, arg): pass
self.assertFalse(implements(SimpleClassWithArg, OptArgInterface))
def test_basic_interface(self):
self.assertTrue(implements(SimpleClass, SimpleInterface))
def test_basic_interface_by_meta(self):
self.assertTrue(implements(SimpleClass, SimpleInterfaceByMeta))