test_interface.py 文件源码

def test_classImplements_base_not_derived(self):
        from zope.interface import Interface
        from zope.interface import implementedBy
        from zope.interface import providedBy
        class IBase(Interface):
            def method():
                pass
        class IDerived(IBase):
            pass
        class Current():
            __implemented__ = IBase
            def method(self):
                pass
        current = Current()

        self.assertTrue(IBase.implementedBy(Current))
        self.assertFalse(IDerived.implementedBy(Current))
        self.assertTrue(IBase in implementedBy(Current))
        self.assertFalse(IDerived in implementedBy(Current))
        self.assertTrue(IBase in providedBy(current))
        self.assertFalse(IDerived in providedBy(current))