test_interface.py 文件源码

def test_classImplements_simple(self):
        from zope.interface import Interface
        from zope.interface import implementedBy
        from zope.interface import providedBy

        class ICurrent(Interface):
            def method1(a, b):
                pass
            def method2(a, b):
                pass

        class IOther(Interface):
            pass

        class Current(object):
            __implemented__ = ICurrent
            def method1(self, a, b):
                return 1
            def method2(self, a, b):
                return 2

        current = Current()

        self.assertTrue(ICurrent.implementedBy(Current))
        self.assertFalse(IOther.implementedBy(Current))
        self.assertTrue(ICurrent in implementedBy(Current))
        self.assertFalse(IOther in implementedBy(Current))
        self.assertTrue(ICurrent in providedBy(current))
        self.assertFalse(IOther in providedBy(current))