test_interface.py 文件源码

def test_getDescriptionFor_derived(self):
        from zope.interface import Attribute
        from zope.interface.interface import Method
        from zope.interface import Interface


        class IBase(Interface):
            attr = Attribute(u'My attr')

            def method():
                "My method"

        class IDerived(IBase):
            attr2 = Attribute(u'My attr2')

            def method():
                "My method, overridden"

            def method2():
                "My method2"

        a_desc = IDerived.getDescriptionFor('attr')
        self.assertTrue(isinstance(a_desc, Attribute))
        self.assertEqual(a_desc.__name__, 'attr')
        self.assertEqual(a_desc.__doc__, 'My attr')

        m_desc = IDerived.getDescriptionFor('method')
        self.assertTrue(isinstance(m_desc, Method))
        self.assertEqual(m_desc.__name__, 'method')
        self.assertEqual(m_desc.__doc__, 'My method, overridden')

        a2_desc = IDerived.getDescriptionFor('attr2')
        self.assertTrue(isinstance(a2_desc, Attribute))
        self.assertEqual(a2_desc.__name__, 'attr2')
        self.assertEqual(a2_desc.__doc__, 'My attr2')

        m2_desc = IDerived.getDescriptionFor('method2')
        self.assertTrue(isinstance(m2_desc, Method))
        self.assertEqual(m2_desc.__name__, 'method2')
        self.assertEqual(m2_desc.__doc__, 'My method2')