reflection_test.py 文件源码

def testTopLevelExtensionsForRepeatedScalar(self):
    extendee_proto = unittest_pb2.TestAllExtensions()
    extension = unittest_pb2.repeated_string_extension
    self.assertEqual(0, len(extendee_proto.Extensions[extension]))
    extendee_proto.Extensions[extension].append('foo')
    self.assertEqual(['foo'], extendee_proto.Extensions[extension])
    string_list = extendee_proto.Extensions[extension]
    extendee_proto.ClearExtension(extension)
    self.assertEqual(0, len(extendee_proto.Extensions[extension]))
    self.assertTrue(string_list is not extendee_proto.Extensions[extension])
    # Shouldn't be allowed to do Extensions[extension] = 'a'
    self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions,
                      extension, 'a')