def test__getPort_calls__listenUDP_with_args_from_constructor(self):
server = UDPServer(sentinel.foo, bar=sentinel.bar)
_listenUDP = self.patch(server, "_listenUDP")
_listenUDP.return_value = sentinel.port
self.assertEqual(sentinel.port, server._getPort())
self.assertThat(_listenUDP,
MockCalledOnceWith(sentinel.foo, bar=sentinel.bar))
def test_listenUDP_with_IPv6_address(self):
server = UDPServer(0, DummyProtocol(), "::1")
port = server._getPort()
self.addCleanup(port.stopListening)
self.assertEqual(AF_INET6, port.addressFamily)