def test_no_address(self, _, __):
"""
Test when no address could be retrieved.
Additionally check the `output` method behavior.
"""
wan_ip = WanIp()
output_mock = MagicMock()
wan_ip.output(output_mock)
self.assertListEmpty(wan_ip.value)
self.assertEqual(output_mock.append.call_args[0][1],
DEFAULT_CONFIG['default_strings']['no_address'])
def test_ipv6_timeout(self, urlopen_mock, _):
"""
Test when `dig` call timeout for the IPv6 detection.
Additionally check the `output` method behavior.
"""
urlopen_mock.return_value.read.return_value = b'0123::4567:89a:dead:beef\n'
wan_ip = WanIp()
output_mock = MagicMock()
wan_ip.output(output_mock)
self.assertListEqual(wan_ip.value,
['XXX.YY.ZZ.TTT', '0123::4567:89a:dead:beef'])
self.assertEqual(output_mock.append.call_args[0][1],
'XXX.YY.ZZ.TTT, 0123::4567:89a:dead:beef')