class TransactionBundleTestCase(unittest.TestCase): def setUp(self): self.bundle = TransactionBundle(relayed_solicit_message, True) self.ia_bundle = TransactionBundle(SolicitMessage(options=[ IANAOption(b'0001'), IANAOption(b'0002'), IATAOption(b'0003'), IATAOption(b'0004'), IAPDOption(b'0005'), IAPDOption(b'0006'), ]), False) self.option_handlers = [ InterfaceIdOptionHandler(), ] def test_request(self): self.assertEqual(self.bundle.request, solicit_message) def test_incoming_relay_messages(self): self.assertEqual(len(self.bundle.incoming_relay_messages), 2) self.assertEqual(self.bundle.incoming_relay_messages[0].hop_count, 0) self.assertEqual(self.bundle.incoming_relay_messages[1].hop_count, 1) def test_no_response(self): self.assertRaisesRegex(ValueError, 'Cannot create outgoing', self.bundle.create_outgoing_relay_messages) def test_bad_response(self): self.bundle.response = SolicitMessage() with self.assertLogs() as cm: self.assertIsNone(self.bundle.outgoing_message) self.assertEqual(len(cm.output), 1) self.assertRegex(cm.output[0], 'server should not send') def test_outgoing_message(self): # Set the response and let the option handlers do their work # Which in this case is copy the InterfaceId to the response self.bundle.response = advertise_message self.bundle.create_outgoing_relay_messages() for option_handler in self.option_handlers: option_handler.handle(self.bundle) self.assertEqual(self.bundle.outgoing_message, relayed_advertise_message) def test_direct_outgoing_message(self): self.ia_bundle.response = advertise_message self.assertEqual(self.ia_bundle.outgoing_message, advertise_message) def test_auto_create_outgoing_relay_messages(self): self.bundle.response = advertise_message self.assertIsInstance(self.bundle.outgoing_message, RelayReplyMessage) def test_no_outgoing_message(self): self.assertIsNone(self.bundle.outgoing_message) def test_unanswered_ia_options(self): unanswered_options = self.ia_bundle.get_unanswered_ia_options() self.assertEqual(len(unanswered_options), 4) self.assertIn(IANAOption(b'0001'), unanswered_options) self.assertIn(IANAOption(b'0002'), unanswered_options) self.assertIn(IATAOption(b'0003'), unanswered_options) self.assertIn(IATAOption(b'0004'), unanswered_options) def test_mark_handled(self): self.ia_bundle.mark_handled(IANAOption(b'0001')) self.ia_bundle.mark_handled(IATAOption(b'0004')) unanswered_options = self.ia_bundle.get_unanswered_ia_options() self.assertEqual(len(unanswered_options), 2) self.assertIn(IANAOption(b'0002'), unanswered_options) self.assertIn(IATAOption(b'0003'), unanswered_options) def test_unanswered_iana_options(self): unanswered_options = self.ia_bundle.get_unanswered_iana_options() self.assertEqual(len(unanswered_options), 2) self.assertIn(IANAOption(b'0001'), unanswered_options) self.assertIn(IANAOption(b'0002'), unanswered_options) def test_unanswered_iata_options(self): unanswered_options = self.ia_bundle.get_unanswered_iata_options() self.assertEqual(len(unanswered_options), 2) self.assertIn(IATAOption(b'0003'), unanswered_options) self.assertIn(IATAOption(b'0004'), unanswered_options) def test_unanswered_iapd_options(self): unanswered_options = self.ia_bundle.get_unanswered_iapd_options() self.assertEqual(len(unanswered_options), 2) self.assertIn(IAPDOption(b'0005'), unanswered_options) self.assertIn(IAPDOption(b'0006'), unanswered_options) def test_unknown_message(self): with self.assertLogs() as cm: TransactionBundle(UnknownMessage(1608, b'Unknown'), False) self.assertEqual(len(cm.output), 1) self.assertRegex(cm.output[0], 'unrecognised message') def test_wrong_way(self): with self.assertLogs() as cm: TransactionBundle(ReplyMessage(), False) self.assertEqual(len(cm.output), 1) self.assertRegex(cm.output[0], 'server should not receive') def test_link_address(self): self.assertEqual(self.bundle.get_link_address(), IPv6Address('2001:db8:ffff:1::1')) self.assertEqual(self.ia_bundle.get_link_address(), IPv6Address('::'))