tests/scripts/thread-cert/Cert_5_3_11_AddressQueryTimeoutIntervals.py

#!/usr/bin/env python3
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import unittest

import command
import config
import thread_cert

LEADER = 1
DUT_ROUTER1 = 2
MED1 = 3


class Cert_5_3_11_AddressQueryTimeoutIntervals(thread_cert.TestCase):
    TOPOLOGY = {
        LEADER: {
            'mode': 'rsdn',
            'panid': 0xface,
            'whitelist': [DUT_ROUTER1]
        },
        DUT_ROUTER1: {
            'mode': 'rsdn',
            'panid': 0xface,
            'router_selection_jitter': 1,
            'whitelist': [LEADER, MED1]
        },
        MED1: {
            'is_mtd': True,
            'mode': 'rsn',
            'panid': 0xface,
            'whitelist': [DUT_ROUTER1]
        },
    }

    def test(self):
        # 1 ALL: Build and verify the topology
        self.nodes[LEADER].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')

        self.nodes[DUT_ROUTER1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'router')

        self.nodes[MED1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[MED1].get_state(), 'child')

        # 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent
        # mesh-local address X
        X = "fd00:db8:0000:0000:aa55:aa55:aa55:aa55"
        self.assertFalse(self.nodes[MED1].ping(X))

        self.simulator.go(config.AQ_TIMEOUT)

        # Verify DUT_ROUTER1 sent an Address Query Request message
        dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
        msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
        command.check_address_query(
            msg,
            self.nodes[DUT_ROUTER1],
            config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
        )

        # Verify DUT_ROUTER1 didn't receive an Address Query Notification
        # message
        dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
        msg = dut_router1_messages.next_coap_message('0.02', '/a/an', False)
        self.assertTrue(msg is None)

        # 2 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X before
        #         ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expires
        self.assertFalse(self.nodes[MED1].ping(X))

        self.simulator.go(config.ADDRESS_QUERY_INITIAL_RETRY_DELAY)

        # Verify DUT_ROUTER1 didn't generate an Address Query Request message
        dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
        msg = dut_router1_messages.next_coap_message('0.02', '/a/aq', False)
        self.assertTrue(msg is None)

        # 3 MED1: MED1 sends an ICMPv6 Echo Request to a non-existent mesh-local address X after
        #         ADDRESS_QUERY_INITIAL_RETRY_DELAY timeout expired
        self.assertFalse(self.nodes[MED1].ping(X))

        # Verify DUT_ROUTER1 sent an Address Query Request message
        dut_router1_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
        msg = dut_router1_messages.next_coap_message('0.02', '/a/aq')
        command.check_address_query(
            msg,
            self.nodes[DUT_ROUTER1],
            config.REALM_LOCAL_ALL_ROUTERS_ADDRESS,
        )


if __name__ == '__main__':
    unittest.main()