tests/scripts/thread-cert/Cert_6_1_01_RouterAttach.py

#!/usr/bin/env python3
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import unittest

import config
import mle
import node

LEADER = 1
ED = 2


class Cert_6_1_1_RouterAttach(unittest.TestCase):
    def setUp(self):
        self.simulator = config.create_default_simulator()

        self.nodes = {}
        for i in range(1, 3):
            self.nodes[i] = node.Node(i, (i == ED), simulator=self.simulator)

        self.nodes[LEADER].set_panid(0xface)
        self.nodes[LEADER].set_mode('rsdn')
        self.nodes[LEADER].add_whitelist(self.nodes[ED].get_addr64())
        self.nodes[LEADER].enable_whitelist()

        self.nodes[ED].set_panid(0xface)
        self.nodes[ED].set_mode('rsn')
        self.nodes[ED].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ED].enable_whitelist()

    def tearDown(self):
        for n in list(self.nodes.values()):
            n.stop()
            n.destroy()
        self.simulator.stop()

    def test(self):
        self.nodes[LEADER].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')

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

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        ed_messages = self.simulator.get_messages_sent_by(ED)

        # 1 - leader
        msg = leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)

        # 2 - ed
        msg = ed_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
        self.assertEqual(0x02, msg.mle.aux_sec_hdr.key_id_mode)
        msg.assertSentWithHopLimit(255)
        msg.assertSentToDestinationAddress("ff02::2")
        msg.assertMleMessageContainsTlv(mle.Mode)
        msg.assertMleMessageContainsTlv(mle.Challenge)
        msg.assertMleMessageContainsTlv(mle.ScanMask)
        msg.assertMleMessageContainsTlv(mle.Version)

        scan_mask_tlv = msg.get_mle_message_tlv(mle.ScanMask)
        self.assertEqual(1, scan_mask_tlv.router)
        self.assertEqual(0, scan_mask_tlv.end_device)

        # 3 - leader
        msg = leader_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
        msg.assertSentToNode(self.nodes[ED])

        # 4 - ed
        msg = ed_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
        self.assertEqual(0x02, msg.mle.aux_sec_hdr.key_id_mode)
        msg.assertSentToNode(self.nodes[LEADER])
        msg.assertMleMessageContainsTlv(mle.AddressRegistration)
        msg.assertMleMessageContainsTlv(mle.LinkLayerFrameCounter)
        msg.assertMleMessageContainsTlv(mle.Mode)
        msg.assertMleMessageContainsTlv(mle.Response)
        msg.assertMleMessageContainsTlv(mle.Timeout)
        msg.assertMleMessageContainsTlv(mle.TlvRequest)
        msg.assertMleMessageContainsTlv(mle.Version)
        msg.assertMleMessageContainsOptionalTlv(mle.MleFrameCounter)

        # 5 - leader
        msg = leader_messages.next_mle_message(
            mle.CommandType.CHILD_ID_RESPONSE
        )
        msg.assertSentToNode(self.nodes[ED])

        # 6 - leader
        ed_addrs = self.nodes[ED].get_addrs()
        for addr in ed_addrs:
            if addr[0:4] != 'fe80':
                self.assertTrue(self.nodes[LEADER].ping(addr))


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