tests/scripts/thread-cert/Cert_9_2_17_Orphan.py

#!/usr/bin/env python3
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import unittest

import config
import node

CHANNEL1 = 11
CHANNEL2 = 18
CHANNEL_MASK = 1 << 18
PANID_INIT = 0xface

LEADER1 = 1
LEADER2 = 2
ED1 = 3


class Cert_9_2_17_Orphan(unittest.TestCase):
    def setUp(self):
        self.simulator = config.create_default_simulator()

        self.nodes = {}
        for i in range(1, 4):
            self.nodes[i] = node.Node(i, (i == ED1), simulator=self.simulator)

        self.nodes[LEADER1].set_active_dataset(
            10, channel=CHANNEL1, panid=PANID_INIT, channel_mask=CHANNEL_MASK
        )
        self.nodes[LEADER1].set_mode('rsdn')
        self.nodes[LEADER1].add_whitelist(self.nodes[ED1].get_addr64())
        self.nodes[LEADER1].enable_whitelist()
        self.nodes[LEADER1].set_router_selection_jitter(1)

        self.nodes[LEADER2].set_active_dataset(
            20, channel=CHANNEL2, panid=PANID_INIT, channel_mask=CHANNEL_MASK
        )
        self.nodes[LEADER2].set_mode('rsdn')
        self.nodes[LEADER2].enable_whitelist()
        self.nodes[LEADER2].set_router_selection_jitter(1)

        self.nodes[ED1].set_channel(CHANNEL1)
        self.nodes[ED1].set_mode('rsn')
        self.nodes[ED1].set_panid(PANID_INIT)
        self.nodes[ED1].add_whitelist(self.nodes[LEADER1].get_addr64())
        self.nodes[ED1].enable_whitelist()
        self.nodes[ED1].set_timeout(config.DEFAULT_CHILD_TIMEOUT)

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

    def test(self):
        self.nodes[LEADER1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[LEADER1].get_state(), 'leader')

        self.nodes[LEADER2].start()
        self.nodes[LEADER2].set_state('leader')
        self.assertEqual(self.nodes[LEADER2].get_state(), 'leader')

        self.nodes[ED1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[ED1].get_state(), 'child')

        self.nodes[LEADER1].stop()
        self.nodes[LEADER2].add_whitelist(self.nodes[ED1].get_addr64())
        self.nodes[ED1].add_whitelist(self.nodes[LEADER2].get_addr64())
        self.simulator.go(20)

        self.assertEqual(self.nodes[ED1].get_state(), 'child')
        self.assertEqual(self.nodes[ED1].get_channel(), CHANNEL2)


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