#!/usr/bin/env python
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import time
import unittest

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

        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_active_dataset(10, channel=CHANNEL1, panid=PANID_INIT, channel_mask=CHANNEL_MASK)
        self.nodes[ED1].set_mode('rsn')
        self.nodes[ED1].add_whitelist(self.nodes[LEADER1].get_addr64())
        self.nodes[ED1].enable_whitelist()
        self.nodes[ED1].set_timeout(3)

    def tearDown(self):
        for node in list(self.nodes.values()):
            node.stop()
        del self.nodes

    def test(self):
        self.nodes[LEADER1].start()
        self.nodes[LEADER1].set_state('leader')
        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()
        time.sleep(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())
        time.sleep(20)

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

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