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

import node

LEADER = 1
ED = 2

class Cert_5_8_1_KeySynchronization(unittest.TestCase):
    def setUp(self):
        self.nodes = {}
        for i in range(1,3):
            self.nodes[i] = node.Node(i)

        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[LEADER].set_key_switch_guardtime(0)

        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()
        self.nodes[ED].set_key_switch_guardtime(0)

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

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

        self.nodes[ED].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ED].get_state(), 'child')

        addrs = self.nodes[LEADER].get_addrs()
        for addr in addrs:
            if 'ff:fe00' not in addr:
                self.assertTrue(self.nodes[ED].ping(addr))

        key_sequence_counter = self.nodes[ED].get_key_sequence_counter()
        self.nodes[ED].set_key_sequence_counter(key_sequence_counter + 10)

        addrs = self.nodes[LEADER].get_addrs()
        for addr in addrs:
            if 'ff:fe00' not in addr:
                self.assertFalse(self.nodes[ED].ping(addr))

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