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

import config
import node

LEADER = 1
ROUTER = 2
ED = 3

class Cert_5_5_2_LeaderReboot(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 == ED), simulator=self.simulator)

        self.nodes[LEADER].set_panid(0xface)
        self.nodes[LEADER].set_mode('rsdn')
        self._setUpLeader()

        self.nodes[ROUTER].set_panid(0xface)
        self.nodes[ROUTER].set_mode('rsdn')
        self.nodes[ROUTER].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ROUTER].add_whitelist(self.nodes[ED].get_addr64())
        self.nodes[ROUTER].enable_whitelist()
        self.nodes[ROUTER].set_router_selection_jitter(1)

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

    def _setUpLeader(self):
        self.nodes[LEADER].add_whitelist(self.nodes[ROUTER].get_addr64())
        self.nodes[LEADER].enable_whitelist()
        self.nodes[LEADER].set_router_selection_jitter(1)        

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

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

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

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

        self.nodes[LEADER].reset()
        self._setUpLeader()
        self.simulator.go(140)
        self.assertEqual(self.nodes[ROUTER].get_state(), 'leader')

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

        addrs = self.nodes[ED].get_addrs()
        for addr in addrs:
            self.assertTrue(self.nodes[ROUTER].ping(addr))

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