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

import node

LEADER = 1
ROUTER1 = 2

class Cert_5_2_06_RouterDowngrade(unittest.TestCase):
    def setUp(self):
        self.nodes = {}
        for i in range(1, 26):
            self.nodes[i] = node.Node(i)
            self.nodes[i].set_panid(0xface)
            self.nodes[i].set_mode('rsdn')
            self.nodes[i].set_router_selection_jitter(1)
            if i != ROUTER1:
                self.nodes[i].set_router_upgrade_threshold(32)
                self.nodes[i].set_router_downgrade_threshold(32)

    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')

        for i in range(2, 25):
            self.nodes[i].start()
            time.sleep(5)
            self.assertEqual(self.nodes[i].get_state(), 'router')

        self.nodes[25].start()
        time.sleep(5)
        self.assertEqual(self.nodes[25].get_state(), 'router')

        time.sleep(10)
        self.assertEqual(self.nodes[ROUTER1].get_state(), 'child')

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