1#!/usr/bin/env python3
2#
3#  Copyright (c) 2021, The OpenThread Authors.
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29
30import unittest
31
32import config
33import thread_cert
34
35LEADER = 1
36ROUTER = 2
37MED = 3
38SED = 4
39
40
41class TestDatasetUpdater(thread_cert.TestCase):
42    SUPPORT_NCP = False
43    USE_MESSAGE_FACTORY = False
44
45    TOPOLOGY = {
46        LEADER: {
47            'mode': 'rdn',
48            'channel': 11,
49        },
50        ROUTER: {
51            'mode': 'rdn',
52            'channel': 11,
53        },
54        MED: {
55            'mode': 'rn',
56            'channel': 11,
57            'allowlist': [ROUTER],
58        },
59        SED: {
60            'mode': '-',
61            'channel': 11,
62            'timeout': config.DEFAULT_CHILD_TIMEOUT,
63            'allowlist': [ROUTER],
64        },
65    }
66
67    def test(self):
68        self.nodes[LEADER].start()
69        self.simulator.go(config.LEADER_STARTUP_DELAY)
70        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
71
72        self.nodes[ROUTER].start()
73        self.simulator.go(config.ROUTER_STARTUP_DELAY)
74        self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
75
76        self.nodes[MED].start()
77        self.simulator.go(5)
78        self.assertEqual(self.nodes[MED].get_state(), 'child')
79
80        self.nodes[SED].start()
81        self.simulator.go(5)
82        self.assertEqual(self.nodes[SED].get_state(), 'child')
83
84        self.verify_state(11)
85
86        # update initiated by LEADER
87        self.nodes[LEADER].start_dataset_updater(channel=12)
88        self.simulator.go(120)
89        self.verify_state(12)
90
91        # update initiated by ROUTER
92        self.nodes[ROUTER].start_dataset_updater(channel=13)
93        self.simulator.go(120)
94        self.verify_state(13)
95
96        # update initiated by LEADER overridden by ROUTER
97        self.nodes[LEADER].start_dataset_updater(channel=14)
98        self.simulator.go(20)
99        self.nodes[ROUTER].start_dataset_updater(channel=15)
100        self.simulator.go(120)
101        self.verify_state(15)
102
103        # update initiated by ROUTER overridden by LEADER
104        self.nodes[ROUTER].start_dataset_updater(channel=16)
105        self.simulator.go(10)
106        self.nodes[LEADER].start_dataset_updater(channel=17)
107        self.simulator.go(120)
108        self.verify_state(17)
109
110    def verify_state(self, channel):
111        self.assertEqual(self.nodes[LEADER].get_channel(), channel)
112        self.assertEqual(self.nodes[ROUTER].get_channel(), channel)
113        self.assertEqual(self.nodes[MED].get_channel(), channel)
114        self.assertEqual(self.nodes[SED].get_channel(), channel)
115
116
117if __name__ == '__main__':
118    unittest.main()
119