| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2020, The OpenThread Authors. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # 3. Neither the name of the copyright holder nor the |
| # names of its contributors may be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| import unittest |
| |
| import config |
| import thread_cert |
| |
| |
| class test_router_reattach(thread_cert.TestCase): |
| TOPOLOGY = { |
| 1: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 2: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 3: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 4: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 5: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 6: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 7: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 8: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 9: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 10: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 11: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 12: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 13: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 14: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 15: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 16: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 17: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 18: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 19: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 20: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 21: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 22: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 23: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 24: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 25: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 26: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 27: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 28: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 29: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 30: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 31: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| 32: { |
| 'mode': 'rdn', |
| 'router_downgrade_threshold': 32, |
| 'router_upgrade_threshold': 32 |
| }, |
| } |
| |
| def test(self): |
| self.nodes[1].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[1].get_state(), 'leader') |
| |
| for i in range(2, 33): |
| self.nodes[i].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[i].get_state(), 'router') |
| |
| self.nodes[2].reset() |
| self.nodes[2].set_router_selection_jitter(3) |
| self.nodes[2].set_router_upgrade_threshold(32) |
| self.nodes[2].set_router_downgrade_threshold(32) |
| |
| self.nodes[2].start() |
| self.assertEqual(self.nodes[2].get_router_downgrade_threshold(), 32) |
| # Verify that the node restored as Router. |
| self.simulator.go(1) |
| self.assertEqual(self.nodes[2].get_state(), 'router') |
| # Verify that the node does not downgrade after Router Selection Jitter. |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[2].get_state(), 'router') |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |