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https://github.com/espressif/openthread.git
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Yakun Xu
109 lines
4.2 KiB
Python
Executable File
109 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2016, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import unittest
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import node
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import config
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import command
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import mle
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LEADER = 1
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DUT_ROUTER1 = 2
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ROUTER2 = 3
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ROUTER24 = 24
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class Cert_5_2_06_RouterDowngrade(unittest.TestCase):
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def setUp(self):
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self.simulator = config.create_default_simulator()
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self.nodes = {}
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for i in range(1, 25):
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self.nodes[i] = node.Node(i, simulator=self.simulator)
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self.nodes[i].set_panid()
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self.nodes[i].set_mode('rsdn')
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self.nodes[i].set_router_selection_jitter(1)
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if i != DUT_ROUTER1:
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self.nodes[i].set_router_upgrade_threshold(32)
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self.nodes[i].set_router_downgrade_threshold(32)
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def tearDown(self):
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for n in list(self.nodes.values()):
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n.stop()
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n.destroy()
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self.simulator.stop()
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def test(self):
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# 1 Ensure topology is formed correctly without ROUTER24.
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self.nodes[LEADER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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for i in range(2, 24):
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self.nodes[i].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[i].get_state(), 'router')
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# This method flushes the message queue so calling this method again
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# will return only the newly logged messages.
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dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
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# 2 ROUTER24: Attach to network.
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# All reference testbed devices have been configured with downgrade threshold as 32 except DUT_ROUTER1,
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# so we don't need to ensure ROUTER24 has a better link quality on
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# posix.
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self.nodes[ROUTER24].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[ROUTER24].get_state(), 'router')
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# 3 DUT_ROUTER1:
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self.simulator.go(10)
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self.assertEqual(self.nodes[DUT_ROUTER1].get_state(), 'child')
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# Verify it sent a Parent Request and Child ID Request.
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dut_messages = self.simulator.get_messages_sent_by(DUT_ROUTER1)
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dut_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
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dut_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
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# Verify it sent an Address Release Message to the Leader when it
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# attached as a child.
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msg = dut_messages.next_coap_message('0.02')
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command.check_address_release(msg, self.nodes[LEADER])
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# 4 & 5
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router1_rloc = self.nodes[DUT_ROUTER1].get_ip6_address(
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config.ADDRESS_TYPE.RLOC)
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self.assertTrue(self.nodes[LEADER].ping(router1_rloc))
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if __name__ == '__main__':
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unittest.main()
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