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https://github.com/espressif/openthread.git
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[nexus] migrate test_reset to Nexus (#12971)
Migrate legacy Python test `test_reset.py` to Nexus C++ test `test_reset.cpp`. The test verifies that OpenThread correctly recovers network state, specifically frame counters and datasets, after sequential resets of nodes in a multi-hop topology (Leader <-> Router <-> ED). The test sequence: - Establish multi-hop topology: Leader <-> Router <-> ED. - Send 1010 pings from ED to Leader to advance the frame counter beyond the default storage threshold (1000). - Reset Leader, Router, and ED sequentially. - Verify end-to-end connectivity after resets, confirming that frame counters were correctly recovered from non-volatile storage. Legacy `tests/scripts/thread-cert/test_reset.py` is removed as its functionality is now fully covered by the Nexus test.
This commit is contained in:
Jonathan Hui
@@ -407,6 +407,7 @@ ot_nexus_test(mle_msg_key_seq_jump "core;nexus")
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ot_nexus_test(nat64_translator "core;nexus")
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ot_nexus_test(netdata_publisher "core;nexus")
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ot_nexus_test(reed_address_solicit_rejected "core;nexus")
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ot_nexus_test(reset "core;nexus")
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ot_nexus_test(router_downgrade_on_sec_policy_change "core;nexus")
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ot_nexus_test(router_reattach "core;nexus")
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ot_nexus_test(router_reboot_multiple_link_request "core;nexus")
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@@ -0,0 +1,154 @@
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/*
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* Copyright (c) 2026, 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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#include <stdio.h>
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#include "platform/nexus_core.hpp"
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#include "platform/nexus_node.hpp"
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namespace ot {
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namespace Nexus {
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/**
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* Time to advance for a node to form a network and become leader, in milliseconds.
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*/
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static constexpr uint32_t kFormNetworkTime = 13 * 1000;
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/**
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* Time to advance for a node to join as a child and upgrade to a router, in milliseconds.
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*/
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static constexpr uint32_t kAttachToRouterTime = 200 * 1000;
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/**
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* Time to advance for a node to join as a child.
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*/
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static constexpr uint32_t kAttachAsChildTime = 5 * 1000;
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/**
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* The number of pings to send to advance the frame counter beyond the storage threshold.
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*/
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static constexpr uint16_t kNumPings = 1010;
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void TestReset(void)
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{
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Core nexus;
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Node &leader = nexus.CreateNode();
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Node &router = nexus.CreateNode();
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Node &ed = nexus.CreateNode();
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leader.SetName("Leader");
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router.SetName("Router");
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ed.SetName("ED");
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nexus.AdvanceTime(0);
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// Set up allowlists to enforce Leader <-> Router <-> ED topology
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AllowLinkBetween(leader, router);
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AllowLinkBetween(router, ed);
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SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelInfo));
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Log("---------------------------------------------------------------------------------------");
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Log("Forming network");
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leader.Form();
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nexus.AdvanceTime(kFormNetworkTime);
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VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
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router.Join(leader);
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nexus.AdvanceTime(kAttachToRouterTime);
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VerifyOrQuit(router.Get<Mle::Mle>().IsRouter());
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ed.Join(router, Node::kAsMed);
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nexus.AdvanceTime(kAttachAsChildTime);
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VerifyOrQuit(ed.Get<Mle::Mle>().IsChild());
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nexus.AdvanceTime(10 * 1000); // Extra time to stabilize
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const Ip6::Address &leaderRloc = leader.Get<Mle::Mle>().GetMeshLocalRloc();
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Log("---------------------------------------------------------------------------------------");
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Log("Sending %u pings from ED to Leader", kNumPings);
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for (uint16_t i = 0; i < kNumPings; i++)
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{
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// Use a 500ms timeout for each ping to ensure it has enough time in a multi-hop setup
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nexus.SendAndVerifyEchoRequest(ed, leaderRloc, 0, Ip6::kDefaultHopLimit, 500);
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}
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Log("---------------------------------------------------------------------------------------");
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Log("Resetting nodes sequentially");
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Log("Resetting Leader");
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leader.Reset();
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AllowLinkBetween(leader, router);
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leader.Get<ThreadNetif>().Up();
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SuccessOrQuit(leader.Get<Mle::Mle>().Start());
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nexus.AdvanceTime(kFormNetworkTime);
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VerifyOrQuit(leader.Get<Mle::Mle>().IsLeader());
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Log("Resetting Router");
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router.Reset();
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AllowLinkBetween(router, leader);
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AllowLinkBetween(router, ed);
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router.Get<ThreadNetif>().Up();
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SuccessOrQuit(router.Get<Mle::Mle>().Start());
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nexus.AdvanceTime(kAttachToRouterTime);
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VerifyOrQuit(router.Get<Mle::Mle>().IsRouter());
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Log("Resetting ED");
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ed.Reset();
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AllowLinkBetween(ed, router);
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ed.Get<ThreadNetif>().Up();
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SuccessOrQuit(ed.Get<Mle::Mle>().Start());
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nexus.AdvanceTime(kAttachAsChildTime);
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VerifyOrQuit(ed.Get<Mle::Mle>().IsChild());
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nexus.AdvanceTime(10 * 1000); // Extra time to stabilize
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Log("---------------------------------------------------------------------------------------");
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Log("Verifying connectivity after resets");
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// The success of this ping after resets is critical.
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// Since we sent 1010 pings before resets, the frame counters on all nodes
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// have advanced significantly. If a node fails to recover its frame counter
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// from settings after reset, it would start at 0, and its packets would be
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// rejected by its neighbors.
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nexus.SendAndVerifyEchoRequest(ed, leaderRloc);
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}
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} // namespace Nexus
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} // namespace ot
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int main(void)
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{
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ot::Nexus::TestReset();
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printf("All tests passed\n");
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return 0;
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}
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@@ -1,94 +0,0 @@
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#!/usr/bin/env python3
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#
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# Copyright (c) 2020, 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 config
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import unittest
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import thread_cert
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LEADER = 1
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ROUTER = 2
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ED = 3
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SED = 4
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class TestReset(thread_cert.TestCase):
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TOPOLOGY = {
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LEADER: {
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'mode': 'rdn',
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'allowlist': [ROUTER]
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},
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ROUTER: {
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'mode': 'rdn',
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'allowlist': [LEADER, ED]
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},
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ED: {
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'is_mtd': True,
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'mode': 'rn',
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'allowlist': [ROUTER]
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},
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}
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def test(self):
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self.nodes[LEADER].start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[ROUTER].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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self.nodes[ED].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ED].get_state(), 'child')
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for i in range(0, 1010):
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self.assertTrue(self.nodes[ED].ping(self.nodes[LEADER].get_ip6_address(config.ADDRESS_TYPE.RLOC)))
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self.simulator.go(1)
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self.nodes[LEADER].reset()
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self.nodes[LEADER].start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[ROUTER].reset()
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self.nodes[ROUTER].start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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self.nodes[ED].reset()
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self.nodes[LEADER].add_allowlist(self.nodes[ROUTER].get_addr64())
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self.nodes[LEADER].enable_allowlist()
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self.nodes[ED].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ED].get_state(), 'child')
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self.assertTrue(self.nodes[ED].ping(self.nodes[LEADER].get_ip6_address(config.ADDRESS_TYPE.RLOC)))
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if __name__ == '__main__':
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unittest.main()
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