Files
openthread/tests/nexus/verify_1_1_5_5_4_2.py
Jonathan Hui 425adf50f1 [nexus] add '1_1' prefix to nexus test filenames (#12569)
This commit renames all nexus test files and updates corresponding
configuration and source files to include a '1_1_' prefix.

The '1_1' prefix represents the Thread 1.1 test plan. This change
prepares the nexus test suite for the addition of tests from the
Thread 1.2, 1.3, and 1.4 test plans, ensuring a clear and organized
structure for multi-version specification testing.

Changes include:
- Renaming test_<num>.cpp to test_1_1_<num>.cpp.
- Renaming verify_<num>.py to verify_1_1_<num>.py.
- Updating CMakeLists.txt to reflect new test names.
- Updating run_nexus_tests.sh for default tests and variants.
- Updating hardcoded JSON output filenames in C++ test sources.
- Updating testcase name identification in Python verification
  scripts.
2026-02-26 22:31:05 -06:00

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#!/usr/bin/env python3
#
# Copyright (c) 2026, 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 sys
import os
# Add the current directory to sys.path to find verify_utils
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
sys.path.append(CUR_DIR)
import verify_utils
from pktverify import consts
from pktverify.null_field import nullField
def verify(pv):
# 5.5.4 Split and Merge with Routers
#
# 5.5.4.2 Topology B (DUT as Router)
#
# Purpose & Description
# The purpose of this test case is to show that:
# - DUT device (R1) will join a new partition once the Leader is removed from the network for a time period
# longer than the leader timeout (120 seconds).
# - If DUT device, before NETWORK_ID_TIMEOUT expires, hears MLE advertisements from a singleton Thread
# Partition (with higher partition id), it will consider its partition has a higher priority and will not
# try to join the singleton Thread partition.
# - The network will merge once the Leader is reintroduced to the network.
#
# Spec Reference | V1.1 Section | V1.3.0 Section
# -----------------|--------------|---------------
# Partitioning | 4.8 | 4.6
# Merging | 4.9 | 4.7
pkts = pv.pkts
pv.summary.show()
LEADER = pv.vars['LEADER']
ROUTER_1 = pv.vars['ROUTER_1']
ROUTER_2 = pv.vars['ROUTER_2']
ROUTER_3 = pv.vars['ROUTER_3']
ROUTER_4 = pv.vars['ROUTER_4']
ROUTER_1_MLEID = pv.vars['ROUTER_1_MLEID']
ROUTER_4_MLEID = pv.vars['ROUTER_4_MLEID']
# Step 1: All
# - Description: Ensure topology is formed correctly.
# - Pass Criteria: N/A.
print("Step 1: All")
# Step 2: Leader, Router_1
# - Description: Automatically transmit MLE advertisements.
# - Pass Criteria:
# - Devices are sending properly formatted MLE Advertisements.
# - Advertisements MUST be sent with an IP Hop Limit of 255 to the Link-Local All-Nodes multicast address
# (FF02::1).
# - The following TLVs MUST be present:
# - Source Address TLV
# - Leader Data TLV
# - Route64 TLV.
print("Step 2: Leader, Router_1")
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_LLANMA().\
filter_wpan_src64(LEADER).\
filter(lambda p: {
consts.SOURCE_ADDRESS_TLV,
consts.LEADER_DATA_TLV,
consts.ROUTE64_TLV
} <= set(p.mle.tlv.type) and
p.ipv6.hlim == 255).\
must_next()
pkts.copy().\
filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_LLANMA().\
filter_wpan_src64(ROUTER_1).\
filter(lambda p: {
consts.SOURCE_ADDRESS_TLV,
consts.LEADER_DATA_TLV,
consts.ROUTE64_TLV
} <= set(p.mle.tlv.type) and
p.ipv6.hlim == 255).\
must_next()
# Step 3: Router_3
# - Description: Harness sets Partition ID on the device to maximum value. (This will take effect after
# partitioning and when Router_3 creates a new partition).
# - Pass Criteria: N/A.
print("Step 3: Router_3")
# Step 4: Leader
# - Description: Harness powers the device down for 200 seconds.
# - Pass Criteria: The device stops sending MLE advertisements.
print("Step 4: Leader")
# No packets to verify here, but the following steps will fail if it's still sending.
# Step 5: Router_3
# - Description: After NETWORK_ID_TIMEOUT=55s expires, automatically forms new partition with maximum
# Partition ID, takes leader role and begins transmitting MLE Advertisements.
# - Pass Criteria: N/A.
print("Step 5: Router_3")
r3_adv = pkts.filter_mle_cmd(consts.MLE_ADVERTISEMENT).\
filter_wpan_src64(ROUTER_3).\
filter(lambda p: p.mle.tlv.leader_data.partition_id == 0xffffffff).\
must_next()
# Step 6: Router_1 (DUT)
# - Description: Does not try to join Router_3’s partition.
# - Pass Criteria: During the ~10 seconds after the first MLE Advertisement is sent by Router_3 (with max
# Partition ID), the DUT MUST NOT send a Child ID Request frame – as an attempt to join Router_3’s partition.
print("Step 6: Router_1 (DUT)")
# We wait 10 seconds in the test. We'll check that no Child ID Request is sent by DUT in the next 10s.
pkts.copy().\
filter(lambda p: p.sniff_timestamp < r3_adv.sniff_timestamp + 10.0).\
filter_mle_cmd(consts.MLE_CHILD_ID_REQUEST).\
filter_wpan_src64(ROUTER_1).\
must_not_next()
# Step 7: Router_1 (DUT)
# - Description: After NETWORK_ID_TIMEOUT=120s expires, automatically attempts to reattach to previous
# partition.
# - Pass Criteria:
# - The DUT MUST attempt to reattach to its original partition by sending MLE Parent Requests to the
# Link-Local All-Routers multicast address with an IP Hop Limit of 255.
# - The following TLVs MUST be present:
# - Mode TLV
# - Challenge TLV
# - Scan Mask TLV (MUST have E and R flags set)
# - Version TLV
# - Router_1 MUST make two separate attempts to reconnect to its current Partition in this manner,.
print("Step 7: Router_1 (DUT)")
# First attempt
pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_LLARMA().\
filter_wpan_src64(ROUTER_1).\
filter(lambda p: {
consts.MODE_TLV,
consts.CHALLENGE_TLV,
consts.SCAN_MASK_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and
p.ipv6.hlim == 255 and
p.mle.tlv.scan_mask.r == 1 and
p.mle.tlv.scan_mask.e == 1).\
must_next()
# Second attempt
pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_LLARMA().\
filter_wpan_src64(ROUTER_1).\
filter(lambda p: {
consts.MODE_TLV,
consts.CHALLENGE_TLV,
consts.SCAN_MASK_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and
p.ipv6.hlim == 255 and
p.mle.tlv.scan_mask.r == 1 and
p.mle.tlv.scan_mask.e == 1).\
must_next()
# Step 8: Router_1 (DUT)
# - Description: Automatically attaches to Router_3 partition.
# - Pass Criteria: DUT attaches to the new partition by sending Parent Request, Child ID Request, and Address
# Solicit Request messages (See 5.1.1 Attaching for formatting).
print("Step 8: Router_1 (DUT)")
pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_LLARMA().\
filter_wpan_src64(ROUTER_1).\
must_next()
pkts.filter_mle_cmd(consts.MLE_CHILD_ID_REQUEST).\
filter_wpan_src64(ROUTER_1).\
must_next()
pkts.filter_coap_request('/a/as').\
filter_wpan_src64(ROUTER_1).\
must_next()
# Step 9: Leader
# - Description: Harness powers the device back up; it reattaches to the network.
# - Pass Criteria:
# - Leader sends a properly formatted MLE Parent Request to the Link-Local All-Routers multicast address
# with an IP Hop Limit of 255.
# - The following TLVs MUST be present in the MLE Parent Request:
# - Mode TLV
# - Challenge TLV
# - Scan Mask TLV = 0x80 (active Routers)
# - Version TLV.
print("Step 9: Leader")
pkts.filter_mle_cmd(consts.MLE_PARENT_REQUEST).\
filter_LLARMA().\
filter_wpan_src64(LEADER).\
filter(lambda p: {
consts.MODE_TLV,
consts.CHALLENGE_TLV,
consts.SCAN_MASK_TLV,
consts.VERSION_TLV
} <= set(p.mle.tlv.type) and
p.ipv6.hlim == 255 and
p.mle.tlv.scan_mask.r == 1 and
p.mle.tlv.scan_mask.e == 0).\
must_next()
# Step 10: Harness
# - Description: Waits for Network to merge.
# - Pass Criteria: N/A.
print("Step 10: Harness")
# Step 11: Router_4
# - Description: Harness instructs device to send an ICMPv6 ECHO Request to the DUT.
# - Pass Criteria: Router_4 MUST get an ICMPv6 ECHO Reply from DUT.
print("Step 11: Router_4")
pkts.filter_ping_request().\
filter(lambda p: p.ipv6.src == ROUTER_4_MLEID and
p.ipv6.dst == ROUTER_1_MLEID).\
must_next()
pkts.filter_ping_reply().\
filter(lambda p: p.ipv6.src == ROUTER_1_MLEID and
p.ipv6.dst == ROUTER_4_MLEID).\
must_next()
if __name__ == '__main__':
verify_utils.run_main(verify)