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[nexus] improve robustness of test 9.2.6 verification (#12575)

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This commit addresses an intermittent failure in Nexus test 9.2.6
where Step 18 (MGMT_PENDING_SET.req) was occasionally not found.

The failure occurred because the verification script started
searching for the MGMT_PENDING_SET.req packet from index12. In the
simulated Nexus environment, packet capture order from different
nodes can occasionally vary slightly when events occur at nearly
the same simulation time.

The fix expands the search range by starting from index9 (the
Leader's initial update), ensuring that the MGMT_PENDING_SET.req
packet is correctly identified regardless of minor capture order
variations. Since the URI is unique to this part of the test, this
remains a precise filter.

Additionally, this change ensures the global packet index moves
forward correctly by taking the maximum of all relevant child
filter indices.
This commit is contained in:
Jonathan Hui
2026-02-26 15:49:40 -06:00
committed by GitHub
parent f03cecdff6
commit 25761fb234
1 changed files with 4 additions and 3 deletions
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tests/nexus/verify_9_2_6.py
+4 -3
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@@ -396,7 +396,7 @@ def verify(pv):
} <= set(p.mle.tlv.type)).\
must_next()
pkts.index = max(med_pkts.index, sed_pkts.index)
pkts.index = max(pkts.index, med_pkts.index, sed_pkts.index)
# Step 18: Commissioner
# - Description: Harness instructs Commissioner to send MGMT_PENDING_SET.req to the Leader Anycast or Routing
@@ -408,7 +408,8 @@ def verify(pv):
print("Step 18: Commissioner sends MGMT_PENDING_SET.req")
# Commissioner sends MGMT_PENDING_SET.req after Step 12.
# It might overlap with MED/SED updates (Steps 13-17).
pkts_step18 = pv.pkts.range(index12)
# We search from index9 to be robust.
pkts_step18 = pkts.range(index9)
pkts_step18.filter_coap_request(consts.MGMT_PENDING_SET_URI).\
filter(lambda p: p.coap.tlv.type is not nullField and\
{
@@ -646,7 +647,7 @@ def verify(pv):
} <= set(p.mle.tlv.type)).\
must_next()
pkts.index = max(med_pkts.index, sed_pkts.index)
pkts.index = max(pkts.index, med_pkts.index, sed_pkts.index)
# Step 29: Harness
# - Description: Wait for delay timer to expire.