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[thread-cert] refactor case 5.1.6 using pktverify (#5730)

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This commit is contained in:
Jing Ma
2020-11-02 23:34:19 -08:00
committed by GitHub
parent 5dd9aec1cd
commit 2fb64c6055
1 changed files with 118 additions and 31 deletions
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tests/scripts/thread-cert/Cert_5_1_06_RemoveRouterId.py
+118 -31
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@@ -30,22 +30,45 @@
import unittest
import command
import config
import mle
import thread_cert
from command import CheckType
from pktverify.consts import MLE_PARENT_REQUEST, MLE_CHILD_ID_REQUEST, ADDR_SOL_URI, MODE_TLV, TIMEOUT_TLV, CHALLENGE_TLV, RESPONSE_TLV, LINK_LAYER_FRAME_COUNTER_TLV, ADDRESS16_TLV, NETWORK_DATA_TLV, TLV_REQUEST_TLV, SCAN_MASK_TLV, VERSION_TLV, ADDRESS_REGISTRATION_TLV, NL_MAC_EXTENDED_ADDRESS_TLV, NL_RLOC16_TLV, NL_STATUS_TLV, NL_ROUTER_MASK_TLV, COAP_CODE_POST, COAP_CODE_ACK
from pktverify.packet_verifier import PacketVerifier
from pktverify.null_field import nullField
LEADER = 1
ROUTER1 = 2
# Test Purpose and Description:
# -----------------------------
# The purpose of this test case is to verify that when the Leader
# de-allocates a router ID, the DUT, as a router, re-attaches.
#
# Test Topology:
# -------------
# Leader
# |
# Router
#
# DUT Types:
# ----------
# Router
class Cert_5_1_06_RemoveRouterId(thread_cert.TestCase):
USE_MESSAGE_FACTORY = False
TOPOLOGY = {
LEADER: {
'name': 'LEADER',
'mode': 'rdn',
'panid': 0xface,
'allowlist': [ROUTER1]
},
ROUTER1: {
'name': 'ROUTER',
'mode': 'rdn',
'panid': 0xface,
'router_selection_jitter': 1,
@@ -62,53 +85,117 @@ class Cert_5_1_06_RemoveRouterId(thread_cert.TestCase):
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
rloc16 = self.nodes[ROUTER1].get_addr16()
self.collect_rloc16s()
for addr in self.nodes[ROUTER1].get_addrs():
self.assertTrue(self.nodes[LEADER].ping(addr))
router_lladdr = self.nodes[ROUTER1].get_ip6_address(config.ADDRESS_TYPE.LINK_LOCAL)
self.assertTrue(self.nodes[LEADER].ping(router_lladdr))
self.nodes[LEADER].release_router_id(rloc16 >> 10)
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
leader_messages = self.simulator.get_messages_sent_by(LEADER)
router1_messages = self.simulator.get_messages_sent_by(ROUTER1)
self.assertTrue(self.nodes[LEADER].ping(router_lladdr))
# 1 - All
leader_messages.next_mle_message(mle.CommandType.ADVERTISEMENT)
def verify(self, pv):
pkts = pv.pkts
pv.summary.show()
router1_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
leader_messages.next_mle_message(mle.CommandType.PARENT_RESPONSE)
LEADER = pv.vars['LEADER']
LEADER_RLOC16 = pv.vars['LEADER_RLOC16']
ROUTER = pv.vars['ROUTER']
MM = pv.vars['MM_PORT']
router1_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST)
leader_messages.next_mle_message(mle.CommandType.CHILD_ID_RESPONSE)
# Step 1: Verify topology is formed correctly.
msg = router1_messages.next_coap_message("0.02")
msg.assertCoapMessageRequestUriPath("/a/as")
pv.verify_attached('ROUTER')
_pkt_as = pkts.filter_wpan_src64(LEADER).\
filter_coap_ack(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_STATUS_TLV,
NL_RLOC16_TLV,
NL_ROUTER_MASK_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_ACK and\
p.thread_address.tlv.status == 0
).\
must_next()
leader_messages.next_coap_message("2.04")
# Step 3: Router send a properly formatted
# MLE Parent Request,
# MLE Child ID Request,
# and Address Solicit Request
# messages to the Leader.
# 2 - N/A
pkts.filter_wpan_src64(ROUTER).\
filter_LLARMA().\
filter_mle_cmd(MLE_PARENT_REQUEST).\
filter(lambda p: {
CHALLENGE_TLV,
MODE_TLV,
SCAN_MASK_TLV,
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()
# 3 - Router1
msg = router1_messages.next_mle_message(mle.CommandType.PARENT_REQUEST)
command.check_parent_request(msg, is_first_request=True)
_pkt = pkts.filter_wpan_src64(ROUTER).\
filter_wpan_dst64(LEADER).\
filter_mle_cmd(MLE_CHILD_ID_REQUEST).\
filter(lambda p: {
LINK_LAYER_FRAME_COUNTER_TLV,
MODE_TLV,
RESPONSE_TLV,
TIMEOUT_TLV,
TLV_REQUEST_TLV,
ADDRESS16_TLV,
NETWORK_DATA_TLV,
VERSION_TLV
} <= set(p.mle.tlv.type) and\
p.mle.tlv.addr16 is nullField and\
p.thread_nwd.tlv.type is nullField).\
must_next()
_pkt.must_not_verify(lambda p: (ADDRESS_REGISTRATION_TLV) in p.mle.tlv.type)
msg = router1_messages.next_mle_message(mle.CommandType.CHILD_ID_REQUEST, sent_to_node=self.nodes[LEADER])
command.check_child_id_request(
msg,
tlv_request=CheckType.CONTAIN,
mle_frame_counter=CheckType.OPTIONAL,
address_registration=CheckType.NOT_CONTAIN,
active_timestamp=CheckType.OPTIONAL,
pending_timestamp=CheckType.OPTIONAL,
)
pkts.filter_wpan_src64(ROUTER).\
filter_wpan_dst16(LEADER_RLOC16).\
filter_coap_request(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_MAC_EXTENDED_ADDRESS_TLV,
NL_RLOC16_TLV,
NL_STATUS_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_POST and\
p.thread_address.tlv.rloc16 ==
_pkt_as.thread_address.tlv.rloc16
).\
must_next()
msg = router1_messages.next_coap_message(code="0.02")
command.check_address_solicit(msg, was_router=True)
pkts.filter_wpan_src64(LEADER).\
filter_coap_ack(ADDR_SOL_URI, port=MM).\
filter(lambda p: {
NL_STATUS_TLV,
NL_RLOC16_TLV,
NL_ROUTER_MASK_TLV
} == set(p.coap.tlv.type) and\
p.coap.code == COAP_CODE_ACK and\
p.thread_address.tlv.rloc16 !=
_pkt_as.thread_address.tlv.rloc16 and\
p.thread_address.tlv.status == 0
).\
must_next()
# 4 - Router1
for addr in self.nodes[ROUTER1].get_addrs():
self.assertTrue(self.nodes[LEADER].ping(addr))
# Step 4: DUT responds with ICMPv6 Echo Reply
_pkt = pkts.filter_ping_request().\
filter_wpan_src64(LEADER).\
filter_wpan_dst64(ROUTER).\
must_next()
pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\
filter_wpan_src64(ROUTER).\
filter_wpan_dst64(LEADER).\
must_next()
if __name__ == '__main__':