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[link-metrics] add blocking CLI query command and enhance tests (#8108)

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This commit updates CLI `linkmetrics query` command to allow it
to be used in blocking mode (wait for response to query). This
is then used in different tests to validate the `LinkMetrics`
module behavior. In particular, `v1_2_test_single_probe` and
`v1_2_LowPower_7_2_01_ForwardTrackingSeries` are updated to
validate that the received query report message is correctly
parsed.
This commit is contained in:
Abtin Keshavarzian
2022-09-01 10:49:02 -07:00
committed by GitHub
parent c3dd3ba8fb
commit 6dca78e757
5 changed files with 90 additions and 37 deletions
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tests/scripts/thread-cert/node.py
+29 -6
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@@ -2861,15 +2861,38 @@ class NodeImpl:
return router_table
def link_metrics_query_single_probe(self, dst_addr: str, linkmetrics_flags: str):
cmd = 'linkmetrics query %s single %s' % (dst_addr, linkmetrics_flags)
def link_metrics_query_single_probe(self, dst_addr: str, linkmetrics_flags: str, block: str = ""):
cmd = 'linkmetrics query %s single %s %s' % (dst_addr, linkmetrics_flags, block)
self.send_command(cmd)
self._expect_done()
self.simulator.go(5)
return self._parse_linkmetrics_query_result(self._expect_command_output())
def link_metrics_query_forward_tracking_series(self, dst_addr: str, series_id: int):
cmd = 'linkmetrics query %s forward %d' % (dst_addr, series_id)
def link_metrics_query_forward_tracking_series(self, dst_addr: str, series_id: int, block: str = ""):
cmd = 'linkmetrics query %s forward %d %s' % (dst_addr, series_id, block)
self.send_command(cmd)
self._expect_done()
self.simulator.go(5)
return self._parse_linkmetrics_query_result(self._expect_command_output())
def _parse_linkmetrics_query_result(self, lines):
"""Parse link metrics query result"""
# Exmaple of command output:
# ['Received Link Metrics Report from: fe80:0:0:0:146e:a00:0:1',
# '- PDU Counter: 1 (Count/Summation)',
# '- LQI: 0 (Exponential Moving Average)',
# '- Margin: 80 (dB) (Exponential Moving Average)',
# '- RSSI: -20 (dBm) (Exponential Moving Average)']
#
# Or 'Link Metrics Report, status: {status}'
result = {}
for line in lines:
if line.startswith('- '):
k, v = line[2:].split(': ')
result[k] = v.split(' ')[0]
elif line.startswith('Link Metrics Report, status: '):
result['Status'] = line[29:]
return result
def link_metrics_mgmt_req_enhanced_ack_based_probing(self,
dst_addr: str,