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flake: fix in-flight statuses causing flakyness when asserting payment success/failure #9238

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flake: fix in-flight statuses causing flakyness when asserting payment success/failure #9238

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11 changes: 11 additions & 0 deletions tests/test_pay.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5312,6 +5312,17 @@ def test_sendpay_grouping(node_factory, bitcoind):
# And finally we should have all 3 attempts to pay the invoice
pays = l1.rpc.listpays()['pays']
assert(len(pays) == 3)

# xpay returns the failure to the caller before it finishes cleaning up
# the payment, so a failed attempt can still be reported as 'pending'
# (attempt_ongoing() -> true) right after the rpc returns. Each xpay payment
# owns a private "xpay-<n>" askrene layer which is removed in that same cleanup,
# so wait for them all to disappear before checking the exact statuses.
# If payment hangs indefinetly, the default timeout will fail the test
# (60s/180s if SLOW_MACHINE=1).
wait_for(lambda: not any(layer['layer'].startswith('xpay-')
for layer in l1.rpc.askrene_listlayers()['layers']))
pays = l1.rpc.listpays()['pays']
assert([p['status'] for p in pays] == ['failed', 'failed', 'complete'])


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