Make forknotify.py more robust

forknotify would intermittently fail because the alert file was not
being written fast enough. This commit adds a timeout so the test does
not fail immediately.
This commit is contained in:
John Newbery 2017-03-24 12:35:28 -04:00
parent 1f3d78b4e0
commit a4fd89fddb

View file

@ -3,6 +3,8 @@
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the -alertnotify option."""
import os
import time
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
@ -41,12 +43,19 @@ class ForkNotifyTest(BitcoinTestFramework):
self.nodes[1].generate(1)
self.sync_all()
# Give bitcoind 10 seconds to write the alert notification
timeout = 10.0
while timeout > 0:
if os.path.exists(self.alert_filename) and os.path.getsize(self.alert_filename):
break
time.sleep(0.1)
timeout -= 0.1
else:
assert False, "-alertnotify did not warn of up-version blocks"
with open(self.alert_filename, 'r', encoding='utf8') as f:
alert_text = f.read()
if len(alert_text) == 0:
raise AssertionError("-alertnotify did not warn of up-version blocks")
# Mine more up-version blocks, should not get more alerts:
self.nodes[1].generate(1)
self.sync_all()