Files
patroni/features/steps/watchdog.py
T
Alexander KukushkinandGitHub acc6d7c2c2 Watchdog unit-tests, bugfixes and questions (#449)
Implement missing unit-tests for and drop unused code
2017-07-11 10:00:30 +02:00

75 lines
2.1 KiB
Python

from behave import step, then
import time
def polling_loop(timeout, interval=1):
"""Returns an iterator that returns values until timeout has passed. Timeout is measured from start of iteration."""
start_time = time.time()
iteration = 0
end_time = start_time + timeout
while time.time() < end_time:
yield iteration
iteration += 1
time.sleep(interval)
@step('I start {name:w} with watchdog')
def start_patroni_with_watchdog(context, name):
return context.pctl.start(name, with_watchdog=True)
@step('{name:w} watchdog has been pinged after {timeout:d} seconds')
def watchdog_was_pinged(context, name, timeout):
for _ in polling_loop(timeout):
if context.pctl.get_watchdog(name).was_pinged:
return True
return False
@then('{name:w} watchdog has been closed')
def watchdog_was_closed(context, name):
assert context.pctl.get_watchdog(name).was_closed
@step('I wait for next {name:w} watchdog ping')
def watchdog_reset_pinged(context, name):
context.pctl.get_watchdog(name).reset()
@then('{name:w} watchdog is triggered after {timeout:d} seconds')
def watchdog_was_triggered(context, name, timeout):
for _ in polling_loop(timeout):
if context.pctl.get_watchdog(name).was_triggered:
return True
assert False
@then('{name:w} watchdog was not triggered')
def watchdog_was_not_triggered(context, name):
assert not context.pctl.get_watchdog(name).was_triggered
@step('{name:w} checkpoint takes {timeout:d} seconds')
def checkpoint_hang(context, name, timeout):
assert context.pctl.checkpoint_hang(name, timeout)
@step('{name:w} hangs for {timeout:d} seconds')
def postmaster_hang(context, name, timeout):
return context.pctl.postmaster_hang(name, timeout)
@step('I terminate {name:w} user processes')
def terminate_backends(context, name):
return context.pctl.terminate_backends(name)
@step('Sleep for {timeout:d} seconds')
def dcs_connection_lost(context, timeout):
time.sleep(timeout)
@then('{name:w} database is running')
def database_is_running(context, name):
assert context.pctl.database_is_running(name)