本文整理匯總了Python中twitter.common.testing.clock.ThreadedClock.sleep方法的典型用法代碼示例。如果您正苦於以下問題：Python ThreadedClock.sleep方法的具體用法？Python ThreadedClock.sleep怎麽用？Python ThreadedClock.sleep使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類twitter.common.testing.clock.ThreadedClock的用法示例。
在下文中一共展示了ThreadedClock.sleep方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: TestHealthChecker
# 需要導入模塊: from twitter.common.testing.clock import ThreadedClock [as 別名]
# 或者: from twitter.common.testing.clock.ThreadedClock import sleep [as 別名]
#.........這裏部分代碼省略.........
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=5)
assert hct.status.status == TaskState.Value('TASK_FAILED')
hct.stop()
# this is an implementation detail -- we healthcheck in the initializer and
# healthcheck in the run loop. if we ever change the implementation, expect
# this to break.
assert self._checker.health.call_count == 2
def test_consecutive_failures(self):
'''Verify that a task is unhealthy only after max_consecutive_failures is exceeded'''
initial_interval_secs = 2
interval_secs = 1
self.append_health_checks(False, num_calls=2)
self.append_health_checks(True)
self.append_health_checks(False, num_calls=3)
hct = HealthChecker(
self._checker.health,
interval_secs=interval_secs,
initial_interval_secs=initial_interval_secs,
max_consecutive_failures=2,
clock=self._clock)
hct.start()
self._clock.converge(threads=[hct.threaded_health_checker])
# 2 consecutive health check failures followed by a successful health check.
epsilon = 0.001
self._clock.tick(initial_interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status is None
assert hct.metrics.sample()['consecutive_failures'] == 1
self._clock.tick(interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status is None
assert hct.metrics.sample()['consecutive_failures'] == 2
self._clock.tick(interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status is None
assert hct.metrics.sample()['consecutive_failures'] == 0
# 3 consecutive health check failures.
self._clock.tick(interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status is None
assert hct.metrics.sample()['consecutive_failures'] == 1
self._clock.tick(interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status is None
assert hct.metrics.sample()['consecutive_failures'] == 2
self._clock.tick(interval_secs + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct.status.status == TaskState.Value('TASK_FAILED')
assert hct.metrics.sample()['consecutive_failures'] == 3
hct.stop()
assert self._checker.health.call_count == 6
def test_health_checker_metrics(self):
def slow_check():
self._clock.sleep(0.5)
return (True, None)
hct = HealthChecker(slow_check, interval_secs=1, initial_interval_secs=1, clock=self._clock)
hct.start()
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct._total_latency == 0
assert hct.metrics.sample()['total_latency_secs'] == 0
# start the health check (during health check it is still 0)
epsilon = 0.001
self._clock.tick(1.0 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=0.5)
assert hct._total_latency == 0
assert hct.metrics.sample()['total_latency_secs'] == 0
assert hct.metrics.sample()['checks'] == 0
# finish the health check
self._clock.tick(0.5 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1) # interval_secs
assert hct._total_latency == 0.5
assert hct.metrics.sample()['total_latency_secs'] == 0.5
assert hct.metrics.sample()['checks'] == 1
# tick again
self._clock.tick(1.0 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.tick(0.5 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1) # interval_secs
assert hct._total_latency == 1.0
assert hct.metrics.sample()['total_latency_secs'] == 1.0
assert hct.metrics.sample()['checks'] == 2示例2: TestHealthChecker
# 需要導入模塊: from twitter.common.testing.clock import ThreadedClock [as 別名]
# 或者: from twitter.common.testing.clock.ThreadedClock import sleep [as 別名]
#.........這裏部分代碼省略.........
max_consecutive_failures=2,
min_consecutive_successes=2,
clock=self._clock)
hct.start()
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult(None, TaskState.Value('TASK_STARTING'))
assert hct.metrics.sample()['consecutive_failures'] == 0
self._clock.tick(interval_secs)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult('Task is healthy.', TaskState.Value('TASK_RUNNING'))
assert hct.metrics.sample()['consecutive_failures'] == 0
assert hct.threaded_health_checker.running is True
self._clock.tick(interval_secs)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult('Task is healthy.', TaskState.Value('TASK_RUNNING'))
assert hct.metrics.sample()['consecutive_failures'] == 1
self._clock.tick(interval_secs)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult('Task is healthy.', TaskState.Value('TASK_RUNNING'))
assert hct.metrics.sample()['consecutive_failures'] == 2
self._clock.tick(interval_secs)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult('Failed health check! reason', TaskState.Value('TASK_FAILED'))
assert hct.metrics.sample()['consecutive_failures'] == 3
hct.stop()
assert self._checker.health.call_count == 5
def test_consecutive_failures_failfast(self):
'''Verify that health check is failed fast'''
grace_period_secs = self.initial_interval_secs
interval_secs = self.interval_secs
self.append_health_checks(False, num_calls=3)
hct = HealthChecker(
self._checker.health,
interval_secs=interval_secs,
grace_period_secs=grace_period_secs,
max_consecutive_failures=2,
min_consecutive_successes=2,
clock=self._clock)
hct.start()
# 3 consecutive health check failures causes fail-fast
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult(None, TaskState.Value('TASK_STARTING'))
# failure is ignored inside grace_period_secs
assert hct.metrics.sample()['consecutive_failures'] == 0
self._clock.tick(interval_secs)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, interval_secs)
assert hct.status == StatusResult('Failed health check! reason', TaskState.Value('TASK_FAILED'))
assert hct.metrics.sample()['consecutive_failures'] == 1
hct.stop()
assert self._checker.health.call_count == 2
@pytest.mark.skipif('True', reason='Flaky test (AURORA-1182)')
def test_health_checker_metrics(self):
def slow_check():
self._clock.sleep(0.5)
return (True, None)
hct = HealthChecker(slow_check, interval_secs=1, grace_period_secs=1, clock=self._clock)
hct.start()
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1)
assert hct._total_latency == 0
assert hct.metrics.sample()['total_latency_secs'] == 0
# start the health check (during health check it is still 0)
epsilon = 0.001
self._clock.tick(1.0 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=0.5)
assert hct._total_latency == 0
assert hct.metrics.sample()['total_latency_secs'] == 0
assert hct.metrics.sample()['checks'] == 0
# finish the health check
self._clock.tick(0.5 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1) # interval_secs
assert hct._total_latency == 0.5
assert hct.metrics.sample()['total_latency_secs'] == 0.5
assert hct.metrics.sample()['checks'] == 1
# tick again
self._clock.tick(1.0 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.tick(0.5 + epsilon)
self._clock.converge(threads=[hct.threaded_health_checker])
self._clock.assert_waiting(hct.threaded_health_checker, amount=1) # interval_secs
assert hct._total_latency == 1.0
assert hct.metrics.sample()['total_latency_secs'] == 1.0
assert hct.metrics.sample()['checks'] == 2