/**
* Test that the timeout method on a singleton bean, which creates a timer, is invoked at
* appropriate intervals.
*
* @throws Exception
*/
@Test
public void testTimeout() throws Exception {
TimerUtil timerUtil = (TimerUtil) this.getInitialContext().lookup(TimerSingleton.JNDI_NAME);
Date fiveSecondsFromNow = new Date(System.currentTimeMillis() + 5000);
long everyTwoSeconds = 2000;
int fiveTimes = 5;
timerUtil.createTimer(fiveSecondsFromNow, everyTwoSeconds, fiveTimes);
// wait for the timers to be invoked
Thread.sleep(5000 + 10000 + 5000);
TimeoutTracker timeoutTracker = timerUtil.getTimeoutTracker();
Assert.assertNotNull("Could not get the timeout tracker", timeoutTracker);
Assert.assertEquals(
"Unexpected number of timeouts", fiveTimes, timeoutTracker.getTimeoutCount());
List<Date> timeouts = timeoutTracker.getTimeouts();
// 1 second grace period
Date lastExpectedTimeout =
new Date(fiveSecondsFromNow.getTime() + (everyTwoSeconds * fiveTimes) + 1000);
for (Date timeout : timeouts) {
logger.debug("Timeout was tracked at " + timeout);
Assert.assertFalse(
"Timeout " + timeout + " happened before the first timeout " + fiveSecondsFromNow,
timeout.before(fiveSecondsFromNow));
Assert.assertTrue(
"Timeout " + timeout + " happened after the last expected timeout " + lastExpectedTimeout,
timeout.before(lastExpectedTimeout));
}
}