@Test
public void testAtWatermarkAndLate() throws Exception {
tester =
TriggerTester.forTrigger(
AfterWatermark.<IntervalWindow>pastEndOfWindow().withLateFirings(mockLate),
FixedWindows.of(Duration.millis(100)));
injectElements(1);
IntervalWindow window = new IntervalWindow(new Instant(0), new Instant(100));
// No early firing, just double checking
when(mockEarly.shouldFire(anyTriggerContext())).thenReturn(true);
assertFalse(tester.shouldFire(window));
tester.fireIfShouldFire(window);
assertFalse(tester.isMarkedFinished(window));
// Fire due to watermark
when(mockEarly.shouldFire(anyTriggerContext())).thenReturn(false);
tester.advanceInputWatermark(new Instant(100));
assertTrue(tester.shouldFire(window));
tester.fireIfShouldFire(window);
assertFalse(tester.isMarkedFinished(window));
testRunningAsTrigger(mockLate, window);
}
public void testRunningAsTrigger(OnceTrigger<IntervalWindow> mockTrigger, IntervalWindow window)
throws Exception {
// Don't fire due to mock saying no
when(mockTrigger.shouldFire(anyTriggerContext())).thenReturn(false);
assertFalse(tester.shouldFire(window)); // not ready
// Fire due to mock trigger; early trigger is required to be a OnceTrigger
when(mockTrigger.shouldFire(anyTriggerContext())).thenReturn(true);
assertTrue(tester.shouldFire(window)); // ready
tester.fireIfShouldFire(window);
assertFalse(tester.isMarkedFinished(window));
}