@Test public void testSizeTriggerFunctional() throws FlumeSpecException, IOException, InterruptedException { // a ridiculous amount of time trigger time to forces size trigger EventSink snk = FlumeBuilder.buildSink( LogicalNodeContext.testingContext(), "roll(1000000, trigger=size(10)) { console }"); snk.open(); // Events from this loop: // 0, 1, trigger, 2, 3, trigger, 4, 5, trigger, 6, 7, trigger, 8 ,9, for (int i = 0; i < 10; i++) { snk.append(new EventImpl("6chars".getBytes())); } snk.close(); ReportEvent rpt = snk.getMetrics(); // See above for why there are 4 triggers: assertEquals(4, (long) rpt.getLongMetric(RollSink.A_ROLLS)); }