@Test
public void testScheduleFixedRateCallable() throws Exception {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isZero();
assertThat(duration.getCount()).isZero();
assertThat(scheduledOnce.getCount()).isZero();
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
ScheduledFuture<?> theFuture =
instrumentedScheduledExecutor.scheduleAtFixedRate(
new Runnable() {
public void run() {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isEqualTo(1);
assertThat(scheduledOnce.getCount()).isEqualTo(0);
assertThat(scheduledRepetitively.getCount()).isEqualTo(1);
try {
TimeUnit.MILLISECONDS.sleep(50);
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
return;
}
},
10L,
10L,
TimeUnit.MILLISECONDS);
TimeUnit.MILLISECONDS.sleep(100);
theFuture.cancel(true);
TimeUnit.MILLISECONDS.sleep(100);
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isNotEqualTo(0);
assertThat(duration.getCount()).isNotEqualTo(0);
assertThat(duration.getSnapshot().size()).isNotEqualTo(0);
assertThat(scheduledOnce.getCount()).isZero();
assertThat(scheduledRepetitively.getCount()).isEqualTo(1);
assertThat(scheduledOverrun.getCount()).isNotEqualTo(0);
assertThat(percentOfPeriod.getCount()).isNotEqualTo(0);
}
@Test
public void testScheduleCallable() throws Exception {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isZero();
assertThat(duration.getCount()).isZero();
assertThat(scheduledOnce.getCount()).isZero();
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
final Object obj = new Object();
ScheduledFuture<Object> theFuture =
instrumentedScheduledExecutor.schedule(
new Callable<Object>() {
public Object call() {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isEqualTo(1);
assertThat(completed.getCount()).isZero();
assertThat(duration.getCount()).isZero();
assertThat(scheduledOnce.getCount()).isEqualTo(1);
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
return obj;
}
},
10L,
TimeUnit.MILLISECONDS);
assertThat(theFuture.get()).isEqualTo(obj);
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isEqualTo(1);
assertThat(duration.getCount()).isEqualTo(1);
assertThat(duration.getSnapshot().size()).isEqualTo(1);
assertThat(scheduledOnce.getCount()).isEqualTo(1);
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
}
private void collectMeterReports(
List<DBObject> docs, SortedMap<String, Meter> meters, Date timestamp) {
if (meters.isEmpty()) return;
for (Map.Entry<String, Meter> entry : meters.entrySet()) {
final BasicDBObject report = getBasicDBObject(timestamp, entry.getKey(), "meter");
final Meter v = entry.getValue();
report.put("count", v.getCount());
report.put("1-minute-rate", v.getOneMinuteRate());
report.put("5-minute-rate", v.getFiveMinuteRate());
report.put("15-minute-rate", v.getFifteenMinuteRate());
report.put("mean-rate", v.getMeanRate());
docs.add(report);
}
}
@Test
public void testScheduleRunnable() throws Exception {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isZero();
assertThat(duration.getCount()).isZero();
assertThat(scheduledOnce.getCount()).isZero();
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
ScheduledFuture<?> theFuture =
instrumentedScheduledExecutor.schedule(
new Runnable() {
public void run() {
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isEqualTo(1);
assertThat(completed.getCount()).isZero();
assertThat(duration.getCount()).isZero();
assertThat(scheduledOnce.getCount()).isEqualTo(1);
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
}
},
10L,
TimeUnit.MILLISECONDS);
theFuture.get();
assertThat(submitted.getCount()).isZero();
assertThat(running.getCount()).isZero();
assertThat(completed.getCount()).isEqualTo(1);
assertThat(duration.getCount()).isEqualTo(1);
assertThat(duration.getSnapshot().size()).isEqualTo(1);
assertThat(scheduledOnce.getCount()).isEqualTo(1);
assertThat(scheduledRepetitively.getCount()).isZero();
assertThat(scheduledOverrun.getCount()).isZero();
assertThat(percentOfPeriod.getCount()).isZero();
}
@Test
public void reportsMeterValues() throws Exception {
final Meter meter = mock(Meter.class);
when(meter.getCount()).thenReturn(1L);
when(meter.getMeanRate()).thenReturn(2.0);
when(meter.getOneMinuteRate()).thenReturn(3.0);
when(meter.getFiveMinuteRate()).thenReturn(4.0);
when(meter.getFifteenMinuteRate()).thenReturn(5.0);
reporter.report(
this.<Gauge>map(),
this.<Counter>map(),
this.<Histogram>map(),
map("test.meter", meter),
this.<Timer>map());
verify(ganglia)
.announce(
"test.meter.count",
"1",
GMetricType.DOUBLE,
"events",
GMetricSlope.BOTH,
60,
0,
"test");
verify(ganglia)
.announce(
"test.meter.mean_rate",
"2.0",
GMetricType.DOUBLE,
"events/second",
GMetricSlope.BOTH,
60,
0,
"test");
verify(ganglia)
.announce(
"test.meter.m1_rate",
"3.0",
GMetricType.DOUBLE,
"events/second",
GMetricSlope.BOTH,
60,
0,
"test");
verify(ganglia)
.announce(
"test.meter.m5_rate",
"4.0",
GMetricType.DOUBLE,
"events/second",
GMetricSlope.BOTH,
60,
0,
"test");
verify(ganglia)
.announce(
"test.meter.m15_rate",
"5.0",
GMetricType.DOUBLE,
"events/second",
GMetricSlope.BOTH,
60,
0,
"test");
verifyNoMoreInteractions(ganglia);
}
