/** Tests the standard aggregation behavior */
@Test
public void testAggregation() {
AggregateSummaryStatistics aggregate = new AggregateSummaryStatistics();
SummaryStatistics setOneStats = aggregate.createContributingStatistics();
SummaryStatistics setTwoStats = aggregate.createContributingStatistics();
Assert.assertNotNull("The set one contributing stats are null", setOneStats);
Assert.assertNotNull("The set two contributing stats are null", setTwoStats);
Assert.assertNotSame("Contributing stats objects are the same", setOneStats, setTwoStats);
setOneStats.addValue(2);
setOneStats.addValue(3);
setOneStats.addValue(5);
setOneStats.addValue(7);
setOneStats.addValue(11);
Assert.assertEquals("Wrong number of set one values", 5, setOneStats.getN());
Assert.assertTrue(
"Wrong sum of set one values", Precision.equals(28.0, setOneStats.getSum(), 1));
setTwoStats.addValue(2);
setTwoStats.addValue(4);
setTwoStats.addValue(8);
Assert.assertEquals("Wrong number of set two values", 3, setTwoStats.getN());
Assert.assertTrue(
"Wrong sum of set two values", Precision.equals(14.0, setTwoStats.getSum(), 1));
Assert.assertEquals("Wrong number of aggregate values", 8, aggregate.getN());
Assert.assertTrue("Wrong aggregate sum", Precision.equals(42.0, aggregate.getSum(), 1));
}
/**
* Get the Sum of all the stats that are watched, for all the stats added with add() since the
* creation of this <tt>HammerSummaryStats</tt>
*
* @return The Sum of all the stats in JSON.
*/
public String getAggregateSumJSON() {
String str =
String.format(
FakeUserStats.jsonMediaStreamStatsTemplate,
-1, // ssrc not needed here
aggregateDownloadJitterMs.getSum(),
aggregateDownloadPercentLoss.getSum(),
aggregateDownloadRateKiloBitPerSec.getSum(),
aggregateJitterBufferDelayMs.getSum(),
aggregateJitterBufferDelayPackets.getSum(),
aggregateNbDiscarded.getSum(),
aggregateNbDiscardedFull.getSum(),
aggregateNbDiscardedLate.getSum(),
aggregateNbDiscardedReset.getSum(),
aggregateNbDiscardedShrink.getSum(),
aggregateNbFec.getSum(),
aggregateNbPackets.getSum(),
aggregateNbPacketsLost.getSum(),
aggregateNbReceivedBytes.getSum(),
aggregateNbSentBytes.getSum(),
aggregatePacketQueueCountPackets.getSum(),
aggregatePacketQueueSize.getSum(),
aggregatePercentDiscarded.getSum(),
aggregateRttMs.getSum(),
aggregateUploadJitterMs.getSum(),
aggregateUploadPercentLoss.getSum(),
aggregateUploadRateKiloBitPerSec.getSum());
return str;
}