/** 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
* last call to clear() in JSON.
*
* @return The Sum of all the stats since last clear() in JSON.
*/
public String getSumJSON() {
String str =
String.format(
FakeUserStats.jsonMediaStreamStatsTemplate,
-1, // ssrc not needed here
downloadJitterMs.getSum(),
downloadPercentLoss.getSum(),
downloadRateKiloBitPerSec.getSum(),
jitterBufferDelayMs.getSum(),
jitterBufferDelayPackets.getSum(),
nbDiscarded.getSum(),
nbDiscardedFull.getSum(),
nbDiscardedLate.getSum(),
nbDiscardedReset.getSum(),
nbDiscardedShrink.getSum(),
nbFec.getSum(),
nbPackets.getSum(),
nbPacketsLost.getSum(),
nbReceivedBytes.getSum(),
nbSentBytes.getSum(),
packetQueueCountPackets.getSum(),
packetQueueSize.getSum(),
percentDiscarded.getSum(),
rttMs.getSum(),
uploadJitterMs.getSum(),
uploadPercentLoss.getSum(),
uploadRateKiloBitPerSec.getSum());
return str;
}
