| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.ambari.metrics.core.timeline.function; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.hadoop.metrics2.sink.timeline.TimelineMetric; |
| import org.apache.hadoop.metrics2.sink.timeline.TimelineMetrics; |
| import org.junit.Test; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TimelineMetricsSeriesAggregateFunctionTest { |
| |
| public static final double DELTA = 0.00000000001; |
| |
| @Test public void testSeriesAggregateBySummation() throws Exception { |
| TimelineMetrics testMetrics = getTestObject(); |
| // all TimelineMetric are having same values |
| TreeMap<Long, Double> metricValues = testMetrics.getMetrics().get(0).getMetricValues(); |
| |
| TimelineMetricsSeriesAggregateFunction function = TimelineMetricsSeriesAggregateFunctionFactory |
| .newInstance(SeriesAggregateFunction.SUM); |
| TimelineMetric aggregatedMetric = function.apply(testMetrics); |
| |
| String aggregatedMetricName = aggregatedMetric.getMetricName(); |
| String aggregatedHostName = aggregatedMetric.getHostName(); |
| String aggregatedAppId = aggregatedMetric.getAppId(); |
| String aggregatedInstanceId = aggregatedMetric.getInstanceId(); |
| |
| for (TimelineMetric testMetric : testMetrics.getMetrics()) { |
| assertTrue(aggregatedMetricName.contains(testMetric.getMetricName())); |
| assertTrue(aggregatedHostName.contains(testMetric.getHostName())); |
| if (!testMetric.getMetricName().equals("byte_in.3")) { |
| assertTrue(aggregatedAppId.contains(testMetric.getAppId())); |
| assertTrue(aggregatedInstanceId.contains(testMetric.getInstanceId())); |
| } |
| } |
| |
| TreeMap<Long, Double> summationMetricValues = aggregatedMetric.getMetricValues(); |
| assertEquals(3, summationMetricValues.size()); |
| for (Map.Entry<Long, Double> tsAndValue : summationMetricValues.entrySet()) { |
| assertEquals(metricValues.get(tsAndValue.getKey()) * 3, tsAndValue.getValue(), DELTA); |
| } |
| } |
| |
| @Test public void testSeriesAggregateByAverage() throws Exception { |
| TimelineMetrics testMetrics = getTestObject(); |
| // all TimelineMetric are having same values |
| TreeMap<Long, Double> metricValues = testMetrics.getMetrics().get(0).getMetricValues(); |
| |
| TimelineMetricsSeriesAggregateFunction function = TimelineMetricsSeriesAggregateFunctionFactory |
| .newInstance(SeriesAggregateFunction.AVG); |
| TimelineMetric aggregatedMetric = function.apply(testMetrics); |
| |
| // checks only values, others are covered by testSeriesAggregateBySummation |
| TreeMap<Long, Double> averageMetricValues = aggregatedMetric.getMetricValues(); |
| assertEquals(3, averageMetricValues.size()); |
| for (Map.Entry<Long, Double> tsAndValue : averageMetricValues.entrySet()) { |
| assertEquals(metricValues.get(tsAndValue.getKey()), tsAndValue.getValue(), DELTA); |
| } |
| } |
| |
| @Test public void testSeriesAggregateByMax() throws Exception { |
| TimelineMetrics testMetrics = getTestObject(); |
| |
| // override metric values |
| TreeMap<Long, Double> metricValues = new TreeMap<>(); |
| metricValues.put(1L, 1.0); |
| metricValues.put(2L, 2.0); |
| metricValues.put(3L, 3.0); |
| |
| testMetrics.getMetrics().get(0).setMetricValues(metricValues); |
| |
| TreeMap<Long, Double> metricValues2 = new TreeMap<>(); |
| metricValues2.put(1L, 2.0); |
| metricValues2.put(2L, 4.0); |
| metricValues2.put(3L, 6.0); |
| |
| testMetrics.getMetrics().get(1).setMetricValues(metricValues2); |
| |
| TreeMap<Long, Double> metricValues3 = new TreeMap<>(); |
| metricValues3.put(1L, 3.0); |
| metricValues3.put(2L, 6.0); |
| metricValues3.put(3L, 9.0); |
| |
| testMetrics.getMetrics().get(2).setMetricValues(metricValues3); |
| |
| TimelineMetricsSeriesAggregateFunction function = TimelineMetricsSeriesAggregateFunctionFactory |
| .newInstance(SeriesAggregateFunction.MAX); |
| TimelineMetric aggregatedMetric = function.apply(testMetrics); |
| |
| // checks only values, others are covered by testSeriesAggregateBySummation |
| TreeMap<Long, Double> maxMetricValues = aggregatedMetric.getMetricValues(); |
| assertEquals(3, maxMetricValues.size()); |
| for (Map.Entry<Long, Double> tsAndValue : maxMetricValues.entrySet()) { |
| assertEquals(metricValues3.get(tsAndValue.getKey()), tsAndValue.getValue(), DELTA); |
| } |
| } |
| |
| @Test public void testSeriesAggregateByMin() throws Exception { |
| TimelineMetrics testMetrics = getTestObject(); |
| |
| // override metric values |
| TreeMap<Long, Double> metricValues = new TreeMap<>(); |
| metricValues.put(1L, 1.0); |
| metricValues.put(2L, 2.0); |
| metricValues.put(3L, 3.0); |
| |
| testMetrics.getMetrics().get(0).setMetricValues(metricValues); |
| |
| TreeMap<Long, Double> metricValues2 = new TreeMap<>(); |
| metricValues2.put(1L, 2.0); |
| metricValues2.put(2L, 4.0); |
| metricValues2.put(3L, 6.0); |
| |
| testMetrics.getMetrics().get(1).setMetricValues(metricValues2); |
| |
| TreeMap<Long, Double> metricValues3 = new TreeMap<>(); |
| metricValues3.put(1L, 3.0); |
| metricValues3.put(2L, 6.0); |
| metricValues3.put(3L, 9.0); |
| |
| testMetrics.getMetrics().get(2).setMetricValues(metricValues3); |
| |
| TimelineMetricsSeriesAggregateFunction function = TimelineMetricsSeriesAggregateFunctionFactory |
| .newInstance(SeriesAggregateFunction.MIN); |
| TimelineMetric aggregatedMetric = function.apply(testMetrics); |
| |
| // checks only values, others are covered by testSeriesAggregateBySummation |
| TreeMap<Long, Double> minMetricValues = aggregatedMetric.getMetricValues(); |
| assertEquals(3, minMetricValues.size()); |
| for (Map.Entry<Long, Double> tsAndValue : minMetricValues.entrySet()) { |
| assertEquals(metricValues.get(tsAndValue.getKey()), tsAndValue.getValue(), DELTA); |
| } |
| } |
| |
| private TimelineMetrics getTestObject() { |
| TimelineMetric metric = new TimelineMetric(); |
| metric.setMetricName("byte_in.1"); |
| metric.setHostName("host1"); |
| metric.setAppId("app1"); |
| metric.setInstanceId("instance1"); |
| |
| TimelineMetric metric2 = new TimelineMetric(); |
| metric2.setMetricName("byte_in.2"); |
| metric2.setHostName("host2"); |
| metric2.setAppId("app2"); |
| metric2.setInstanceId("instance2"); |
| |
| TimelineMetric metric3 = new TimelineMetric(); |
| metric3.setMetricName("byte_in.3"); |
| metric3.setHostName("host3"); |
| // appId and instanceId for metric3 are null |
| |
| TreeMap<Long, Double> metricValues = new TreeMap<>(); |
| metricValues.put(1L, 3.0); |
| metricValues.put(2L, 2 * 3.0); |
| metricValues.put(3L, 3 * 3.0); |
| |
| metric.setMetricValues(metricValues); |
| metric2.setMetricValues(metricValues); |
| metric3.setMetricValues(metricValues); |
| |
| TimelineMetrics metrics = new TimelineMetrics(); |
| metrics.setMetrics(Lists.newArrayList(metric, metric2, metric3)); |
| |
| return metrics; |
| } |
| } |