| /** |
| * 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; |
| |
| import com.google.common.collect.Multimap; |
| import junit.framework.Assert; |
| import org.apache.ambari.metrics.core.timeline.aggregators.Function; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import static org.apache.ambari.metrics.core.timeline.aggregators.Function.ReadFunction.AVG; |
| import static org.apache.ambari.metrics.core.timeline.aggregators.Function.ReadFunction.SUM; |
| import static org.apache.ambari.metrics.core.timeline.aggregators.Function.PostProcessingFunction.RATE; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| public class HBaseTimelineMetricsServiceTest { |
| |
| public static final String MEM_METRIC = "mem"; |
| public static final String BYTES_IN_METRIC = "bytes_in"; |
| public static final String BYTES_NOT_AFUNCTION_METRIC = "bytes._not._afunction"; |
| |
| @Test |
| public void testParseMetricNamesToAggregationFunctions() throws Exception { |
| //giwen |
| List<String> metricNames = Arrays.asList( |
| MEM_METRIC + "._avg", |
| MEM_METRIC + "._sum", |
| MEM_METRIC + "._rate._avg", |
| BYTES_IN_METRIC, |
| BYTES_NOT_AFUNCTION_METRIC); |
| |
| //when |
| Multimap<String, List<Function>> multimap = |
| HBaseTimelineMetricsService.parseMetricNamesToAggregationFunctions(metricNames); |
| |
| //then |
| Assert.assertEquals(multimap.keySet().size(), 3); |
| Assert.assertTrue(multimap.containsKey(MEM_METRIC)); |
| Assert.assertTrue(multimap.containsKey(BYTES_IN_METRIC)); |
| Assert.assertTrue(multimap.containsKey(BYTES_NOT_AFUNCTION_METRIC)); |
| |
| List<List<Function>> metricEntry = (List<List<Function>>) multimap.get(MEM_METRIC); |
| HashMap<String, List<Function>> mfm = new HashMap<String, List<Function>>(); |
| mfm.put(MEM_METRIC, metricEntry.get(0)); |
| |
| assertThat(mfm.get(MEM_METRIC)).containsOnly( |
| new Function(AVG, null)); |
| |
| mfm = new HashMap<String, List<Function>>(); |
| mfm.put(MEM_METRIC, metricEntry.get(1)); |
| assertThat(mfm.get(MEM_METRIC)).containsOnly( |
| new Function(SUM, null)); |
| |
| mfm = new HashMap<String, List<Function>>(); |
| mfm.put(MEM_METRIC, metricEntry.get(2)); |
| assertThat(mfm.get(MEM_METRIC)).containsOnly( |
| new Function(AVG, RATE)); |
| |
| metricEntry = (List<List<Function>>) multimap.get(BYTES_IN_METRIC); |
| mfm = new HashMap<String, List<Function>>(); |
| mfm.put(BYTES_IN_METRIC, metricEntry.get(0)); |
| |
| assertThat(mfm.get(BYTES_IN_METRIC)) |
| .contains(Function.DEFAULT_VALUE_FUNCTION); |
| |
| metricEntry = (List<List<Function>>) multimap.get(BYTES_NOT_AFUNCTION_METRIC); |
| mfm = new HashMap<String, List<Function>>(); |
| mfm.put(BYTES_NOT_AFUNCTION_METRIC, metricEntry.get(0)); |
| |
| assertThat(mfm.get(BYTES_NOT_AFUNCTION_METRIC)) |
| .contains(Function.DEFAULT_VALUE_FUNCTION); |
| |
| } |
| |
| @Test |
| public void testRateCalculationOnMetricsWithEqualValues() throws Exception { |
| Map<Long, Double> metricValues = new TreeMap<>(); |
| metricValues.put(1454000000000L, 1.0); |
| metricValues.put(1454000001000L, 6.0); |
| metricValues.put(1454000002000L, 0.0); |
| metricValues.put(1454000003000L, 3.0); |
| metricValues.put(1454000004000L, 4.0); |
| metricValues.put(1454000005000L, 7.0); |
| |
| // Calculate rate |
| Map<Long, Double> rates = HBaseTimelineMetricsService.updateValuesAsRate(new TreeMap<>(metricValues), false); |
| |
| // Make sure rate is zero |
| Assert.assertTrue(rates.size() == 4); |
| |
| Assert.assertFalse(rates.containsKey(1454000000000L)); |
| Assert.assertFalse(rates.containsKey(1454000002000L)); |
| |
| Assert.assertEquals(rates.get(1454000001000L), 5.0); |
| Assert.assertEquals(rates.get(1454000003000L), 3.0); |
| Assert.assertEquals(rates.get(1454000004000L), 1.0); |
| Assert.assertEquals(rates.get(1454000005000L), 3.0); |
| } |
| |
| @Test |
| public void testDiffCalculation() throws Exception { |
| Map<Long, Double> metricValues = new TreeMap<>(); |
| metricValues.put(1454016368371L, 1011.25); |
| metricValues.put(1454016428371L, 1010.25); |
| metricValues.put(1454016488371L, 1012.25); |
| metricValues.put(1454016548371L, 1015.25); |
| metricValues.put(1454016608371L, 1020.25); |
| |
| Map<Long, Double> rates = HBaseTimelineMetricsService.updateValuesAsRate(new TreeMap<>(metricValues), true); |
| |
| Assert.assertTrue(rates.size() == 3); |
| Assert.assertTrue(rates.containsValue(2.0)); |
| Assert.assertTrue(rates.containsValue(3.0)); |
| Assert.assertTrue(rates.containsValue(5.0)); |
| } |
| } |