| /* |
| * 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.pig.test; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapred.JobClient; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.JobID; |
| import org.apache.hadoop.mapred.TaskReport; |
| import org.apache.pig.tools.pigstats.JobStats; |
| import org.apache.pig.tools.pigstats.PigStats; |
| import org.apache.pig.tools.pigstats.PigStats.JobGraph; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class TestJobStats { |
| |
| private static final TaskReport[] mapTaskReports = new TaskReport[5]; |
| private static final TaskReport[] reduceTaskReports = new TaskReport[5]; |
| private static final JobID jobID = new JobID("jobStat", Integer.MAX_VALUE); |
| private static String ASSERT_STRING; |
| |
| private static final int ONE_THOUSAND = 1000; |
| |
| private static final long[][] MAP_START_FINISH_TIME_DATA = { { 0, 100}, |
| { 200, 400 }, { 500, 800 }, { 900, 1300 }, { 1400, 1900 } }; |
| |
| private static final long[][] REDUCE_START_FINISH_TIME_DATA = { { 0, 100 }, |
| { 200, 400 }, { 500, 700 }, { 700, 900 }, { 1000, 1500 } }; |
| |
| @BeforeClass |
| public static void oneTimeSetup() throws Exception { |
| |
| // setting up TaskReport for map tasks |
| for (int i = 0; i < mapTaskReports.length; i++) { |
| mapTaskReports[i] = Mockito.mock(TaskReport.class); |
| Mockito.when(mapTaskReports[i].getStartTime()).thenReturn(MAP_START_FINISH_TIME_DATA[i][0] * ONE_THOUSAND); |
| Mockito.when(mapTaskReports[i].getFinishTime()).thenReturn(MAP_START_FINISH_TIME_DATA[i][1] * ONE_THOUSAND); |
| } |
| |
| // setting up TaskReport for reduce tasks |
| for (int i = 0; i < reduceTaskReports.length; i++) { |
| reduceTaskReports[i] = Mockito.mock(TaskReport.class); |
| Mockito.when(reduceTaskReports[i].getStartTime()).thenReturn(REDUCE_START_FINISH_TIME_DATA[i][0] * ONE_THOUSAND); |
| Mockito.when(reduceTaskReports[i].getFinishTime()).thenReturn(REDUCE_START_FINISH_TIME_DATA[i][1] * ONE_THOUSAND); |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(jobID.toString()).append("\t"); |
| sb.append(mapTaskReports.length).append("\t"); |
| sb.append(reduceTaskReports.length).append("\t"); |
| |
| sb.append("500\t100\t300\t300\t500\t100\t240\t200"); |
| ASSERT_STRING = sb.toString(); |
| } |
| |
| JobStats createJobStats(String name, JobGraph plan) { |
| try { |
| Constructor con = JobStats.class.getDeclaredConstructor(String.class, JobGraph.class); |
| con.setAccessible(true); |
| JobStats jobStats = (JobStats)con.newInstance(name, plan); |
| return jobStats; |
| } catch (Exception e) { |
| return null; |
| } |
| } |
| |
| Method getJobStatsMethod(String methodName, Class<?>... parameterTypes) throws Exception { |
| Method m = JobStats.class.getDeclaredMethod(methodName, parameterTypes); |
| m.setAccessible(true); |
| return m; |
| } |
| |
| @Test |
| public void testMedianMapReduceTime() throws Exception { |
| |
| JobConf jobConf = new JobConf(); |
| JobClient jobClient = Mockito.mock(JobClient.class); |
| |
| // mock methods to return the predefined map and reduce task reports |
| Mockito.when(jobClient.getMapTaskReports(jobID)).thenReturn(mapTaskReports); |
| Mockito.when(jobClient.getReduceTaskReports(jobID)).thenReturn(reduceTaskReports); |
| |
| PigStats.JobGraph jobGraph = new PigStats.JobGraph(); |
| JobStats jobStats = createJobStats("JobStatsTest", jobGraph); |
| getJobStatsMethod("setId", JobID.class).invoke(jobStats, jobID); |
| getJobStatsMethod("setSuccessful", boolean.class).invoke(jobStats, true); |
| |
| getJobStatsMethod("addMapReduceStatistics", JobClient.class, Configuration.class) |
| .invoke(jobStats, jobClient, jobConf); |
| String msg = (String)getJobStatsMethod("getDisplayString", boolean.class) |
| .invoke(jobStats, false); |
| |
| System.out.println(JobStats.SUCCESS_HEADER); |
| System.out.println(msg); |
| |
| assertTrue(msg.startsWith(ASSERT_STRING)); |
| } |
| |
| @Test |
| public void testOneTaskReport() throws Exception { |
| // setting up one map task report |
| TaskReport[] mapTaskReports = new TaskReport[1]; |
| mapTaskReports[0] = Mockito.mock(TaskReport.class); |
| Mockito.when(mapTaskReports[0].getStartTime()).thenReturn(300L * ONE_THOUSAND); |
| Mockito.when(mapTaskReports[0].getFinishTime()).thenReturn(400L * ONE_THOUSAND); |
| |
| // setting up one reduce task report |
| TaskReport[] reduceTaskReports = new TaskReport[1]; |
| reduceTaskReports[0] = Mockito.mock(TaskReport.class); |
| Mockito.when(reduceTaskReports[0].getStartTime()).thenReturn(500L * ONE_THOUSAND); |
| Mockito.when(reduceTaskReports[0].getFinishTime()).thenReturn(700L * ONE_THOUSAND); |
| |
| JobConf jobConf = new JobConf(); |
| JobClient jobClient = Mockito.mock(JobClient.class); |
| |
| Mockito.when(jobClient.getMapTaskReports(jobID)).thenReturn(mapTaskReports); |
| Mockito.when(jobClient.getReduceTaskReports(jobID)).thenReturn(reduceTaskReports); |
| |
| PigStats.JobGraph jobGraph = new PigStats.JobGraph(); |
| JobStats jobStats = createJobStats("JobStatsTest", jobGraph); |
| getJobStatsMethod("setId", JobID.class).invoke(jobStats, jobID); |
| getJobStatsMethod("setSuccessful", boolean.class).invoke(jobStats, true); |
| |
| getJobStatsMethod("addMapReduceStatistics", JobClient.class, Configuration.class) |
| .invoke(jobStats, jobClient, jobConf); |
| String msg = (String)getJobStatsMethod("getDisplayString", boolean.class) |
| .invoke(jobStats, false); |
| System.out.println(JobStats.SUCCESS_HEADER); |
| System.out.println(msg); |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(jobID.toString()).append("\t"); |
| sb.append(mapTaskReports.length).append("\t"); |
| sb.append(reduceTaskReports.length).append("\t"); |
| sb.append("100\t100\t100\t100\t200\t200\t200\t200"); |
| |
| System.out.println("assert msg: " + sb.toString()); |
| assertTrue(msg.startsWith(sb.toString())); |
| |
| } |
| } |