| /** |
| * 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.hadoop.mapreduce; |
| |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.ArgumentMatchers.isA; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.LineNumberReader; |
| import java.io.StringReader; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapred.TaskReport; |
| import org.apache.hadoop.mapreduce.JobStatus.State; |
| import org.apache.hadoop.mapreduce.protocol.ClientProtocol; |
| import org.apache.log4j.Layout; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.WriterAppender; |
| import org.mockito.stubbing.Answer; |
| |
| /** |
| * Test to make sure that command line output for |
| * job monitoring is correct and prints 100% for map and reduce before |
| * successful completion. |
| */ |
| public class TestJobMonitorAndPrint { |
| private Job job; |
| private Configuration conf; |
| private ClientProtocol clientProtocol; |
| |
| @Before |
| public void setUp() throws IOException { |
| conf = new Configuration(); |
| clientProtocol = mock(ClientProtocol.class); |
| Cluster cluster = mock(Cluster.class); |
| when(cluster.getConf()).thenReturn(conf); |
| when(cluster.getClient()).thenReturn(clientProtocol); |
| JobStatus jobStatus = new JobStatus(new JobID("job_000", 1), 0f, 0f, 0f, 0f, |
| State.RUNNING, JobPriority.HIGH, "tmp-user", "tmp-jobname", |
| "tmp-jobfile", "tmp-url"); |
| job = Job.getInstance(cluster, jobStatus, conf); |
| job = spy(job); |
| } |
| |
| @Test |
| public void testJobMonitorAndPrint() throws Exception { |
| JobStatus jobStatus_1 = new JobStatus(new JobID("job_000", 1), 1f, 0.1f, |
| 0.1f, 0f, State.RUNNING, JobPriority.HIGH, "tmp-user", "tmp-jobname", |
| "tmp-queue", "tmp-jobfile", "tmp-url", true); |
| JobStatus jobStatus_2 = new JobStatus(new JobID("job_000", 1), 1f, 1f, |
| 1f, 1f, State.SUCCEEDED, JobPriority.HIGH, "tmp-user", "tmp-jobname", |
| "tmp-queue", "tmp-jobfile", "tmp-url", true); |
| |
| doAnswer((Answer<TaskCompletionEvent[]>) invocation -> |
| TaskCompletionEvent.EMPTY_ARRAY).when(job) |
| .getTaskCompletionEvents(anyInt(), anyInt()); |
| |
| doReturn(new TaskReport[5]).when(job).getTaskReports(isA(TaskType.class)); |
| when(clientProtocol.getJobStatus(any(JobID.class))).thenReturn(jobStatus_1, jobStatus_2); |
| // setup the logger to capture all logs |
| Layout layout = |
| Logger.getRootLogger().getAppender("stdout").getLayout(); |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| WriterAppender appender = new WriterAppender(layout, os); |
| appender.setThreshold(Level.ALL); |
| Logger qlogger = Logger.getLogger(Job.class); |
| qlogger.addAppender(appender); |
| |
| job.monitorAndPrintJob(); |
| |
| qlogger.removeAppender(appender); |
| LineNumberReader r = new LineNumberReader(new StringReader(os.toString())); |
| String line; |
| boolean foundHundred = false; |
| boolean foundComplete = false; |
| boolean foundUber = false; |
| String uberModeMatch = "uber mode : true"; |
| String progressMatch = "map 100% reduce 100%"; |
| String completionMatch = "completed successfully"; |
| while ((line = r.readLine()) != null) { |
| if (line.contains(uberModeMatch)) { |
| foundUber = true; |
| } |
| foundHundred = line.contains(progressMatch); |
| if (foundHundred) |
| break; |
| } |
| line = r.readLine(); |
| foundComplete = line.contains(completionMatch); |
| assertTrue(foundUber); |
| assertTrue(foundHundred); |
| assertTrue(foundComplete); |
| |
| System.out.println("The output of job.toString() is : \n" + job.toString()); |
| assertTrue(job.toString().contains("Number of maps: 5\n")); |
| assertTrue(job.toString().contains("Number of reduces: 5\n")); |
| } |
| } |