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MAPREDUCE-6625. TestCLI#testGetJob fails occasionally (haibochen via rkanter) 

(cherry picked from commit ad256beb50)
This commit is contained in:
Robert Kanter 2016-07-12 15:51:18 -07:00
parent 7aaf82d469
commit a2ef30cb2f
1 changed files with 27 additions and 18 deletions
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45
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/tools/TestCLI.java
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@ -31,9 +31,10 @@ import org.apache.hadoop.mapreduce.TaskType;
import org.apache.hadoop.mapreduce.JobPriority; import org.apache.hadoop.mapreduce.JobPriority;
import org.apache.hadoop.mapreduce.JobStatus; import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.JobStatus.State; import org.apache.hadoop.mapreduce.JobStatus.State;
import org.apache.hadoop.util.Time;
import org.junit.Assert; import org.junit.Assert;
import org.junit.Test; import org.junit.Test;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when; import static org.mockito.Mockito.when;
import static org.mockito.Mockito.times; import static org.mockito.Mockito.times;
@ -162,25 +163,33 @@ public class TestCLI {
} }
@Test @Test
public void testGetJob() throws Exception { public void testGetJobWithoutRetry() throws Exception {
Configuration conf = new Configuration(); Configuration conf = new Configuration();
long sleepTime = 100; conf.setInt(MRJobConfig.MR_CLIENT_JOB_MAX_RETRIES, 0);
conf.setLong(MRJobConfig.MR_CLIENT_JOB_RETRY_INTERVAL, sleepTime);
Cluster mockCluster = mock(Cluster.class);
JobID jobId1 = JobID.forName("job_1234654654_001");
when(mockCluster.getJob(jobId1)).thenReturn(null);
for (int i = 0; i < 2; ++i) { final Cluster mockCluster = mock(Cluster.class);
conf.setInt(MRJobConfig.MR_CLIENT_JOB_MAX_RETRIES, i); when(mockCluster.getJob(any(JobID.class))).thenReturn(null);
CLI cli = spy(new CLI(conf)); CLI cli = new CLI(conf);
cli.cluster = mockCluster; cli.cluster = mockCluster;
doReturn(mockCluster).when(cli).createCluster();
long start = Time.monotonicNow(); Job job = cli.getJob(JobID.forName("job_1234654654_001"));
cli.getJob(jobId1); Assert.assertTrue("job is not null", job == null);
long end = Time.monotonicNow(); }
Assert.assertTrue(end - start > (i * sleepTime));
Assert.assertTrue(end - start < ((i + 1) * sleepTime)); @Test
} public void testGetJobWithRetry() throws Exception {
Configuration conf = new Configuration();
conf.setInt(MRJobConfig.MR_CLIENT_JOB_MAX_RETRIES, 1);
final Cluster mockCluster = mock(Cluster.class);
final Job mockJob = Job.getInstance(conf);
when(mockCluster.getJob(any(JobID.class))).thenReturn(
null).thenReturn(mockJob);
CLI cli = new CLI(conf);
cli.cluster = mockCluster;
Job job = cli.getJob(JobID.forName("job_1234654654_001"));
Assert.assertTrue("job is null", job != null);
} }
@Test @Test