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HDFS-13925. Unit Test for transitioning between different states. Contributed by Sherwood Zheng.

This commit is contained in:
Konstantin V Shvachko 2018-10-16 16:35:02 -07:00
parent 1c4265d7bc
commit b6f20c36c2
1 changed files with 23 additions and 0 deletions
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23
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestObserverNode.java
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@ -20,6 +20,7 @@ package org.apache.hadoop.hdfs.server.namenode.ha;
import static org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter.getServiceState;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyBoolean;
import static org.mockito.Matchers.anyLong;
@ -30,11 +31,13 @@ import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState;
import org.apache.hadoop.ha.ServiceFailedException;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.Block;
@ -99,6 +102,26 @@ public class TestObserverNode {
}
}
@Test
public void testNoActiveToObserver() throws Exception {
try {
dfsCluster.transitionToObserver(0);
} catch (ServiceFailedException e) {
return;
}
fail("active cannot be transitioned to observer");
}
@Test
public void testNoObserverToActive() throws Exception {
try {
dfsCluster.transitionToActive(2);
} catch (ServiceFailedException e) {
return;
}
fail("observer cannot be transitioned to active");
}
@Test
public void testSimpleRead() throws Exception {
Path testPath2 = new Path(testPath, "test2");