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From a..@apache.org
Subject svn commit: r1568529 - /hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/
Date Fri, 14 Feb 2014 21:37:16 GMT
Author: arp
Date: Fri Feb 14 21:37:16 2014
New Revision: 1568529

URL: http://svn.apache.org/r1568529
Log:
HDFS-5907. Add test cases missed in previous checkin

Added:
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolSliceStorage.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeStartupOptions.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java

Added: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolSliceStorage.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolSliceStorage.java?rev=1568529&view=auto
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolSliceStorage.java
(added)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockPoolSliceStorage.java
Fri Feb 14 21:37:16 2014
@@ -0,0 +1,150 @@
+/**
+* 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.hdfs.server.datanode;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.hdfs.server.common.Storage;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.Random;
+import java.util.UUID;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test that BlockPoolSliceStorage can correctly generate trash and
+ * restore directories for a given block file path.
+*/
+public class TestBlockPoolSliceStorage {
+  public static final Log LOG = LogFactory.getLog(TestBlockPoolSliceStorage.class);
+
+  Random rand = new Random();
+  BlockPoolSliceStorage storage;
+
+  /**
+   * BlockPoolSliceStorage with a dummy storage directory. The directory
+   * need not exist. We need to extend BlockPoolSliceStorage so we can
+   * call {@link Storage#addStorageDir}.
+   */
+  private static class StubBlockPoolSliceStorage extends BlockPoolSliceStorage {
+    StubBlockPoolSliceStorage(int namespaceID, String bpID, long cTime,
+                              String clusterId) {
+      super(namespaceID, bpID, cTime, clusterId);
+      addStorageDir(new StorageDirectory(new File("/tmp/dontcare/" + bpID)));
+      assertThat(storageDirs.size(), is(1));
+    }
+  }
+
+  private String makeRandomIpAddress() {
+    return rand.nextInt(256) + "." +
+           rand.nextInt(256) + "." +
+           rand.nextInt(256) + "." +
+           rand.nextInt(256);
+  }
+
+  private String makeRandomBlockpoolId() {
+    return "BP-" + rand.nextInt(Integer.MAX_VALUE) +
+           "-" + makeRandomIpAddress() +
+           "-" + rand.nextInt(Integer.MAX_VALUE);
+  }
+
+  private BlockPoolSliceStorage makeBlockPoolStorage() {
+    return new StubBlockPoolSliceStorage(
+        rand.nextInt(Integer.MAX_VALUE),
+        makeRandomBlockpoolId(),
+        rand.nextInt(Integer.MAX_VALUE),
+        UUID.randomUUID().toString());
+  }
+
+  private String makeRandomBlockFileSubdir(int nestingLevel) {
+    StringBuilder sb = new StringBuilder();
+
+    sb.append("/");
+
+    for (int i = 0; i < nestingLevel; ++i) {
+      sb.append("subdir" + rand.nextInt(64) + "/");
+    }
+    return sb.toString();
+  }
+
+  /**
+   * Test conversion from a block file path to its target trash
+   * directory.
+   */
+  public void getTrashDirectoryForBlockFile(String fileName, int nestingLevel) {
+    final String blockFileSubdir = makeRandomBlockFileSubdir(nestingLevel);
+    final String blockFileName = fileName;
+
+    String testFilePath =
+        storage.getSingularStorageDir().getRoot() + "/" +
+            Storage.STORAGE_DIR_CURRENT +
+            blockFileSubdir + blockFileName;
+
+    String expectedTrashPath =
+        storage.getSingularStorageDir().getRoot() + "/" +
+            BlockPoolSliceStorage.TRASH_ROOT_DIR +
+            blockFileSubdir.substring(0, blockFileSubdir.length() - 1);
+
+    LOG.info("Got subdir " + blockFileSubdir);
+    LOG.info("Generated file path " + testFilePath);
+    assertThat(storage.getTrashDirectory(new File(testFilePath)), is(expectedTrashPath));
+  }
+
+  /*
+   * Test conversion from a block file in a trash directory to its
+   * target directory for restore.
+  */
+  public void getRestoreDirectoryForBlockFile(String fileName, int nestingLevel) {
+    BlockPoolSliceStorage storage = makeBlockPoolStorage();
+    final String blockFileSubdir = makeRandomBlockFileSubdir(nestingLevel);
+    final String blockFileName = fileName;
+
+    String deletedFilePath =
+        storage.getSingularStorageDir().getRoot() + "/" +
+        BlockPoolSliceStorage.TRASH_ROOT_DIR +
+        blockFileSubdir + blockFileName;
+
+    String expectedRestorePath =
+        storage.getSingularStorageDir().getRoot() + "/" +
+            Storage.STORAGE_DIR_CURRENT +
+            blockFileSubdir.substring(0, blockFileSubdir.length() - 1);
+
+    LOG.info("Generated deleted file path " + deletedFilePath);
+    assertThat(storage.getRestoreDirectory(new File(deletedFilePath)),
+               is(expectedRestorePath));
+
+  }
+
+  @Test (timeout=300000)
+  public void testGetTrashAndRestoreDirectories() {
+    storage = makeBlockPoolStorage();
+
+    // Test a few different nesting levels since block files
+    // could be nested such as subdir1/subdir5/blk_...
+    // Make sure all nesting levels are handled correctly.
+    for (int i = 0; i < 3; ++i) {
+      getTrashDirectoryForBlockFile("blk_myblockfile", i);
+      getTrashDirectoryForBlockFile("blk_myblockfile.meta", i);
+      getRestoreDirectoryForBlockFile("blk_myblockfile", i);
+      getRestoreDirectoryForBlockFile("blk_myblockfile.meta", i);
+    }
+  }
+}

Added: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java?rev=1568529&view=auto
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
(added)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
Fri Feb 14 21:37:16 2014
@@ -0,0 +1,177 @@
+/**
+ * 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.hdfs.server.datanode;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.commons.logging.impl.Log4JLogger;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;
+import org.apache.hadoop.hdfs.tools.DFSAdmin;
+import org.apache.log4j.Level;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.fail;
+
+/**
+ * Ensure that the DataNode correctly handles rolling upgrade
+ * finalize and rollback.
+ */
+public class TestDataNodeRollingUpgrade {
+  private static final Log LOG = LogFactory.getLog(TestDataNodeRollingUpgrade.class);
+
+  private static final short REPL_FACTOR = 1;
+  private static final long FILE_SIZE = 1024L;
+  private static final long SEED = 0x1BADF00DL;
+
+  Configuration conf;
+  MiniDFSCluster cluster = null;
+  DistributedFileSystem fs;
+
+  private void runCmd(DFSAdmin dfsadmin, String... args) throws Exception {
+    assertThat(dfsadmin.run(args), is(0));
+  }
+
+  private void startRollingUpgrade() throws Exception {
+    LOG.info("Starting rolling upgrade");
+    final DFSAdmin dfsadmin = new DFSAdmin(conf);
+    runCmd(dfsadmin, "-rollingUpgrade", "start");
+  }
+
+  private void finalizeRollingUpgrade() throws Exception {
+    LOG.info("Finalizing rolling upgrade");
+    final DFSAdmin dfsadmin = new DFSAdmin(conf);
+    runCmd(dfsadmin, "-rollingUpgrade", "finalize");
+  }
+
+  private void rollbackRollingUpgrade() throws Exception {
+    LOG.info("Starting rollback of the rolling upgrade");
+
+    // Shutdown the DN and the NN in preparation for rollback.
+    DataNodeProperties dnprop = cluster.stopDataNode(0);
+    cluster.shutdownNameNodes();
+
+    // Restart the daemons with rollback flags.
+    cluster.restartNameNode("-rollingupgrade", "rollback");
+    dnprop.setDnArgs("-rollingupgrade", "rollback");
+    cluster.restartDataNode(dnprop);
+    cluster.waitActive();
+  }
+
+  @Test (timeout=600000)
+  public void testDatanodeRollingUpgradeWithFinalize() throws Exception {
+    // start a cluster
+    try {
+      // Start a cluster.
+      conf = new HdfsConfiguration();
+      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(REPL_FACTOR).build();
+      cluster.waitActive();
+      fs = cluster.getFileSystem();
+      Path testFile1 = new Path("/TestDataNodeRollingUpgrade1.dat");
+      Path testFile2 = new Path("/TestDataNodeRollingUpgrade2.dat");
+
+      // Create files in DFS.
+      DFSTestUtil.createFile(fs, testFile1, FILE_SIZE, REPL_FACTOR, SEED);
+      DFSTestUtil.createFile(fs, testFile2, FILE_SIZE, REPL_FACTOR, SEED);
+
+      startRollingUpgrade();
+
+      // Sleep briefly so that DN learns of the rolling upgrade
+      // from heartbeats.
+      cluster.triggerHeartbeats();
+      Thread.sleep(5000);
+
+      fs.delete(testFile2, false);
+
+      // Sleep briefly so that block files can be moved to trash
+      // (this is scheduled for asynchronous execution).
+      cluster.triggerBlockReports();
+      Thread.sleep(5000);
+
+      finalizeRollingUpgrade();
+
+      // Ensure that testFile2 stays deleted.
+      assert(!fs.exists(testFile2));
+      assert(fs.exists(testFile1));
+
+    } finally {
+      if (cluster != null) {
+        cluster.shutdown();
+        cluster = null;
+      }
+    }
+  }
+
+  @Test (timeout=600000)
+  public void testDatanodeRollingUpgradeWithRollback() throws Exception {
+    // start a cluster
+    try {
+      // Start a cluster.
+      conf = new HdfsConfiguration();
+      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(REPL_FACTOR).build();
+      cluster.waitActive();
+      fs = cluster.getFileSystem();
+      Path testFile1 = new Path("/TestDataNodeRollingUpgrade1.dat");
+
+      // Create files in DFS.
+      DFSTestUtil.createFile(fs, testFile1, FILE_SIZE, REPL_FACTOR, SEED);
+      String fileContents1 = DFSTestUtil.readFile(fs, testFile1);
+
+      startRollingUpgrade();
+
+      // Sleep briefly so that DN learns of the rolling upgrade
+      // from heartbeats.
+      cluster.triggerHeartbeats();
+      Thread.sleep(5000);
+
+      LOG.info("Deleting file during rolling upgrade");
+      fs.delete(testFile1, false);
+
+      // Sleep briefly so that block files can be moved to trash
+      // (this is scheduled for asynchronous execution).
+      cluster.triggerBlockReports();
+      Thread.sleep(5000);
+      assert(!fs.exists(testFile1));
+
+      // Now perform a rollback to restore DFS to the pre-rollback state.
+      rollbackRollingUpgrade();
+
+      // Ensure that testFile1 was restored after the rollback.
+      assert(fs.exists(testFile1));
+      String fileContents2 = DFSTestUtil.readFile(fs, testFile1);
+
+      // Ensure that file contents are the same.
+      assertThat(fileContents1, is(fileContents2));
+    } finally {
+      if (cluster != null) {
+        cluster.shutdown();
+        cluster = null;
+      }
+    }
+  }
+}

Added: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeStartupOptions.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeStartupOptions.java?rev=1568529&view=auto
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeStartupOptions.java
(added)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDatanodeStartupOptions.java
Fri Feb 14 21:37:16 2014
@@ -0,0 +1,100 @@
+/**
+ * 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.hdfs.server.datanode;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * This test verifies DataNode command line processing.
+ */
+public class TestDatanodeStartupOptions {
+
+  private Configuration conf = null;
+
+  /**
+   * Process the given arg list as command line arguments to the DataNode
+   * to make sure we get the expected result. If the expected result is
+   * success then further validate that the parsed startup option is the
+   * same as what was expected.
+   *
+   * @param expectSuccess
+   * @param expectedOption
+   * @param conf
+   * @param arg
+   */
+  private static void checkExpected(boolean expectSuccess,
+                                    StartupOption expectedOption,
+                                    Configuration conf,
+                                    String ... arg) {
+
+    String[] args = new String[arg.length];
+    int i = 0;
+    for (String currentArg : arg) {
+      args[i++] = currentArg;
+    }
+
+    boolean returnValue = DataNode.parseArguments(args, conf);
+    StartupOption option = DataNode.getStartupOption(conf);
+    assertThat(returnValue, is(expectSuccess));
+
+    if (expectSuccess) {
+      assertThat(option, is(expectedOption));
+    }
+  }
+
+  /**
+   * Reinitialize configuration before every test since DN stores the
+   * parsed StartupOption in the configuration.
+   */
+  @Before
+  public void initConfiguration() {
+    conf = new HdfsConfiguration();
+  }
+
+  /**
+   * A few options that should all parse successfully.
+   */
+  @Test (timeout=60000)
+  public void testStartupSuccess() {
+    checkExpected(true, StartupOption.REGULAR, conf);
+    checkExpected(true, StartupOption.REGULAR, conf, "-regular");
+    checkExpected(true, StartupOption.REGULAR, conf, "-REGULAR");
+    checkExpected(true, StartupOption.ROLLBACK, conf, "-rollback");
+    checkExpected(true, StartupOption.ROLLINGUPGRADE, conf, "-rollingupgrade", "rollback");
+    checkExpected(true, StartupOption.ROLLINGUPGRADE, conf, "-rollingupgraDE", "ROLLBack");
+  }
+
+  /**
+   * A few options that should all fail to parse.
+   */
+  @Test (timeout=60000)
+  public void testStartupFailure() {
+    checkExpected(false, StartupOption.REGULAR, conf, "unknownoption");
+    checkExpected(false, StartupOption.REGULAR, conf, "-regular -rollback");
+    checkExpected(false, StartupOption.REGULAR, conf, "-rollingupgrade", "downgrade");
+    checkExpected(false, StartupOption.REGULAR, conf, "-rollingupgrade", "unknownoption");
+  }
+}

Added: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java?rev=1568529&view=auto
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java
(added)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java
Fri Feb 14 21:37:16 2014
@@ -0,0 +1,100 @@
+/**
+ * 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.hdfs.server.datanode;
+
+import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.*;
+import org.junit.Test;
+
+import static junit.framework.Assert.fail;
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+
+/**
+ * Test enumerations in TestHdfsServerConstants.
+ */
+public class TestHdfsServerConstants {
+
+  /**
+   * Verify that parsing a StartupOption string gives the expected results.
+   * If a RollingUpgradeStartupOption is specified than it is also checked.
+   *
+   * @param value
+   * @param expectedOption
+   * @param expectedRollupOption optional, may be null.
+   */
+  private static void verifyStartupOptionResult(String value,
+      StartupOption expectedOption,
+      RollingUpgradeStartupOption expectedRollupOption) {
+
+    StartupOption option = StartupOption.getEnum(value);
+    assertThat(option, is(expectedOption));
+
+    if (expectedRollupOption != null) {
+      assertThat(option.getRollingUpgradeStartupOption(), is(expectedRollupOption));
+    }
+  }
+
+  /**
+   * Test that we can parse a StartupOption string without the optional
+   * RollingUpgradeStartupOption.
+   */
+  @Test
+  public void testStartupOptionParsing() {
+    verifyStartupOptionResult("FORMAT", StartupOption.FORMAT, null);
+    verifyStartupOptionResult("REGULAR", StartupOption.REGULAR, null);
+    verifyStartupOptionResult("CHECKPOINT", StartupOption.CHECKPOINT, null);
+    verifyStartupOptionResult("UPGRADE", StartupOption.UPGRADE, null);
+    verifyStartupOptionResult("ROLLBACK", StartupOption.ROLLBACK, null);
+    verifyStartupOptionResult("FINALIZE", StartupOption.FINALIZE, null);
+    verifyStartupOptionResult("ROLLINGUPGRADE", StartupOption.ROLLINGUPGRADE, null);
+    verifyStartupOptionResult("IMPORT", StartupOption.IMPORT, null);
+    verifyStartupOptionResult("INITIALIZESHAREDEDITS", StartupOption.INITIALIZESHAREDEDITS,
null);
+
+    try {
+      verifyStartupOptionResult("UNKNOWN(UNKNOWNOPTION)", StartupOption.FORMAT, null);
+      fail("Failed to get expected IllegalArgumentException");
+    } catch(IllegalArgumentException iae) {
+      // Expected!
+    }
+  }
+
+  /**
+   * Test that we can parse a StartupOption string with a
+   * RollingUpgradeStartupOption.
+   */
+  @Test
+  public void testRollingUpgradeStartupOptionParsing() {
+    verifyStartupOptionResult("ROLLINGUPGRADE(ROLLBACK)",
+                              StartupOption.ROLLINGUPGRADE,
+                              RollingUpgradeStartupOption.ROLLBACK);
+    verifyStartupOptionResult("ROLLINGUPGRADE(DOWNGRADE)",
+                              StartupOption.ROLLINGUPGRADE,
+                              RollingUpgradeStartupOption.DOWNGRADE);
+    verifyStartupOptionResult("ROLLINGUPGRADE(STARTED)",
+                              StartupOption.ROLLINGUPGRADE,
+                              RollingUpgradeStartupOption.STARTED);
+
+    try {
+      verifyStartupOptionResult("ROLLINGUPGRADE(UNKNOWNOPTION)", StartupOption.ROLLINGUPGRADE,
null);
+      fail("Failed to get expected IllegalArgumentException");
+    } catch(IllegalArgumentException iae) {
+      // Expected!
+    }
+  }
+}



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