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Posted to common-commits@hadoop.apache.org by ji...@apache.org on 2011/09/09 21:28:30 UTC
svn commit: r1167334 -
/hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java
Author: jitendra
Date: Fri Sep 9 19:28:30 2011
New Revision: 1167334
URL: http://svn.apache.org/viewvc?rev=1167334&view=rev
Log:
HDFS-1779. Missed adding the test in previous commit.
Added:
hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java
Added: hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java?rev=1167334&view=auto
==============================================================================
--- hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java (added)
+++ hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/server/namenode/TestBBWBlockReport.java Fri Sep 9 19:28:30 2011
@@ -0,0 +1,118 @@
+/**
+ * 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.namenode;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.protocol.FSConstants.SafeModeAction;
+import org.apache.hadoop.io.IOUtils;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestBBWBlockReport {
+
+ private final Path src = new Path(System.getProperty("test.build.data",
+ "/tmp"), "testfile");
+
+ private Configuration conf = null;
+
+ private final String fileContent = "PartialBlockReadTest";
+
+ @Before
+ public void setUp() {
+ conf = new Configuration();
+ conf.setInt("ipc.client.connection.maxidletime", 1000);
+ }
+
+ @Test(timeout = 60000)
+ // timeout is mainly for safe mode
+ public void testDNShouldSendBBWReportIfAppendOn() throws Exception {
+ FileSystem fileSystem = null;
+ FSDataOutputStream outStream = null;
+ conf.setBoolean("dfs.support.append", true);
+ MiniDFSCluster cluster = new MiniDFSCluster(conf, 1, true, null);
+ cluster.waitActive();
+ try {
+ fileSystem = cluster.getFileSystem();
+ // Keep open stream
+ outStream = writeFileAndSync(fileSystem, src, fileContent);
+ // Parameter true will ensure that NN came out of safemode
+ cluster.restartNameNode();
+ assertEquals(
+ "Not able to read the synced block content after NameNode restart (with append support)",
+ fileContent, getFileContentFromDFS(fileSystem));
+ } finally {
+ if (null != fileSystem)
+ fileSystem.close();
+ if (null != outStream)
+ outStream.close();
+ cluster.shutdown();
+ }
+ }
+
+ @Test
+ public void testDNShouldNotSendBBWReportIfAppendOff() throws Exception {
+ FileSystem fileSystem = null;
+ FSDataOutputStream outStream = null;
+ // disable the append support
+ conf.setBoolean("dfs.support.append", false);
+ MiniDFSCluster cluster = new MiniDFSCluster(conf, 1, true, null);
+ cluster.waitActive();
+ try {
+ fileSystem = cluster.getFileSystem();
+ // Keep open stream
+ outStream = writeFileAndSync(fileSystem, src, fileContent);
+ cluster.restartNameNode(false);
+ Thread.sleep(2000);
+ assertEquals(
+ "Able to read the synced block content after NameNode restart (without append support",
+ 0, getFileContentFromDFS(fileSystem).length());
+ } finally {
+ // NN will not come out of safe mode. So exited the safemode forcibly to
+ // clean the resources.
+ cluster.getNameNode().setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
+ if (null != fileSystem)
+ fileSystem.close();
+ if (null != outStream)
+ outStream.close();
+ cluster.shutdown();
+ }
+ }
+
+ private String getFileContentFromDFS(FileSystem fs) throws IOException {
+ ByteArrayOutputStream bio = new ByteArrayOutputStream();
+ IOUtils.copyBytes(fs.open(src), bio, conf, true);
+ return new String(bio.toByteArray());
+ }
+
+ private FSDataOutputStream writeFileAndSync(FileSystem fs, Path src,
+ String fileContent) throws IOException {
+ FSDataOutputStream fo = fs.create(src);
+ fo.writeBytes(fileContent);
+ fo.sync();
+ return fo;
+ }
+}