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From sur...@apache.org
Subject svn commit: r1310631 - /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java
Date Fri, 06 Apr 2012 23:03:55 GMT
Author: suresh
Date: Fri Apr  6 23:03:54 2012
New Revision: 1310631

URL: http://svn.apache.org/viewvc?rev=1310631&view=rev
Log:
HDFS-3121. Add HDFS tests for HADOOP-8014 change. Contributed by John George. Missed adding
the file in the earlier commit.

Added:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java

Added: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java?rev=1310631&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java
(added)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsDefaultValue.java
Fri Apr  6 23:03:54 2012
@@ -0,0 +1,176 @@
+/**
+ * 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.fs.viewfs;
+
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.security.auth.login.LoginException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.FileSystemTestHelper;
+import org.apache.hadoop.fs.FsConstants;
+import org.apache.hadoop.fs.ContentSummary;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.io.DataInputBuffer;
+import org.apache.hadoop.io.DataOutputBuffer;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.fs.FsServerDefaults;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_DEFAULT;
+import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_DEFAULT;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCK_SIZE_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BYTES_PER_CHECKSUM_DEFAULT;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BYTES_PER_CHECKSUM_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_SYNCONCLOSE_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_HEARTBEAT_RECHECK_INTERVAL_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_REPLICATION_MIN_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_REPLICATION_DEFAULT;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_REPLICATION_KEY;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ * Tests for viewfs implementation of default fs level values.
+ * This tests for both passing in a path (based on mount point)
+ * to obtain the default value of the fs that the path is mounted on
+ * or just passing in no arguments.
+ */
+public class TestViewFsDefaultValue {
+  
+  static final String testFileDir = "/tmp/test/";
+  static final String testFileName = testFileDir + "testFileStatusSerialziation";
+  private static MiniDFSCluster cluster;
+  private static Configuration CONF = new Configuration();
+  private static FileSystem fHdfs;
+  private static FileSystem vfs;
+  private static Path testFilePath;
+  private static Path testFileDirPath;
+
+  @BeforeClass
+  public static void clusterSetupAtBegining() throws IOException,
+      LoginException, URISyntaxException {
+
+    CONF.setLong(DFS_BLOCK_SIZE_KEY, DFS_BLOCK_SIZE_DEFAULT);
+    CONF.setInt(DFS_BYTES_PER_CHECKSUM_KEY, DFS_BYTES_PER_CHECKSUM_DEFAULT);
+    CONF.setInt(DFS_CLIENT_WRITE_PACKET_SIZE_KEY, 
+      DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT);
+    CONF.setInt(DFS_REPLICATION_KEY, DFS_REPLICATION_DEFAULT + 1);
+    CONF.setInt(IO_FILE_BUFFER_SIZE_KEY, IO_FILE_BUFFER_SIZE_DEFAULT);
+ 
+    cluster = new MiniDFSCluster.Builder(CONF).numDataNodes(DFS_REPLICATION_DEFAULT + 1).build();
+    cluster.waitClusterUp();
+    fHdfs = cluster.getFileSystem();
+    FileSystemTestHelper.createFile(fHdfs, testFileName);
+    Configuration conf = ViewFileSystemTestSetup.createConfig();
+    ConfigUtil.addLink(conf, "/tmp", new URI(fHdfs.getUri().toString() +
+      "/tmp"));
+    vfs = FileSystem.get(FsConstants.VIEWFS_URI, conf);
+    testFileDirPath = new Path (testFileDir);
+    testFilePath = new Path (testFileName);
+  }
+
+
+  /**
+   * Test that default blocksize values can be retrieved on the client side.
+   */
+  @Test
+  public void testGetDefaultBlockSize()
+      throws IOException, URISyntaxException {
+    // createFile does not use defaultBlockSize to create the file, 
+    // but we are only looking at the defaultBlockSize, so this 
+    // test should still pass
+    try {
+      vfs.getDefaultBlockSize();
+      fail("getServerDefaults on viewFs did not throw excetion!");
+    } catch (NotInMountpointException e) {
+      assertEquals(vfs.getDefaultBlockSize(testFilePath), 
+        DFS_BLOCK_SIZE_DEFAULT);
+    }
+  }
+  
+  /**
+   * Test that default replication values can be retrieved on the client side.
+   */
+  @Test
+  public void testGetDefaultReplication()
+      throws IOException, URISyntaxException {
+    try {
+      vfs.getDefaultReplication();
+      fail("getDefaultReplication on viewFs did not throw excetion!");
+    } catch (NotInMountpointException e) {
+      assertEquals(vfs.getDefaultReplication(testFilePath), 
+        DFS_REPLICATION_DEFAULT+1);
+    }
+  }
+ 
+
+  /**
+   * Test that server default values can be retrieved on the client side.
+   */
+  @Test
+  public void testServerDefaults() throws IOException {
+    try {
+      FsServerDefaults serverDefaults = vfs.getServerDefaults();
+      fail("getServerDefaults on viewFs did not throw excetion!");
+    } catch (NotInMountpointException e) {
+      FsServerDefaults serverDefaults = vfs.getServerDefaults(testFilePath);
+      assertEquals(DFS_BLOCK_SIZE_DEFAULT, serverDefaults.getBlockSize());
+      assertEquals(DFS_BYTES_PER_CHECKSUM_DEFAULT,
+        serverDefaults.getBytesPerChecksum());
+      assertEquals(DFS_CLIENT_WRITE_PACKET_SIZE_DEFAULT,
+        serverDefaults.getWritePacketSize());
+      assertEquals(IO_FILE_BUFFER_SIZE_DEFAULT,
+        serverDefaults.getFileBufferSize());
+      assertEquals(DFS_REPLICATION_DEFAULT + 1,
+        serverDefaults.getReplication());
+    }
+  }
+
+  /**
+   * Test that getContentSummary can be retrieved on the client side.
+   */
+  @Test
+  public void testGetContentSummary() throws IOException {
+    FileSystem hFs = cluster.getFileSystem(0);
+    final DistributedFileSystem dfs = (DistributedFileSystem)hFs;
+    dfs.setQuota(testFileDirPath, 100, 500);
+    ContentSummary cs = vfs.getContentSummary(testFileDirPath);
+    assertEquals(100, cs.getQuota()); 
+    assertEquals(500, cs.getSpaceQuota()); 
+  }
+ 
+  @AfterClass
+  public static void cleanup() throws IOException {
+    fHdfs.delete(new Path(testFileName), true);
+  }
+
+}



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