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Posted to common-commits@hadoop.apache.org by su...@apache.org on 2011/09/02 23:50:49 UTC
svn commit: r1164728 -
/hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
Author: suresh
Date: Fri Sep 2 21:50:49 2011
New Revision: 1164728
URL: http://svn.apache.org/viewvc?rev=1164728&view=rev
Log:
Adding a file missed in revision r1164720 while porting change HDFS-630
Added:
hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
Added: hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java?rev=1164728&view=auto
==============================================================================
--- hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java (added)
+++ hadoop/common/branches/branch-0.20-security/src/test/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java Fri Sep 2 21:50:49 2011
@@ -0,0 +1,55 @@
+/**
+ * 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;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import junit.*;
+import static junit.framework.Assert.fail;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+
+
+/**
+ * These tests make sure that DFSClient retries fetching data from DFS
+ * properly in case of errors.
+ */
+public class TestDFSClientExcludedNodes extends junit.framework.TestCase {
+
+ public void testExcludedNodes() throws IOException {
+ Configuration conf = new Configuration();
+ MiniDFSCluster cluster = new MiniDFSCluster(conf, 3, true, null);
+ FileSystem fs = cluster.getFileSystem();
+ Path filePath = new Path("/testExcludedNodes");
+
+ // kill a datanode
+ cluster.stopDataNode(AppendTestUtil.nextInt(3));
+ OutputStream out = fs.create(filePath, true, 4096);
+ out.write(20);
+
+ try {
+ out.close();
+ } catch (Exception e) {
+ fail("DataNode failure should not result in a block abort: \n" + e.getMessage());
+ }
+ }
+
+}