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Posted to common-commits@hadoop.apache.org by om...@apache.org on 2008/09/29 22:56:52 UTC
svn commit: r700253 - in /hadoop/core/trunk: CHANGES.txt
src/core/org/apache/hadoop/io/WritableName.java
src/test/org/apache/hadoop/io/TestWritableName.java
Author: omalley
Date: Mon Sep 29 13:56:52 2008
New Revision: 700253
URL: http://svn.apache.org/viewvc?rev=700253&view=rev
Log:
HADOOP-3180. Add name of missing class to WritableName.getClass
IOException. (Pete Wyckoff via omalley)
Added:
hadoop/core/trunk/src/test/org/apache/hadoop/io/TestWritableName.java
Modified:
hadoop/core/trunk/CHANGES.txt
hadoop/core/trunk/src/core/org/apache/hadoop/io/WritableName.java
Modified: hadoop/core/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/CHANGES.txt?rev=700253&r1=700252&r2=700253&view=diff
==============================================================================
--- hadoop/core/trunk/CHANGES.txt (original)
+++ hadoop/core/trunk/CHANGES.txt Mon Sep 29 13:56:52 2008
@@ -17,6 +17,9 @@
HADOOP-4244. Change test-patch.sh to check Eclipse classpath no matter
it is run by Hudson or not. (szetszwo)
+ HADOOP-3180. Add name of missing class to WritableName.getClass
+ IOException. (Pete Wyckoff via omalley)
+
OPTIMIZATIONS
BUG FIXES
Modified: hadoop/core/trunk/src/core/org/apache/hadoop/io/WritableName.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/core/org/apache/hadoop/io/WritableName.java?rev=700253&r1=700252&r2=700253&view=diff
==============================================================================
--- hadoop/core/trunk/src/core/org/apache/hadoop/io/WritableName.java (original)
+++ hadoop/core/trunk/src/core/org/apache/hadoop/io/WritableName.java Mon Sep 29 13:56:52 2008
@@ -70,7 +70,7 @@
try {
return conf.getClassByName(name);
} catch (ClassNotFoundException e) {
- IOException newE = new IOException("WritableName can't load class");
+ IOException newE = new IOException("WritableName can't load class: " + name);
newE.initCause(e);
throw newE;
}
Added: hadoop/core/trunk/src/test/org/apache/hadoop/io/TestWritableName.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/test/org/apache/hadoop/io/TestWritableName.java?rev=700253&view=auto
==============================================================================
--- hadoop/core/trunk/src/test/org/apache/hadoop/io/TestWritableName.java (added)
+++ hadoop/core/trunk/src/test/org/apache/hadoop/io/TestWritableName.java Mon Sep 29 13:56:52 2008
@@ -0,0 +1,107 @@
+/**
+ * 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.io;
+
+import java.io.*;
+import java.util.Random;
+
+import org.apache.hadoop.conf.Configurable;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.util.ReflectionUtils;
+
+import junit.framework.TestCase;
+
+/** Unit tests for WritableName. */
+public class TestWritableName extends TestCase {
+ public TestWritableName(String name) {
+ super(name);
+ }
+
+ /** Example class used in test cases below. */
+ public static class SimpleWritable implements Writable {
+ private static final Random RANDOM = new Random();
+
+ int state = RANDOM.nextInt();
+
+ public void write(DataOutput out) throws IOException {
+ out.writeInt(state);
+ }
+
+ public void readFields(DataInput in) throws IOException {
+ this.state = in.readInt();
+ }
+
+ public static SimpleWritable read(DataInput in) throws IOException {
+ SimpleWritable result = new SimpleWritable();
+ result.readFields(in);
+ return result;
+ }
+
+ /** Required by test code, below. */
+ public boolean equals(Object o) {
+ if (!(o instanceof SimpleWritable))
+ return false;
+ SimpleWritable other = (SimpleWritable)o;
+ return this.state == other.state;
+ }
+ }
+
+ private static final String testName = "mystring";
+
+ public void testGoodName() throws Exception {
+ Configuration conf = new Configuration();
+ Class<?> test = WritableName.getClass("long",conf);
+ assertTrue(test != null);
+ }
+
+ public void testSetName() throws Exception {
+ Configuration conf = new Configuration();
+ WritableName.setName(SimpleWritable.class, testName);
+
+ Class<?> test = WritableName.getClass(testName,conf);
+ assertTrue(test.equals(SimpleWritable.class));
+ }
+
+
+ public void testAddName() throws Exception {
+ Configuration conf = new Configuration();
+ String altName = testName + ".alt";
+
+ WritableName.addName(SimpleWritable.class, altName);
+
+ Class<?> test = WritableName.getClass(altName, conf);
+ assertTrue(test.equals(SimpleWritable.class));
+
+ // check original name still works
+ test = WritableName.getClass(testName, conf);
+ assertTrue(test.equals(SimpleWritable.class));
+
+ }
+
+ public void testBadName() throws Exception {
+ Configuration conf = new Configuration();
+ try {
+ Class<?> test = WritableName.getClass("unknown_junk",conf);
+ assertTrue(false);
+ } catch(IOException e) {
+ assertTrue(e.getMessage().matches(".*unknown_junk.*"));
+ }
+ }
+
+}