/**
* 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.conf;
import java.io.ByteArrayOutputStream;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import junit.framework.TestCase;
public class TestDeprecatedKeys extends TestCase {
//Tests a deprecated key
public void testDeprecatedKeys() throws Exception {
Configuration conf = new Configuration();
conf.set("topology.script.file.name", "xyz");
String scriptFile = conf.get(CommonConfigurationKeys.NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY);
assertTrue(scriptFile.equals("xyz")) ;
}
//Tests reading / writing a conf file with deprecation after setting
public void testReadWriteWithDeprecatedKeys() throws Exception {
Configuration conf = new Configuration();
conf.setBoolean("old.config.yet.to.be.deprecated", true);
Configuration.addDeprecation("old.config.yet.to.be.deprecated",
new String[]{"new.conf.to.replace.deprecated.conf"});
ByteArrayOutputStream out=new ByteArrayOutputStream();
String fileContents;
try {
conf.writeXml(out);
fileContents = out.toString();
} finally {
out.close();
}
assertTrue(fileContents.contains("old.config.yet.to.be.deprecated"));
assertTrue(fileContents.contains("new.conf.to.replace.deprecated.conf"));
}
}