/**
* 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.util;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import junit.framework.TestCase;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
public class TestGenericOptionsParser extends TestCase {
File testDir;
Configuration conf;
FileSystem localFs;
@Override
protected void setUp() throws Exception {
super.setUp();
conf = new Configuration();
localFs = FileSystem.getLocal(conf);
testDir = new File(System.getProperty("test.build.data", "/tmp"), "generic");
if(testDir.exists())
localFs.delete(new Path(testDir.toString()), true);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
if(testDir.exists()) {
localFs.delete(new Path(testDir.toString()), true);
}
}
/**
* testing -fileCache option
* @throws IOException
*/
public void testTokenCacheOption() throws IOException {
FileSystem localFs = FileSystem.getLocal(conf);
File tmpFile = new File(testDir, "tokenCacheFile");
if(tmpFile.exists()) {
tmpFile.delete();
}
String[] args = new String[2];
// pass a files option
args[0] = "-tokenCacheFile";
args[1] = tmpFile.toString();
// test non existing file
Throwable th = null;
try {
new GenericOptionsParser(conf, args);
} catch (Exception e) {
th = e;
}
assertNotNull(th);
// create file
Path tmpPath = new Path(tmpFile.toString());
localFs.create(tmpPath);
new GenericOptionsParser(conf, args);
String fileName = conf.get("mapreduce.job.credentials.json");
assertNotNull("files is null", fileName);
assertEquals("files option does not match",
localFs.makeQualified(tmpPath).toString(), fileName);
localFs.delete(new Path(testDir.getAbsolutePath()), true);
}
}