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HADOOP-6825. FileStatus needs unit tests. Contributed by Rodrigo Schmidt. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@963587 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2010-07-13 02:29:59 +00:00
parent 6ba9b70d85
commit 167bbd1c6e
1 changed files with 71 additions and 0 deletions
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src/test/core/org/apache/hadoop/fs/TestFileStatus.java Normal file
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/**
* 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;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import org.junit.Test;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
public class TestFileStatus {
private static final Log LOG =
LogFactory.getLog(TestFileStatus.class);
@Test
public void testFileStatusWritable() throws Exception {
FileStatus[] tests = {
new FileStatus(1,false,5,3,4,5,null,"","",new Path("/a/b")),
new FileStatus(0,false,1,2,3,new Path("/")),
new FileStatus(1,false,5,3,4,5,null,"","",new Path("/a/b"))
};
LOG.info("Writing FileStatuses to a ByteArrayOutputStream");
// Writing input list to ByteArrayOutputStream
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutput out = new DataOutputStream(baos);
for (FileStatus fs : tests) {
fs.write(out);
}
LOG.info("Creating ByteArrayInputStream object");
DataInput in =
new DataInputStream(new ByteArrayInputStream(baos.toByteArray()));
LOG.info("Testing if read objects are equal to written ones");
FileStatus dest = new FileStatus();
int iterator = 0;
for (FileStatus fs : tests) {
dest.readFields(in);
assertEquals("Different FileStatuses in iteration " + iterator,
dest, fs);
iterator++;
}
}
}