org.apache.hadoop.raid.TestHarIndexParser.java Source code

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Here is the source code for org.apache.hadoop.raid.TestHarIndexParser.java

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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.raid;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;

import junit.framework.TestCase;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class TestHarIndexParser extends TestCase {
    final static Log LOG = LogFactory.getLog(TestHarIndexParser.class);
    File indexFile = null;

    protected void setUp() throws FileNotFoundException, IOException {
        LOG.info("TestHarIndexParser.setUp()");
        indexFile = File.createTempFile("harindex", ".tmp");
        indexFile.deleteOnExit();
        OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(indexFile), Charset.forName("UTF-8"));
        out.write("%2F dir 1282018162460+0+493+hadoop+hadoop 0 0 f1 f2 f3 f4\n");
        out.write("%2Ff1 file part-0 0 1024 1282018141145+1282018140822+420+hadoop+hadoop\n");
        out.write("%2Ff3 file part-0 2048 1024 1282018148590+1282018148255+420+hadoop+hadoop\n");
        out.write("%2Ff2 file part-0 1024 1024 1282018144198+1282018143852+420+hadoop+hadoop\n");
        out.write("%2Ff4 file part-1 0 1024000 1282018162959+1282018162460+420+hadoop+hadoop\n");
        out.flush();
        out.close();
    }

    protected void tearDown() {
        LOG.info("TestHarIndexParser.tearDown()");
        if (indexFile != null)
            indexFile.delete();
    }

    public void testHarIndexParser() throws UnsupportedEncodingException, IOException {
        LOG.info("testHarIndexParser started.");
        InputStream in = new FileInputStream(indexFile);
        long size = indexFile.length();
        HarIndex parser = new HarIndex(in, size);

        HarIndex.IndexEntry entry = parser.findEntry("part-0", 2100);
        assertEquals("/f3", entry.fileName);

        LOG.info("testHarIndexParser finished.");
    }
}