com.github.stephenc.javaisotools.loopfs.iso9660.Iso9660FileSystemTest.java Source code

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Here is the source code for com.github.stephenc.javaisotools.loopfs.iso9660.Iso9660FileSystemTest.java

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/*
 * Copyright (c) 2010. Stephen Connolly.
 *  
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *  
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package com.github.stephenc.javaisotools.loopfs.iso9660;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;

import com.github.stephenc.javaisotools.loopfs.spi.SeekableInputFileHadoop;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.*;

import org.codehaus.plexus.util.IOUtil;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.junit.Assume.assumeTrue;

/**
 * Tests the Iso9660 implementation.
 *
 * @author Stephen Connolly
 * @since Oct 5, 2010 1:06:36 PM
 */
public class Iso9660FileSystemTest {

    private static Properties testProperties;
    private static String filePath;

    @BeforeClass
    public static void loadConfiguration() throws Exception {
        testProperties = new Properties();
        InputStream is = null;
        try {
            is = Iso9660FileSystemTest.class.getResourceAsStream("/test.properties");
            testProperties.load(is);
            filePath = testProperties.getProperty("source-image");
        } finally {
            IOUtil.close(is);
        }
    }

    @Test
    public void smokes() throws Exception {
        Iso9660FileSystem image = new Iso9660FileSystem(new File(filePath), true);
        this.runCheck(image);
    }

    @Test
    public void hdfsSmokes() throws Exception {
        assumeTrue(isNotWindows());
        //Creating a Mini DFS Cluster as the default File System does not return a Seekable Stream
        MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(new Configuration());
        MiniDFSCluster hdfsCluster = builder.build();
        String hdfsTestFile = "hdfs://127.0.0.1:" + hdfsCluster.getNameNodePort() + "/test/" + filePath;
        hdfsCluster.getFileSystem().copyFromLocalFile(new Path(filePath), new Path(hdfsTestFile));
        InputStream is = hdfsCluster.getFileSystem().open(new Path(hdfsTestFile));
        Iso9660FileSystem image = new Iso9660FileSystem(new SeekableInputFileHadoop(is), true);
        this.runCheck(image);
        hdfsCluster.shutdown();
    }

    private void runCheck(Iso9660FileSystem image) throws Exception {
        File source = new File(testProperties.getProperty("source-root"));
        for (Iso9660FileEntry entry : image) {
            File sourceFile = new File(source, entry.getPath());
            assertThat(sourceFile.isDirectory(), is(entry.isDirectory()));
            if (!sourceFile.isDirectory()) {
                assertThat(sourceFile.length(), is(entry.getSize() * 1L));
                assertThat("contents are equal",
                        IOUtil.contentEquals(image.getInputStream(entry), new FileInputStream(sourceFile)),
                        is(true));
            }
        }
    }

    private boolean isNotWindows() {
        String os = System.getProperty("os.name");
        return !os.startsWith("Windows");
    }
}