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Posted to dev@commons.apache.org by di...@apache.org on 2003/12/02 21:44:24 UTC
cvs commit: jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test BzipTestCase.java
dirkv 2003/12/02 12:44:24
Added: compress/src/test/org/apache/commons/compress/bzip2/example
Bzip2Compress.java Bzip2Uncompress.java
compress/src/test/org/apache/commons/compress/bzip2/test
BzipTestCase.java
Log:
move bzip2 tests to compress component
Revision Changes Path
1.1 jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Compress.java
Index: Bzip2Compress.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Compress.java,v 1.1 2003/12/02 20:44:24 dirkv Exp $
* $Revision: 1.1 $
* $Date: 2003/12/02 20:44:24 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.compress.bzip2.example;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.commons.compress.bzip2.CBZip2OutputStream;
/**
* This simple example shows how to use the Bzip2 classes to compress a file.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
*/
public class Bzip2Compress
{
public static void main( final String[] args )
throws Exception
{
if( 2 != args.length )
{
System.out.println( "java Bzip2Compress <input> <output>" );
System.exit( 1 );
}
final File source = new File( args[ 0 ] );
final File destination = new File( args[ 1 ] );
final CBZip2OutputStream output =
new CBZip2OutputStream( new FileOutputStream( destination ) );
final FileInputStream input = new FileInputStream( source );
copy( input, output );
input.close();
output.close();
}
/**
* Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
*/
private static void copy( final InputStream input,
final OutputStream output )
throws IOException
{
final byte[] buffer = new byte[ 8024 ];
int n = 0;
while( -1 != ( n = input.read( buffer ) ) )
{
output.write( buffer, 0, n );
}
}
}
1.1 jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Uncompress.java
Index: Bzip2Uncompress.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Uncompress.java,v 1.1 2003/12/02 20:44:24 dirkv Exp $
* $Revision: 1.1 $
* $Date: 2003/12/02 20:44:24 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.compress.bzip2.example;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.commons.compress.bzip2.CBZip2InputStream;
/**
* This simple example shows how to use the Bzip2 classes to uncompress a file.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @author <a href="mailto:nicolaken@apache.org">Nicola Ken Barozzi</a>
* @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
*/
public class Bzip2Uncompress
{
public static void main( final String[] args )
{
try
{
if( 2 != args.length )
{
System.out.println( "java Bzip2Uncompress <input> <output>" );
System.exit( 1 );
}
final File source = new File( args[ 0 ] );
final File destination = new File( args[ 1 ] );
final FileOutputStream output =
new FileOutputStream( destination );
final CBZip2InputStream input = new CBZip2InputStream( new FileInputStream( source ) );
copy( input, output );
input.close();
output.close();
}catch(Exception e){
e.printStackTrace();
System.exit(1);
}
}
/**
* Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
*/
private static void copy( final InputStream input,
final OutputStream output )
throws IOException
{
final byte[] buffer = new byte[ 8024 ];
int n = 0;
while( -1 != ( n = input.read( buffer ) ) )
{
output.write( buffer, 0, n );
}
}
}
1.1 jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test/BzipTestCase.java
Index: BzipTestCase.java
===================================================================
/*
* $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test/BzipTestCase.java,v 1.1 2003/12/02 20:44:24 dirkv Exp $
* $Revision: 1.1 $
* $Date: 2003/12/02 20:44:24 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.compress.bzip2.test;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import junit.framework.TestCase;
import org.apache.commons.compress.bzip2.CBZip2InputStream;
import org.apache.commons.compress.bzip2.CBZip2OutputStream;
/**
* A test the stress tested the BZip implementation to verify
* that it behaves correctly.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
*/
public class BzipTestCase
extends TestCase
{
private static final byte[] HEADER = new byte[]{(byte)'B', (byte)'Z'};
public BzipTestCase( final String name )
{
super( name );
}
public void testBzipOutputStream()
throws Exception
{
final InputStream input = getInputStream( "asf-logo-huge.tar" );
final File outputFile = getOutputFile( ".tar.bz2" );
final OutputStream output = new FileOutputStream( outputFile );
final CBZip2OutputStream packedOutput = getPackedOutput( output );
copy( input, packedOutput );
shutdownStream( input );
shutdownStream( packedOutput );
shutdownStream( output );
compareContents( "asf-logo-huge.tar.bz2", outputFile );
forceDelete( outputFile );
}
private void forceDelete( final File outputFile ) throws IOException
{
if( !outputFile.delete() )
{
final String message = "File " + outputFile + " unable to be deleted.";
throw new IOException( message );
}
}
public void testBzipInputStream()
throws Exception
{
final InputStream input = getInputStream( "asf-logo-huge.tar.bz2" );
final File outputFile = getOutputFile( ".tar" );
final OutputStream output = new FileOutputStream( outputFile );
final CBZip2InputStream packedInput = getPackedInput( input );
copy( packedInput, output );
shutdownStream( input );
shutdownStream( packedInput );
shutdownStream( output );
compareContents( "asf-logo-huge.tar", outputFile );
forceDelete( outputFile );
}
/**
* Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
*/
private void copy( final InputStream input,
final OutputStream output )
throws IOException
{
final byte[] buffer = new byte[ 8024 ];
int n = 0;
while( -1 != ( n = input.read( buffer ) ) )
{
output.write( buffer, 0, n );
}
}
private void compareContents( final String initial, final File generated )
throws Exception
{
final InputStream input1 = getInputStream( initial );
final InputStream input2 = new FileInputStream( generated );
final boolean test = contentEquals( input1, input2 );
shutdownStream( input1 );
shutdownStream( input2 );
assertTrue( "Contents of " + initial + " matches generated version " + generated, test );
}
private CBZip2InputStream getPackedInput( final InputStream input )
throws IOException
{
final int b1 = input.read();
final int b2 = input.read();
assertEquals( "Equal header byte1", b1, 'B' );
assertEquals( "Equal header byte2", b2, 'Z' );
return new CBZip2InputStream( input );
}
private CBZip2OutputStream getPackedOutput( final OutputStream output )
throws IOException
{
output.write( HEADER );
return new CBZip2OutputStream( output );
}
private File getOutputFile( final String postfix )
throws IOException
{
final File cwd = new File( "." );
return File.createTempFile( "ant-test", postfix, cwd );
}
private InputStream getInputStream( final String resource )
throws Exception
{
final String filename =
"src" + File.separator + "test" + File.separator +
getClass().getName().replace( '.', File.separatorChar );
final String path = getPath( filename );
final File input = new File( path, resource );
return new FileInputStream( input );
// final ClassLoader loader = getClass().getClassLoader();
// return loader.getResourceAsStream( resource );
}
/**
* Compare the contents of two Streams to determine if they are equal or not.
*
* @param input1 the first stream
* @param input2 the second stream
* @return true if the content of the streams are equal or they both don't exist, false otherwise
*/
private boolean contentEquals( final InputStream input1,
final InputStream input2 )
throws IOException
{
final InputStream bufferedInput1 = new BufferedInputStream( input1 );
final InputStream bufferedInput2 = new BufferedInputStream( input2 );
int ch = bufferedInput1.read();
while( -1 != ch )
{
final int ch2 = bufferedInput2.read();
if( ch != ch2 )
{
return false;
}
ch = bufferedInput1.read();
}
final int ch2 = bufferedInput2.read();
if( -1 != ch2 )
{
return false;
}
else
{
return true;
}
}
private String getPath( final String filepath )
{
final int index = filepath.lastIndexOf( File.separatorChar );
if( -1 == index )
{
return "";
}
else
{
return filepath.substring( 0, index );
}
}
/**
* Unconditionally close an <code>OutputStream</code>.
* Equivalent to {@link java.io.OutputStream#close()}, except any exceptions will be ignored.
* @param output A (possibly null) OutputStream
*/
private static void shutdownStream( final OutputStream output )
{
if( null == output )
{
return;
}
try
{
output.close();
}
catch( final IOException ioe )
{
}
}
/**
* Unconditionally close an <code>InputStream</code>.
* Equivalent to {@link InputStream#close()}, except any exceptions will be ignored.
* @param input A (possibly null) InputStream
*/
private static void shutdownStream( final InputStream input )
{
if( null == input )
{
return;
}
try
{
input.close();
}
catch( final IOException ioe )
{
}
}
}
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