donaldp 02/03/21 05:35:00
Added: tar/src/test/org/apache/avalon/excalibur/tar/test
TarTestCase.java TarTestSuite.java data.txt gnu.tar
posix.tar update-tars.bat
Log:
Add some unit tests for tar
Revision Changes Path
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/TarTestCase.java
Index: TarTestCase.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.avalon.excalibur.tar.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.avalon.excalibur.tar.TarEntry;
import org.apache.avalon.excalibur.tar.TarInputStream;
import org.apache.avalon.excalibur.tar.TarOutputStream;
/**
* Test case for all tar resources.
*
* @todo Find V7 tar and do tests against it
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2002/03/21 13:34:59 $
*/
public final class TarTestCase
extends TestCase
{
private static final char SP = File.separatorChar;
private static final String BASE_DATA_NAME = "data.txt";
private static final String LFN_PART = "a-b-c-d-e-f-g-h-i-j/";
private static final String LONG_FILE_NAME =
LFN_PART + LFN_PART + LFN_PART + LFN_PART + LFN_PART + "a";
private static final String BASEDIR = calcBaseDir();
private static final File BASEDIR_FILE = new File( BASEDIR );
private static final File POSIX_TAR_FILE =
new File( BASEDIR_FILE, "posix.tar" );
// private static final File V7_TAR_FILE =
// new File( BASEDIR_FILE, "v7.tar" );
private static final File GNU_TAR_FILE =
new File( BASEDIR_FILE, "gnu.tar" );
private static final File DATA_FILE1 =
new File( BASEDIR_FILE, BASE_DATA_NAME );
private static final String USER_NAME = "avalon";
private static final String GROUP_NAME = "excalibur";
private static final long SIZE = DATA_FILE1.length();
private static final int GROUP_ID = 0;
private static final int USER_ID = 0;
private static final int MODE = 0100000;
private static final int MOD_TIME = 0;
public TarTestCase()
{
this( "Tar Test Case" );
}
public TarTestCase( String name )
{
super( name );
}
private static String calcBaseDir()
{
final String name = TarTestCase.class.getName();
final int size = name.length();
final String filename =
name.substring( 0, size - 11 ).replace( '.', SP );
return ".." + SP + ".." + SP +
"src" + SP + "test" + SP + filename + SP;
}
public void testReadPosixTar()
throws Exception
{
compareTar( BASE_DATA_NAME, POSIX_TAR_FILE);
}
public void testReadGnuTar()
throws Exception
{
compareTar( LONG_FILE_NAME, GNU_TAR_FILE );
}
public void testWritePosixTar()
throws Exception
{
//final File temp = new File( BASEDIR_FILE, "posix2.tar" );
final File temp = File.createTempFile( "delete-me", "tar" );
final FileOutputStream fileOutput = new FileOutputStream( temp );
final TarOutputStream output = new TarOutputStream( fileOutput );
//output.setBufferDebug( true );
final TarEntry entry = new TarEntry( BASE_DATA_NAME );
setupEntry( entry );
output.putNextEntry( entry );
final FileInputStream fileInput = new FileInputStream( DATA_FILE1 );
output.copyEntryContents( fileInput );
output.closeEntry();
shutdownStream( fileInput );
shutdownStream( output );
shutdownStream( fileOutput );
assertTrue( "Tar files Equal", contentEquals( temp, POSIX_TAR_FILE )
);
temp.delete();
}
public void testWriteGnuTar()
throws Exception
{
//final File temp = new File( BASEDIR_FILE, "gnu2.tar" );
final File temp = File.createTempFile( "delete-me", "tar" );
final FileOutputStream fileOutput = new FileOutputStream( temp );
final TarOutputStream output = new TarOutputStream( fileOutput );
//output.setBufferDebug( true );
output.setLongFileMode( TarOutputStream.LONGFILE_GNU );
final TarEntry entry = new TarEntry( LONG_FILE_NAME );
setupEntry( entry );
output.putNextEntry( entry );
final FileInputStream fileInput = new FileInputStream( DATA_FILE1 );
output.copyEntryContents( fileInput );
output.closeEntry();
shutdownStream( fileInput );
shutdownStream( output );
shutdownStream( fileOutput );
//Have to compare it this way as the contents will differ
//due to entry created for second part of name
compareTar( LONG_FILE_NAME, temp );
temp.delete();
}
private void setupEntry( final TarEntry entry )
{
entry.setModTime( MOD_TIME );
entry.setSize( SIZE );
entry.setUserID( USER_ID );
entry.setGroupID( GROUP_ID );
entry.setUserName( USER_NAME );
entry.setGroupName( GROUP_NAME );
entry.setMode( MODE );
}
private void checkEntry( final TarEntry entry )
{
assertEquals( "Entry size", SIZE, entry.getSize() );
assertEquals( "Entry User ID", USER_ID, entry.getUserID() );
assertEquals( "Entry Group ID", GROUP_ID, entry.getGroupID() );
assertEquals( "Entry User name", USER_NAME, entry.getUserName() );
assertEquals( "Entry group name", GROUP_NAME, entry.getGroupName() );
assertEquals( "Entry mode", MODE, entry.getMode() );
assertEquals( "Entry mode", MOD_TIME, entry.getModTime().getTime() /
1000 );
}
/**
* Read tar entry with specified name from tar file1 and compare
* against data file DATA_FILE1.
*
* @param entryName the expected name of entry
* @param file1 the tar file comparing
* @throws IOException if an error occurs
*/
private void compareTar( final String entryName,
final File file1 )
throws IOException
{
final FileInputStream fileInput = new FileInputStream( file1 );
final TarInputStream input = new TarInputStream( fileInput );
//input.setDebug( true );
final TarEntry entry = input.getNextEntry();
assertEquals( "Entry name", entryName, entry.getName() );
checkEntry( entry );
final File temp = new File( BASEDIR_FILE, entryName.length() +
"data.txt");//File.createTempFile( "delete-me", "tar" );
final FileOutputStream output = new FileOutputStream( temp );
input.copyEntryContents( output );
shutdownStream( output );
assertNull( "Next Entry", input.getNextEntry() );
shutdownStream( input );
assertTrue( "Data Equals", contentEquals( temp, DATA_FILE1 ) );
temp.delete();
}
/**
* Compare the contents of two files to determine if they are equal or
not.
*
* @param file1 the first file
* @param file2 the second file
* @return true if the content of the files are equal or they both don't
exist, false otherwise
*/
private boolean contentEquals( final File file1, final File file2 )
throws IOException
{
final boolean file1Exists = file1.exists();
if( file1Exists != file2.exists() )
{
return false;
}
if( !file1Exists )
{
// two not existing files are equal
return true;
}
if( file1.isDirectory() || file2.isDirectory() )
{
// don't want to compare directory contents
return false;
}
InputStream input1 = null;
InputStream input2 = null;
try
{
input1 = new FileInputStream( file1 );
input2 = new FileInputStream( file2 );
return contentEquals( input1, input2 );
}
finally
{
shutdownStream( input1 );
shutdownStream( input2 );
}
}
/**
* 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 count = 0;
int ch = bufferedInput1.read();
while( -1 != ch )
{
final int ch2 = bufferedInput2.read();
count++;
if( ch != ch2 )
{
System.out.println( "count = " + count );
System.out.println( "ch2 = " + ch2 );
System.out.println( "ch = " + ch );
return false;
}
ch = bufferedInput1.read();
}
final int ch2 = bufferedInput2.read();
if( -1 != ch2 )
{
return false;
}
else
{
return true;
}
}
private void shutdownStream( final InputStream input )
{
if( null == input )
{
return;
}
try
{
input.close();
}
catch( final IOException ioe )
{
}
}
private void shutdownStream( final OutputStream output )
{
if( null == output )
{
return;
}
try
{
output.close();
}
catch( final IOException ioe )
{
}
}
}
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/TarTestSuite.java
Index: TarTestSuite.java
===================================================================
/*
* Copyright The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.avalon.excalibur.tar.test;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* A basic test suite that tests all the tar package.
*/
public class TarTestSuite
{
public static Test suite()
{
final TestSuite suite = new TestSuite( "Tar Utilities" );
return suite;
}
}
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/data.txt
Index: data.txt
===================================================================
One of the greatest benefactors of all lifekind was a man who
couldn't keep his mind on the job at hand.
Brilliant?
Certainly.
One of the foremost genetic engineers of his or any other
generation, including a number he had designed himself?
Without a doubt.
The problem was that he was far too interested in things which
he shouldn't be interested in, at least as people would tell him,
not now.
He was also, partly because of this, of a rather irritable
disposition.
So when the world was threatened by terrible invaders from a
distant star, who were still a fair way off but traveling fast,
he, Blart Versenwald III...
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/gnu.tar
<<Binary file>>
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/posix.tar
<<Binary file>>
1.1
jakarta-avalon-excalibur/tar/src/test/org/apache/avalon/excalibur/tar/test/update-tars.bat
Index: update-tars.bat
===================================================================
copy gnu2.tar gnu.tar
copy posix2.tar posix.tar
pause
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