/*
* Copyright (C) 2012, Katy Hilgenberg.
* Special acknowledgments to: Knowledge & Data Engineering Group, University of Kassel (http://www.kde.cs.uni-kassel.de).
* Contact: sdcf@cs.uni-kassel.de
*
* This file is part of the SDCFramework (Sensor Data Collection Framework) project.
*
* The SDCFramework 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 3 of the License, or
* (at your option) any later version.
*
* The SDCFramework 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 the SDCFramework. If not, see <http://www.gnu.org/licenses/>.
*/
package de.unikassel.android.sdcframework.util.tests;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.test.InstrumentationTestCase;
import de.unikassel.android.sdcframework.data.ConcreteDeviceInformation;
import de.unikassel.android.sdcframework.data.independent.DeviceInformation;
import de.unikassel.android.sdcframework.test.TestUtils;
import de.unikassel.android.sdcframework.util.FileUtils;
import de.unikassel.android.sdcframework.util.ZipCompressionStrategy;
import de.unikassel.android.sdcframework.util.facade.ArchiveTypes;
/**
* @author Katy Hilgenberg
*
*/
public class TestZipCompressionStrategy
extends InstrumentationTestCase
{
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception
{
super.setUp();
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#tearDown()
*/
protected void tearDown() throws Exception
{
super.tearDown();
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.ZipCompressionStrategy#ZipCompressionStrategy()}
* .
*/
public final void testZipCompressionStrategy()
{
ZipCompressionStrategy compressionStrategy = new ZipCompressionStrategy();
assertEquals( "Expected method deflated set", ZipOutputStream.DEFLATED,
compressionStrategy.getMethod() );
assertEquals( "Unexpected archive extension", ArchiveTypes.zip.toString(),
compressionStrategy.getArchiveExtension() );
compressionStrategy = new ZipCompressionStrategy( true );
assertEquals( "Expected method deflated set", ZipOutputStream.DEFLATED,
compressionStrategy.getMethod() );
assertEquals( "Unexpected archive extension", ArchiveTypes.zip.toString(),
compressionStrategy.getArchiveExtension() );
compressionStrategy = new ZipCompressionStrategy( false );
assertEquals( "Expected method deflated set", ZipOutputStream.STORED,
compressionStrategy.getMethod() );
assertEquals( "Unexpected archive extension", ArchiveTypes.zip.toString(),
compressionStrategy.getArchiveExtension() );
}
/**
* Test compression.
*/
public final void testCompress()
{
Context targetContext = getInstrumentation().getTargetContext();
Resources resources = getInstrumentation().getContext().getResources();
AssetManager assetManager = resources.getAssets();
String fileName1 = targetContext.getFilesDir().getAbsolutePath()
+ File.separator + "SDCConfigForTest.xml";
String fileName2 = targetContext.getFilesDir().getAbsolutePath()
+ File.separator + "DeviceInfo.xml";
String destFile = targetContext.getFilesDir().getAbsolutePath()
+ File.separator + "Test.zip";
try
{
createLocalTestFiles( targetContext, assetManager, fileName1, fileName2 );
// try to compress it
ZipCompressionStrategy compressionStrategy = new ZipCompressionStrategy();
BufferedOutputStream bufferedOut =
new BufferedOutputStream( new FileOutputStream(
FileUtils.fileFromPath( destFile ) ) );
List< String > fileNames = new ArrayList< String >();
fileNames.add( fileName1 );
fileNames.add( fileName2 );
compressionStrategy.compress( fileNames, bufferedOut );
bufferedOut.close();
String orgContent1 = FileUtils.readTextFileContent( fileName1 );
String orgContent2 = FileUtils.readTextFileContent( fileName2 );
String content1 = readArchiveContent( destFile, fileName1 );
String content2 = readArchiveContent( destFile, fileName2 );
assertEquals( "Expected same content for file " + fileName1, orgContent1,
content1 );
assertEquals( "Expected same content for file " + fileName2, orgContent2,
content2 );
fileNames.add( destFile );
TestUtils.deleteLocalFiles( targetContext, fileNames );
}
catch ( Exception e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
}
/**
* Does create local test files
*
* @param targetContext
* the application target context
* @param assetManager
* the asset manager
* @param destFile1
* the first filename
* @param destFile2
* the second filename
* @throws IOException
* in case of IO error
*/
public static void createLocalTestFiles( Context targetContext,
AssetManager assetManager,
String destFile1, String destFile2 )
throws IOException
{
// copy asset file to local application path
TestUtils.copyAssetFile( assetManager, destFile1, new FileOutputStream(
FileUtils.fileFromPath( destFile1 ) ) );
// create another file with device info
DeviceInformation deviceInfo = new ConcreteDeviceInformation( UUID.randomUUID().toString() );
FileUtils.writeToTextFile( deviceInfo.toString(), destFile2 );
}
/**
* Does read the uncompressed archive content
*
* @param archive
* the archive
* @param fileName
* the filename in archive to read
* @return the uncompressed content of the file in the archive
*/
static String readArchiveContent( String archive, String fileName )
{
String result = "";
try
{
ZipInputStream zipStream =
new ZipInputStream( new BufferedInputStream(
new FileInputStream( FileUtils.fileFromPath(
archive ) ) ) );
result = FileUtils.readTextFileContentFromArchive( zipStream, fileName );
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
return result;
}
}