/*
* 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.zip.ZipInputStream;
import de.unikassel.android.sdcframework.util.FileCompressor;
import de.unikassel.android.sdcframework.util.FileUtils;
import de.unikassel.android.sdcframework.util.ZipCompressionStrategy;
import android.content.Context;
import android.test.InstrumentationTestCase;
/**
* @author Katy Hilgenberg
*
*/
public class TestFileUtils
extends InstrumentationTestCase
{
/**
* The overall test file name
*/
private final String rawTestFilename = "Test.file";
/**
* The overall test file name
*/
private final String rawCopyFilename = "Test.cpy";
/**
* The overall test file name
*/
private final String rawZipFilename = "Test.zip";
/**
* The test file content
*/
private final String testContent = "This is some content\r\n for test!";
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception
{
// create a test file
File file =
new File( getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
BufferedOutputStream out =
new BufferedOutputStream( new FileOutputStream( file ) );
out.write( testContent.getBytes(), 0, testContent.length() );
out.close();
super.setUp();
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#tearDown()
*/
protected void tearDown() throws Exception
{
File file =
new File( getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
if ( file.exists() ) file.delete();
file =
new File( getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
if ( file.exists() ) file.delete();
file =
new File( getInstrumentation().getTargetContext().getFilesDir(),
rawZipFilename );
if ( file.exists() ) file.delete();
super.tearDown();
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#fileNameFromPath(java.lang.String)}
* .
*/
public final void testFileNameFromPath()
{
Context targetContext = getInstrumentation().getTargetContext();
String fileName = "Testfilename.what";
String fileNameWithPath =
targetContext.getFilesDir().getAbsolutePath() + File.separatorChar
+ fileName;
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileNameFromPath( fileNameWithPath ) );
fileNameWithPath = File.separatorChar + fileName;
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileNameFromPath( fileNameWithPath ) );
fileNameWithPath = "." + File.separatorChar + fileName;
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileNameFromPath( fileNameWithPath ) );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#fileFromPath(java.lang.String)}
* .
*/
public final void testFileFromPath()
{
Context targetContext = getInstrumentation().getTargetContext();
String fileName = "Testfilename.what";
// test absolute path
String fileNameWithPath =
targetContext.getFilesDir().getAbsolutePath() + File.separatorChar
+ fileName;
try
{
assertEquals( "Unexpected file name extracted", fileNameWithPath,
FileUtils.fileFromPath( fileNameWithPath ).getAbsolutePath() );
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileFromPath( fileNameWithPath ).getName() );
}
catch ( Exception e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
fileNameWithPath = File.separatorChar + fileName;
try
{
assertEquals( "Unexpected file name extracted", fileNameWithPath,
FileUtils.fileFromPath( fileNameWithPath ).getAbsolutePath() );
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileFromPath( fileNameWithPath ).getName() );
}
catch ( Exception e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
// test relative path
fileNameWithPath = "." + File.separatorChar + fileName;
try
{
assertEquals( "Unexpected file name extracted", fileNameWithPath,
FileUtils.fileFromPath( fileNameWithPath ).getPath() );
assertEquals( "Unexpected file name extracted", fileName,
FileUtils.fileFromPath( fileNameWithPath ).getName() );
}
catch ( Exception e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#deleteFile(java.lang.String)}
* .
*/
public final void testDeleteFile()
{
File fileToDelete = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
assertTrue( "Expected file existing for test => check test setup!",
fileToDelete.exists() );
assertTrue( "Expected deletion successful",
FileUtils.deleteFile( fileToDelete.getAbsolutePath() ) );
assertFalse( "Expected file deleted", fileToDelete.exists() );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#copy(java.lang.String, java.lang.String)}
* .
*/
public final void testCopyStringString()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
File dstFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertFalse( "Expected file not " + dstFile.getAbsolutePath()
+ " existing for test => check test setup!",
dstFile.exists() );
assertTrue( "Expected copy successful",
FileUtils.copy( srcFile.getAbsolutePath(), dstFile.getAbsolutePath() ) );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertTrue( "Expected file " + dstFile.getAbsolutePath()
+ " existing after copy", dstFile.exists() );
compareContent( srcFile, dstFile );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#copy(java.io.FileInputStream, java.lang.String)}
* .
*/
public final void testCopyFileInputStreamString()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
File dstFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertFalse( "Expected file not " + dstFile.getAbsolutePath()
+ " existing for test => check test setup!",
dstFile.exists() );
try
{
FileInputStream sourceStream = new FileInputStream( srcFile );
assertTrue( "Expected copy successful",
FileUtils.copy( sourceStream, dstFile.getAbsolutePath() ) );
sourceStream.close();
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertTrue( "Expected file " + dstFile.getAbsolutePath()
+ " existing after copy", dstFile.exists() );
compareContent( srcFile, dstFile );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#copy(java.io.File, java.io.File)}
* .
*/
public final void testCopyFileFile()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
File dstFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertFalse( "Expected file not " + dstFile.getAbsolutePath()
+ " existing for test => check test setup!",
dstFile.exists() );
assertTrue( "Expected copy successful",
FileUtils.copy( srcFile, dstFile ) );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertTrue( "Expected file " + dstFile.getAbsolutePath()
+ " existing after copy", dstFile.exists() );
compareContent( srcFile, dstFile );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#copy(java.io.FileInputStream, java.io.FileOutputStream)}
* .
*/
public final void testCopyFileInputStreamFileOutputStream()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
File dstFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertFalse( "Expected file not " + dstFile.getAbsolutePath()
+ " existing for test => check test setup!",
dstFile.exists() );
try
{
FileInputStream sourceStream = new FileInputStream( srcFile );
FileOutputStream destStreamt = new FileOutputStream( dstFile );
assertTrue( "Expected copy successful",
FileUtils.copy( sourceStream, destStreamt ) );
sourceStream.close();
destStreamt.close();
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
assertTrue( "Expected file " + dstFile.getAbsolutePath()
+ " existing after copy", dstFile.exists() );
compareContent( srcFile, dstFile );
}
/**
* Method to compare file contents
*
* @param srcFile
* the source file
* @param dstFile
* the destination file
*/
private void compareContent( File srcFile, File dstFile )
{
try
{
FileInputStream sourceStream = new FileInputStream( srcFile );
FileInputStream destStreamt = new FileInputStream( dstFile );
// we use the utility method to read from stream which is tested itself in
// a separate test
String srcText = FileUtils.readTextStreamContent( sourceStream );
String dstText = FileUtils.readTextStreamContent( destStreamt );
sourceStream.close();
destStreamt.close();
assertEquals( "Expetced both files have same content", srcText, dstText );
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#writeToTextFile(java.lang.String, java.lang.String)}
* .
*/
public final void testWriteToTextFile()
{
File dstFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawCopyFilename );
assertFalse( "Expected file not " + dstFile.getAbsolutePath()
+ " existing for test => check test setup!",
dstFile.exists() );
assertTrue( "Expected write successful", FileUtils.writeToTextFile(
this.testContent, dstFile.getAbsolutePath() ) );
assertTrue( "Expected file " + dstFile.getAbsolutePath() + " existing",
dstFile.exists() );
// we use the utility method to read from file is tested itself in
// a separate test
String content = FileUtils.readTextFileContent( dstFile.getAbsolutePath() );
assertEquals( "Unexpetced content written to file", this.testContent,
content );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#readTextFileContent(java.lang.String)}
* .
*/
public final void testReadTextFileContent()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
String content = FileUtils.readTextFileContent( srcFile.getAbsolutePath() );
assertEquals( "Unexpetced content read from file", this.testContent,
content );
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#readTextStreamContent(java.io.InputStream)}
* .
*/
public final void testReadTextStreamContent()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
try
{
FileInputStream sourceStream = new FileInputStream( srcFile );
String content =
FileUtils.readTextFileContent( srcFile.getAbsolutePath() );
sourceStream.close();
assertEquals( "Unexpetced content read from file", this.testContent,
content );
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
}
/**
* Test method for
* {@link de.unikassel.android.sdcframework.util.FileUtils#readTextFileContentFromArchive(java.util.zip.ZipInputStream, java.lang.String)}
* .
*/
public final void testReadTextFileContentFromArchive()
{
File srcFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawTestFilename );
File zipFile = new File(
getInstrumentation().getTargetContext().getFilesDir(),
rawZipFilename );
assertTrue( "Expected file " + srcFile.getAbsolutePath()
+ " existing for test => check test setup!",
srcFile.exists() );
// create archive
FileCompressor compressor =
new FileCompressor( new ZipCompressionStrategy() );
List< String > fileNames = new ArrayList< String >();
fileNames.add( srcFile.getAbsolutePath() );
compressor.compressFiles( fileNames, zipFile.getAbsolutePath() );
assertTrue( "Expected zip file " + zipFile.getAbsolutePath()
+ " created", zipFile.exists() );
try
{
ZipInputStream zipStream =
new ZipInputStream( new BufferedInputStream(
new FileInputStream( zipFile ) ) );
String content =
FileUtils.readTextFileContentFromArchive( zipStream,
srcFile.getName() );
zipStream.close();
assertEquals( "Unexpetced content read from archive", this.testContent,
content );
}
catch ( IOException e )
{
e.printStackTrace();
fail( "Unexpected exception" );
}
}
}