jeremias 2003/08/21 11:53:51
Added: io/src/test/org/apache/commons/io
FileUtilsFileNewerTestCase.java
Log:
TestCases for isFileNewer methods in FileUtils
Submitted by: Alban Peignier <alban.peignier at free.fr>
Revision Changes Path
1.1
jakarta-commons-sandbox/io/src/test/org/apache/commons/io/FileUtilsFileNewerTestCase.java
Index: FileUtilsFileNewerTestCase.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/io/src/test/org/apache/commons/io/FileUtilsFileNewerTestCase.java,v
1.1 2003/08/21 18:53:51 jeremias Exp $
* $Revision: 1.1 $
* $Date: 2003/08/21 18:53:51 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements 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 [EMAIL PROTECTED]
*
* 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 Group.
*
* 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,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* ====================================================================
*
* 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.io;
import java.io.File;
import java.util.Date;
import org.apache.commons.io.testtools.*;
/**
* This is used to test FileUtils for correctness.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Alban Peignier</a>
*/
public final class FileUtilsFileNewerTestCase extends FileBasedTestCase {
// Test data
private static final int FILE1_SIZE = 1;
private static final int FILE2_SIZE = 1024 * 4 + 1;
private final File m_testFile1;
private final File m_testFile2;
public FileUtilsFileNewerTestCase(final String name) {
super(name);
m_testFile1 = new File(getTestDirectory(), "file1-test.txt");
m_testFile2 = new File(getTestDirectory(), "file2-test.txt");
}
/** @see junit.framework.TestCase#setUp() */
protected void setUp() throws Exception {
getTestDirectory().mkdirs();
createFile(m_testFile1, FILE1_SIZE);
createFile(m_testFile2, FILE2_SIZE);
}
/** @see junit.framework.TestCase#tearDown() */
protected void tearDown() throws Exception {
m_testFile1.delete();
m_testFile2.delete();
}
/**
* Tests the <code>isFileNewer(File, *)</code> methods which a "normal" file.
*
* @see FileUtils#isFileNewer(File, long)
* @see FileUtils#isFileNewer(File, Date)
* @see FileUtils#isFileNewer(File, File)
*/
public void testIsFileNewer() {
if (!m_testFile1.exists())
throw new IllegalStateException("The m_testFile1 should exist");
long fileLastModified = m_testFile1.lastModified();
final long ONE_SECOND = 1000;
testIsFileNewer("one second earlier is not newer" , m_testFile1,
fileLastModified + ONE_SECOND, false);
testIsFileNewer("same time is not newer" , m_testFile1, fileLastModified,
false);
testIsFileNewer("one second later is newer" , m_testFile1, fileLastModified
- ONE_SECOND, true);
}
/**
* Tests the <code>isFileNewer(File, *)</code> methods which a not existing file.
*
* @see FileUtils#isFileNewer(File, long)
* @see FileUtils#isFileNewer(File, Date)
* @see FileUtils#isFileNewer(File, File)
*/
public void testIsFileNewerImaginaryFile() {
File imaginaryFile = new File(getTestDirectory(), "imaginaryFile");
if (imaginaryFile.exists())
throw new IllegalStateException("The imaginary File exists");
testIsFileNewer("imaginary file can be newer" , imaginaryFile, 0, false);
}
/**
* Tests the <code>isFileNewer(File, *)</code> methods which the specified
conditions.
* <p/>
* Creates :
* <ul>
* <li>a <code>Date</code> which represents the time reference</li>
* <li>a temporary file with the same last modification date than the time
reference</li>
* </ul>
* Then compares (with the needed <code>isFileNewer</code> method) the last
modification date of
* the specified file with the specified time reference, the created
<code>Date</code> and the temporary
* file.
* <br/>
* The test is successfull if the three comparaisons return the specified wanted
result.
*
* @param description describes the tested situation
* @param file the file of which the last modification date is compared
* @param timeMillis the time reference measured in milliseconds since the epoch
*
* @see FileUtils#isFileNewer(File, long)
* @see FileUtils#isFileNewer(File, Date)
* @see FileUtils#isFileNewer(File, File)
*/
protected void testIsFileNewer(String description, File file, long time, boolean
wantedResult) {
assertEquals(description + " - time", wantedResult,
FileUtils.isFileNewer(file, time));
assertEquals(description + " - date", wantedResult,
FileUtils.isFileNewer(file, new Date(time)));
final File temporaryFile = m_testFile2;
temporaryFile.setLastModified(time);
if (temporaryFile.lastModified() != time)
throw new IllegalStateException("The temporary file hasn't the right
last modification date");
assertEquals(description + " - file", wantedResult,
FileUtils.isFileNewer(file, temporaryFile));
}
/**
* Tests the <code>isFileNewer(File, long)</code> method without specifying a
<code>File</code>.
* <br/>
* The test is successfull if the method throws an
<code>IllegalArgumentException</code>.
*/
public void testIsFileNewerNoFile() {
try {
FileUtils.isFileNewer(null,0);
fail("File not specified");
} catch (IllegalArgumentException e) {}
}
/**
* Tests the <code>isFileNewer(File, Date)</code> method without specifying a
<code>Date</code>.
* <br/>
* The test is successfull if the method throws an
<code>IllegalArgumentException</code>.
*/
public void testIsFileNewerNoDate() {
try {
FileUtils.isFileNewer(m_testFile1, (Date) null);
fail("Date not specified");
} catch (IllegalArgumentException e) {}
}
/**
* Tests the <code>isFileNewer(File, File)</code> method without specifying a
reference <code>File</code>.
* <br/>
* The test is successfull if the method throws an
<code>IllegalArgumentException</code>.
*/
public void testIsFileNewerNoFileReference() {
try {
FileUtils.isFileNewer(m_testFile1, (File) null);
fail("Reference file not specified");
} catch (IllegalArgumentException e) {}
}
}
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