Commons IO example source code file (FileUtilsTestCase.java)
The Commons IO FileUtilsTestCase.java source code/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.io;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
import org.apache.commons.io.filefilter.NameFileFilter;
import org.apache.commons.io.filefilter.WildcardFileFilter;
import org.apache.commons.io.testtools.FileBasedTestCase;
/**
* This is used to test FileUtils for correctness.
*
* @author Peter Donald
* @author Matthew Hawthorne
* @author Stephen Colebourne
* @author Jim Harrington
* @version $Id: FileUtilsTestCase.java 1022738 2010-10-14 22:12:03Z ggregory $
* @see FileUtils
*/
public class FileUtilsTestCase extends FileBasedTestCase {
// Test data
/**
* Size of test directory.
*/
private static final int TEST_DIRECTORY_SIZE = 0;
/**
* List files recursively
*/
private static final ListDirectoryWalker LIST_WALKER = new ListDirectoryWalker();
/** Delay in milliseconds to make sure test for "last modified date" are accurate */
//private static final int LAST_MODIFIED_DELAY = 600;
private File testFile1;
private File testFile2;
private int testFile1Size;
private int testFile2Size;
public FileUtilsTestCase(String name) {
super(name);
testFile1 = new File(getTestDirectory(), "file1-test.txt");
testFile2 = new File(getTestDirectory(), "file1a-test.txt");
testFile1Size = (int)testFile1.length();
testFile2Size = (int)testFile2.length();
}
/** @see junit.framework.TestCase#setUp() */
@Override
protected void setUp() throws Exception {
getTestDirectory().mkdirs();
createFile(testFile1, testFile1Size);
createFile(testFile2, testFile2Size);
FileUtils.deleteDirectory(getTestDirectory());
getTestDirectory().mkdirs();
createFile(testFile1, testFile1Size);
createFile(testFile2, testFile2Size);
}
/** @see junit.framework.TestCase#tearDown() */
@Override
protected void tearDown() throws Exception {
FileUtils.deleteDirectory(getTestDirectory());
}
//-----------------------------------------------------------------------
/**
* Tests the {@link FileUtils#getTempDirectoryPath()} method.
*/
public void testGetTempDirectoryPath() {
assertEquals(System.getProperty("java.io.tmpdir"),
FileUtils.getTempDirectoryPath());
}
/**
* Tests the {@link FileUtils#getTempDirectory()} method.
*/
public void testGetTempDirectory() {
File tempDirectory = new File(System.getProperty("java.io.tmpdir"));
assertEquals(tempDirectory, FileUtils.getTempDirectory());
}
/**
* Tests the {@link FileUtils#getUserDirectoryPath()} method.
*/
public void testGetUserDirectoryPath() {
assertEquals(System.getProperty("user.home"),
FileUtils.getUserDirectoryPath());
}
/**
* Tests the {@link FileUtils#getUserDirectory()} method.
*/
public void testGetUserDirectory() {
File userDirectory = new File(System.getProperty("user.home"));
assertEquals(userDirectory, FileUtils.getUserDirectory());
}
//-----------------------------------------------------------------------
public void test_openInputStream_exists() throws Exception {
File file = new File(getTestDirectory(), "test.txt");
createLineBasedFile(file, new String[] {"Hello"});
FileInputStream in = null;
try {
in = FileUtils.openInputStream(file);
assertEquals('H', in.read());
} finally {
IOUtils.closeQuietly(in);
}
}
public void test_openInputStream_existsButIsDirectory() throws Exception {
File directory = new File(getTestDirectory(), "subdir");
directory.mkdirs();
FileInputStream in = null;
try {
in = FileUtils.openInputStream(directory);
fail();
} catch (IOException ioe) {
// expected
} finally {
IOUtils.closeQuietly(in);
}
}
public void test_openInputStream_notExists() throws Exception {
File directory = new File(getTestDirectory(), "test.txt");
FileInputStream in = null;
try {
in = FileUtils.openInputStream(directory);
fail();
} catch (IOException ioe) {
// expected
} finally {
IOUtils.closeQuietly(in);
}
}
//-----------------------------------------------------------------------
void openOutputStream_noParent(boolean createFile) throws Exception {
File file = new File("test.txt");
assertNull(file.getParentFile());
try {
if (createFile) {
createLineBasedFile(file, new String[]{"Hello"});}
FileOutputStream out = null;
try {
out = FileUtils.openOutputStream(file);
out.write(0);
} finally {
IOUtils.closeQuietly(out);
}
assertEquals(true, file.exists());
} finally {
if (file.delete() == false) {
file.deleteOnExit();
}
}
}
public void test_openOutputStream_noParentCreateFile() throws Exception {
openOutputStream_noParent(true);
}
public void test_openOutputStream_noParentNoFile() throws Exception {
openOutputStream_noParent(false);
}
public void test_openOutputStream_exists() throws Exception {
File file = new File(getTestDirectory(), "test.txt");
createLineBasedFile(file, new String[] {"Hello"});
FileOutputStream out = null;
try {
out = FileUtils.openOutputStream(file);
out.write(0);
} finally {
IOUtils.closeQuietly(out);
}
assertEquals(true, file.exists());
}
public void test_openOutputStream_existsButIsDirectory() throws Exception {
File directory = new File(getTestDirectory(), "subdir");
directory.mkdirs();
FileOutputStream out = null;
try {
out = FileUtils.openOutputStream(directory);
fail();
} catch (IOException ioe) {
// expected
} finally {
IOUtils.closeQuietly(out);
}
}
public void test_openOutputStream_notExists() throws Exception {
File file = new File(getTestDirectory(), "a/test.txt");
FileOutputStream out = null;
try {
out = FileUtils.openOutputStream(file);
out.write(0);
} finally {
IOUtils.closeQuietly(out);
}
assertEquals(true, file.exists());
}
public void test_openOutputStream_notExistsCannotCreate() throws Exception {
// according to Wikipedia, most filing systems have a 256 limit on filename
String longStr =
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz" +
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz" +
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz" +
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz" +
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz" +
"abcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyzabcdevwxyz"; // 300 chars
File file = new File(getTestDirectory(), "a/" + longStr + "/test.txt");
FileOutputStream out = null;
try {
out = FileUtils.openOutputStream(file);
fail();
} catch (IOException ioe) {
// expected
} finally {
IOUtils.closeQuietly(out);
}
}
//-----------------------------------------------------------------------
// byteCountToDisplaySize
public void testByteCountToDisplaySize() {
assertEquals(FileUtils.byteCountToDisplaySize(0), "0 bytes");
assertEquals(FileUtils.byteCountToDisplaySize(1024), "1 KB");
assertEquals(FileUtils.byteCountToDisplaySize(1024 * 1024), "1 MB");
assertEquals(
FileUtils.byteCountToDisplaySize(1024 * 1024 * 1024),
"1 GB");
}
//-----------------------------------------------------------------------
public void testToFile1() throws Exception {
URL url = new URL("file", null, "a/b/c/file.txt");
File file = FileUtils.toFile(url);
assertEquals(true, file.toString().indexOf("file.txt") >= 0);
}
public void testToFile2() throws Exception {
URL url = new URL("file", null, "a/b/c/file%20n%61me%2520.tx%74");
File file = FileUtils.toFile(url);
assertEquals(true, file.toString().indexOf("file name%20.txt") >= 0);
}
public void testToFile3() throws Exception {
assertEquals(null, FileUtils.toFile((URL) null));
assertEquals(null, FileUtils.toFile(new URL("http://jakarta.apache.org")));
}
public void testToFile4() throws Exception {
URL url = new URL("file", null, "a/b/c/file%%20%me.txt%");
File file = FileUtils.toFile(url);
assertEquals(true, file.toString().indexOf("file% %me.txt%") >= 0);
}
/** IO-252 */
public void testToFile5() throws Exception {
URL url = new URL("file", null, "both%20are%20100%20%25%20true");
File file = FileUtils.toFile(url);
assertEquals("both are 100 % true", file.toString());
}
public void testToFileUtf8() throws Exception {
URL url = new URL("file", null, "/home/%C3%A4%C3%B6%C3%BC%C3%9F");
File file = FileUtils.toFile(url);
assertEquals(true, file.toString().indexOf("\u00E4\u00F6\u00FC\u00DF") >= 0);
}
public void testDecodeUrl() {
assertEquals("", FileUtils.decodeUrl(""));
assertEquals("foo", FileUtils.decodeUrl("foo"));
assertEquals("+", FileUtils.decodeUrl("+"));
assertEquals("% ", FileUtils.decodeUrl("%25%20"));
assertEquals("%20", FileUtils.decodeUrl("%2520"));
assertEquals("jar:file:/C:/dir/sub dir/1.0/foo-1.0.jar!/org/Bar.class", FileUtils
.decodeUrl("jar:file:/C:/dir/sub%20dir/1.0/foo-1.0.jar!/org/Bar.class"));
}
public void testDecodeUrlLenient() {
assertEquals(" ", FileUtils.decodeUrl(" "));
assertEquals("\u00E4\u00F6\u00FC\u00DF", FileUtils.decodeUrl("\u00E4\u00F6\u00FC\u00DF"));
assertEquals("%", FileUtils.decodeUrl("%"));
assertEquals("% ", FileUtils.decodeUrl("%%20"));
assertEquals("%2", FileUtils.decodeUrl("%2"));
assertEquals("%2G", FileUtils.decodeUrl("%2G"));
}
public void testDecodeUrlNullSafe() {
assertNull(FileUtils.decodeUrl(null));
}
public void testDecodeUrlEncodingUtf8() {
assertEquals("\u00E4\u00F6\u00FC\u00DF", FileUtils.decodeUrl("%C3%A4%C3%B6%C3%BC%C3%9F"));
}
// toFiles
public void testToFiles1() throws Exception {
URL[] urls = new URL[] {
new URL("file", null, "file1.txt"),
new URL("file", null, "file2.txt"),
};
File[] files = FileUtils.toFiles(urls);
assertEquals(urls.length, files.length);
assertEquals("File: " + files[0], true, files[0].toString().indexOf("file1.txt") >= 0);
assertEquals("File: " + files[1], true, files[1].toString().indexOf("file2.txt") >= 0);
}
public void testToFiles2() throws Exception {
URL[] urls = new URL[] {
new URL("file", null, "file1.txt"),
null,
};
File[] files = FileUtils.toFiles(urls);
assertEquals(urls.length, files.length);
assertEquals("File: " + files[0], true, files[0].toString().indexOf("file1.txt") >= 0);
assertEquals("File: " + files[1], null, files[1]);
}
public void testToFiles3() throws Exception {
URL[] urls = null;
File[] files = FileUtils.toFiles(urls);
assertEquals(0, files.length);
}
public void testToFiles4() throws Exception {
URL[] urls = new URL[] {
new URL("file", null, "file1.txt"),
new URL("http", "jakarta.apache.org", "file1.txt"),
};
try {
FileUtils.toFiles(urls);
fail();
} catch (IllegalArgumentException ex) {}
}
// toURLs
public void testToURLs1() throws Exception {
File[] files = new File[] {
new File(getTestDirectory(), "file1.txt"),
new File(getTestDirectory(), "file2.txt"),
new File(getTestDirectory(), "test file.txt"),
};
URL[] urls = FileUtils.toURLs(files);
assertEquals(files.length, urls.length);
assertEquals(true, urls[0].toExternalForm().startsWith("file:"));
assertEquals(true, urls[0].toExternalForm().indexOf("file1.txt") >= 0);
assertEquals(true, urls[1].toExternalForm().startsWith("file:"));
assertEquals(true, urls[1].toExternalForm().indexOf("file2.txt") >= 0);
// Test escaped char
assertEquals(true, urls[2].toExternalForm().startsWith("file:"));
assertEquals(true, urls[2].toExternalForm().indexOf("test%20file.txt") >= 0);
}
// public void testToURLs2() throws Exception {
// File[] files = new File[] {
// new File(getTestDirectory(), "file1.txt"),
// null,
// };
// URL[] urls = FileUtils.toURLs(files);
//
// assertEquals(files.length, urls.length);
// assertEquals(true, urls[0].toExternalForm().startsWith("file:"));
// assertEquals(true, urls[0].toExternalForm().indexOf("file1.txt") > 0);
// assertEquals(null, urls[1]);
// }
//
// public void testToURLs3() throws Exception {
// File[] files = null;
// URL[] urls = FileUtils.toURLs(files);
//
// assertEquals(0, urls.length);
// }
// contentEquals
public void testContentEquals() throws Exception {
// Non-existent files
File file = new File(getTestDirectory(), getName());
File file2 = new File(getTestDirectory(), getName() + "2");
// both don't exist
assertTrue(FileUtils.contentEquals(file, file));
assertTrue(FileUtils.contentEquals(file, file2));
assertTrue(FileUtils.contentEquals(file2, file2));
assertTrue(FileUtils.contentEquals(file2, file));
// Directories
try {
FileUtils.contentEquals(getTestDirectory(), getTestDirectory());
fail("Comparing directories should fail with an IOException");
} catch (IOException ioe) {
//expected
}
// Different files
File objFile1 =
new File(getTestDirectory(), getName() + ".object");
objFile1.deleteOnExit();
FileUtils.copyURLToFile(
getClass().getResource("/java/lang/Object.class"),
objFile1);
File objFile1b =
new File(getTestDirectory(), getName() + ".object2");
objFile1.deleteOnExit();
FileUtils.copyURLToFile(
getClass().getResource("/java/lang/Object.class"),
objFile1b);
File objFile2 =
new File(getTestDirectory(), getName() + ".collection");
objFile2.deleteOnExit();
FileUtils.copyURLToFile(
getClass().getResource("/java/util/Collection.class"),
objFile2);
assertEquals(false, FileUtils.contentEquals(objFile1, objFile2));
assertEquals(false, FileUtils.contentEquals(objFile1b, objFile2));
assertEquals(true, FileUtils.contentEquals(objFile1, objFile1b));
assertEquals(true, FileUtils.contentEquals(objFile1, objFile1));
assertEquals(true, FileUtils.contentEquals(objFile1b, objFile1b));
assertEquals(true, FileUtils.contentEquals(objFile2, objFile2));
// Equal files
file.createNewFile();
file2.createNewFile();
assertEquals(true, FileUtils.contentEquals(file, file));
assertEquals(true, FileUtils.contentEquals(file, file2));
}
// copyURLToFile
public void testCopyURLToFile() throws Exception {
// Creates file
File file = new File(getTestDirectory(), getName());
file.deleteOnExit();
// Loads resource
String resourceName = "/java/lang/Object.class";
FileUtils.copyURLToFile(getClass().getResource(resourceName), file);
// Tests that resuorce was copied correctly
FileInputStream fis = new FileInputStream(file);
try {
assertTrue(
"Content is not equal.",
IOUtils.contentEquals(
getClass().getResourceAsStream(resourceName),
fis));
} finally {
fis.close();
}
//TODO Maybe test copy to itself like for copyFile()
}
public void testCopyURLToFileWithTimeout() throws Exception {
// Creates file
File file = new File(getTestDirectory(), "testCopyURLToFileWithTimeout");
file.deleteOnExit();
// Loads resource
String resourceName = "/java/lang/Object.class";
FileUtils.copyURLToFile(getClass().getResource(resourceName), file, 500, 500);
// Tests that resuorce was copied correctly
FileInputStream fis = new FileInputStream(file);
try {
assertTrue(
"Content is not equal.",
IOUtils.contentEquals(
getClass().getResourceAsStream(resourceName),
fis));
} finally {
fis.close();
}
//TODO Maybe test copy to itself like for copyFile()
}
// forceMkdir
public void testForceMkdir() throws Exception {
// Tests with existing directory
FileUtils.forceMkdir(getTestDirectory());
// Creates test file
File testFile = new File(getTestDirectory(), getName());
testFile.deleteOnExit();
testFile.createNewFile();
assertTrue("Test file does not exist.", testFile.exists());
// Tests with existing file
try {
FileUtils.forceMkdir(testFile);
fail("Exception expected.");
} catch (IOException ex) {}
testFile.delete();
// Tests with non-existent directory
FileUtils.forceMkdir(testFile);
assertTrue("Directory was not created.", testFile.exists());
}
// sizeOfDirectory
public void testSizeOfDirectory() throws Exception {
File file = new File(getTestDirectory(), getName());
// Non-existent file
try {
FileUtils.sizeOfDirectory(file);
fail("Exception expected.");
} catch (IllegalArgumentException ex) {}
// Creates file
file.createNewFile();
file.deleteOnExit();
// Existing file
try {
FileUtils.sizeOfDirectory(file);
fail("Exception expected.");
} catch (IllegalArgumentException ex) {}
// Existing directory
file.delete();
file.mkdir();
assertEquals(
"Unexpected directory size",
TEST_DIRECTORY_SIZE,
FileUtils.sizeOfDirectory(file));
}
/**
* Tests the {@link FileUtils#sizeOf(File)} method.
* @throws Exception
*/
public void testSizeOf() throws Exception {
File file = new File(getTestDirectory(), getName());
// Null argument
try {
FileUtils.sizeOf(null);
fail("Exception expected.");
} catch (NullPointerException ex) {}
// Non-existent file
try {
FileUtils.sizeOf(file);
fail("Exception expected.");
} catch (IllegalArgumentException ex) {}
// Creates file
file.createNewFile();
file.deleteOnExit();
// New file
assertEquals(0, FileUtils.sizeOf(file));
file.delete();
// Existing file
assertEquals("Unexpected files size",
testFile1Size,
FileUtils.sizeOf(testFile1));
// Existing directory
assertEquals("Unexpected directory size",
TEST_DIRECTORY_SIZE,
FileUtils.sizeOf(getTestDirectory()));
}
// isFileNewer / isFileOlder
public void testIsFileNewerOlder() throws Exception {
File reference = new File(getTestDirectory(), "FileUtils-reference.txt");
File oldFile = new File(getTestDirectory(), "FileUtils-old.txt");
File newFile = new File(getTestDirectory(), "FileUtils-new.txt");
File invalidFile = new File(getTestDirectory(), "FileUtils-invalid-file.txt");
// Create Files
createFile(oldFile, 0);
do {
try {
Thread.sleep(1000);
} catch(InterruptedException ie) {
// ignore
}
createFile(reference, 0);
} while( oldFile.lastModified() == reference.lastModified() );
Date date = new Date();
long now = date.getTime();
do {
try {
Thread.sleep(1000);
} catch(InterruptedException ie) {
// ignore
}
createFile(newFile, 0);
} while( reference.lastModified() == newFile.lastModified() );
// Test isFileNewer()
assertFalse("Old File - Newer - File", FileUtils.isFileNewer(oldFile, reference));
assertFalse("Old File - Newer - Date", FileUtils.isFileNewer(oldFile, date));
assertFalse("Old File - Newer - Mili", FileUtils.isFileNewer(oldFile, now));
assertTrue("New File - Newer - File", FileUtils.isFileNewer(newFile, reference));
assertTrue("New File - Newer - Date", FileUtils.isFileNewer(newFile, date));
assertTrue("New File - Newer - Mili", FileUtils.isFileNewer(newFile, now));
assertFalse("Invalid - Newer - File", FileUtils.isFileNewer(invalidFile, reference));
final String invalidFileName = invalidFile.getName();
try {
FileUtils.isFileNewer(newFile, invalidFile);
fail("Should have cause IllegalArgumentException");
} catch (IllegalArgumentException iae){
final String message = iae.getMessage();
assertTrue("Message should contain: "+invalidFileName+ " but was: "+message,message.contains(invalidFileName));
}
// Test isFileOlder()
assertTrue("Old File - Older - File", FileUtils.isFileOlder(oldFile, reference));
assertTrue("Old File - Older - Date", FileUtils.isFileOlder(oldFile, date));
assertTrue("Old File - Older - Mili", FileUtils.isFileOlder(oldFile, now));
assertFalse("New File - Older - File", FileUtils.isFileOlder(newFile, reference));
assertFalse("New File - Older - Date", FileUtils.isFileOlder(newFile, date));
assertFalse("New File - Older - Mili", FileUtils.isFileOlder(newFile, now));
assertFalse("Invalid - Older - File", FileUtils.isFileOlder(invalidFile, reference));
try {
FileUtils.isFileOlder(newFile, invalidFile);
fail("Should have cause IllegalArgumentException");
} catch (IllegalArgumentException iae){
final String message = iae.getMessage();
assertTrue("Message should contain: "+invalidFileName+ " but was: "+message,message.contains(invalidFileName));
}
// ----- Test isFileNewer() exceptions -----
// Null File
try {
FileUtils.isFileNewer(null, now);
fail("Newer Null, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Null reference File
try {
FileUtils.isFileNewer(oldFile, (File)null);
fail("Newer Null reference, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Invalid reference File
try {
FileUtils.isFileNewer(oldFile, invalidFile);
fail("Newer invalid reference, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Null reference Date
try {
FileUtils.isFileNewer(oldFile, (Date)null);
fail("Newer Null date, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// ----- Test isFileOlder() exceptions -----
// Null File
try {
FileUtils.isFileOlder(null, now);
fail("Older Null, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Null reference File
try {
FileUtils.isFileOlder(oldFile, (File)null);
fail("Older Null reference, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Invalid reference File
try {
FileUtils.isFileOlder(oldFile, invalidFile);
fail("Older invalid reference, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
// Null reference Date
try {
FileUtils.isFileOlder(oldFile, (Date)null);
fail("Older Null date, expected IllegalArgumentExcepion");
} catch (IllegalArgumentException expected) {
// expected result
}
}
// // TODO Remove after debugging
// private void log(Object obj) {
// System.out.println(
// FileUtilsTestCase.class +" " + getName() + " " + obj);
// }
// copyFile
public void testCopyFile1() throws Exception {
File destination = new File(getTestDirectory(), "copy1.txt");
//Thread.sleep(LAST_MODIFIED_DELAY);
//This is to slow things down so we can catch if
//the lastModified date is not ok
FileUtils.copyFile(testFile1, destination);
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", testFile1Size, destination.length());
/* disabled: Thread.sleep doesn't work reliantly for this case
assertTrue("Check last modified date preserved",
testFile1.lastModified() == destination.lastModified());*/
}
public void IGNOREtestCopyFileLarge() throws Exception {
File largeFile = new File(getTestDirectory(), "large.txt");
File destination = new File(getTestDirectory(), "copylarge.txt");
System.out.println("START: " + new java.util.Date());
createFile(largeFile, FileUtils.ONE_GB);
System.out.println("CREATED: " + new java.util.Date());
FileUtils.copyFile(largeFile, destination);
System.out.println("COPIED: " + new java.util.Date());
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", largeFile.length(), destination.length());
}
public void testCopyFile2() throws Exception {
File destination = new File(getTestDirectory(), "copy2.txt");
//Thread.sleep(LAST_MODIFIED_DELAY);
//This is to slow things down so we can catch if
//the lastModified date is not ok
FileUtils.copyFile(testFile1, destination);
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", testFile2Size, destination.length());
/* disabled: Thread.sleep doesn't work reliably for this case
assertTrue("Check last modified date preserved",
testFile1.lastModified() == destination.lastModified());*/
}
public void testCopyToSelf() throws Exception {
File destination = new File(getTestDirectory(), "copy3.txt");
//Prepare a test file
FileUtils.copyFile(testFile1, destination);
try {
FileUtils.copyFile(destination, destination);
fail("file copy to self should not be possible");
} catch (IOException ioe) {
//we want the exception, copy to self should be illegal
}
}
public void testCopyFile2WithoutFileDatePreservation() throws Exception {
File destination = new File(getTestDirectory(), "copy2.txt");
//Thread.sleep(LAST_MODIFIED_DELAY);
//This is to slow things down so we can catch if
//the lastModified date is not ok
FileUtils.copyFile(testFile1, destination, false);
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", testFile2Size, destination.length());
/* disabled: Thread.sleep doesn't work reliantly for this case
assertTrue("Check last modified date modified",
testFile1.lastModified() != destination.lastModified());*/
}
public void testCopyDirectoryToDirectory_NonExistingDest() throws Exception {
createFile(testFile1, 1234);
createFile(testFile2, 4321);
File srcDir = getTestDirectory();
File subDir = new File(srcDir, "sub");
subDir.mkdir();
File subFile = new File(subDir, "A.txt");
FileUtils.writeStringToFile(subFile, "HELLO WORLD", "UTF8");
File destDir = new File(System.getProperty("java.io.tmpdir"), "tmp-FileUtilsTestCase");
FileUtils.deleteDirectory(destDir);
File actualDestDir = new File(destDir, srcDir.getName());
FileUtils.copyDirectoryToDirectory(srcDir, destDir);
assertTrue("Check exists", destDir.exists());
assertTrue("Check exists", actualDestDir.exists());
assertEquals("Check size", FileUtils.sizeOfDirectory(srcDir), FileUtils.sizeOfDirectory(actualDestDir));
assertEquals(true, new File(actualDestDir, "sub/A.txt").exists());
FileUtils.deleteDirectory(destDir);
}
public void testCopyDirectoryToNonExistingDest() throws Exception {
createFile(testFile1, 1234);
createFile(testFile2, 4321);
File srcDir = getTestDirectory();
File subDir = new File(srcDir, "sub");
subDir.mkdir();
File subFile = new File(subDir, "A.txt");
FileUtils.writeStringToFile(subFile, "HELLO WORLD", "UTF8");
File destDir = new File(System.getProperty("java.io.tmpdir"), "tmp-FileUtilsTestCase");
FileUtils.deleteDirectory(destDir);
FileUtils.copyDirectory(srcDir, destDir);
assertTrue("Check exists", destDir.exists());
assertEquals("Check size", FileUtils.sizeOfDirectory(srcDir), FileUtils.sizeOfDirectory(destDir));
assertEquals(true, new File(destDir, "sub/A.txt").exists());
FileUtils.deleteDirectory(destDir);
}
public void testCopyDirectoryToExistingDest() throws Exception {
createFile(testFile1, 1234);
createFile(testFile2, 4321);
File srcDir = getTestDirectory();
File subDir = new File(srcDir, "sub");
subDir.mkdir();
File subFile = new File(subDir, "A.txt");
FileUtils.writeStringToFile(subFile, "HELLO WORLD", "UTF8");
File destDir = new File(System.getProperty("java.io.tmpdir"), "tmp-FileUtilsTestCase");
FileUtils.deleteDirectory(destDir);
destDir.mkdirs();
FileUtils.copyDirectory(srcDir, destDir);
assertEquals(FileUtils.sizeOfDirectory(srcDir), FileUtils.sizeOfDirectory(destDir));
assertEquals(true, new File(destDir, "sub/A.txt").exists());
}
public void testCopyDirectoryFiltered() throws Exception {
File grandParentDir = new File(getTestDirectory(), "grandparent");
File parentDir = new File(grandParentDir, "parent");
File childDir = new File(parentDir, "child");
createFilesForTestCopyDirectory(grandParentDir, parentDir, childDir);
NameFileFilter filter = new NameFileFilter(new String[] {"parent", "child", "file3.txt"});
File destDir = new File(getTestDirectory(), "copydest");
FileUtils.copyDirectory(grandParentDir, destDir, filter);
List<File> files = LIST_WALKER.list(destDir);
assertEquals(3, files.size());
assertEquals("parent", files.get(0).getName());
assertEquals("child", files.get(1).getName());
assertEquals("file3.txt", files.get(2).getName());
}
public void testCopyDirectoryPreserveDates() throws Exception {
File source = new File(getTestDirectory(), "source");
File sourceDirectory = new File(source, "directory");
File sourceFile = new File(sourceDirectory, "hello.txt");
// Prepare source data
source.mkdirs();
sourceDirectory.mkdir();
FileUtils.writeStringToFile(sourceFile, "HELLO WORLD", "UTF8");
// Set dates in reverse order to avoid overwriting previous values
// Also, use full seconds (arguments are in ms) close to today
// but still highly unlikely to occur in the real world
sourceFile.setLastModified(1000000002000L);
sourceDirectory.setLastModified(1000000001000L);
source.setLastModified(1000000000000L);
File target = new File(getTestDirectory(), "target");
File targetDirectory = new File(target, "directory");
File targetFile = new File(targetDirectory, "hello.txt");
// Test with preserveFileDate disabled
FileUtils.copyDirectory(source, target, false);
assertTrue(1000000000000L != target.lastModified());
assertTrue(1000000001000L != targetDirectory.lastModified());
assertTrue(1000000002000L != targetFile.lastModified());
FileUtils.deleteDirectory(target);
// Test with preserveFileDate enabled
FileUtils.copyDirectory(source, target, true);
assertEquals(1000000000000L, target.lastModified());
assertEquals(1000000001000L, targetDirectory.lastModified());
assertEquals(1000000002000L, targetFile.lastModified());
FileUtils.deleteDirectory(target);
// also if the target directory already exists (IO-190)
target.mkdirs();
FileUtils.copyDirectory(source, target, true);
assertEquals(1000000000000L, target.lastModified());
assertEquals(1000000001000L, targetDirectory.lastModified());
assertEquals(1000000002000L, targetFile.lastModified());
FileUtils.deleteDirectory(target);
// also if the target subdirectory already exists (IO-190)
targetDirectory.mkdirs();
FileUtils.copyDirectory(source, target, true);
assertEquals(1000000000000L, target.lastModified());
assertEquals(1000000001000L, targetDirectory.lastModified());
assertEquals(1000000002000L, targetFile.lastModified());
FileUtils.deleteDirectory(target);
}
/** Test for IO-141 */
public void testCopyDirectoryToChild() throws Exception {
File grandParentDir = new File(getTestDirectory(), "grandparent");
File parentDir = new File(grandParentDir, "parent");
File childDir = new File(parentDir, "child");
createFilesForTestCopyDirectory(grandParentDir, parentDir, childDir);
long expectedCount = LIST_WALKER.list(grandParentDir).size() +
LIST_WALKER.list(parentDir).size();
long expectedSize = FileUtils.sizeOfDirectory(grandParentDir) +
FileUtils.sizeOfDirectory(parentDir);
FileUtils.copyDirectory(parentDir, childDir);
assertEquals(expectedCount, LIST_WALKER.list(grandParentDir).size());
assertEquals(expectedSize, FileUtils.sizeOfDirectory(grandParentDir));
}
/** Test for IO-141 */
public void testCopyDirectoryToGrandChild() throws Exception {
File grandParentDir = new File(getTestDirectory(), "grandparent");
File parentDir = new File(grandParentDir, "parent");
File childDir = new File(parentDir, "child");
createFilesForTestCopyDirectory(grandParentDir, parentDir, childDir);
long expectedCount = (LIST_WALKER.list(grandParentDir).size() * 2);
long expectedSize = (FileUtils.sizeOfDirectory(grandParentDir) * 2);
FileUtils.copyDirectory(grandParentDir, childDir);
assertEquals(expectedCount, LIST_WALKER.list(grandParentDir).size());
assertEquals(expectedSize, FileUtils.sizeOfDirectory(grandParentDir));
}
/** Test for IO-217 FileUtils.copyDirectoryToDirectory makes infinite loops */
public void testCopyDirectoryToItself() throws Exception {
File dir = new File(getTestDirectory(), "itself");
dir.mkdirs();
FileUtils.copyDirectoryToDirectory(dir, dir);
assertEquals(1, LIST_WALKER.list(dir).size());
}
private void createFilesForTestCopyDirectory(File grandParentDir, File parentDir, File childDir) throws Exception {
File childDir2 = new File(parentDir, "child2");
File grandChildDir = new File(childDir, "grandChild");
File grandChild2Dir = new File(childDir2, "grandChild2");
File file1 = new File(grandParentDir, "file1.txt");
File file2 = new File(parentDir, "file2.txt");
File file3 = new File(childDir, "file3.txt");
File file4 = new File(childDir2, "file4.txt");
File file5 = new File(grandChildDir, "file5.txt");
File file6 = new File(grandChild2Dir, "file6.txt");
FileUtils.deleteDirectory(grandParentDir);
grandChildDir.mkdirs();
grandChild2Dir.mkdirs();
FileUtils.writeStringToFile(file1, "File 1 in grandparent", "UTF8");
FileUtils.writeStringToFile(file2, "File 2 in parent", "UTF8");
FileUtils.writeStringToFile(file3, "File 3 in child", "UTF8");
FileUtils.writeStringToFile(file4, "File 4 in child2", "UTF8");
FileUtils.writeStringToFile(file5, "File 5 in grandChild", "UTF8");
FileUtils.writeStringToFile(file6, "File 6 in grandChild2", "UTF8");
}
public void testCopyDirectoryErrors() throws Exception {
try {
FileUtils.copyDirectory(null, null);
fail();
} catch (NullPointerException ex) {}
try {
FileUtils.copyDirectory(new File("a"), null);
fail();
} catch (NullPointerException ex) {}
try {
FileUtils.copyDirectory(null, new File("a"));
fail();
} catch (NullPointerException ex) {}
try {
FileUtils.copyDirectory(new File("doesnt-exist"), new File("a"));
fail();
} catch (IOException ex) {}
try {
FileUtils.copyDirectory(testFile1, new File("a"));
fail();
} catch (IOException ex) {}
try {
FileUtils.copyDirectory(getTestDirectory(), testFile1);
fail();
} catch (IOException ex) {}
try {
FileUtils.copyDirectory(getTestDirectory(), getTestDirectory());
fail();
} catch (IOException ex) {}
}
// forceDelete
public void testForceDeleteAFile1() throws Exception {
File destination = new File(getTestDirectory(), "copy1.txt");
destination.createNewFile();
assertTrue("Copy1.txt doesn't exist to delete", destination.exists());
FileUtils.forceDelete(destination);
assertTrue("Check No Exist", !destination.exists());
}
public void testForceDeleteAFile2() throws Exception {
File destination = new File(getTestDirectory(), "copy2.txt");
destination.createNewFile();
assertTrue("Copy2.txt doesn't exist to delete", destination.exists());
FileUtils.forceDelete(destination);
assertTrue("Check No Exist", !destination.exists());
}
public void testForceDeleteAFile3() throws Exception {
File destination = new File(getTestDirectory(), "no_such_file");
assertTrue("Check No Exist", !destination.exists());
try {
FileUtils.forceDelete(destination);
fail("Should generate FileNotFoundException");
} catch (FileNotFoundException ignored){
}
}
// copyFileToDirectory
public void testCopyFile1ToDir() throws Exception {
File directory = new File(getTestDirectory(), "subdir");
if (!directory.exists())
directory.mkdirs();
File destination = new File(directory, testFile1.getName());
//Thread.sleep(LAST_MODIFIED_DELAY);
//This is to slow things down so we can catch if
//the lastModified date is not ok
FileUtils.copyFileToDirectory(testFile1, directory);
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", testFile1Size, destination.length());
/* disabled: Thread.sleep doesn't work reliantly for this case
assertTrue("Check last modified date preserved",
testFile1.lastModified() == destination.lastModified());*/
try {
FileUtils.copyFileToDirectory(destination, directory);
fail("Should not be able to copy a file into the same directory as itself");
} catch (IOException ioe) {
//we want that, cannot copy to the same directory as the original file
}
}
public void testCopyFile2ToDir() throws Exception {
File directory = new File(getTestDirectory(), "subdir");
if (!directory.exists())
directory.mkdirs();
File destination = new File(directory, testFile1.getName());
//Thread.sleep(LAST_MODIFIED_DELAY);
//This is to slow things down so we can catch if
//the lastModified date is not ok
FileUtils.copyFileToDirectory(testFile1, directory);
assertTrue("Check Exist", destination.exists());
assertEquals("Check Full copy", testFile2Size, destination.length());
/* disabled: Thread.sleep doesn't work reliantly for this case
assertTrue("Check last modified date preserved",
testFile1.lastModified() == destination.lastModified());*/
}
// forceDelete
public void testForceDeleteDir() throws Exception {
File testDirectory = getTestDirectory();
FileUtils.forceDelete(testDirectory.getParentFile());
assertTrue(
"Check No Exist",
!testDirectory.getParentFile().exists());
}
/**
* Test the FileUtils implementation.
*/
public void testFileUtils() throws Exception {
// Loads file from classpath
File file1 = new File(getTestDirectory(), "test.txt");
String filename = file1.getAbsolutePath();
//Create test file on-the-fly (used to be in CVS)
OutputStream out = new java.io.FileOutputStream(file1);
try {
out.write("This is a test".getBytes("UTF-8"));
} finally {
out.close();
}
File file2 = new File(getTestDirectory(), "test2.txt");
FileUtils.writeStringToFile(file2, filename, "UTF-8");
assertTrue(file2.exists());
assertTrue(file2.length() > 0);
String file2contents = FileUtils.readFileToString(file2, "UTF-8");
assertTrue(
"Second file's contents correct",
filename.equals(file2contents));
assertTrue(file2.delete());
String contents = FileUtils.readFileToString(new File(filename), "UTF-8");
assertTrue("FileUtils.fileRead()", contents.equals("This is a test"));
}
public void testTouch() throws IOException {
File file = new File(getTestDirectory(), "touch.txt") ;
if (file.exists()) {
file.delete();
}
assertTrue("Bad test: test file still exists", !file.exists());
FileUtils.touch(file);
assertTrue("FileUtils.touch() created file", file.exists());
FileOutputStream out = new FileOutputStream(file) ;
assertEquals("Created empty file.", 0, file.length());
out.write(0) ;
out.close();
assertEquals("Wrote one byte to file", 1, file.length());
long y2k = new GregorianCalendar(2000, 0, 1).getTime().getTime();
boolean res = file.setLastModified(y2k); // 0L fails on Win98
assertEquals("Bad test: set lastModified failed", true, res);
assertEquals("Bad test: set lastModified set incorrect value", y2k, file.lastModified());
long now = System.currentTimeMillis();
FileUtils.touch(file) ;
assertEquals("FileUtils.touch() didn't empty the file.", 1, file.length());
assertEquals("FileUtils.touch() changed lastModified", false, y2k == file.lastModified());
assertEquals("FileUtils.touch() changed lastModified to more than now-3s", true, file.lastModified() >= (now - 3000));
assertEquals("FileUtils.touch() changed lastModified to less than now+3s", true, file.lastModified() <= (now + 3000));
}
public void testListFiles() throws Exception {
File srcDir = getTestDirectory();
File subDir = new File(srcDir, "list_test" );
subDir.mkdir();
String[] fileNames = {"a.txt", "b.txt", "c.txt", "d.txt", "e.txt", "f.txt"};
int[] fileSizes = {123, 234, 345, 456, 678, 789};
for (int i = 0; i < fileNames.length; ++i) {
File theFile = new File(subDir, fileNames[i]);
createFile(theFile, fileSizes[i]);
}
Collection<File> files = FileUtils.listFiles(subDir,
new WildcardFileFilter("*.*"),
new WildcardFileFilter("*"));
int count = files.size();
Object[] fileObjs = files.toArray();
assertEquals(files.size(), fileNames.length);
Map<String, String> foundFileNames = new HashMap
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