Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation * * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.search.util.test; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.security.GeneralSecurityException; import java.util.Random; import junit.framework.TestCase; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.sakaiproject.search.util.FileUtils; /** * @author ieb * */ public class FileUtilsTest extends TestCase { private static final Log log = LogFactory.getLog(FileUtilsTest.class); private File testSpace; /** * @param name */ public FileUtilsTest(String name) { super(name); } /* (non-Javadoc) * @see junit.framework.TestCase#setUp() */ protected void setUp() throws Exception { testSpace = new File("target"); testSpace = new File(testSpace, "FileUtilsTestDir"); testSpace = new File(testSpace, "work"); if (!testSpace.exists()) { if (!testSpace.mkdirs()) { log.warn("setup: failed to create directory"); } } super.setUp(); } /* (non-Javadoc) * @see junit.framework.TestCase#tearDown() */ protected void tearDown() throws Exception { super.tearDown(); //testSpace.delete(); //testSpace.getParentFile().delete(); } /** * Test method for {@link org.sakaiproject.search.util.FileUtils#deleteAll(java.io.File)}. * @throws IOException * @throws Exception */ public final void testDeleteAll() throws Exception { File target = new File(testSpace, "testDeleteAll"); createFiles(target); FileUtils.deleteAll(target); assertEquals("Delete Failed ", false, target.exists()); log.info("Delete Ok On " + target.getAbsolutePath()); } public final void testListAll() throws Exception { File target = new File(testSpace, "testListAll"); createFiles(target); FileUtils.listDirectory(target); FileUtils.deleteAll(target); assertEquals("Delete Failed ", false, target.exists()); log.info("Delete Ok On " + target.getAbsolutePath()); } /** * @param testSpace2 * @throws IOException * @throws GeneralSecurityException */ private void createFiles(File base) throws GeneralSecurityException, IOException { log.info("Create Test Tree " + base.getAbsolutePath()); Random random = new Random(); byte[] buffer = new byte[1024]; for (int i = 0; i < 20; i++) { String name = FileUtils.digest(String.valueOf(System.currentTimeMillis() + i)); File f = base; for (int j = 0; j < name.length(); j++) { f = new File(f, String.valueOf(name.charAt(j))); } if (!f.getParentFile().mkdirs()) { log.warn("createFiles: couldn't create parent files"); } FileOutputStream fw = new FileOutputStream(f); random.nextBytes(buffer); fw.write(buffer); fw.close(); } assertEquals("Failed to create test tree ", true, base.exists()); } private void createFlatFiles(File base) throws GeneralSecurityException, IOException { Random random = new Random(); byte[] buffer = new byte[1024]; log.info("Create Test Tree " + base.getAbsolutePath()); for (int i = 0; i < 20; i++) { String name = FileUtils.digest(String.valueOf(System.currentTimeMillis() + i)); File f = new File(base, name); if (!f.getParentFile().exists()) { if (!f.getParentFile().mkdirs()) { log.warn("createFlatFiles: can't create parent folder for " + f.getParentFile().getPath()); } } FileOutputStream fw = new FileOutputStream(f); random.nextBytes(buffer); fw.write(buffer); fw.close(); } assertEquals("Failed to create test tree ", true, base.exists()); } /** * Test method for {@link org.sakaiproject.search.util.FileUtils#pack(java.io.File, java.io.OutputStream)}. * @throws Exception */ public final void testPack() throws Exception { File target = new File(testSpace, "testPack"); File zipFile = new File(target.getParentFile(), "testPack.zip"); FileUtils.deleteAll(target); FileUtils.deleteAll(zipFile); createFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse/"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, true); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); //FileUtils.deleteAll(target); //FileUtils.deleteAll(zipFile); //assertEquals("Delete Failed of source tree ",false,target.exists()); //assertEquals("Delete Failed of zip file ",false,zipFile.exists()); log.info("Test Pack Ok "); } public final void testPackUncompressed() throws Exception { File target = new File(testSpace, "testPack"); File zipFile = new File(target.getParentFile(), "testPack.zip"); FileUtils.deleteAll(target); FileUtils.deleteAll(zipFile); createFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse/"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, false); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); //FileUtils.deleteAll(target); //FileUtils.deleteAll(zipFile); //assertEquals("Delete Failed of source tree ",false,target.exists()); //assertEquals("Delete Failed of zip file ",false,zipFile.exists()); log.info("Test Pack Ok "); } public final void testPackFlat() throws Exception { File target = new File(testSpace, "testPackFlat"); File zipFile = new File(target.getParentFile(), "testPackFlat.zip"); FileUtils.deleteAll(target); FileUtils.deleteAll(zipFile); createFlatFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, true); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); //FileUtils.deleteAll(target); //FileUtils.deleteAll(zipFile); //assertEquals("Delete Failed of source tree ",false,target.exists()); //assertEquals("Delete Failed of zip file ",false,zipFile.exists()); log.info("Test Pack Ok "); } public final void testPackFlatUncompressed() throws Exception { File target = new File(testSpace, "testPackFlat"); File zipFile = new File(target.getParentFile(), "testPackFlat.zip"); FileUtils.deleteAll(target); FileUtils.deleteAll(zipFile); createFlatFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, false); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); //FileUtils.deleteAll(target); //FileUtils.deleteAll(zipFile); //assertEquals("Delete Failed of source tree ",false,target.exists()); //assertEquals("Delete Failed of zip file ",false,zipFile.exists()); log.info("Test Pack Ok "); } /** * Test method for {@link org.sakaiproject.search.util.FileUtils#unpack(java.io.InputStream, java.io.File)}. * @throws Exception */ public final void testUnpack() throws Exception { File target = new File(testSpace, "testUnpack"); File outtarget = new File(testSpace, "testUnpackOut"); File zipFile = new File(target.getParentFile(), "testUnpack.zip"); createFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, true); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); FileInputStream fin = new FileInputStream(zipFile); log.info("UnPacking From " + zipFile.getAbsolutePath()); log.info("UnPacking Into " + outtarget.getAbsolutePath()); FileUtils.unpack(fin, outtarget); fin.close(); assertEquals("unpack the tree ok ", true, outtarget.exists()); FileUtils.deleteAll(target); FileUtils.deleteAll(outtarget); FileUtils.deleteAll(zipFile); assertEquals("Delete Failed of source tree ", false, target.exists()); assertEquals("Delete Failed of unpacked tree ", false, outtarget.exists()); assertEquals("Delete Failed of zip file ", false, zipFile.exists()); log.info("Test UnPack Ok "); } public final void testUnpackUncompressed() throws Exception { File target = new File(testSpace, "testUnpack"); File outtarget = new File(testSpace, "testUnpackOut"); File zipFile = new File(target.getParentFile(), "testUnpack.zip"); createFiles(target); log.info("Packing From " + target.getAbsolutePath()); log.info("Packing Into " + zipFile.getAbsolutePath()); String basePath = target.getPath(); String replacePath = "somethingelse"; FileOutputStream fout = new FileOutputStream(zipFile); FileUtils.pack(target, basePath, replacePath, fout, false); fout.close(); assertEquals("Packed File Does not exist", true, zipFile.exists()); assertEquals("File Size == 0 ", true, zipFile.length() > 0); FileInputStream fin = new FileInputStream(zipFile); log.info("UnPacking From " + zipFile.getAbsolutePath()); log.info("UnPacking Into " + outtarget.getAbsolutePath()); FileUtils.unpack(fin, outtarget); fin.close(); assertEquals("unpack the tree ok ", true, outtarget.exists()); FileUtils.deleteAll(target); FileUtils.deleteAll(outtarget); FileUtils.deleteAll(zipFile); assertEquals("Delete Failed of source tree ", false, target.exists()); assertEquals("Delete Failed of unpacked tree ", false, outtarget.exists()); assertEquals("Delete Failed of zip file ", false, zipFile.exists()); log.info("Test UnPack Ok "); } }