/**
* Copyright (c) 2012, The National Archives <pronom@nationalarchives.gsi.gov.uk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the The National Archives nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS 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 COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package uk.gov.nationalarchives.droid.core.interfaces.resource;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Date;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import uk.gov.nationalarchives.droid.core.interfaces.RequestIdentifier;
import uk.gov.nationalarchives.droid.core.interfaces.archive.ArchiveFileUtils;
public class TarEntryIdentificationRequestTest {
private static File tmpDir;
private TarEntryIdentificationRequest tarResource;
private String fileName;
private TarArchiveInputStream in;
private String entryName;
private long size;
private Date modTime;
private RequestMetaData metaData;
private RequestIdentifier identifier;
@BeforeClass
public static void createTmpFileDirectory() {
tmpDir = new File("tmp");
tmpDir.mkdir();
}
@AfterClass
public static void removeTmpDir() {
FileUtils.deleteQuietly(tmpDir);
}
@Before
public void setup() throws Exception {
fileName = getClass().getResource("/saved.tar").getFile();
in = new TarArchiveInputStream(new FileInputStream(fileName));
TarArchiveEntry entry;
while ((entry = in.getNextTarEntry()) != null) {
entryName = entry.getName();
if ("saved/profile.xml".equals(entryName)) {
size = entry.getSize();
modTime = entry.getModTime();
metaData = new RequestMetaData(modTime.getTime(), size, "profile.xml");
identifier = new RequestIdentifier(ArchiveFileUtils.toTarUri(new File(fileName).toURI(), entryName));
break;
}
}
tarResource = new TarEntryIdentificationRequest(metaData, identifier, 3, 5, tmpDir);
tarResource.open(in);
}
@After
public void tearDown() throws IOException {
in.close();
tarResource.close();
}
@Test
public void testTwoArgContructor() throws IOException {
tarResource = new TarEntryIdentificationRequest(metaData, identifier, tmpDir);
tarResource.open(in);
//assertEquals(1, tarResource.getCache().getBuffers().size());
assertNull(tarResource.getCache().getSourceFile());
}
@Test
public void testGetSize() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
byte[] expectedBytes = expected.getBytes();
assertEquals(size, tarResource.size());
assertEquals(expectedBytes.length, tarResource.size());
}
@Test
public void testGetEveryByteSequencially() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
int resourceSize = (int) tarResource.size();
byte[] bin = new byte[resourceSize];
int i;
for (i = 0; i < size; i++) {
bin[i] = tarResource.getByte(i);
}
//assertEquals(3, tarResource.getCache().getBuffers().size());
assertEquals(expected, new String(bin));
try {
tarResource.getByte(i);
//fail("Expected IndexOutOfBoundsException.");
} catch (IndexOutOfBoundsException e) {
//assertEquals("No byte at position [" + i + "]", e.getMessage());
}
}
@Test
public void testGetByte3FollowedByByte42() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
assertEquals(expected.getBytes()[3], tarResource.getByte(3));
assertEquals(expected.getBytes()[42], tarResource.getByte(42));
//assertEquals(2, tarResource.getCache().getBuffers().size());
}
@Test
public void testGetByte42FollowedByByte3() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
assertEquals(expected.getBytes()[42], tarResource.getByte(42));
assertEquals(expected.getBytes()[3], tarResource.getByte(3));
//assertEquals(2, tarResource.getCache().getBuffers().size());
}
@Test
public void testGetByte42FollowedByByte49() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
assertEquals(expected.getBytes()[42], tarResource.getByte(42));
try {
tarResource.getByte(49);
//fail("Expected IndexOutOfBoundsException.");
} catch (IndexOutOfBoundsException e) {
//assertEquals("No byte at position [49]", e.getMessage());
}
//assertEquals(3, tarResource.getCache().getBuffers().size());
}
@Test
public void testGetByte42FollowedByByte10000() {
String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><profiles/>";
assertEquals(expected.getBytes()[42], tarResource.getByte(42));
try {
tarResource.getByte(10000);
//fail("Expected IndexOutOfBoundsException.");
} catch (IndexOutOfBoundsException e) {
//assertEquals("No byte at position [10000]", e.getMessage());
}
}
@Test
public void testGetExtension() {
assertEquals(identifier, tarResource.getIdentifier());
assertEquals("xml", tarResource.getExtension());
assertEquals("profile.xml", tarResource.getFileName());
assertEquals("tar:" + new File(fileName).toURI() + "!/saved/profile.xml",
tarResource.getIdentifier().getUri().toString());
assertEquals(metaData, tarResource.getRequestMetaData());
}
@Test
public void testCloseDeletesTheBinaryCacheFile() throws IOException {
assertTrue(tarResource.getTempFile().exists());
tarResource.close();
//assertFalse(tarResource.getTempFile().exists());
assertTrue(tarResource.getTempFile() == null);
}
}