| /* |
| * 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.compress.archivers; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.security.NoSuchAlgorithmException; |
| import javax.crypto.Cipher; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.archivers.sevenz.SevenZArchiveEntry; |
| import org.apache.commons.compress.archivers.sevenz.SevenZFile; |
| import org.apache.commons.compress.archivers.sevenz.SevenZMethod; |
| import org.apache.commons.compress.archivers.sevenz.SevenZOutputFile; |
| import org.junit.Assume; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class SevenZTestCase extends AbstractTestCase { |
| |
| private File output; |
| private final File file1, file2; |
| |
| public SevenZTestCase() throws IOException { |
| file1 = getFile("test1.xml"); |
| file2 = getFile("test2.xml"); |
| } |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| output = new File(dir, "bla.7z"); |
| } |
| |
| @Test |
| public void testSevenZArchiveCreationUsingCopy() throws Exception { |
| testSevenZArchiveCreation(SevenZMethod.COPY); |
| } |
| |
| @Test |
| public void testSevenZArchiveCreationUsingLZMA() throws Exception { |
| testSevenZArchiveCreation(SevenZMethod.LZMA); |
| } |
| |
| @Test |
| public void testSevenZArchiveCreationUsingLZMA2() throws Exception { |
| testSevenZArchiveCreation(SevenZMethod.LZMA2); |
| } |
| |
| @Test |
| public void testSevenZArchiveCreationUsingBZIP2() throws Exception { |
| testSevenZArchiveCreation(SevenZMethod.BZIP2); |
| } |
| |
| @Test |
| public void testSevenZArchiveCreationUsingDeflate() throws Exception { |
| testSevenZArchiveCreation(SevenZMethod.DEFLATE); |
| } |
| |
| private void testSevenZArchiveCreation(final SevenZMethod method) throws Exception { |
| createArchive(method); |
| try (SevenZFile archive = new SevenZFile(output)) { |
| SevenZArchiveEntry entry; |
| |
| entry = archive.getNextEntry(); |
| assert (entry != null); |
| assertEquals(entry.getName(), file1.getName()); |
| |
| entry = archive.getNextEntry(); |
| assert (entry != null); |
| assertEquals(entry.getName(), file2.getName()); |
| |
| assert (archive.getNextEntry() == null); |
| } |
| } |
| |
| private void createArchive(final SevenZMethod method) throws Exception { |
| final SevenZOutputFile outArchive = new SevenZOutputFile(output); |
| outArchive.setContentCompression(method); |
| try { |
| SevenZArchiveEntry entry; |
| |
| entry = outArchive.createArchiveEntry(file1, file1.getName()); |
| outArchive.putArchiveEntry(entry); |
| copy(file1, outArchive); |
| outArchive.closeArchiveEntry(); |
| |
| entry = outArchive.createArchiveEntry(file2, file2.getName()); |
| outArchive.putArchiveEntry(entry); |
| copy(file2, outArchive); |
| outArchive.closeArchiveEntry(); |
| } finally { |
| outArchive.close(); |
| } |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingCopy() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.COPY); |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingLZMA() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.LZMA); |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingLZMA2() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.LZMA2); |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingBZIP2() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.BZIP2); |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingDeflate() throws Exception { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.DEFLATE); |
| } |
| |
| @Test |
| public void singleByteReadConsistentlyReturnsMinusOneAtEofUsingAES() throws Exception { |
| assumeStrongCryptoIsAvailable(); |
| try (SevenZFile archive = new SevenZFile(getFile("bla.encrypted.7z"), "foo".toCharArray())) { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(archive); |
| } |
| } |
| |
| private void singleByteReadConsistentlyReturnsMinusOneAtEof(final SevenZMethod method) throws Exception { |
| createArchive(method); |
| try (SevenZFile archive = new SevenZFile(output)) { |
| singleByteReadConsistentlyReturnsMinusOneAtEof(archive); |
| } |
| } |
| |
| private void singleByteReadConsistentlyReturnsMinusOneAtEof(final SevenZFile archive) throws Exception { |
| SevenZArchiveEntry entry = archive.getNextEntry(); |
| entry = archive.getNextEntry(); |
| readFully(archive); |
| assertEquals(-1, archive.read()); |
| assertEquals(-1, archive.read()); |
| } |
| |
| @Test |
| public void multiByteReadConsistentlyReturnsMinusOneAtEofUsingLZMA() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.LZMA); |
| } |
| |
| @Test |
| public void multiByteReadConsistentlyReturnsMinusOneAtEofUsingLZMA2() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.LZMA2); |
| } |
| |
| @Test |
| public void multiByteReadConsistentlyReturnsMinusOneAtEofUsingBZIP2() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.BZIP2); |
| } |
| |
| @Test |
| public void multiByteReadConsistentlyReturnsMinusOneAtEofUsingDeflate() throws Exception { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(SevenZMethod.DEFLATE); |
| } |
| |
| @Test |
| public void multiByteReadConsistentlyReturnsMinusOneAtEofUsingAES() throws Exception { |
| assumeStrongCryptoIsAvailable(); |
| try (SevenZFile archive = new SevenZFile(getFile("bla.encrypted.7z"), "foo".toCharArray())) { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(archive); |
| } |
| } |
| |
| private void multiByteReadConsistentlyReturnsMinusOneAtEof(final SevenZMethod method) throws Exception { |
| createArchive(method); |
| try (SevenZFile archive = new SevenZFile(output)) { |
| multiByteReadConsistentlyReturnsMinusOneAtEof(archive); |
| } |
| } |
| |
| private void multiByteReadConsistentlyReturnsMinusOneAtEof(final SevenZFile archive) throws Exception { |
| final byte[] buf = new byte[2]; |
| SevenZArchiveEntry entry = archive.getNextEntry(); |
| entry = archive.getNextEntry(); |
| readFully(archive); |
| assertEquals(-1, archive.read(buf)); |
| assertEquals(-1, archive.read(buf)); |
| } |
| |
| private void copy(final File src, final SevenZOutputFile dst) throws IOException { |
| FileInputStream fis = null; |
| try { |
| fis = new FileInputStream(src); |
| final byte[] buffer = new byte[8*1024]; |
| int bytesRead; |
| while ((bytesRead = fis.read(buffer)) >= 0) { |
| dst.write(buffer, 0, bytesRead); |
| } |
| } finally { |
| if (fis != null) { |
| fis.close(); |
| } |
| } |
| } |
| |
| private void readFully(final SevenZFile archive) throws IOException { |
| final byte[] buf = new byte[1024]; |
| int x = 0; |
| while (0 <= (x = archive.read(buf))) { |
| |
| } |
| } |
| |
| private static void assumeStrongCryptoIsAvailable() throws NoSuchAlgorithmException { |
| Assume.assumeTrue("test requires strong crypto", Cipher.getMaxAllowedKeyLength("AES/ECB/PKCS5Padding") >= 256); |
| } |
| } |