| /* |
| * 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; |
| |
| import static org.junit.Assert.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| import org.apache.commons.compress.archivers.ArchiveEntry; |
| import org.apache.commons.compress.archivers.ArchiveException; |
| import org.apache.commons.compress.archivers.ArchiveInputStream; |
| import org.apache.commons.compress.archivers.ArchiveStreamFactory; |
| import org.apache.commons.compress.archivers.ar.ArArchiveInputStream; |
| import org.apache.commons.compress.archivers.arj.ArjArchiveInputStream; |
| import org.apache.commons.compress.archivers.cpio.CpioArchiveInputStream; |
| import org.apache.commons.compress.archivers.tar.TarArchiveInputStream; |
| import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream; |
| import org.junit.jupiter.api.Test; |
| |
| public final class DetectArchiverTest extends AbstractTest { |
| |
| final ClassLoader classLoader = getClass().getClassLoader(); |
| |
| private void checkDetectedType(final String type, final Path path) throws ArchiveException, IOException { |
| try (BufferedInputStream inputStream = new BufferedInputStream(Files.newInputStream(path))) { |
| // SPECIAL case: |
| // For now JAR files are detected as ZIP files. |
| assertEquals(ArchiveStreamFactory.JAR.equals(type) ? ArchiveStreamFactory.ZIP : type, ArchiveStreamFactory.detect(inputStream)); |
| } |
| } |
| |
| private void checkEmptyArchive(final String type) throws Exception { |
| final Path path = createEmptyArchive(type); // will be deleted by tearDown() |
| assertDoesNotThrow(() -> { |
| try (BufferedInputStream inputStream = new BufferedInputStream(Files.newInputStream(path)); |
| ArchiveInputStream<?> ais = factory.createArchiveInputStream(inputStream)) { |
| // empty |
| } |
| }, "Should have recognized empty archive for " + type); |
| checkDetectedType(type, path); |
| } |
| |
| @SuppressWarnings("resource") // Caller closes |
| private <T extends ArchiveInputStream<? extends E>, E extends ArchiveEntry> T createArchiveInputStream(final String resource) |
| throws ArchiveException, IOException { |
| return factory.createArchiveInputStream(createBufferedInputStream(resource)); |
| } |
| |
| private BufferedInputStream createBufferedInputStream(final String resource) throws IOException { |
| return new BufferedInputStream(newInputStream(resource)); |
| } |
| |
| @Test |
| public void testCOMPRESS_117() throws Exception { |
| try (ArchiveInputStream<?> tar = createArchiveInputStream("COMPRESS-117.tar")) { |
| assertNotNull(tar); |
| assertTrue(tar instanceof TarArchiveInputStream); |
| } |
| } |
| |
| @Test |
| public void testCOMPRESS_335() throws Exception { |
| try (ArchiveInputStream<?> tar = createArchiveInputStream("COMPRESS-335.tar")) { |
| assertNotNull(tar); |
| assertTrue(tar instanceof TarArchiveInputStream); |
| } |
| } |
| |
| @Test |
| public void testDetection() throws Exception { |
| |
| try (ArchiveInputStream<?> ar = createArchiveInputStream("bla.ar")) { |
| assertNotNull(ar); |
| assertTrue(ar instanceof ArArchiveInputStream); |
| } |
| |
| try (ArchiveInputStream<?> tar = createArchiveInputStream("bla.tar")) { |
| assertNotNull(tar); |
| assertTrue(tar instanceof TarArchiveInputStream); |
| } |
| |
| try (ArchiveInputStream<?> zip = createArchiveInputStream("bla.zip")) { |
| assertNotNull(zip); |
| assertTrue(zip instanceof ZipArchiveInputStream); |
| } |
| |
| try (ArchiveInputStream<?> jar = createArchiveInputStream("bla.jar")) { |
| assertNotNull(jar); |
| assertTrue(jar instanceof ZipArchiveInputStream); |
| } |
| |
| try (ArchiveInputStream<?> cpio = createArchiveInputStream("bla.cpio")) { |
| assertNotNull(cpio); |
| assertTrue(cpio instanceof CpioArchiveInputStream); |
| } |
| |
| try (ArchiveInputStream<?> arj = createArchiveInputStream("bla.arj")) { |
| assertNotNull(arj); |
| assertTrue(arj instanceof ArjArchiveInputStream); |
| } |
| |
| // Not yet implemented |
| // final ArchiveInputStream<?> tgz = getStreamFor("bla.tgz"); |
| // assertNotNull(tgz); |
| // assertTrue(tgz instanceof TarArchiveInputStream); |
| |
| } |
| |
| @Test |
| public void testDetectionNotArchive() { |
| assertThrows(ArchiveException.class, () -> createArchiveInputStream("test.txt")); |
| } |
| |
| // Check that the empty archives created by the code are readable |
| |
| // Not possible to detect empty "ar" archive as it is completely empty |
| // public void testEmptyArArchive() throws Exception { |
| // emptyArchive("ar"); |
| // } |
| |
| @Test |
| public void testDetectOldTarFormatArchive() throws Exception { |
| try (ArchiveInputStream<?> tar = createArchiveInputStream("COMPRESS-612/test-times-star-folder.tar")) { |
| assertNotNull(tar); |
| assertTrue(tar instanceof TarArchiveInputStream); |
| } |
| } |
| |
| @Test |
| public void testEmptyCpioArchive() throws Exception { |
| checkEmptyArchive("cpio"); |
| } |
| |
| @Test |
| public void testEmptyJarArchive() throws Exception { |
| checkEmptyArchive("jar"); |
| } |
| |
| @Test |
| public void testEmptyTarArchive() throws Exception { |
| // Can't detect empty tar archive from its contents. |
| final Path path = createEmptyArchive("tar"); // will be deleted by tearDown() |
| assertThrows(ArchiveException.class, () -> checkDetectedType("tar", path)); |
| } |
| |
| @Test |
| public void testEmptyZipArchive() throws Exception { |
| checkEmptyArchive("zip"); |
| } |
| |
| /** |
| * Tests COMPRESS-644. |
| */ |
| @Test |
| public void testIgnoreZeroByteEntryInTarDetect() { |
| assertThrows(ArchiveException.class, () -> { |
| try (InputStream in = createBufferedInputStream("org/apache/commons/compress/COMPRESS-644/ARW05UP.ICO")) { |
| assertNull(ArchiveStreamFactory.detect(in)); |
| } |
| }); |
| } |
| } |