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/*
* 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.examples;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.channels.FileChannel;
import java.nio.channels.SeekableByteChannel;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import org.apache.commons.compress.AbstractTestCase;
import org.apache.commons.compress.archivers.ArchiveEntry;
import org.apache.commons.compress.archivers.ArchiveException;
import org.apache.commons.compress.archivers.StreamingNotSupportedException;
import org.apache.commons.compress.archivers.sevenz.SevenZFile;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class SevenZArchiverTest extends AbstractTestCase {
private File target;
@Before
@Override
public void setUp() throws Exception {
super.setUp();
File c = new File(dir, "a/b/c");
c.mkdirs();
try (OutputStream os = Files.newOutputStream(new File(dir, "a/b/d.txt").toPath())) {
os.write("Hello, world 1".getBytes(StandardCharsets.UTF_8));
}
try (OutputStream os = Files.newOutputStream(new File(dir, "a/b/c/e.txt").toPath())) {
os.write("Hello, world 2".getBytes(StandardCharsets.UTF_8));
}
target = new File(resultDir, "test.7z");
}
@Test
public void fileVersion() throws IOException, ArchiveException {
new Archiver().create("7z", target, dir);
verifyContent();
}
@Test(expected = StreamingNotSupportedException.class)
public void outputStreamVersion() throws IOException, ArchiveException {
try (OutputStream os = Files.newOutputStream(target.toPath())) {
new Archiver().create("7z", os, dir);
}
}
@Test
public void channelVersion() throws IOException, ArchiveException {
try (SeekableByteChannel c = FileChannel.open(target.toPath(), StandardOpenOption.WRITE,
StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
new Archiver().create("7z", c, dir);
}
verifyContent();
}
// not really a 7z test but I didn't feel like adding a new test just for this
@Test(expected = ArchiveException.class)
public void unknownFormat() throws IOException, ArchiveException {
try (SeekableByteChannel c = FileChannel.open(target.toPath(), StandardOpenOption.WRITE,
StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
new Archiver().create("unknown format", c, dir);
}
}
private void verifyContent() throws IOException, ArchiveException {
try (SevenZFile z = new SevenZFile(target)) {
assertDir("a", z.getNextEntry());
assertDir("a/b", z.getNextEntry());
ArchiveEntry n = z.getNextEntry();
Assert.assertNotNull(n);
// File.list may return a/b/c or a/b/d.txt first
if (n.getName().endsWith("/")) {
assertDir("a/b/c", n);
assertHelloWorld("a/b/c/e.txt", "2", z.getNextEntry(), z);
assertHelloWorld("a/b/d.txt", "1", z.getNextEntry(), z);
} else {
assertHelloWorld("a/b/d.txt", "1", n, z);
assertDir("a/b/c", z.getNextEntry());
assertHelloWorld("a/b/c/e.txt", "2", z.getNextEntry(), z);
}
}
}
private void assertDir(String expectedName, ArchiveEntry entry) {
Assert.assertNotNull(expectedName + " does not exists", entry);
Assert.assertEquals(expectedName + "/", entry.getName());
Assert.assertTrue(expectedName + " is not a directory", entry.isDirectory());
}
private void assertHelloWorld(String expectedName, String suffix, ArchiveEntry entry, SevenZFile z)
throws IOException {
Assert.assertNotNull(expectedName + " does not exists", entry);
Assert.assertEquals(expectedName, entry.getName());
Assert.assertFalse(expectedName + " is a directory", entry.isDirectory());
byte[] expected = ("Hello, world " + suffix).getBytes(StandardCharsets.UTF_8);
byte[] actual = new byte[expected.length];
Assert.assertEquals(actual.length, z.read(actual));
Assert.assertEquals(-1, z.read());
Assert.assertArrayEquals(expected, actual);
}
}
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