/*
* Copyright 2009-2011 the original author or authors.
*
* Licensed 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.cloudfoundry.client.lib.io;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.cloudfoundry.client.lib.io.DynamicZipInputStream.Entry;
import org.junit.Test;
import org.springframework.util.FileCopyUtils;
/**
* Tests for {@link DynamicZipInputStream}.
*
* @author Phillip Webb
*/
public class DynamicZipInputStreamTest {
private static final SecureRandom RANDOM = new SecureRandom();
@Test
public void shouldCreateValidZipContent() throws Exception {
byte[] f1 = newRandomBytes(10000);
byte[] f2 = newRandomBytes(10000);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ZipOutputStream zipOutputStream = new ZipOutputStream(bos);
zipOutputStream.putNextEntry(new ZipEntry("a/b/c"));
zipOutputStream.write(f1);
zipOutputStream.closeEntry();
zipOutputStream.putNextEntry(new ZipEntry("a/b/c/d/"));
zipOutputStream.closeEntry();
zipOutputStream.putNextEntry(new ZipEntry("d/e/f"));
zipOutputStream.write(f2);
zipOutputStream.closeEntry();
zipOutputStream.flush();
zipOutputStream.close();
byte[] expected = bos.toByteArray();
List<DynamicZipInputStream.Entry> entries = new ArrayList<DynamicZipInputStream.Entry>();
entries.add(newEntry("a/b/c", f1));
entries.add(newEntry("a/b/c/d/", null));
entries.add(newEntry("d/e/f", f2));
DynamicZipInputStream inputStream = new DynamicZipInputStream(entries);
bos.reset();
FileCopyUtils.copy(inputStream, bos);
byte[] actual = bos.toByteArray();
assertThat(actual, is(equalTo(expected)));
}
private Entry newEntry(final String name, final byte[] content) {
return new Entry() {
public String getName() {
return name;
}
public InputStream getInputStream() {
if (content == null) {
return null;
}
return new ByteArrayInputStream(content);
}
};
}
private byte[] newRandomBytes(int len) {
byte[] bytes = new byte[len];
RANDOM.nextBytes(bytes);
return bytes;
}
}