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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2009 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* Sonar is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Sonar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.api.utils;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.net.URLClassLoader;
import java.util.List;
import java.util.jar.Attributes;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.internal.matchers.IsCollectionContaining.hasItem;
import static org.junit.matchers.JUnitMatchers.hasItems;
public class ManifestUtilsTest {
@Rule
public TemporaryFolder tempDir = new TemporaryFolder();
@Test
public void emptyManifest() throws Exception {
Manifest mf = new Manifest();
File jar = createJar(mf, "emptyManifest.jar");
URLClassLoader classloader = new URLClassLoader(FileUtils.toURLs(new File[]{jar}));
assertThat(ManifestUtils.getPropertyValues(classloader, "foo").size(), is(0));
}
@Test
public void singleManifest() throws Exception {
Manifest mf = new Manifest();
mf.getMainAttributes().putValue("foo", "bar");
mf.getMainAttributes().putValue("other", "value");
File jar = createJar(mf, "singleManifest.jar");
URLClassLoader classloader = new URLClassLoader(FileUtils.toURLs(new File[]{jar}));
List<String> values = ManifestUtils.getPropertyValues(classloader, "foo");
assertThat(values.size(), is(1));
assertThat(values, hasItem("bar"));
}
@Test
public void manyManifests() throws Exception {
Manifest mf1 = new Manifest();
mf1.getMainAttributes().putValue("foo", "bar");
File jar1 = createJar(mf1, "manyManifests-one.jar");
Manifest mf2 = new Manifest();
mf2.getMainAttributes().putValue("foo", "otherbar");
File jar2 = createJar(mf2, "manyManifests-two.jar");
URLClassLoader classloader = new URLClassLoader(FileUtils.toURLs(new File[]{jar1, jar2}));
List<String> values = ManifestUtils.getPropertyValues(classloader, "foo");
assertThat(values.size(), is(2));
assertThat(values, hasItems("bar", "otherbar"));
}
private File createJar(Manifest mf, String name) throws Exception {
mf.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
File file = tempDir.newFile(name);
OutputStream out = new JarOutputStream(new FileOutputStream(file), mf);
out.flush();
IOUtils.closeQuietly(out);
return file;
}
}
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