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/*******************************************************************************
* Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.agent;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.junit.After;
import org.junit.Test;
/**
* Unit tests for {@link AgentJar}.
*/
public class AgentJarTest {
private File file;
@After
public void teardown() {
if (file != null) {
file.delete();
}
}
@Test
public void testGetResource() throws IOException {
final InputStream in = AgentJar.getResource().openStream();
assertAgentContents(in);
}
@Test
public void testGetResourceAsStream() throws IOException {
final InputStream in = AgentJar.getResourceAsStream();
assertAgentContents(in);
}
@Test
public void testExtractTo() throws IOException {
file = File.createTempFile("agent", ".jar");
AgentJar.extractTo(file);
assertAgentContents(new FileInputStream(file));
}
@Test(expected = IOException.class)
public void testExtractToNegative() throws IOException {
file = File.createTempFile("folder", null);
file.delete();
file.mkdirs();
AgentJar.extractTo(file);
}
@Test
public void testExtractToTempLocation() throws IOException {
file = AgentJar.extractToTempLocation();
assertAgentContents(new FileInputStream(file));
file.delete();
}
private void assertAgentContents(InputStream in) throws IOException {
final ZipInputStream zip = new ZipInputStream(in);
while (true) {
final ZipEntry entry = zip.getNextEntry();
assertNotNull("Manifest not found.", entry);
if ("META-INF/MANIFEST.MF".equals(entry.getName())) {
final Manifest manifest = new Manifest(zip);
assertEquals("JaCoCo Java Agent", manifest.getMainAttributes()
.getValue("Implementation-Title"));
in.close();
break;
}
}
}
}
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