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/*******************************************************************************
* Copyright (c) 2009, 2016 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ua.tests.help.webapp;
import static org.junit.Assert.fail;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import org.eclipse.help.internal.server.WebappManager;
import org.junit.Assert;
import org.junit.Test;
/**
* Test to see if the help server is interruptable
*/
public class HelpServerInterrupt {
private static boolean enableTimeout = true;
private int iterations;
private int sleepTime = 10;
private class ServerStarter extends Thread {
private Exception exception = null;
@Override
public synchronized void run() {
try {
WebappManager.start("help");
} catch (Exception e) {
exception = e;
}
}
public Exception getException() {
return exception;
}
}
@Test
public void testServerWithoutInterrupt() throws Exception {
WebappManager.stop("help");
startServerWithoutInterrupt();
checkServer();
WebappManager.stop("help");
}
@Test
public void testServerWithInterrupt() throws Exception {
WebappManager.stop("help");
startServerWithInterrupt();
checkServer();
WebappManager.stop("help");
}
private void startServerWithoutInterrupt() throws Exception {
ServerStarter starter = new ServerStarter();
starter.start();
// Now wait for the thread to complete
iterations = 0;
do {
iterations++;
if (enableTimeout && sleepTime * iterations > 10000) {
fail("Test did not complete within 10 seconds");
}
Thread.sleep(sleepTime);
} while (starter.isAlive());
Exception exception = starter.getException();
if (exception != null) {
throw exception;
}
}
private void startServerWithInterrupt() throws Exception {
ServerStarter starter = new ServerStarter();
starter.start();
// Now wait for the thread to complete
iterations = 0;
do {
iterations++;
if (enableTimeout && sleepTime * iterations > 10000) {
fail("Test did not complete within 10 seconds");
}
starter.interrupt();
Thread.sleep(sleepTime);
} while (starter.isAlive());
Exception exception = starter.getException();
if (exception != null) {
throw exception;
}
}
private void checkServer() throws Exception {
long start = System.currentTimeMillis();
try {
int port = WebappManager.getPort();
URL url = new URL("http", "localhost", port, "/help/index.jsp");
URLConnection connection = url.openConnection();
setTimeout(connection, 5000);
try (InputStream input = connection.getInputStream()) {
int firstbyte = input.read();
Assert.assertTrue(firstbyte > 0);
}
} catch (Exception e) {
long elapsed = System.currentTimeMillis() - start;
System.out.println("Fail, milliseconds = " + elapsed);
throw e;
}
}
private static void setTimeout(URLConnection conn, int milliseconds) {
conn.setConnectTimeout(milliseconds);
conn.setReadTimeout(milliseconds);
}
}
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