/*
* COMSAT
* Copyright (C) 2014, Parallel Universe Software Co. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 3.0
* as published by the Free Software Foundation.
*/
package co.paralleluniverse.fibers.ws.rs.client;
import co.paralleluniverse.concurrent.util.ThreadUtil;
import co.paralleluniverse.embedded.containers.EmbeddedServer;
import co.paralleluniverse.embedded.containers.JettyServer;
import co.paralleluniverse.fibers.Fiber;
import co.paralleluniverse.fibers.SuspendExecution;
import co.paralleluniverse.fibers.ws.rs.client.AsyncClientBuilder;
import co.paralleluniverse.strands.SuspendableRunnable;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.client.Client;
import org.junit.After;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class AsyncClientBuilderTest {
@Parameterized.Parameters(name = "{0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][]{
{JettyServer.class},});
}
private final Class<? extends EmbeddedServer> cls;
private EmbeddedServer server;
public AsyncClientBuilderTest(Class<? extends EmbeddedServer> cls) {
this.cls = cls;
}
@Before
public void setUp() throws Exception {
this.server = cls.newInstance();
server.addServlet("test", TestServlet.class, "/");
server.start();
}
@After
public void tearDown() throws Exception {
server.stop();
}
@Test
public void testConcurrency() throws IOException, InterruptedException, Exception {
final int concurrencyLevel = 40;
// snippet client creation
final Client client = AsyncClientBuilder.newBuilder().build();
// end of snippet
final CountDownLatch cdl = new CountDownLatch(concurrencyLevel);
for (int i = 0; i < concurrencyLevel; i++)
new Fiber<Void>(new SuspendableRunnable() {
@Override
public void run() throws SuspendExecution, InterruptedException {
// snippet http call
String response = client.target("http://localhost:8080").request().get(String.class);
// end of snippet
assertEquals("testGet", response);
System.out.println("done "+cdl.getCount());
cdl.countDown();
}
}).start();
cdl.await(4000, TimeUnit.MILLISECONDS);
assertEquals(0, cdl.getCount());
ThreadUtil.dumpThreads();
}
public static class TestServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
try (PrintWriter out = resp.getWriter()) {
Thread.sleep(300);
out.print("testGet");
} catch (InterruptedException ex) {
}
}
}
}