/*
* Copyright 2002-2010 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.springframework.integration.samples.tcpclientserver;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.core.task.TaskExecutor;
import org.springframework.integration.ip.tcp.connection.AbstractServerConnectionFactory;
import org.springframework.integration.ip.util.TestingUtilities;
import org.springframework.integration.samples.tcpclientserver.support.CustomTestContextLoader;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* Demonstrates the use of a gateway as an entry point into the integration flow,
* with two pairs of collaborating channel adapters (client and server), which
* enables multiplexing multiple messages over the same connection.
*
* Requires correlation data in the payload.
*
* @author Gary Russell
* @since 2.1
*
*/
@ContextConfiguration(loader=CustomTestContextLoader.class, locations={"/META-INF/spring/integration/tcpClientServerDemo-conversion-context.xml"})
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class TcpClientServerDemoTest {
@Autowired
SimpleGateway gw;
@Autowired
AbstractServerConnectionFactory crLfServer;
@Before
public void setup() {
TestingUtilities.waitListening(this.crLfServer, 10000L);
}
@Test
public void testHappyDay() {
String result = gw.send("999Hello world!"); // first 3 bytes is correlationid
assertEquals("999Hello world!:echo", result);
}
@Test
public void testMultiPlex() throws Exception {
TaskExecutor executor = new SimpleAsyncTaskExecutor();
final CountDownLatch latch = new CountDownLatch(100);
final Set<Integer> results = new HashSet<Integer>();
for (int i = 100; i < 200; i++) {
results.add(i);
final int j = i;
executor.execute(new Runnable() {
public void run() {
String result = gw.send(j + "Hello world!"); // first 3 bytes is correlationid
assertEquals(j + "Hello world!:echo", result);
results.remove(j);
latch.countDown();
}});
}
assertTrue(latch.await(10, TimeUnit.SECONDS));
assertEquals(0, results.size());
}
}