/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.activemq.transport.vm;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.URI;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.jms.JMSException;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerRegistry;
import org.apache.activemq.broker.BrokerService;
import org.junit.After;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class VMTransportWaitForTest {
static final Logger LOG = LoggerFactory.getLogger(VMTransportWaitForTest.class);
private static final int WAIT_TIME = 20000;
private static final int SHORT_WAIT_TIME = 5000;
private static final String VM_BROKER_URI_NO_WAIT =
"vm://localhost?broker.persistent=false&create=false";
private static final String VM_BROKER_URI_WAIT_FOR_START =
VM_BROKER_URI_NO_WAIT + "&waitForStart=" + WAIT_TIME;
private static final String VM_BROKER_URI_SHORT_WAIT_FOR_START =
VM_BROKER_URI_NO_WAIT + "&waitForStart=" + SHORT_WAIT_TIME;
CountDownLatch started = new CountDownLatch(1);
CountDownLatch gotConnection = new CountDownLatch(1);
@After
public void after() throws IOException {
BrokerRegistry.getInstance().unbind("localhost");
}
@Test(timeout=90000)
public void testWaitFor() throws Exception {
try {
ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_NO_WAIT));
cf.createConnection();
fail("expect broker not exist exception");
} catch (JMSException expectedOnNoBrokerAndNoCreate) {
}
// spawn a thread that will wait for an embedded broker to start via
// vm://..
Thread t = new Thread("ClientConnectionThread") {
@Override
public void run() {
try {
started.countDown();
ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_WAIT_FOR_START));
cf.createConnection();
gotConnection.countDown();
} catch (Exception e) {
e.printStackTrace();
fail("unexpected exception: " + e);
}
}
};
t.start();
started.await(20, TimeUnit.SECONDS);
Thread.yield();
assertFalse("has not got connection", gotConnection.await(2, TimeUnit.SECONDS));
BrokerService broker = new BrokerService();
broker.setPersistent(false);
broker.start();
assertTrue("has got connection", gotConnection.await(5, TimeUnit.SECONDS));
broker.stop();
}
@Test(timeout=90000)
public void testWaitForNoBrokerInRegistry() throws Exception {
long startTime = System.currentTimeMillis();
try {
ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_SHORT_WAIT_FOR_START));
cf.createConnection();
fail("expect broker not exist exception");
} catch (JMSException expectedOnNoBrokerAndNoCreate) {
}
long endTime = System.currentTimeMillis();
LOG.info("Total wait time was: {}", endTime - startTime);
assertTrue(endTime - startTime >= SHORT_WAIT_TIME - 100);
}
@Test(timeout=90000)
public void testWaitForNotStartedButInRegistry() throws Exception {
BrokerService broker = new BrokerService();
broker.setPersistent(false);
BrokerRegistry.getInstance().bind("localhost", broker);
long startTime = System.currentTimeMillis();
try {
ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_SHORT_WAIT_FOR_START));
cf.createConnection();
fail("expect broker not exist exception");
} catch (JMSException expectedOnNoBrokerAndNoCreate) {
}
long endTime = System.currentTimeMillis();
LOG.info("Total wait time was: {}", endTime - startTime);
assertTrue(endTime - startTime >= SHORT_WAIT_TIME - 100);
}
}