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ActiveMQServerImplTest.java
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ActiveMQServerImplTest.java
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/*
* 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.artemis.core.server.impl;
import java.lang.ref.WeakReference;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.Assert;
import org.junit.Test;
public class ActiveMQServerImplTest extends ActiveMQTestBase {
@Test
public void testAddingAndStartingExternalComponent() throws Exception {
ActiveMQServer server = createServer(false);
server.start();
EmbeddedServerTest.FakeExternalComponent component = new EmbeddedServerTest.FakeExternalComponent();
server.addExternalComponent(component, true);
Assert.assertTrue(component.isStarted());
Assert.assertTrue(server.getExternalComponents() + " does not contain " + component, server.getExternalComponents().contains(component));
}
@Test
public void testAddingWithoutStartingExternalComponent() throws Exception {
ActiveMQServer server = createServer(false);
server.start();
EmbeddedServerTest.FakeExternalComponent component = new EmbeddedServerTest.FakeExternalComponent();
server.addExternalComponent(component, false);
Assert.assertFalse(component.isStarted());
Assert.assertTrue(server.getExternalComponents() + " does not contain " + component, server.getExternalComponents().contains(component));
}
@Test
public void testCannotAddExternalComponentsIfNotStarting() throws Exception {
ActiveMQServer server = createServer(false);
EmbeddedServerTest.FakeExternalComponent component = new EmbeddedServerTest.FakeExternalComponent();
try {
server.addExternalComponent(component, false);
Assert.fail();
} catch (IllegalStateException ex) {
Assert.assertFalse(component.isStarted());
Assert.assertEquals(0, server.getExternalComponents().size());
}
}
@Test
public void testCannotAddExternalComponentsIfStopped() throws Exception {
ActiveMQServer server = createServer(false);
server.start();
server.stop();
EmbeddedServerTest.FakeExternalComponent component = new EmbeddedServerTest.FakeExternalComponent();
try {
server.addExternalComponent(component, false);
Assert.fail();
} catch (IllegalStateException ex) {
Assert.assertFalse(component.isStarted());
Assert.assertEquals(0, server.getExternalComponents().size());
}
}
@Test
public void testScheduledPoolGC() throws Exception {
ActiveMQServer server = createServer(false);
server.start();
Runnable scheduledRunnable = new Runnable() {
@Override
public void run() {
Assert.fail();
}
};
WeakReference<Runnable> scheduledRunnableRef = new WeakReference<>(scheduledRunnable);
ScheduledExecutorService scheduledPool = server.getScheduledPool();
ScheduledFuture scheduledFuture = scheduledPool.schedule(scheduledRunnable, 5000, TimeUnit.MILLISECONDS);
Assert.assertFalse(scheduledFuture.isCancelled());
Assert.assertTrue(scheduledFuture.cancel(true));
Assert.assertTrue(scheduledFuture.isCancelled());
Assert.assertNotEquals(null, scheduledRunnableRef.get());
scheduledRunnable = null;
forceGC();
Assert.assertEquals(null, scheduledRunnableRef.get());
server.stop();
}
}