/* * 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.messaginghub.pooled.jms; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentLinkedQueue; import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import javax.jms.Connection; import javax.jms.JMSException; import javax.jms.JMSRuntimeException; import javax.jms.QueueConnectionFactory; import javax.jms.Session; import javax.jms.TopicConnectionFactory; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.command.ConnectionId; import org.junit.Test; import org.messaginghub.pooled.jms.util.Wait; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Checks the behavior of the PooledConnectionFactory when the maximum amount of * sessions is being reached. * * Older versions simply block in the call to Connection.getSession(), which * isn't good. An exception being returned is the better option, so JMS clients * don't block. This test succeeds if an exception is returned and fails if the * call to getSession() blocks. */ public class PooledConnectionFactoryTest extends ActiveMQJmsPoolTestSupport { public final static Logger LOG = LoggerFactory.getLogger(PooledConnectionFactoryTest.class); @Test(timeout = 60000) public void testInstanceOf() throws Exception { JmsPoolConnectionFactory pcf = new JmsPoolConnectionFactory(); assertTrue(pcf instanceof QueueConnectionFactory); assertTrue(pcf instanceof TopicConnectionFactory); pcf.stop(); } @Test(timeout = 60000) public void testFailToCreateJMSContext() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); try { cf.createContext(); fail("Should have thrown a JMSRuntimeException"); } catch (JMSRuntimeException jmsre) { LOG.info("Caught Excepted JMSRuntimeException"); } finally { cf.stop(); } } @Test(timeout = 60000) public void testFailToCreateJMSContextWithSessionMode() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); try { cf.createContext(Session.SESSION_TRANSACTED); fail("Should have thrown a JMSRuntimeException"); } catch (JMSRuntimeException jmsre) { LOG.info("Caught Excepted JMSRuntimeException"); } finally { cf.stop(); } } @Test(timeout = 60000) public void testFailToCreateJMSContextWithCredentials() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); try { cf.createContext("user", "pass"); fail("Should have thrown a JMSRuntimeException"); } catch (JMSRuntimeException jmsre) { LOG.info("Caught Excepted JMSRuntimeException"); } finally { cf.stop(); } } @Test(timeout = 60000) public void testFailToCreateJMSContextWithCredentialsAndSessionMode() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); try { cf.createContext("user", "pass", Session.CLIENT_ACKNOWLEDGE); fail("Should have thrown a JMSRuntimeException"); } catch (JMSRuntimeException jmsre) { LOG.info("Caught Excepted JMSRuntimeException"); } finally { cf.stop(); } } @Test(timeout = 60000) public void testClearAllConnections() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(3); try { JmsPoolConnection conn1 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn2 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn3 = (JmsPoolConnection) cf.createConnection(); assertNotSame(conn1.getConnection(), conn2.getConnection()); assertNotSame(conn1.getConnection(), conn3.getConnection()); assertNotSame(conn2.getConnection(), conn3.getConnection()); assertEquals(3, cf.getNumConnections()); cf.clear(); assertEquals(0, cf.getNumConnections()); conn1 = (JmsPoolConnection) cf.createConnection(); conn2 = (JmsPoolConnection) cf.createConnection(); conn3 = (JmsPoolConnection) cf.createConnection(); assertNotSame(conn1.getConnection(), conn2.getConnection()); assertNotSame(conn1.getConnection(), conn3.getConnection()); assertNotSame(conn2.getConnection(), conn3.getConnection()); } finally { cf.stop(); } } @Test(timeout = 60000) public void testMaxConnectionsAreCreated() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(3); try { JmsPoolConnection conn1 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn2 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn3 = (JmsPoolConnection) cf.createConnection(); assertNotSame(conn1.getConnection(), conn2.getConnection()); assertNotSame(conn1.getConnection(), conn3.getConnection()); assertNotSame(conn2.getConnection(), conn3.getConnection()); assertEquals(3, cf.getNumConnections()); } finally { cf.stop(); } } @Test(timeout = 60000) public void testFactoryStopStart() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(1); try { JmsPoolConnection conn1 = (JmsPoolConnection) cf.createConnection(); cf.stop(); assertNull(cf.createConnection()); cf.start(); JmsPoolConnection conn2 = (JmsPoolConnection) cf.createConnection(); assertNotSame(conn1.getConnection(), conn2.getConnection()); assertEquals(1, cf.getNumConnections()); } finally { cf.stop(); } } @Test(timeout = 60000) public void testConnectionsAreRotated() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(10); try { Connection previous = null; // Front load the pool. for (int i = 0; i < 10; ++i) { cf.createConnection(); } for (int i = 0; i < 100; ++i) { Connection current = ((JmsPoolConnection) cf.createConnection()).getConnection(); assertNotSame(previous, current); previous = current; } } finally { cf.stop(); } } @Test(timeout = 60000) public void testConnectionsArePooled() throws Exception { JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(1); try { JmsPoolConnection conn1 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn2 = (JmsPoolConnection) cf.createConnection(); JmsPoolConnection conn3 = (JmsPoolConnection) cf.createConnection(); assertSame(conn1.getConnection(), conn2.getConnection()); assertSame(conn1.getConnection(), conn3.getConnection()); assertSame(conn2.getConnection(), conn3.getConnection()); assertEquals(1, cf.getNumConnections()); } finally { cf.stop(); } } @Test(timeout = 60000) public void testConnectionsArePooledAsyncCreate() throws Exception { final JmsPoolConnectionFactory cf = createPooledConnectionFactory(); cf.setMaxConnections(1); final ConcurrentLinkedQueue<JmsPoolConnection> connections = new ConcurrentLinkedQueue<JmsPoolConnection>(); try { final JmsPoolConnection primary = (JmsPoolConnection) cf.createConnection(); final ExecutorService executor = Executors.newFixedThreadPool(10); final int numConnections = 100; for (int i = 0; i < numConnections; ++i) { executor.execute(new Runnable() { @Override public void run() { try { connections.add((JmsPoolConnection) cf.createConnection()); } catch (JMSException e) { } } }); } assertTrue("All connections should have been created.", Wait.waitFor(new Wait.Condition() { @Override public boolean isSatisfied() throws Exception { return connections.size() == numConnections; } }, TimeUnit.SECONDS.toMillis(10), TimeUnit.MILLISECONDS.toMillis(50))); executor.shutdown(); assertTrue(executor.awaitTermination(5, TimeUnit.SECONDS)); for (JmsPoolConnection connection : connections) { assertSame(primary.getConnection(), connection.getConnection()); } connections.clear(); } finally { cf.stop(); } } @Test(timeout = 60000) public void testConcurrentCreateGetsUniqueConnection() throws Exception { final JmsPoolConnectionFactory cf = createPooledConnectionFactory(); try { final int numConnections = 2; cf.setMaxConnections(numConnections); cf.start(); final ConcurrentMap<ConnectionId, Connection> connections = new ConcurrentHashMap<ConnectionId, Connection>(); final ExecutorService executor = Executors.newFixedThreadPool(numConnections); for (int i = 0; i < numConnections; ++i) { executor.execute(new Runnable() { @Override public void run() { try { JmsPoolConnection pooled = (JmsPoolConnection) cf.createConnection(); ActiveMQConnection amq = (ActiveMQConnection) pooled.getConnection(); connections.put(amq.getConnectionInfo().getConnectionId(), pooled); } catch (JMSException e) { } } }); } executor.shutdown(); assertTrue(executor.awaitTermination(30, TimeUnit.SECONDS)); assertEquals("Should have all unique connections", numConnections, connections.size()); connections.clear(); } finally { cf.stop(); } } }