| /* |
| * 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.qpid.jms; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import javax.jms.Connection; |
| |
| import org.apache.qpid.jms.support.AmqpTestSupport; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test for creation of several open connections in a series of randomly |
| * sized batches over time. |
| */ |
| public class JmsConnectionInRandomBatchesTest extends AmqpTestSupport { |
| |
| private final List<Connection> batch = new ArrayList<Connection>(); |
| private final Random batchSizeGenerator = new Random(); |
| |
| private final int RANDOM_SIZE_MARKER = -1; |
| private final int MAX_BATCH_SIZE = 20; |
| private final int MAX_BATCH_ITERATIONS = 10; |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| batchSizeGenerator.setSeed(System.nanoTime()); |
| super.setUp(); |
| } |
| |
| @Override |
| @After |
| public void tearDown() throws Exception { |
| doCloseConnectionBatch(); |
| super.tearDown(); |
| } |
| |
| @Test(timeout = 60 * 1000) |
| public void testSingleBatch() throws Exception { |
| doCreateConnectionBatch(MAX_BATCH_SIZE); |
| } |
| |
| @Test(timeout = 60 * 1000) |
| public void testCreateManyBatches() throws Exception { |
| doCreateConnectionInBatches(MAX_BATCH_ITERATIONS, MAX_BATCH_SIZE); |
| } |
| |
| @Test(timeout = 60 * 1000) |
| public void testCreateRandomSizedBatches() throws Exception { |
| doCreateConnectionInBatches(MAX_BATCH_ITERATIONS, RANDOM_SIZE_MARKER); |
| } |
| |
| private void doCreateConnectionInBatches(int count, int size) throws Exception { |
| for (int i = 0; i < count; ++i) { |
| if (size != RANDOM_SIZE_MARKER) { |
| doCreateConnectionBatch(size); |
| } else { |
| doCreateConnectionBatch(getNextBatchSize()); |
| } |
| doCloseConnectionBatch(); |
| } |
| } |
| |
| private void doCreateConnectionBatch(int size) throws Exception { |
| for (int i = 0; i < size; ++i) { |
| batch.add(createAmqpConnection()); |
| batch.get(i).start(); |
| } |
| } |
| |
| private void doCloseConnectionBatch() { |
| for (Connection connection : batch) { |
| try { |
| connection.close(); |
| } catch (Exception ex) { |
| } |
| } |
| |
| batch.clear(); |
| } |
| |
| private int getNextBatchSize() { |
| return batchSizeGenerator.nextInt(MAX_BATCH_SIZE) + 1; |
| } |
| } |