/**
* 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.broker.region.cursors;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.QueueMessageReference;
import org.apache.activemq.store.PList;
import org.apache.activemq.usage.SystemUsage;
import org.apache.activemq.util.ByteSequence;
import org.junit.After;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class FilePendingMessageCursorTestSupport {
protected static final Logger LOG = LoggerFactory.getLogger(FilePendingMessageCursorTestSupport.class);
protected BrokerService brokerService;
protected FilePendingMessageCursor underTest;
@After
public void stopBroker() throws Exception {
if (brokerService != null) {
brokerService.getTempDataStore().stop();
}
}
private void createBrokerWithTempStoreLimit() throws Exception {
brokerService = new BrokerService();
brokerService.setUseJmx(false);
SystemUsage usage = brokerService.getSystemUsage();
usage.getTempUsage().setLimit(1025*1024*15);
// put something in the temp store to on demand initialise it
PList dud = brokerService.getTempDataStore().getPList("dud");
dud.addFirst("A", new ByteSequence("A".getBytes()));
}
@Test
public void testAddToEmptyCursorWhenTempStoreIsFull() throws Exception {
createBrokerWithTempStoreLimit();
SystemUsage usage = brokerService.getSystemUsage();
assertTrue("temp store is full: %" + usage.getTempUsage().getPercentUsage(), usage.getTempUsage().isFull());
underTest = new FilePendingMessageCursor(brokerService.getBroker(), "test", false);
underTest.setSystemUsage(usage);
// ok to add
underTest.addMessageLast(QueueMessageReference.NULL_MESSAGE);
assertFalse("cursor is not full", underTest.isFull());
}
@Test
public void testResetClearsIterator() throws Exception {
createBrokerWithTempStoreLimit();
underTest = new FilePendingMessageCursor(brokerService.getBroker(), "test", false);
// ok to add
underTest.addMessageLast(QueueMessageReference.NULL_MESSAGE);
underTest.reset();
underTest.release();
try {
underTest.hasNext();
fail("expect npe on use of iterator after release");
} catch (NullPointerException expected) {}
}
}