/*
* 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.usergrid.persistence.qakka.serialization.queuemessages;
import com.datastax.driver.core.DataType;
import com.datastax.driver.core.ProtocolVersion;
import com.google.inject.Injector;
import org.apache.commons.lang.RandomStringUtils;
import org.apache.usergrid.persistence.qakka.AbstractTest;
import org.apache.usergrid.persistence.qakka.core.QakkaUtils;
import org.apache.usergrid.persistence.qakka.serialization.sharding.Shard;
import org.apache.usergrid.persistence.qakka.serialization.sharding.ShardSerialization;
import org.junit.Test;
import java.io.*;
import java.nio.ByteBuffer;
import java.util.UUID;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
public class DatabaseQueueMessageSerializationTest extends AbstractTest {
static class ThingToSave implements Serializable {
String value;
}
@Test
public void writeNewMessage(){
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("test", "region1", Shard.Type.DEFAULT, 100L, null);
DatabaseQueueMessage message1 = new DatabaseQueueMessage(QakkaUtils.getTimeUuid(),
DatabaseQueueMessage.Type.DEFAULT, "test", "region1",
shard1.getShardId(), System.currentTimeMillis(), null, null);
UUID queueMessageId = queueMessageSerialization.writeMessage(message1);
}
@Test
public void deleteMessage(){
Injector injector = getInjector();
QueueMessageSerialization queueMessageSerialization =
injector.getInstance( QueueMessageSerialization.class );
ShardSerialization shardSerialization =
injector.getInstance( ShardSerialization.class );
String queueName = "dqmst_queue_" + RandomStringUtils.randomAlphanumeric( 20 );
String region = "dummy_region";
Shard shard1 = new Shard(queueName, region, Shard.Type.DEFAULT, 1L, null);
shardSerialization.createShard( shard1 );
UUID messageId = QakkaUtils.getTimeUuid();
DatabaseQueueMessage message = new DatabaseQueueMessage(
messageId,
DatabaseQueueMessage.Type.DEFAULT,
queueName,
region,
shard1.getShardId(),
System.currentTimeMillis(),
null, null );
UUID queueMessageId = queueMessageSerialization.writeMessage( message );
queueMessageSerialization.deleteMessage(
queueName,
region,
shard1.getShardId(),
DatabaseQueueMessage.Type.DEFAULT,
queueMessageId );
assertNull( queueMessageSerialization.loadMessage(
queueName,
region,
shard1.getShardId(),
DatabaseQueueMessage.Type.DEFAULT,
queueMessageId
));
}
@Test
public void loadNullMessage(){
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("junk", "region1", Shard.Type.DEFAULT, 100L, null);
assertNull( queueMessageSerialization.loadMessage(
RandomStringUtils.randomAlphanumeric( 20 ),
"dummy_region",
shard1.getShardId(),
DatabaseQueueMessage.Type.DEFAULT,
null
));
}
@Test
public void writeNewMessageData(){
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("test", "region1", Shard.Type.DEFAULT, 100L, null);
UUID messageId = QakkaUtils.getTimeUuid();
final String data = "my test data";
final DatabaseQueueMessageBody messageBody = new DatabaseQueueMessageBody(
DataType.serializeValue(data, ProtocolVersion.NEWEST_SUPPORTED), "text/plain");
queueMessageSerialization.writeMessageData(messageId, messageBody);
final DatabaseQueueMessageBody returnedData = queueMessageSerialization.loadMessageData( messageId );
}
@Test
public void loadMessageData() throws Exception {
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("test", "region1", Shard.Type.DEFAULT, 100L, null);
UUID messageId = QakkaUtils.getTimeUuid();
final String data = "my test data";
final DatabaseQueueMessageBody messageBody = new DatabaseQueueMessageBody( DataType.serializeValue(data,
ProtocolVersion.NEWEST_SUPPORTED), "text/plain");
queueMessageSerialization.writeMessageData(messageId, messageBody);
final DatabaseQueueMessageBody returnedBody = queueMessageSerialization.loadMessageData( messageId );
String returnedData = new String( returnedBody.getBlob().array(), "UTF-8");
assertEquals(data, returnedData);
}
@Test
public void loadMessageObjectData() throws Exception {
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("test", "region1", Shard.Type.DEFAULT, 100L, null);
UUID messageId = QakkaUtils.getTimeUuid();
final String data = "my test data";
final DatabaseQueueMessageBody messageBody = new DatabaseQueueMessageBody( DataType.serializeValue(data,
ProtocolVersion.NEWEST_SUPPORTED), "text/plain");
queueMessageSerialization.writeMessageData(messageId, messageBody);
final DatabaseQueueMessageBody returnedBody = queueMessageSerialization.loadMessageData( messageId );
String returnedData = new String( returnedBody.getBlob().array(), "UTF-8");
assertEquals(data, returnedData);
}
@Test
public void deleteMessageData() throws UnsupportedEncodingException {
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
Shard shard1 = new Shard("test", "region1", Shard.Type.DEFAULT, 100L, null);
UUID messageId = QakkaUtils.getTimeUuid();
final String data = "my test data";
final DatabaseQueueMessageBody messageBody = new DatabaseQueueMessageBody( DataType.serializeValue(data,
ProtocolVersion.NEWEST_SUPPORTED), "text/plain");
queueMessageSerialization.writeMessageData(messageId, messageBody);
final DatabaseQueueMessageBody returnedBody = queueMessageSerialization.loadMessageData( messageId );
final String returnedData = new String( returnedBody.getBlob().array(), "UTF-8");
assertEquals(data, returnedData);
queueMessageSerialization.deleteMessageData(messageId);
assertNull(queueMessageSerialization.loadMessageData( messageId ));
}
/**
* Persist to blob using Java serialization.
*/
@Test
public void persistJavaObjectData() throws Exception {
QueueMessageSerialization queueMessageSerialization =
getInjector().getInstance( QueueMessageSerialization.class );
// serialize Java object to byte buffer
final ThingToSave data = new ThingToSave();
data.value = "my test data";
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(data);
oos.flush();
oos.close();
ByteBuffer byteBuffer = ByteBuffer.wrap( bos.toByteArray() );
// write to Cassandra
final DatabaseQueueMessageBody messageBody = new DatabaseQueueMessageBody(
byteBuffer,"application/octet-stream");
UUID messageId = QakkaUtils.getTimeUuid();
queueMessageSerialization.writeMessageData(messageId, messageBody);
// load from Cassandra
final DatabaseQueueMessageBody returnedBody = queueMessageSerialization.loadMessageData( messageId );
// deserialize byte buffer
ByteBuffer messageData = returnedBody.getBlob();
ByteArrayInputStream bais = new ByteArrayInputStream( messageData.array() );
// throws exception -> java.io.StreamCorruptedException: invalid stream header: 00000000
ObjectInputStream ios = new ObjectInputStream( bais );
ThingToSave returnedData = (ThingToSave)ios.readObject();
assertEquals( data.value, returnedData.value );
}
}