/**
* 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.camel.component.rabbitmq;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ThreadPoolExecutor;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Address;
import com.rabbitmq.client.Envelope;
import com.rabbitmq.client.impl.LongStringHelper;
import org.apache.camel.Exchange;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
import org.mockito.Mockito;
public class RabbitMQEndpointTest extends CamelTestSupport {
private Envelope envelope = Mockito.mock(Envelope.class);
private AMQP.BasicProperties properties = Mockito.mock(AMQP.BasicProperties.class);
@Test
public void testCreatingRabbitExchangeSetsStandardHeaders() throws Exception {
RabbitMQEndpoint endpoint = context.getEndpoint("rabbitmq:localhost/exchange", RabbitMQEndpoint.class);
String routingKey = UUID.randomUUID().toString();
String exchangeName = UUID.randomUUID().toString();
long tag = UUID.randomUUID().toString().hashCode();
Mockito.when(envelope.getRoutingKey()).thenReturn(routingKey);
Mockito.when(envelope.getExchange()).thenReturn(exchangeName);
Mockito.when(envelope.getDeliveryTag()).thenReturn(tag);
Mockito.when(properties.getHeaders()).thenReturn(null);
byte[] body = new byte[20];
Exchange exchange = endpoint.createRabbitExchange(envelope, properties, body);
assertEquals(exchangeName, exchange.getIn().getHeader(RabbitMQConstants.EXCHANGE_NAME));
assertEquals(routingKey, exchange.getIn().getHeader(RabbitMQConstants.ROUTING_KEY));
assertEquals(tag, exchange.getIn().getHeader(RabbitMQConstants.DELIVERY_TAG));
assertEquals(body, exchange.getIn().getBody());
}
@Test
public void testCreatingRabbitExchangeSetsCustomHeaders() throws Exception {
RabbitMQEndpoint endpoint = context.getEndpoint("rabbitmq:localhost/exchange", RabbitMQEndpoint.class);
String routingKey = UUID.randomUUID().toString();
String exchangeName = UUID.randomUUID().toString();
long tag = UUID.randomUUID().toString().hashCode();
Mockito.when(envelope.getRoutingKey()).thenReturn(routingKey);
Mockito.when(envelope.getExchange()).thenReturn(exchangeName);
Mockito.when(envelope.getDeliveryTag()).thenReturn(tag);
Map<String, Object> customHeaders = new HashMap<String, Object>();
customHeaders.put("stringHeader", "A string");
customHeaders.put("bigDecimalHeader", new BigDecimal("12.34"));
customHeaders.put("integerHeader", 42);
customHeaders.put("doubleHeader", 42.24);
customHeaders.put("booleanHeader", true);
customHeaders.put("dateHeader", new Date(0));
customHeaders.put("byteArrayHeader", "foo".getBytes());
customHeaders.put("longStringHeader", LongStringHelper.asLongString("Some really long string"));
Mockito.when(properties.getHeaders()).thenReturn(customHeaders);
byte[] body = new byte[20];
Exchange exchange = endpoint.createRabbitExchange(envelope, properties, body);
assertEquals(exchangeName, exchange.getIn().getHeader(RabbitMQConstants.EXCHANGE_NAME));
assertEquals(routingKey, exchange.getIn().getHeader(RabbitMQConstants.ROUTING_KEY));
assertEquals(tag, exchange.getIn().getHeader(RabbitMQConstants.DELIVERY_TAG));
assertEquals("A string", exchange.getIn().getHeader("stringHeader"));
assertEquals(new BigDecimal("12.34"), exchange.getIn().getHeader("bigDecimalHeader"));
assertEquals(42, exchange.getIn().getHeader("integerHeader"));
assertEquals(42.24, exchange.getIn().getHeader("doubleHeader"));
assertEquals(true, exchange.getIn().getHeader("booleanHeader"));
assertEquals(new Date(0), exchange.getIn().getHeader("dateHeader"));
assertArrayEquals("foo".getBytes(), (byte[]) exchange.getIn().getHeader("byteArrayHeader"));
assertEquals("Some really long string", exchange.getIn().getHeader("longStringHeader"));
assertEquals(body, exchange.getIn().getBody());
}
@Test
public void creatingExecutorUsesThreadPoolSettings() throws Exception {
RabbitMQEndpoint endpoint = context.getEndpoint("rabbitmq:localhost/exchange?threadPoolSize=20", RabbitMQEndpoint.class);
assertEquals(20, endpoint.getThreadPoolSize());
ThreadPoolExecutor executor = assertIsInstanceOf(ThreadPoolExecutor.class, endpoint.createExecutor());
assertEquals(20, executor.getCorePoolSize());
}
@Test
public void assertSingleton() throws Exception {
RabbitMQEndpoint endpoint = context.getEndpoint("rabbitmq:localhost/exchange", RabbitMQEndpoint.class);
assertTrue(endpoint.isSingleton());
}
@Test
public void brokerEndpointAddressesSettings() throws Exception {
RabbitMQEndpoint endpoint = context.getEndpoint("rabbitmq:localhost/exchange?addresses=server1:12345,server2:12345", RabbitMQEndpoint.class);
assertEquals("Wrong size of endpoint addresses.", 2, endpoint.getAddresses().length);
assertEquals("Get a wrong endpoint address.", new Address("server1", 12345), endpoint.getAddresses()[0]);
assertEquals("Get a wrong endpoint address.", new Address("server2", 12345), endpoint.getAddresses()[1]);
}
}