/*
* Copyright (C) Scott Cranton, Jakub Korab, and Christian Posta
* https://github.com/CamelCookbook
*
* Licensed 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.camelcookbook.routing.multicast;
import org.apache.camel.EndpointInject;
import org.apache.camel.Exchange;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
public class MulticastShallowCopyTest extends CamelTestSupport {
public static final String MESSAGE_BODY = "Message to be multicast";
@Produce(uri = "direct:start")
protected ProducerTemplate template;
@EndpointInject(uri = "mock:first")
private MockEndpoint mockFirst;
@EndpointInject(uri = "mock:second")
private MockEndpoint mockSecond;
@EndpointInject(uri = "mock:afterMulticast")
private MockEndpoint afterMulticast;
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new MulticastShallowCopyRouteBuilder();
}
@Test
public void testMessageRoutedToMulticastEndpoints() throws InterruptedException {
mockFirst.setExpectedMessageCount(1);
mockFirst.message(0).body().isEqualTo(MESSAGE_BODY);
mockFirst.message(0).header("firstModifies").isEqualTo("apple");
mockSecond.setExpectedMessageCount(1);
mockSecond.message(0).body().isEqualTo(MESSAGE_BODY);
mockSecond.message(0).header("secondModifies").isEqualTo("banana");
mockSecond.message(0).header("firstModifies").isNull();
afterMulticast.setExpectedMessageCount(1);
afterMulticast.message(0).body().isEqualTo(MESSAGE_BODY);
afterMulticast.message(0).header("modifiedBy").isNull();
template.sendBody(MESSAGE_BODY);
assertMockEndpointsSatisfied();
}
@Test
public void testAllMessagesParticipateInDifferentTransactions() throws InterruptedException {
afterMulticast.setExpectedMessageCount(1);
mockFirst.setExpectedMessageCount(1);
mockSecond.setExpectedMessageCount(1);
template.sendBody(MESSAGE_BODY);
assertMockEndpointsSatisfied();
// check that all of the messages participated in different transactions
assertNotEquals(getExchange(afterMulticast).getUnitOfWork(), getExchange(mockFirst).getUnitOfWork());
assertNotEquals(getExchange(afterMulticast).getUnitOfWork(), getExchange(mockSecond).getUnitOfWork());
}
@Test
public void testAllEndpointsReachedBySameThread() throws InterruptedException {
afterMulticast.setExpectedMessageCount(1);
mockFirst.setExpectedMessageCount(1);
mockSecond.setExpectedMessageCount(1);
template.sendBody(MESSAGE_BODY);
assertMockEndpointsSatisfied();
// check that all of the mock endpoints were reached by the same thread
String firstThreadName = getExchange(mockFirst).getIn().getHeader("threadName", String.class);
String secondThreadName = getExchange(mockSecond).getIn().getHeader("threadName", String.class);
assertEquals(firstThreadName, secondThreadName);
}
private Exchange getExchange(MockEndpoint mock) {
return mock.getExchanges().get(0);
}
}