SpringAggregateABCCloseTest.java

package camelinaction;

import org.apache.camel.CamelExecutionException;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.aggregate.ClosedCorrelationKeyException;
import org.apache.camel.test.spring.CamelSpringTestSupport;
import org.junit.Test;
import org.springframework.context.support.AbstractXmlApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * The sample example as {@link AggregateABCCloseTest} but using Spring XML instead.
 * <p/>
 * Please see code comments in the other example.
 *
 * @see MyEndAggregationStrategy
 */
public class SpringAggregateABCCloseTest extends CamelSpringTestSupport {

    @Override
    protected AbstractXmlApplicationContext createApplicationContext() {
        return new ClassPathXmlApplicationContext("META-INF/spring/aggregate-abc-close.xml");
    }

    @Test
    public void testABCClose() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        // we expect ABC in the published message
        // notice: Only 1 message is expected
        mock.expectedBodiesReceived("ABC");

        // send the first message
        template.sendBodyAndHeader("direct:start", "A", "myId", 1);
        // send the 2nd message with the same correlation key
        template.sendBodyAndHeader("direct:start", "B", "myId", 1);
        // the F message has another correlation key
        template.sendBodyAndHeader("direct:start", "F", "myId", 2);
        // now we have 3 messages with the same correlation key
        // and the Aggregator should publish the message
        template.sendBodyAndHeader("direct:start", "C", "myId", 1);

        // sending with correlation id 1 should fail as its closed
        try {
            template.sendBodyAndHeader("direct:start", "A2", "myId", 1);
        } catch (CamelExecutionException e) {
            ClosedCorrelationKeyException cause = assertIsInstanceOf(ClosedCorrelationKeyException.class, e.getCause());
            assertEquals("1", cause.getCorrelationKey());
        }

        assertMockEndpointsSatisfied();
    }

}