SometimesAsyncProcessorTest.java

/*
 * 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.parallelprocessing.asyncprocessor;

import org.apache.camel.Message;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

/**
 * Test class that demonstrates the use of an {@link org.apache.camel.AsyncProcessor} that can also respond synchronously.
 */
public class SometimesAsyncProcessorTest extends CamelTestSupport {

    final int messageCount = 10;

    @Override
    public RouteBuilder createRouteBuilder() {
        return new SometimesAsyncProcessorRouteBuilder();
    }

    @Test
    public void testAsyncProcessing() throws InterruptedException {
        MockEndpoint mockOut = getMockEndpoint("mock:out");
        mockOut.setExpectedMessageCount(messageCount);
        mockOut.setResultWaitTime(5000);

        for (int i = 0; i < messageCount; i++) {
            template.sendBodyAndHeader("seda:in", "Message[" + i + "]", "processAsync", true);
        }

        assertMockEndpointsSatisfied();
        Message message = mockOut.getExchanges().get(0).getIn();
        assertNotEquals(message.getHeader("initiatingThread"), message.getHeader("completingThread"));
    }

    @Test
    public void testSyncProcessing() throws InterruptedException {
        MockEndpoint mockOut = getMockEndpoint("mock:out");
        mockOut.setExpectedMessageCount(messageCount);
        mockOut.setResultWaitTime(5000);

        for (int i = 0; i < messageCount; i++) {
            template.sendBodyAndHeader("seda:in", "Message[" + i + "]", "processAsync", false);
        }

        assertMockEndpointsSatisfied();
        Message message = mockOut.getExchanges().get(0).getIn();
        assertEquals(message.getHeader("initiatingThread"), message.getHeader("completingThread"));
    }
}