/*
* Copyright 2014 the original author or authors.
*
* 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.springframework.integration.scattergather.config;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.gateway.RequestReplyExchanger;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Artem Bilan
* @since 4.1
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class ScatterGatherTests {
@Autowired
private PollableChannel output;
@Autowired
private MessageChannel inputAuction;
@Autowired
private MessageChannel inputDistribution;
@Autowired
private RequestReplyExchanger gateway;
@Autowired
private MessageChannel scatterGatherWithinChain;
@Test
public void testAuction() {
this.inputAuction.send(new GenericMessage<String>("foo"));
Message<?> bestQuoteMessage = this.output.receive(10000);
assertNotNull(bestQuoteMessage);
Object payload = bestQuoteMessage.getPayload();
assertThat(payload, instanceOf(List.class));
assertThat(((List<?>) payload).size(), greaterThanOrEqualTo(1));
}
@Test
public void testDistribution() {
this.inputDistribution.send(new GenericMessage<String>("foo"));
Message<?> bestQuoteMessage = this.output.receive(10000);
assertNotNull(bestQuoteMessage);
Object payload = bestQuoteMessage.getPayload();
assertThat(payload, instanceOf(List.class));
assertThat(((List<?>) payload).size(), greaterThanOrEqualTo(1));
}
@Test
public void testGatewayScatterGather() {
Message<?> bestQuoteMessage = this.gateway.exchange(new GenericMessage<String>("foo"));
Object payload = bestQuoteMessage.getPayload();
assertThat(payload, instanceOf(List.class));
assertThat(((List<?>) payload).size(), greaterThanOrEqualTo(1));
}
@Test
public void testWithinChain() {
this.scatterGatherWithinChain.send(new GenericMessage<String>("foo"));
for (int i = 0; i < 3; i++) {
Message<?> result = this.output.receive(10000);
assertNotNull(result);
}
}
}