/*
* 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.splitjoin.splitreaggregate;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.spring.CamelSpringTestSupport;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* Demonstrates the splitting of a payload, processing of each of the fragments and reaggregating the results.
*/
public class SplitReaggregateSpringTest extends CamelSpringTestSupport {
@Override
protected AbstractApplicationContext createApplicationContext() {
return new ClassPathXmlApplicationContext("/META-INF/spring/splitReaggregate-context.xml");
}
@Test
public void testSplitAggregatesResponses() throws Exception {
MockEndpoint mockOut = getMockEndpoint("mock:out");
mockOut.expectedMessageCount(2);
String filename = "target/classes/xml/books-extended.xml";
assertFileExists(filename);
InputStream booksStream = new FileInputStream(filename);
template.sendBody("direct:in", booksStream);
assertMockEndpointsSatisfied();
List<Exchange> receivedExchanges = mockOut.getReceivedExchanges();
assertBooksByCategory(receivedExchanges.get(0));
assertBooksByCategory(receivedExchanges.get(1));
}
@Test
public void testSplitAggregatesResponsesCombined() throws Exception {
MockEndpoint mockOut = getMockEndpoint("mock:out");
mockOut.expectedMessageCount(2);
String filename = "target/classes/xml/books-extended.xml";
assertFileExists(filename);
InputStream booksStream = new FileInputStream(filename);
template.sendBody("direct:combined", booksStream);
assertMockEndpointsSatisfied();
List<Exchange> receivedExchanges = mockOut.getReceivedExchanges();
assertBooksByCategory(receivedExchanges.get(0));
assertBooksByCategory(receivedExchanges.get(1));
}
private void assertBooksByCategory(Exchange exchange) {
Message in = exchange.getIn();
@SuppressWarnings("unchecked")
Set<String> books = Collections.checkedSet(in.getBody(Set.class), String.class);
String category = in.getHeader("category", String.class);
switch (category) {
case "Tech":
assertTrue(books.containsAll(Collections.singletonList("Apache Camel Developer's Cookbook")));
break;
case "Cooking":
assertTrue(books.containsAll(Arrays.asList("Camel Cookbook",
"Double decadence with extra cream", "Cooking with Butter")));
break;
default:
fail();
break;
}
}
}