/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.processor.jpa;
import java.io.File;
import java.util.List;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.idempotent.jpa.MessageProcessed;
import org.apache.camel.spring.SpringCamelContext;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
/**
* Unit test using jpa idempotent repository for the file consumer.
*/
public class FileConsumerJpaIdempotentTest extends CamelTestSupport {
protected static final String SELECT_ALL_STRING = "select x from " + MessageProcessed.class.getName() + " x where x.processorName = ?1";
protected static final String PROCESSOR_NAME = "FileConsumer";
protected ApplicationContext applicationContext;
protected JpaTemplate jpaTemplate;
@Override
protected CamelContext createCamelContext() throws Exception {
applicationContext = new ClassPathXmlApplicationContext("org/apache/camel/processor/jpa/fileConsumerJpaIdempotentTest-config.xml");
return SpringCamelContext.springCamelContext(applicationContext);
}
@Before
public void setUp() throws Exception {
super.setUp();
cleanupRepository();
deleteDirectory("target/idempotent");
template.sendBodyAndHeader("file://target/idempotent/", "Hello World", Exchange.FILE_NAME, "report.txt");
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() throws Exception {
from("file://target/idempotent/?idempotent=true&idempotentRepository=#jpaStore&move=done/${file:name}").to("mock:result");
}
};
}
@SuppressWarnings("unchecked")
protected void cleanupRepository() {
jpaTemplate = (JpaTemplate)applicationContext.getBean("jpaTemplate", JpaTemplate.class);
TransactionTemplate transactionTemplate = new TransactionTemplate();
transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory()));
transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
transactionTemplate.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus arg0) {
List list = jpaTemplate.find(SELECT_ALL_STRING, PROCESSOR_NAME);
for (Object item : list) {
jpaTemplate.remove(item);
}
jpaTemplate.flush();
return Boolean.TRUE;
}
});
}
@Test
public void testFileConsumerJpaIdempotent() throws Exception {
// consume the file the first time
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("Hello World");
mock.expectedMessageCount(1);
assertMockEndpointsSatisfied();
Thread.sleep(1000);
// reset mock and set new expectations
mock.reset();
mock.expectedMessageCount(0);
// move file back
File file = new File("target/idempotent/done/report.txt");
File renamed = new File("target/idempotent/report.txt");
file = file.getAbsoluteFile();
file.renameTo(renamed.getAbsoluteFile());
// should NOT consume the file again, let 2 secs pass to let the consumer try to consume it but it should not
Thread.sleep(2000);
assertMockEndpointsSatisfied();
}
}