/*
* Copyright (C) Scott Cranton and Jakub Korab
* 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.transactions.transactionpolicy;
import javax.sql.DataSource;
import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.component.sql.SqlComponent;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.impl.SimpleRegistry;
import org.apache.camel.spring.spi.SpringTransactionPolicy;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.camelcookbook.transactions.dao.AuditLogDao;
import org.camelcookbook.transactions.dao.MessageDao;
import org.camelcookbook.transactions.utils.EmbeddedDataSourceFactory;
import org.camelcookbook.transactions.utils.ExceptionThrowingProcessor;
import org.junit.Test;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
/**
* Demonstrates the use of nested transaction policies.
*/
public class TransactionPolicyNestedTest extends CamelTestSupport {
private AuditLogDao auditLogDao;
private DataSource dataSource;
private MessageDao messageDao;
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new TransactionPolicyNestedRouteBuilder();
}
@Override
protected CamelContext createCamelContext() throws Exception {
SimpleRegistry registry = new SimpleRegistry();
dataSource = EmbeddedDataSourceFactory.getDataSource("sql/schema.sql");
DataSourceTransactionManager transactionManager = new DataSourceTransactionManager(dataSource);
registry.put("transactionManager", transactionManager);
{
SpringTransactionPolicy propagationRequired = new SpringTransactionPolicy();
propagationRequired.setTransactionManager(transactionManager);
propagationRequired.setPropagationBehaviorName("PROPAGATION_REQUIRED");
registry.put("PROPAGATION_REQUIRED", propagationRequired);
}
{
SpringTransactionPolicy propagationNotSupported = new SpringTransactionPolicy();
propagationNotSupported.setTransactionManager(transactionManager);
propagationNotSupported.setPropagationBehaviorName("PROPAGATION_NOT_SUPPORTED");
registry.put("PROPAGATION_NOT_SUPPORTED", propagationNotSupported);
}
auditLogDao = new AuditLogDao(dataSource);
messageDao = new MessageDao(dataSource);
CamelContext camelContext = new DefaultCamelContext(registry);
SqlComponent sqlComponent = new SqlComponent();
sqlComponent.setDataSource(dataSource);
camelContext.addComponent("sql", sqlComponent);
return camelContext;
}
@Test
public void testFailureMock1() throws InterruptedException {
String message = "ping";
assertEquals(0, auditLogDao.getAuditCount(message));
MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
mockOut1.whenAnyExchangeReceived(new ExceptionThrowingProcessor());
mockOut1.message(0).body().isEqualTo(message);
MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
mockOut2.setExpectedMessageCount(1);
try {
template.sendBody("direct:policies", message);
fail();
} catch (Exception e) {
assertEquals("boom!", ExceptionUtils.getRootCause(e).getMessage());
}
assertMockEndpointsSatisfied();
assertEquals(1, auditLogDao.getAuditCount(message));
assertEquals(0, messageDao.getMessageCount(message));
}
@Test
public void testFailureMock2() throws InterruptedException {
String message = "ping";
assertEquals(0, auditLogDao.getAuditCount(message));
MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
mockOut1.setExpectedMessageCount(0);
MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
mockOut2.whenAnyExchangeReceived(new ExceptionThrowingProcessor());
try {
template.sendBody("direct:policies", message);
fail();
} catch (Exception e) {
assertEquals("boom!", ExceptionUtils.getRootCause(e).getMessage());
}
assertMockEndpointsSatisfied();
assertEquals(1, auditLogDao.getAuditCount(message));
assertEquals(0, messageDao.getMessageCount(message));
}
@Test
public void testSuccess() throws InterruptedException {
String message = "ping";
assertEquals(0, auditLogDao.getAuditCount(message));
MockEndpoint mockOut1 = getMockEndpoint("mock:out1");
mockOut1.setExpectedMessageCount(1);
mockOut1.message(0).body().isEqualTo(message);
MockEndpoint mockOut2 = getMockEndpoint("mock:out2");
mockOut2.setExpectedMessageCount(1);
mockOut2.message(0).body().isEqualTo(message);
template.sendBody("direct:policies", message);
assertMockEndpointsSatisfied();
assertEquals(1, auditLogDao.getAuditCount(message));
assertEquals(1, messageDao.getMessageCount(message));
}
}