/**
* 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.idempotent.jdbc;
import java.util.List;
import javax.sql.DataSource;
import org.apache.camel.EndpointInject;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.model.RouteDefinition;
import org.apache.camel.test.junit4.CamelSpringTestSupport;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
public class JdbcMessageIdRepositoryTest extends CamelSpringTestSupport {
protected static final String SELECT_ALL_STRING = "SELECT messageId FROM CAMEL_MESSAGEPROCESSED WHERE processorName = ?";
protected static final String DELETE_ALL_STRING = "DELETE FROM CAMEL_MESSAGEPROCESSED WHERE processorName = ?";
protected static final String PROCESSOR_NAME = "myProcessorName";
protected JdbcTemplate jdbcTemplate;
protected DataSource dataSource;
@EndpointInject(uri = "mock:result")
protected MockEndpoint resultEndpoint;
@EndpointInject(uri = "mock:error")
protected MockEndpoint errorEndpoint;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
dataSource = context.getRegistry().lookup("dataSource", DataSource.class);
jdbcTemplate = new JdbcTemplate(dataSource);
jdbcTemplate.afterPropertiesSet();
setupRepository();
}
@Override
protected AbstractApplicationContext createApplicationContext() {
return new ClassPathXmlApplicationContext("org/apache/camel/processor/idempotent/jdbc/spring.xml");
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void setupRepository() {
TransactionTemplate transactionTemplate = new TransactionTemplate();
transactionTemplate.setTransactionManager(new DataSourceTransactionManager(dataSource));
transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
transactionTemplate.execute(new TransactionCallback() {
public Object doInTransaction(TransactionStatus status) {
try {
jdbcTemplate.execute("CREATE TABLE CAMEL_MESSAGEPROCESSED (processorName VARCHAR(20), messageId VARCHAR(10), createdAt timestamp)");
} catch (DataAccessException e) {
// noop if table already exists
}
jdbcTemplate.update(DELETE_ALL_STRING, PROCESSOR_NAME);
return Boolean.TRUE;
}
});
}
@Test
public void testDuplicateMessagesAreFilteredOut() throws Exception {
resultEndpoint.expectedBodiesReceived("one", "two", "three");
errorEndpoint.expectedMessageCount(0);
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
// all 3 messages should be in jdbc repo
List<String> receivedMessageIds = jdbcTemplate.queryForList(SELECT_ALL_STRING, String.class, PROCESSOR_NAME);
assertEquals(3, receivedMessageIds.size());
assertTrue(receivedMessageIds.contains("1"));
assertTrue(receivedMessageIds.contains("2"));
assertTrue(receivedMessageIds.contains("3"));
}
@Test
public void testFailedExchangesNotAdded() throws Exception {
RouteBuilder interceptor = new RouteBuilder() {
@Override
public void configure() throws Exception {
interceptSendToEndpoint("mock:result")
.process(new Processor() {
public void process(Exchange exchange) throws Exception {
String id = exchange.getIn().getHeader("messageId", String.class);
if (id.equals("2")) {
throw new IllegalArgumentException("Damn I cannot handle id 2");
}
}
});
}
};
RouteDefinition routeDefinition = context.getRouteDefinition("JdbcMessageIdRepositoryTest");
routeDefinition.adviceWith(context, interceptor);
// we send in 2 messages with id 2 that fails
errorEndpoint.expectedMessageCount(2);
resultEndpoint.expectedBodiesReceived("one", "three");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
// only message 1 and 3 should be in jdbc repo
List<String> receivedMessageIds = jdbcTemplate.queryForList(SELECT_ALL_STRING, String.class, PROCESSOR_NAME);
assertEquals(2, receivedMessageIds.size());
assertTrue("Should contain message 1", receivedMessageIds.contains("1"));
assertTrue("Should contain message 3", receivedMessageIds.contains("3"));
}
protected void sendMessage(final Object messageId, final Object body) {
template.send("direct:start", new Processor() {
public void process(Exchange exchange) {
Message in = exchange.getIn();
in.setBody(body);
in.setHeader("messageId", messageId);
}
});
}
}