/*
* Copyright 2002-2015 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.config.xml;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Date;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.channel.DefaultHeaderChannelRegistry;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.core.MessagingTemplate;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.jmx.export.annotation.ManagedOperation;
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.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Dave Syer
* @author Gunnar Hillert
* @author Gary Russell
* @author Artem Bilan
* @since 2.0
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class ControlBusTests {
@Autowired
private MessageChannel input;
@Autowired
private PollableChannel output;
@Autowired
private DefaultHeaderChannelRegistry registry;
@Autowired
private Service service;
@Test
public void testDefaultEvaluationContext() {
Message<?> message = MessageBuilder.withPayload("@service.convert('aardvark')+headers.foo").setHeader("foo", "bar").build();
this.input.send(message);
assertEquals("catbar", output.receive(0).getPayload());
assertNull(output.receive(0));
}
@Test
public void testvoidOperation() throws Exception {
Message<?> message = MessageBuilder.withPayload("@service.voidOp('foo')").build();
this.input.send(message);
assertTrue(this.service.latch.await(10, TimeUnit.SECONDS));
}
@Test
public void testLifecycleMethods() {
ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
"ControlBusLifecycleTests-context.xml", this.getClass());
MessageChannel inputChannel = context.getBean("inputChannel", MessageChannel.class);
PollableChannel outputChannel = context.getBean("outputChannel", PollableChannel.class);
assertNull(outputChannel.receive(1000));
Message<?> message = MessageBuilder.withPayload("@adapter.start()").build();
inputChannel.send(message);
assertNotNull(outputChannel.receive(1000));
context.close();
}
@Test
public void testControlHeaderChannelReaper() throws InterruptedException {
MessagingTemplate messagingTemplate = new MessagingTemplate();
messagingTemplate.convertAndSend(input, "@integrationHeaderChannelRegistry.size()");
Message<?> result = this.output.receive(0);
assertNotNull(result);
// No channels in the registry
assertEquals(0, result.getPayload());
this.registry.channelToChannelName(new DirectChannel());
// Sleep a bit to be sure that we aren't reaped by registry TTL as 60000
Thread.sleep(100);
messagingTemplate.convertAndSend(input, "@integrationHeaderChannelRegistry.size()");
result = this.output.receive(0);
assertNotNull(result);
assertEquals(1, result.getPayload());
// Some DirectFieldAccessor magic to modify 'expireAt' to the past to avoid timing issues on high-loaded build
Object messageChannelWrapper =
TestUtils.getPropertyValue(this.registry, "channels", Map.class).values().iterator().next();
DirectFieldAccessor dfa = new DirectFieldAccessor(messageChannelWrapper);
dfa.setPropertyValue("expireAt", System.currentTimeMillis() - 60000);
messagingTemplate.convertAndSend(input, "@integrationHeaderChannelRegistry.runReaper()");
messagingTemplate.convertAndSend(input, "@integrationHeaderChannelRegistry.size()");
result = this.output.receive(0);
assertNotNull(result);
assertEquals(0, result.getPayload());
}
@Test
public void testRouterMappings() {
MessagingTemplate messagingTemplate = new MessagingTemplate();
messagingTemplate.setReceiveTimeout(1000);
messagingTemplate.convertAndSend(input, "@'router.handler'.getChannelMappings()");
Message<?> result = this.output.receive(0);
assertNotNull(result);
Map<?, ?> mappings = (Map<?, ?>) result.getPayload();
assertEquals("bar", mappings.get("foo"));
assertEquals("qux", mappings.get("baz"));
messagingTemplate.convertAndSend(input,
"@'router.handler'.replaceChannelMappings('foo=qux \n baz=bar')");
messagingTemplate.convertAndSend(input, "@'router.handler'.getChannelMappings()");
result = this.output.receive(0);
assertNotNull(result);
mappings = (Map<?, ?>) result.getPayload();
assertEquals("bar", mappings.get("baz"));
assertEquals("qux", mappings.get("foo"));
}
public static class Service {
private final CountDownLatch latch = new CountDownLatch(1);
@ManagedOperation
public String convert(String input) {
return "cat";
}
@ManagedOperation
public void voidOp(String input) {
latch.countDown();
}
}
public static class AdapterService {
public Message<String> receive() {
return new GenericMessage<String>(new Date().toString());
}
}
}