/*
* Copyright 2002-2010 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.filter;
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 org.junit.Test;
import org.springframework.integration.MessageRejectedException;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.endpoint.EventDrivenConsumer;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
/**
* @author Mark Fisher
*/
public class MessageFilterTests {
@Test
public void filterAcceptsMessage() {
MessageFilter filter = new MessageFilter(message -> true);
Message<?> message = new GenericMessage<String>("test");
QueueChannel output = new QueueChannel();
filter.setOutputChannel(output);
filter.handleMessage(message);
Message<?> received = output.receive(0);
assertEquals(message.getPayload(), received.getPayload());
assertEquals(message.getHeaders().getId(), received.getHeaders().getId());
}
@Test
public void filterRejectsMessageSilently() {
MessageFilter filter = new MessageFilter(message -> false);
QueueChannel output = new QueueChannel();
filter.setOutputChannel(output);
filter.handleMessage(new GenericMessage<String>("test"));
assertNull(output.receive(0));
}
@Test(expected = MessageRejectedException.class)
public void filterThrowsException() {
MessageFilter filter = new MessageFilter(message -> false);
filter.setThrowExceptionOnRejection(true);
QueueChannel output = new QueueChannel();
filter.setOutputChannel(output);
filter.handleMessage(new GenericMessage<String>("test"));
}
@Test
public void filterAcceptsWithChannels() {
DirectChannel inputChannel = new DirectChannel();
QueueChannel outputChannel = new QueueChannel();
MessageFilter filter = new MessageFilter(message -> true);
filter.setOutputChannel(outputChannel);
EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, filter);
endpoint.start();
Message<?> message = new GenericMessage<String>("test");
assertTrue(inputChannel.send(message));
Message<?> reply = outputChannel.receive(0);
assertNotNull(reply);
assertEquals(message.getPayload(), reply.getPayload());
}
@Test
public void filterRejectsSilentlyWithChannels() {
DirectChannel inputChannel = new DirectChannel();
QueueChannel outputChannel = new QueueChannel();
MessageFilter filter = new MessageFilter(message -> false);
filter.setOutputChannel(outputChannel);
EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, filter);
endpoint.start();
Message<?> message = new GenericMessage<String>("test");
assertTrue(inputChannel.send(message));
assertNull(outputChannel.receive(0));
}
@Test(expected = MessageRejectedException.class)
public void filterThrowsExceptionWithChannels() {
DirectChannel inputChannel = new DirectChannel();
QueueChannel outputChannel = new QueueChannel();
MessageFilter filter = new MessageFilter(message -> false);
filter.setOutputChannel(outputChannel);
filter.setThrowExceptionOnRejection(true);
EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, filter);
endpoint.start();
Message<?> message = new GenericMessage<String>("test");
assertTrue(inputChannel.send(message));
}
@Test
public void filterDiscardsMessage() {
DirectChannel inputChannel = new DirectChannel();
QueueChannel outputChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
MessageFilter filter = new MessageFilter(message -> false);
filter.setOutputChannel(outputChannel);
filter.setDiscardChannel(discardChannel);
EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, filter);
endpoint.start();
Message<?> message = new GenericMessage<String>("test");
assertTrue(inputChannel.send(message));
Message<?> reply = discardChannel.receive(0);
assertNotNull(reply);
assertEquals(message, reply);
assertNull(outputChannel.receive(0));
}
@Test(expected = MessageRejectedException.class)
public void filterDiscardsMessageAndThrowsException() throws Exception {
DirectChannel inputChannel = new DirectChannel();
QueueChannel outputChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
MessageFilter filter = new MessageFilter(message -> false);
filter.setOutputChannel(outputChannel);
filter.setDiscardChannel(discardChannel);
filter.setThrowExceptionOnRejection(true);
EventDrivenConsumer endpoint = new EventDrivenConsumer(inputChannel, filter);
endpoint.start();
Message<?> message = new GenericMessage<String>("test");
try {
assertTrue(inputChannel.send(message));
}
catch (Exception e) {
throw e;
}
finally {
Message<?> reply = discardChannel.receive(0);
assertNotNull(reply);
assertEquals(message, reply);
assertNull(outputChannel.receive(0));
}
}
}