/*
* Copyright 2002-2014 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.channel;
import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Gary Russell
* @author Artem Bilan
* @since 2.1
*
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class DispatcherHasNoSubscribersTests {
@Autowired
MessageChannel noSubscribersChannel;
@Autowired
MessageChannel subscribedChannel;
@Autowired
AbstractApplicationContext applicationContext;
@Before
public void setup() {
applicationContext.setId("foo");
}
@Test
public void oneChannel() {
try {
noSubscribersChannel.send(new GenericMessage<String>("Hello, world!"));
fail("Exception expected");
}
catch (MessagingException e) {
assertThat(e.getMessage(),
containsString("Dispatcher has no subscribers for channel 'foo.noSubscribersChannel'."));
}
}
@Test
public void stackedChannels() {
try {
subscribedChannel.send(new GenericMessage<String>("Hello, world!"));
fail("Exception expected");
}
catch (MessagingException e) {
assertThat(e.getMessage(),
containsString("Dispatcher has no subscribers for channel 'foo.noSubscribersChannel'."));
}
}
@Test
public void withNoContext() {
DirectChannel channel = new DirectChannel();
channel.setBeanName("bar");
try {
channel.send(new GenericMessage<String>("Hello, world!"));
fail("Exception expected");
}
catch (MessagingException e) {
assertThat(e.getMessage(),
containsString("Dispatcher has no subscribers for channel 'bar'."));
}
}
}