/*
* Copyright 2002-2016 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.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.integration.channel.PriorityChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Mark Fisher
* @author Artem Bilan
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class ChannelCapacityPlaceholderTests {
@Autowired
private ApplicationContext context;
@Test
public void verifyCapacityValueChanges() {
QueueChannel channel = context.getBean("channel", QueueChannel.class);
assertNotNull(channel);
assertEquals(99, channel.getRemainingCapacity());
channel.send(MessageBuilder.withPayload("test1").build());
channel.send(MessageBuilder.withPayload("test2").build());
assertEquals(97, channel.getRemainingCapacity());
assertNotNull(channel.receive(0));
assertEquals(98, channel.getRemainingCapacity());
}
@Test
public void testCapacityOnPriorityChannel() {
PriorityChannel channel = context.getBean("priorityChannel", PriorityChannel.class);
assertNotNull(channel);
assertEquals(99, channel.getRemainingCapacity());
channel.send(MessageBuilder.withPayload("test1").build());
channel.send(MessageBuilder.withPayload("test2").build());
assertEquals(97, channel.getRemainingCapacity());
assertNotNull(channel.receive(0));
assertEquals(98, channel.getRemainingCapacity());
}
}