org.springframework.amqp.rabbit.connection.CachePropertiesTests.java Source code

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Here is the source code for org.springframework.amqp.rabbit.connection.CachePropertiesTests.java

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/*
 * Copyright 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.amqp.rabbit.connection;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;

import java.util.Properties;

import org.junit.ClassRule;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.amqp.rabbit.connection.CachingConnectionFactory.CacheMode;
import org.springframework.amqp.rabbit.test.BrokerRunning;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.rabbitmq.client.Channel;

/**
 * @author Gary Russell
 * @since 1.6
 *
 */
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class CachePropertiesTests {

    @ClassRule
    public static BrokerRunning br = BrokerRunning.isRunning();

    @Autowired
    private CachingConnectionFactory channelCf;

    @Autowired
    private CachingConnectionFactory connectionCf;

    @Test
    public void testChannelCache() throws Exception {
        Connection c1 = this.channelCf.createConnection();
        Connection c2 = this.channelCf.createConnection();
        assertSame(c1, c2);
        Channel ch1 = c1.createChannel(false);
        Channel ch2 = c1.createChannel(false);
        Channel ch3 = c1.createChannel(true);
        Channel ch4 = c1.createChannel(true);
        Channel ch5 = c1.createChannel(true);
        ch1.close();
        ch2.close();
        ch3.close();
        ch4.close();
        ch5.close();
        Properties props = this.channelCf.getCacheProperties();
        assertEquals("4", props.getProperty("channelCacheSize"));
        assertEquals("2", props.getProperty("idleChannelsNotTx"));
        assertEquals("3", props.getProperty("idleChannelsTx"));
        assertEquals("2", props.getProperty("idleChannelsNotTxHighWater"));
        assertEquals("3", props.getProperty("idleChannelsTxHighWater"));
        ch1 = c1.createChannel(false);
        ch3 = c1.createChannel(true);
        props = this.channelCf.getCacheProperties();
        assertEquals("1", props.getProperty("idleChannelsNotTx"));
        assertEquals("2", props.getProperty("idleChannelsTx"));
        assertEquals("2", props.getProperty("idleChannelsNotTxHighWater"));
        assertEquals("3", props.getProperty("idleChannelsTxHighWater"));
        ch1 = c1.createChannel(false);
        ch2 = c1.createChannel(false);
        ch3 = c1.createChannel(true);
        ch4 = c1.createChannel(true);
        ch5 = c1.createChannel(true);
        Channel ch6 = c1.createChannel(true);
        Channel ch7 = c1.createChannel(true); // #5
        ch1.close();
        ch2.close();
        ch3.close();
        ch4.close();
        ch5.close();
        ch6.close();
        ch7.close();
        props = this.channelCf.getCacheProperties();
        assertEquals("2", props.getProperty("idleChannelsNotTx"));
        assertEquals("4", props.getProperty("idleChannelsTx")); // not 5
        assertEquals("2", props.getProperty("idleChannelsNotTxHighWater"));
        assertEquals("4", props.getProperty("idleChannelsTxHighWater")); // not 5

    }

    @Test
    public void testConnectionCache() throws Exception {
        Connection c1 = this.connectionCf.createConnection();
        Connection c2 = this.connectionCf.createConnection();
        Channel ch1 = c1.createChannel(false);
        Channel ch2 = c1.createChannel(false);
        Channel ch3 = c2.createChannel(true);
        Channel ch4 = c2.createChannel(true);
        Channel ch5 = c2.createChannel(false);
        ch1.close();
        ch2.close();
        ch3.close();
        ch4.close();
        ch5.close();
        c1.close();
        Properties props = this.connectionCf.getCacheProperties();
        assertEquals("10", props.getProperty("channelCacheSize"));
        assertEquals("5", props.getProperty("connectionCacheSize"));
        assertEquals("2", props.getProperty("openConnections"));
        assertEquals("1", props.getProperty("idleConnections"));
        c2.close();
        props = this.connectionCf.getCacheProperties();
        assertEquals("2", props.getProperty("idleConnections"));
        assertEquals("2", props.getProperty("idleConnectionsHighWater"));
        int c1Port = c1.getLocalPort();
        int c2Port = c2.getLocalPort();
        assertEquals("2", props.getProperty("idleChannelsNotTx:" + c1Port));
        assertEquals("0", props.getProperty("idleChannelsTx:" + c1Port));
        assertEquals("2", props.getProperty("idleChannelsNotTxHighWater:" + c1Port));
        assertEquals("0", props.getProperty("idleChannelsTxHighWater:" + c1Port));
        assertEquals("1", props.getProperty("idleChannelsNotTx:" + c2Port));
        assertEquals("2", props.getProperty("idleChannelsTx:" + c2Port));
        assertEquals("1", props.getProperty("idleChannelsNotTxHighWater:" + c2Port));
        assertEquals("2", props.getProperty("idleChannelsTxHighWater:" + c2Port));
    }

    @Configuration
    // @EnableMBeanExport
    public static class Config {

        @Bean
        public CachingConnectionFactory channelCf() {
            CachingConnectionFactory cachingConnectionFactory = new CachingConnectionFactory("localhost");
            cachingConnectionFactory.setChannelCacheSize(4);
            return cachingConnectionFactory;
        }

        @Bean
        public CachingConnectionFactory connectionCf() {
            CachingConnectionFactory cachingConnectionFactory = new CachingConnectionFactory("localhost");
            cachingConnectionFactory.setChannelCacheSize(10);
            cachingConnectionFactory.setConnectionCacheSize(5);
            cachingConnectionFactory.setCacheMode(CacheMode.CONNECTION);
            return cachingConnectionFactory;
        }

    }

}