LettuceSentinelIntegrationTests.java

/*
 * Copyright 2015-2017 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.data.redis.connection.lettuce;

import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.*;

import java.util.Collection;
import java.util.List;

import org.junit.After;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.springframework.data.redis.ConnectionFactoryTracker;
import org.springframework.data.redis.connection.AbstractConnectionIntegrationTests;
import org.springframework.data.redis.connection.DefaultStringRedisConnection;
import org.springframework.data.redis.connection.RedisSentinelConfiguration;
import org.springframework.data.redis.connection.RedisSentinelConnection;
import org.springframework.data.redis.connection.RedisServer;
import org.springframework.data.redis.connection.StringRedisConnection;
import org.springframework.data.redis.test.util.MinimumRedisVersionRule;
import org.springframework.data.redis.test.util.RedisSentinelRule;

/**
 * @author Mark Paluch
 * @author Christoph Strobl
 */
public class LettuceSentinelIntegrationTests extends AbstractConnectionIntegrationTests {

	private static final String MASTER_NAME = "mymaster";
	private static final RedisServer SENTINEL_0 = new RedisServer("127.0.0.1", 26379);
	private static final RedisServer SENTINEL_1 = new RedisServer("127.0.0.1", 26380);

	private static final RedisServer SLAVE_0 = new RedisServer("127.0.0.1", 6380);
	private static final RedisServer SLAVE_1 = new RedisServer("127.0.0.1", 6381);

	private static final RedisSentinelConfiguration SENTINEL_CONFIG = new RedisSentinelConfiguration() //
			.master(MASTER_NAME).sentinel(SENTINEL_0).sentinel(SENTINEL_1);

	public static @ClassRule RedisSentinelRule sentinelRule = RedisSentinelRule.forConfig(SENTINEL_CONFIG).oneActive();
	public @Rule MinimumRedisVersionRule minimumVersionRule = new MinimumRedisVersionRule();

	@Before
	public void setUp() {

		LettuceConnectionFactory lettuceConnectionFactory = new LettuceConnectionFactory(SENTINEL_CONFIG);
		lettuceConnectionFactory.setClientResources(LettuceTestClientResources.getSharedClientResources());
		lettuceConnectionFactory.setShareNativeConnection(false);
		lettuceConnectionFactory.setShutdownTimeout(0);
		lettuceConnectionFactory.afterPropertiesSet();

		connectionFactory = lettuceConnectionFactory;
		super.setUp();
	}

	@After
	public void tearDown() {
		super.tearDown();
		((LettuceConnectionFactory) connectionFactory).destroy();
	}

	@Test // DATAREDIS-348
	public void shouldReadMastersCorrectly() {

		List<RedisServer> servers = (List<RedisServer>) connectionFactory.getSentinelConnection().masters();
		assertThat(servers.size(), is(1));
		assertThat(servers.get(0).getName(), is(MASTER_NAME));
	}

	@Test // DATAREDIS-348
	public void shouldReadSlavesOfMastersCorrectly() {

		RedisSentinelConnection sentinelConnection = connectionFactory.getSentinelConnection();

		List<RedisServer> servers = (List<RedisServer>) sentinelConnection.masters();
		assertThat(servers.size(), is(1));

		Collection<RedisServer> slaves = sentinelConnection.slaves(servers.get(0));
		assertThat(slaves.size(), is(2));
		assertThat(slaves, hasItems(SLAVE_0, SLAVE_1));
	}

	@Test // DATAREDIS-462
	public void factoryWorksWithoutClientResources() {

		LettuceConnectionFactory factory = new LettuceConnectionFactory(SENTINEL_CONFIG);
		factory.setShutdownTimeout(0);
		factory.afterPropertiesSet();

		ConnectionFactoryTracker.add(factory);

		StringRedisConnection connection = new DefaultStringRedisConnection(factory.getConnection());

		try {
			assertThat(connection.ping(), is(equalTo("PONG")));
		} finally {
			connection.close();
		}
	}
}