/*
* Copyright 2012-2015 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.boot.redis;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Assume;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
/**
* {@link TestRule} for working with an optional Redis server.
*
* @author Eric Bottard
* @author Gary Russell
* @author Dave Syer
* @author Phillip Webb
*/
public class RedisTestServer implements TestRule {
private static final Log logger = LogFactory.getLog(RedisTestServer.class);
private JedisConnectionFactory connectionFactory;
@Override
public Statement apply(final Statement base, Description description) {
try {
this.connectionFactory = createConnectionFactory();
return new RedisStatement(base, this.connectionFactory);
}
catch (Exception ex) {
logger.error("No Redis server available", ex);
return new SkipStatement();
}
}
private JedisConnectionFactory createConnectionFactory() {
JedisConnectionFactory connectionFactory = new JedisConnectionFactory();
connectionFactory.afterPropertiesSet();
testConnection(connectionFactory);
return connectionFactory;
}
private void testConnection(JedisConnectionFactory connectionFactory) {
connectionFactory.getConnection().close();
}
/**
* @return the connection factory if any
*/
public RedisConnectionFactory getConnectionFactory() {
return this.connectionFactory;
}
private static class RedisStatement extends Statement {
private final Statement base;
private final JedisConnectionFactory connectionFactory;
RedisStatement(Statement base, JedisConnectionFactory connectionFactory) {
this.base = base;
this.connectionFactory = connectionFactory;
}
@Override
public void evaluate() throws Throwable {
try {
this.base.evaluate();
}
finally {
try {
this.connectionFactory.destroy();
}
catch (Exception ex) {
logger.warn("Exception while trying to cleanup redis resource", ex);
}
}
}
}
private static class SkipStatement extends Statement {
@Override
public void evaluate() throws Throwable {
Assume.assumeTrue("Skipping test due to " + "Redis ConnectionFactory"
+ " not being available", false);
}
}
}