org.springframework.xd.test.redis.RedisAvailableRule.java Source code

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Here is the source code for org.springframework.xd.test.redis.RedisAvailableRule.java

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/*
 * Copyright 2002-2013 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.xd.test.redis;

import static org.junit.Assert.fail;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;

/**
 * @author Gary Russell
 * @since 1.0
 *
 */
public class RedisAvailableRule extends TestWatcher {

    private final static Log logger = LogFactory.getLog(RedisAvailableRule.class);

    @Override
    public Statement apply(Statement base, Description description) {
        LettuceConnectionFactory connectionFactory = null;
        try {
            connectionFactory = new LettuceConnectionFactory();
            connectionFactory.afterPropertiesSet();
            connectionFactory.getConnection().close();
        } catch (Exception e) {
            logger.error("REDIS IS NOT AVAILABLE", e);
            fail("REDIS IS NOT AVAILABLE");
        } finally {
            if (connectionFactory != null) {
                connectionFactory.destroy();
            }
        }
        return super.apply(base, description);
    }

}