/*
* Copyright 2014 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.test.util;
import org.junit.internal.AssumptionViolatedException;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import org.springframework.data.redis.RedisVersionUtils;
import org.springframework.data.redis.SettingsUtils;
import org.springframework.data.redis.Version;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.test.annotation.IfProfileValue;
import org.springframework.util.StringUtils;
/**
* {@link MinimumRedisVersionRule} is a custom {@link TestRule} validating {@literal redisVersion} given in
* {@link IfProfileValue} against used redis server version.
*
* @author Christoph Strobl
* @since 1.4
*/
public class MinimumRedisVersionRule implements TestRule {
private static final String PROFILE_NAME = "redisVersion";
private Version redisVersion;
public MinimumRedisVersionRule() {
this.redisVersion = readServerVersion();
}
private Version readServerVersion() {
LettuceConnectionFactory connectionFactory = new LettuceConnectionFactory();
connectionFactory.setHostName(SettingsUtils.getHost());
connectionFactory.setPort(SettingsUtils.getPort());
connectionFactory.setTimeout(100);
connectionFactory.afterPropertiesSet();
RedisConnection connection = connectionFactory.getConnection();
Version version = Version.UNKNOWN;
try {
version = RedisVersionUtils.getRedisVersion(connection);
connection.close();
} finally {
connectionFactory.destroy();
}
return version;
}
@Override
public Statement apply(final Statement base, Description description) {
IfProfileValue profileValue = description.getAnnotation(IfProfileValue.class);
final String version = (profileValue != null && profileValue.name().equals(PROFILE_NAME)) ? profileValue.value()
: null;
return new Statement() {
@Override
public void evaluate() throws Throwable {
verify(version);
base.evaluate();
}
};
}
protected void verify(String version) throws Throwable {
if (StringUtils.hasText(version)) {
boolean sloppyMatch = version.endsWith("+");
String cleanedVersionString = version.replace("+", "");
Version expected = RedisVersionUtils.parseVersion(cleanedVersionString);
if (sloppyMatch) {
if (redisVersion.compareTo(expected) < 0) {
throw new AssumptionViolatedException("Expected Redis version " + version + " but found " + redisVersion);
}
} else {
if (redisVersion.compareTo(expected) == 0) {
throw new AssumptionViolatedException("Expected Redis version " + version + " but found " + redisVersion);
}
}
}
}
}