| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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.apache.geode.redis.internal.executor.hash; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import redis.clients.jedis.Jedis; |
| |
| import org.apache.geode.redis.ConcurrentLoopingThreads; |
| import org.apache.geode.test.awaitility.GeodeAwaitility; |
| import org.apache.geode.test.dunit.rules.MemberVM; |
| import org.apache.geode.test.dunit.rules.RedisClusterStartupRule; |
| |
| public class HvalsDUnitTest { |
| |
| @ClassRule |
| public static RedisClusterStartupRule clusterStartUp = new RedisClusterStartupRule(4); |
| |
| private static final String LOCAL_HOST = "127.0.0.1"; |
| private static final int JEDIS_TIMEOUT = |
| Math.toIntExact(GeodeAwaitility.getTimeout().toMillis()); |
| private static Jedis jedis1; |
| private static Jedis jedis2; |
| private static Jedis jedis3; |
| |
| @BeforeClass |
| public static void classSetup() { |
| MemberVM locator = clusterStartUp.startLocatorVM(0); |
| clusterStartUp.startRedisVM(1, locator.getPort()); |
| clusterStartUp.startRedisVM(2, locator.getPort()); |
| |
| int redisServerPort1 = clusterStartUp.getRedisPort(1); |
| int redisServerPort2 = clusterStartUp.getRedisPort(2); |
| |
| jedis1 = new Jedis(LOCAL_HOST, redisServerPort1, JEDIS_TIMEOUT); |
| jedis2 = new Jedis(LOCAL_HOST, redisServerPort2, JEDIS_TIMEOUT); |
| jedis3 = new Jedis(LOCAL_HOST, redisServerPort1, JEDIS_TIMEOUT); |
| } |
| |
| @Before |
| public void testSetup() { |
| jedis1.flushAll(); |
| } |
| |
| @Test |
| public void hvalsWorks_whileAlsoUpdatingHash() { |
| String key = "key"; |
| int fieldCount = 100; |
| int iterations = 10000; |
| Random rand = new Random(); |
| |
| for (int i = 0; i < fieldCount; i++) { |
| jedis1.hset(key, "field-" + i, "" + i); |
| } |
| |
| new ConcurrentLoopingThreads(iterations, |
| (i) -> { |
| int x = rand.nextInt(fieldCount); |
| String field = "field-" + x; |
| String currentValue = jedis1.hget(key, field); |
| jedis1.hset(key, field, "" + (Long.parseLong(currentValue) + i)); |
| }, |
| (i) -> assertThat(jedis2.hvals(key)).hasSize(fieldCount), |
| (i) -> assertThat(jedis3.hvals(key)).hasSize(fieldCount)) |
| .run(); |
| |
| List<String> values = jedis1.hvals(key); |
| long finalTotal = values.stream().mapToLong(Long::valueOf).sum(); |
| |
| // Spell out the formula for a sum of an arithmetic sequence which is: (n / 2) * (start + end) |
| long sumOfBothSequenceSums = (fieldCount / 2) * ((fieldCount - 1) + 0) + |
| (iterations / 2) * ((iterations - 1) + 0); |
| assertThat(finalTotal).isEqualTo(sumOfBothSequenceSums); |
| } |
| |
| } |