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https://issues.apache.org/jira/browse/GEODE-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269703#comment-17269703
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ASF GitHub Bot commented on GEODE-8852:
---------------------------------------
jdeppe-pivotal commented on a change in pull request #5931:
URL: https://github.com/apache/geode/pull/5931#discussion_r562268711
##########
File path:
geode-redis/src/distributedTest/java/org/apache/geode/redis/internal/executor/hash/HvalsDUnitTest.java
##########
@@ -0,0 +1,95 @@
+/*
+ * 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();
+
+ long sumOfBothSequenceSums = (fieldCount / 2) * ((fieldCount - 1) - 0) +
+ (iterations / 2) * ((iterations - 1) - 0);
Review comment:
It's actually meant to be `+ 0` and was intended to help explain how the
value is calculated. Since it's the sum of a sequence, the formula ls `(n / 2)
* (start + end)` for any given sequence of `n` numbers. Admittedly rather an
obscure test but pretty neat thanks to @ringles.
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> Add additional tests for Redis HVALS command
> --------------------------------------------
>
> Key: GEODE-8852
> URL: https://issues.apache.org/jira/browse/GEODE-8852
> Project: Geode
> Issue Type: Test
> Components: redis
> Reporter: Jens Deppe
> Priority: Major
> Labels: pull-request-available
>
> Adding concurrency test as well as additional integration test
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