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https://issues.apache.org/jira/browse/GEODE-8867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17273043#comment-17273043
]
ASF GitHub Bot commented on GEODE-8867:
---------------------------------------
sabbey37 commented on a change in pull request #5955:
URL: https://github.com/apache/geode/pull/5955#discussion_r565504360
##########
File path:
geode-redis/src/distributedTest/java/org/apache/geode/redis/internal/executor/hash/HlenDUnitTest.java
##########
@@ -0,0 +1,170 @@
+/*
+ * 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.apache.geode.distributed.ConfigurationProperties.REDIS_PORT;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicLong;
+
+import io.lettuce.core.ClientOptions;
+import io.lettuce.core.RedisClient;
+import io.lettuce.core.api.StatefulRedisConnection;
+import io.lettuce.core.api.sync.RedisCommands;
+import io.lettuce.core.resource.ClientResources;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.ClassRule;
+import org.junit.Test;
+
+import org.apache.geode.internal.AvailablePortHelper;
+import org.apache.geode.redis.ConcurrentLoopingThreads;
+import
org.apache.geode.redis.session.springRedisTestApplication.config.DUnitSocketAddressResolver;
+import org.apache.geode.test.dunit.rules.MemberVM;
+import org.apache.geode.test.dunit.rules.RedisClusterStartupRule;
+import org.apache.geode.test.junit.rules.ExecutorServiceRule;
+
+public class HlenDUnitTest {
+
+ @ClassRule
+ public static RedisClusterStartupRule cluster = new
RedisClusterStartupRule();
+
+ @ClassRule
+ public static ExecutorServiceRule executor = new ExecutorServiceRule();
+
+ private static final int HASH_SIZE = 5000;
+ private static final int NUM_ITERATIONS = 50000;
+ private static MemberVM locator;
+ private static MemberVM server1;
+ private static MemberVM server2;
+ private static int[] redisPorts;
+ private static RedisCommands<String, String> lettuce;
+ private static StatefulRedisConnection<String, String> connection;
+ private static ClientResources resources;
+
+ @BeforeClass
+ public static void classSetup() {
+ redisPorts = AvailablePortHelper.getRandomAvailableTCPPorts(3);
+
+ String redisPort1 = String.valueOf(redisPorts[0]);
+ String redisPort2 = String.valueOf(redisPorts[1]);
+
+ locator = cluster.startLocatorVM(0);
+
+ server1 = startRedisVM(1, redisPorts[0]);
+ server2 = startRedisVM(2, redisPorts[1]);
+
+ DUnitSocketAddressResolver dnsResolver =
+ new DUnitSocketAddressResolver(new String[] {redisPort2, redisPort1});
+
+ resources =
ClientResources.builder().socketAddressResolver(dnsResolver).build();
+
+ RedisClient redisClient = RedisClient.create(resources,
"redis://localhost");
+
redisClient.setOptions(ClientOptions.builder().autoReconnect(true).build());
+
+ connection = redisClient.connect();
+ lettuce = connection.sync();
+ }
+
+ private static MemberVM startRedisVM(int vmID, int redisPort) {
+ int locatorPort = locator.getPort();
+
+ return cluster.startRedisVM(vmID, (x) -> x
+ .withConnectionToLocator(locatorPort)
+ .withProperty(REDIS_PORT, "" + redisPort));
+ }
+
+ @Before
+ public void testSetup() {
+ lettuce.flushall();
+ }
+
+ @AfterClass
+ public static void tearDown() throws Exception {
+ resources.shutdown().get();
+ connection.close();
+
+ server1.stop();
+ server2.stop();
+ }
+
+ @Test
+ public void testConcurrentHLens_returnExpectedLength() {
+ AtomicLong client1Len = new AtomicLong();
+ AtomicLong client2Len = new AtomicLong();
+
+ String key = "HLEN";
+
+ Map<String, String> setUpData = makeInitialHashMap(HASH_SIZE, "field",
"value");
+
+ lettuce.hset(key, setUpData);
+
+ new ConcurrentLoopingThreads(NUM_ITERATIONS,
+ i -> {
+ long len = lettuce.hlen(key);
+ client1Len.addAndGet(len);
+ },
+ i -> {
+ long len = lettuce.hlen(key);
+ client2Len.addAndGet(len);
+ })
+ .run();
+
+ assertThat(client1Len.get() + client2Len.get()).isEqualTo(NUM_ITERATIONS *
HASH_SIZE * 2);
+ }
+
+ @Test
+ public void testConcurrentHLen_whileAddingFields() {
Review comment:
I was just thinking, is there value to adding a concurrent HLEN test
while deleting fields as well?
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> Unit/Integration/multi-node concurrency (Dunit) tests for **HLEN** command
> --------------------------------------------------------------------------
>
> Key: GEODE-8867
> URL: https://issues.apache.org/jira/browse/GEODE-8867
> Project: Geode
> Issue Type: Test
> Components: redis
> Reporter: Helena Bales
> Assignee: Helena Bales
> Priority: Major
> Labels: pull-request-available
>
> Write unit and integration tests.
> Write dunit tests, to launch multi-node clusters, which test multiple
> concurrent clients accessing different servers for the following command:
> HLEN
> A.C.
> Tests are passing, and README/redis_api_for_geode.html.md.erb updated to
> make command "supported", or
> Stories in the backlog to fix the identified issues (with JIRA tickets)
> and problem tests ignored
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