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   * 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
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   * See the License for the specific language governing permissions and
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  package org.apache.cassandra.distributed.test;
  
  import java.io.IOException;
  import java.util.concurrent.TimeUnit;
  
  import org.awaitility.Awaitility;
  import org.junit.Test;
  
  import org.apache.cassandra.concurrent.Stage;
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.IMessageFilters;
  import org.apache.cassandra.metrics.StorageMetrics;
  import org.apache.cassandra.utils.concurrent.CountDownLatch;
  
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  import static org.apache.cassandra.net.Verb.MUTATION_REQ;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.junit.Assert.assertTrue;
  
  public class HintsDisabledTest extends TestBaseImpl
  {
      @Test
      public void testHintedHandoffDisabled() throws IOException
      {
          try (Cluster cluster = init(Cluster.build(2)
                                             .withDataDirCount(1)
                                             .withConfig(config -> config.with(NETWORK, GOSSIP)
                                                                         .set("write_request_timeout", "1000ms")
                                                                         .set("hinted_handoff_enabled", false))
                                             .start(), 2))
          {
              String createTableStatement = String.format("CREATE TABLE %s.cf (k text PRIMARY KEY, c1 text) " +
                                                          "WITH compaction = {'class': 'SizeTieredCompactionStrategy', 'enabled': 'false'} ", KEYSPACE);
              cluster.schemaChange(createTableStatement);
  
              CountDownLatch dropped = CountDownLatch.newCountDownLatch(1);
              // Drop all messages from node1 to node2 so hints should be created
              IMessageFilters.Filter drop1to2 = cluster.filters().verbs(MUTATION_REQ.id).messagesMatching((from, to, m) -> {
                  if (from != 1 || to != 2)
                      return false;
                  dropped.decrement();
                  return true;
              }).drop();
  
              cluster.coordinator(1).execute(withKeyspace("INSERT INTO %s.cf (k, c1) VALUES (?, ?) USING TIMESTAMP 1;"),
                                             ConsistencyLevel.ONE,
                                             String.valueOf(1),
                                             String.valueOf(1));
              // make sure the write response handler has completed after a chance to hint
              assertTrue(dropped.awaitUninterruptibly(1, TimeUnit.MINUTES));
              cluster.get(1).runOnInstance(() -> {
                  Awaitility.waitAtMost(1, TimeUnit.MINUTES).until(() -> Stage.INTERNAL_RESPONSE.executor().getPendingTaskCount() == 0);
              });
  
              // Check that no hints were created on node1
              assertThat(cluster.get(1).callOnInstance(() -> Long.valueOf(StorageMetrics.totalHints.getCount()))).isEqualTo(0L);
          }
      }
  }
  