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   * Licensed to the Apache Software Foundation (ASF) under one
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   * 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
   *
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   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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   * See the License for the specific language governing permissions and
   * limitations under the License.
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  package org.apache.cassandra.distributed.test.hostreplacement;
  
  import java.io.IOException;
  
  import org.junit.Test;
  
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.Feature;
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  import org.apache.cassandra.distributed.api.TokenSupplier;
  import org.apache.cassandra.distributed.test.TestBaseImpl;
  
  import static org.apache.cassandra.config.CassandraRelevantProperties.BOOTSTRAP_SCHEMA_DELAY_MS;
  import static org.apache.cassandra.config.CassandraRelevantProperties.BOOTSTRAP_SKIP_SCHEMA_CHECK;
  import static org.apache.cassandra.distributed.shared.ClusterUtils.assertRingState;
  import static org.apache.cassandra.distributed.shared.ClusterUtils.awaitGossipStatus;
  import static org.apache.cassandra.distributed.shared.ClusterUtils.getBroadcastAddressHostWithPortString;
  import static org.apache.cassandra.distributed.shared.ClusterUtils.replaceHostAndStart;
  import static org.apache.cassandra.distributed.test.hostreplacement.HostReplacementTest.setupCluster;
  import static org.assertj.core.api.Assertions.assertThatThrownBy;
  
  public abstract class BaseAssassinatedCase extends TestBaseImpl
  {
      protected static final int SEED_NUM = 1;
      protected static final int NODE_TO_REMOVE_NUM = 2;
      protected static final int PEER_NUM = 3;
  
      abstract void consume(Cluster cluster, IInvokableInstance nodeToRemove);
  
      protected void afterNodeStatusIsLeft(Cluster cluster, IInvokableInstance nodeToRemove)
      {
      }
  
      @Test
      public void test() throws IOException
      {
          TokenSupplier even = TokenSupplier.evenlyDistributedTokens(3);
          try (Cluster cluster = Cluster.build(3)
                                        .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK))
                                        .withTokenSupplier(node -> even.token(node == 4 || node == 5 ? NODE_TO_REMOVE_NUM : node))
                                        .start())
          {
              IInvokableInstance seed = cluster.get(SEED_NUM);
              IInvokableInstance nodeToRemove = cluster.get(NODE_TO_REMOVE_NUM);
              IInvokableInstance peer = cluster.get(PEER_NUM);
  
              setupCluster(cluster);
  
              consume(cluster, nodeToRemove);
  
              assertRingState(seed, nodeToRemove, "Normal");
  
              // assassinate the node
              peer.nodetoolResult("assassinate", getBroadcastAddressHostWithPortString(nodeToRemove))
                  .asserts().success();
  
              // wait until the peer sees this assassination
              awaitGossipStatus(seed, nodeToRemove, "LEFT");
  
              // Any extra checks to run after the node has been as LEFT
              afterNodeStatusIsLeft(cluster, nodeToRemove);
  
              // allow replacing nodes with the LEFT state, this should fail since the token isn't in the ring
              assertThatThrownBy(() ->
                                 replaceHostAndStart(cluster, nodeToRemove, properties -> {
                                     // since there are downed nodes its possible gossip has the downed node with an old schema, so need
                                     // this property to allow startup
                                     properties.set(BOOTSTRAP_SKIP_SCHEMA_CHECK, true);
                                     // since the bootstrap should fail because the token, don't wait "too long" on schema as it doesn't
                                     // matter for this test
                                     properties.set(BOOTSTRAP_SCHEMA_DELAY_MS, 10);
                                 }))
              .hasMessageContaining("Cannot replace node /127.0.0.2:7012 which is not currently joined");
          }
      }
  }
  