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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
   * 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
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  package org.apache.cassandra.distributed.test.streaming;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import org.junit.Test;
  
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.Feature;
  import org.apache.cassandra.distributed.test.TestBaseImpl;
  import org.apache.cassandra.distributed.util.QueryResultUtil;
  import org.apache.cassandra.streaming.StreamManager;
  
  public class StreamingStatsDisabledTest extends TestBaseImpl
  {
      @Test
      public void test() throws IOException
      {
          try (Cluster cluster = init(Cluster.build(2)
                                             .withConfig(c -> c.with(Feature.values()).set("streaming_stats_enabled", false))
                                             .start()))
          {
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.users (user_id varchar, PRIMARY KEY (user_id));"));
              cluster.stream().forEach(i -> i.nodetoolResult("disableautocompaction", KEYSPACE).asserts().success());
  
              long expectedFiles = 10;
              for (int i = 0; i < expectedFiles; i++)
              {
                  cluster.get(1).executeInternal(withKeyspace("insert into %s.users(user_id) values (?)"), "dcapwell" + i);
                  cluster.get(1).flush(KEYSPACE);
              }
  
              cluster.get(2).nodetoolResult("rebuild", "--keyspace", KEYSPACE).asserts().success();
              for (int nodeId : Arrays.asList(1, 2))
                  QueryResultUtil.assertThat(cluster.get(nodeId).executeInternalWithResult("SELECT * FROM system_views.streaming")).isEmpty();
  
              // trigger streaming again
              cluster.get(1).executeInternal(withKeyspace("INSERT INTO %s.users(user_id) VALUES ('trigger streaming')"));
              // mimic JMX
              cluster.get(2).runOnInstance(() -> StreamManager.instance.setStreamingStatsEnabled(true));
              cluster.get(2).nodetoolResult("repair", KEYSPACE).asserts().success();
  
              QueryResultUtil.assertThat(cluster.get(1).executeInternalWithResult("SELECT * FROM system_views.streaming")).isEmpty();
              QueryResultUtil.assertThat(cluster.get(2).executeInternalWithResult("SELECT * FROM system_views.streaming")).hasSize(1);
          }
      }
  }
  