content: /*
   * 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.cassandra.distributed.test;
  
  import java.util.function.Consumer;
  
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import accord.utils.Invariants;
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.IInstanceConfig;
  
  public class IntegrationTestBase extends TestBaseImpl
  {
      protected static final Logger logger = LoggerFactory.getLogger(IntegrationTestBase.class);
      protected static Cluster cluster;
  
      private static boolean initialized = false;
  
      @BeforeClass
      public static void before() throws Throwable
      {
          init(1, defaultConfig());
      }
  
      protected static void init(int nodes, Consumer<IInstanceConfig> cfg) throws Throwable
      {
          Invariants.require(!initialized);
          cluster = Cluster.build()
                           .withNodes(nodes)
                           .withConfig(cfg)
                           .createWithoutStarting();
          cluster.startup();
          cluster = init(cluster);
          initialized = true;
      }
  
      @AfterClass
      public static void afterClass()
      {
          if (cluster != null)
              cluster.close();
      }
  
      // TODO: meta-randomize this
      public static Consumer<IInstanceConfig> defaultConfig()
      {
          return (cfg) -> {
              cfg.set("row_cache_size", "50MiB")
                 .set("index_summary_capacity", "50MiB")
                 .set("counter_cache_size", "50MiB")
                 .set("key_cache_size", "50MiB")
                 .set("file_cache_size", "50MiB")
                 .set("index_summary_capacity", "50MiB")
                 .set("memtable_heap_space", "128MiB")
                 .set("memtable_offheap_space", "128MiB")
                 .set("memtable_flush_writers", 1)
                 .set("concurrent_compactors", 1)
                 .set("concurrent_reads", 5)
                 .set("concurrent_writes", 5)
                 .set("compaction_throughput_mb_per_sec", 10)
                 .set("hinted_handoff_enabled", false);
          };
      }
  
  }