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.bifromq.basekv.localengine.rocksdb;
  
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  
  import org.apache.bifromq.basekv.localengine.MockableTest;
  import java.util.stream.IntStream;
  import org.mockito.Mock;
  import org.testng.annotations.Test;
  
  public class RocksDBKVSpaceCompactionTriggerTest extends MockableTest {
      @Mock
      private Runnable compact;
  
      @Test
      public void noCompactTriggered() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          trigger.newRecorder().stop();
          verify(compact, times(0)).run();
      }
  
      @Test
      public void reset() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          IWriteStatsRecorder.IRecorder recorder = trigger.newRecorder();
          IntStream.range(0, 11).forEach(i -> recorder.recordDelete());
          recorder.stop();
          verify(compact, times(1)).run();
          // trigger again before reset
          trigger.newRecorder().stop();
          verify(compact, times(2)).run();
  
          trigger.reset();
          trigger.newRecorder().stop();
          verify(compact, times(2)).run();
      }
  
      @Test
      public void triggeredByMinTombstoneKeys() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          IWriteStatsRecorder.IRecorder recorder = trigger.newRecorder();
          IntStream.range(0, 11).forEach(i -> recorder.recordDelete());
          recorder.stop();
          verify(compact, times(1)).run();
      }
  
      @Test
      public void triggeredByMinTombstoneRanges() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          IWriteStatsRecorder.IRecorder recorder = trigger.newRecorder();
          IntStream.range(0, 11).forEach(i -> recorder.recordDeleteRange());
          recorder.stop();
          verify(compact, times(1)).run();
      }
  
      @Test
      public void triggerByMinTombstoneRatio_put() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          IWriteStatsRecorder.IRecorder recorder = trigger.newRecorder();
          IntStream.range(0, 11).forEach(i -> recorder.recordPut());
          recorder.stop();
          verify(compact, times(1)).run();
      }
  
      @Test
      public void triggerByMinTombstoneRatio_insertAndDelete() {
          RocksDBKVSpaceCompactionTrigger trigger = new RocksDBKVSpaceCompactionTrigger("id", 10, 10, 0.3, compact);
          IWriteStatsRecorder.IRecorder recorder = trigger.newRecorder();
          IntStream.range(0, 11).forEach(i -> recorder.recordDelete());
          IntStream.range(0, 20).forEach(i -> recorder.recordPut());
          recorder.stop();
          verify(compact, times(1)).run();
      }
  }
  