server/src/test/java/org/apache/druid/server/coordinator/duty/KillDatasourceMetadataTest.java

/*
 * 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
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package org.apache.druid.server.coordinator.duty;

import com.google.common.collect.ImmutableSet;
import org.apache.druid.indexing.overlord.IndexerMetadataStorageCoordinator;
import org.apache.druid.metadata.MetadataSupervisorManager;
import org.apache.druid.server.coordinator.DruidCoordinatorRuntimeParams;
import org.apache.druid.server.coordinator.config.MetadataCleanupConfig;
import org.apache.druid.server.coordinator.stats.CoordinatorRunStats;
import org.apache.druid.server.coordinator.stats.Stats;
import org.joda.time.Duration;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentMatchers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;

@RunWith(MockitoJUnitRunner.class)
public class KillDatasourceMetadataTest
{
  @Mock
  private IndexerMetadataStorageCoordinator mockIndexerMetadataStorageCoordinator;

  @Mock
  private MetadataSupervisorManager mockMetadataSupervisorManager;

  @Mock
  private DruidCoordinatorRuntimeParams mockDruidCoordinatorRuntimeParams;

  private KillDatasourceMetadata killDatasourceMetadata;
  private CoordinatorRunStats runStats;

  @Before
  public void setup()
  {
    runStats = new CoordinatorRunStats();
    Mockito.when(mockDruidCoordinatorRuntimeParams.getCoordinatorStats()).thenReturn(runStats);
  }

  @Test
  public void testRunSkipIfLastRunLessThanPeriod()
  {
    final MetadataCleanupConfig config
        = new MetadataCleanupConfig(true, new Duration(Long.MAX_VALUE), new Duration("PT1S"));
    killDatasourceMetadata = new KillDatasourceMetadata(config, mockIndexerMetadataStorageCoordinator, mockMetadataSupervisorManager);
    killDatasourceMetadata.run(mockDruidCoordinatorRuntimeParams);
    Mockito.verifyNoInteractions(mockIndexerMetadataStorageCoordinator);
    Mockito.verifyNoInteractions(mockMetadataSupervisorManager);
  }

  @Test
  public void testRunNotSkipIfLastRunMoreThanPeriod()
  {
    Mockito.when(mockDruidCoordinatorRuntimeParams.getCoordinatorStats()).thenReturn(runStats);

    final MetadataCleanupConfig config
        = new MetadataCleanupConfig(true, new Duration("PT6S"), new Duration("PT1S"));
    killDatasourceMetadata = new KillDatasourceMetadata(
        config,
        mockIndexerMetadataStorageCoordinator,
        mockMetadataSupervisorManager
    );
    killDatasourceMetadata.run(mockDruidCoordinatorRuntimeParams);
    Mockito.verify(mockIndexerMetadataStorageCoordinator).removeDataSourceMetadataOlderThan(ArgumentMatchers.anyLong(), ArgumentMatchers.anySet());
    Assert.assertTrue(runStats.hasStat(Stats.Kill.DATASOURCES));
  }

  @Test
  public void testRunWithEmptyFilterExcludedDatasource()
  {
    final MetadataCleanupConfig config
        = new MetadataCleanupConfig(true, new Duration("PT6S"), new Duration("PT1S"));
    killDatasourceMetadata = new KillDatasourceMetadata(config, mockIndexerMetadataStorageCoordinator, mockMetadataSupervisorManager);
    killDatasourceMetadata.run(mockDruidCoordinatorRuntimeParams);
    Mockito.verify(mockIndexerMetadataStorageCoordinator).removeDataSourceMetadataOlderThan(ArgumentMatchers.anyLong(), ArgumentMatchers.eq(ImmutableSet.of()));
    Assert.assertTrue(runStats.hasStat(Stats.Kill.DATASOURCES));
  }
}