content: /**
   * Licensed 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.aurora.scheduler.storage.mem;
  
  import com.google.common.collect.ImmutableSet;
  import com.google.inject.AbstractModule;
  import com.google.inject.Module;
  import com.google.inject.util.Modules;
  
  import org.apache.aurora.common.stats.StatsProvider;
  import org.apache.aurora.scheduler.base.Tasks;
  import org.apache.aurora.scheduler.storage.AbstractTaskStoreTest;
  import org.apache.aurora.scheduler.storage.Storage.MutateWork.NoResult;
  import org.apache.aurora.scheduler.storage.TaskStore;
  import org.apache.aurora.scheduler.testing.FakeStatsProvider;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class MemTaskStoreTest extends AbstractTaskStoreTest {
  
    private FakeStatsProvider statsProvider;
  
    @Override
    protected Module getStorageModule() {
      statsProvider = new FakeStatsProvider();
      return Modules.combine(
          new MemStorageModule(),
          new AbstractModule() {
            @Override
            protected void configure() {
              bind(StatsProvider.class).toInstance(statsProvider);
            }
          });
    }
  
    @Test
    public void testSecondaryIndexConsistency() {
      storage.write((NoResult.Quiet) storeProvider -> {
      // Test for regression of AURORA-1305.
        TaskStore.Mutable taskStore = storeProvider.getUnsafeTaskStore();
        taskStore.saveTasks(ImmutableSet.of(TASK_A));
        taskStore.deleteTasks(Tasks.ids(TASK_A));
        assertEquals(0L, statsProvider.getLongValue(MemTaskStore.getIndexSizeStatName("job")));
      });
    }
  }
  