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.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.JobKeys;
  import org.apache.aurora.scheduler.storage.AbstractJobUpdateStoreTest;
  import org.apache.aurora.scheduler.storage.entities.IJobUpdateDetails;
  import org.apache.aurora.scheduler.storage.entities.IJobUpdateKey;
  import org.apache.aurora.scheduler.testing.FakeStatsProvider;
  import org.junit.Test;
  
  import static org.apache.aurora.scheduler.storage.mem.MemJobUpdateStore.UPDATE_STORE_SIZE;
  import static org.junit.Assert.assertEquals;
  
  public class MemJobUpdateStoreTest extends AbstractJobUpdateStoreTest {
  
    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 testStoreSize() {
      IJobUpdateKey updateId1 = makeKey(JobKeys.from("role", "env", "name1"), "u1");
      IJobUpdateKey updateId2 = makeKey(JobKeys.from("role", "env", "name2"), "u2");
  
      IJobUpdateDetails update1 = makeJobUpdate(updateId1);
      IJobUpdateDetails update2 = makeJobUpdate(updateId2);
  
      assertEquals(0L, statsProvider.getLongValue(UPDATE_STORE_SIZE));
      saveUpdate(update1);
      assertEquals(1L, statsProvider.getLongValue(UPDATE_STORE_SIZE));
      saveUpdate(update2);
      assertEquals(2L, statsProvider.getLongValue(UPDATE_STORE_SIZE));
      truncateUpdates();
      assertEquals(0L, statsProvider.getLongValue(UPDATE_STORE_SIZE));
    }
  }
  