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.http;
  
  import java.util.Map;
  
  import com.google.common.collect.ImmutableList;
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.ImmutableSet;
  
  import org.apache.aurora.gen.HostAttributes;
  import org.apache.aurora.gen.MaintenanceMode;
  import org.apache.aurora.gen.ScheduleStatus;
  import org.apache.aurora.gen.ScheduledTask;
  import org.apache.aurora.scheduler.base.TaskTestUtil;
  import org.apache.aurora.scheduler.storage.Storage;
  import org.apache.aurora.scheduler.storage.Storage.MutateWork.NoResult.Quiet;
  import org.apache.aurora.scheduler.storage.entities.IHostAttributes;
  import org.apache.aurora.scheduler.storage.entities.IScheduledTask;
  import org.apache.aurora.scheduler.storage.mem.MemStorageModule;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.apache.aurora.gen.MaintenanceMode.DRAINED;
  import static org.apache.aurora.gen.MaintenanceMode.DRAINING;
  import static org.apache.aurora.gen.MaintenanceMode.SCHEDULED;
  import static org.junit.Assert.assertEquals;
  
  public class MaintenanceTest {
  
    private Storage storage;
    private Maintenance maintenance;
  
    @Before
    public void setUp() {
      storage = MemStorageModule.newEmptyStorage();
      maintenance = new Maintenance(storage);
    }
  
    @Test
    public void testNoDrainingHosts() {
      // Test for regression of AURORA-1652.
  
      storage.write((Quiet) storeProvider -> {
        ScheduledTask pending = TaskTestUtil.makeTask("a", TaskTestUtil.JOB)
            .newBuilder()
            .setStatus(ScheduleStatus.PENDING);
  
        storeProvider.getAttributeStore().saveHostAttributes(IHostAttributes.build(
            new HostAttributes()
                .setHost("b")
                .setSlaveId("b")
                .setMode(MaintenanceMode.NONE)
        ));
        ScheduledTask assigned = TaskTestUtil.makeTask("b", TaskTestUtil.JOB)
            .newBuilder()
            .setStatus(ScheduleStatus.ASSIGNED);
        assigned.getAssignedTask()
            .setInstanceId(0)
            .setSlaveHost("b")
            .setSlaveId("b");
  
        storeProvider.getUnsafeTaskStore().saveTasks(
            IScheduledTask.setFromBuilders(ImmutableList.of(pending, assigned)));
      });
  
      @SuppressWarnings("unchecked")
      Map<MaintenanceMode, Object> result =
          (Map<MaintenanceMode, Object>) maintenance.getHosts().getEntity();
  
      assertEquals(ImmutableSet.of(), result.get(SCHEDULED));
      assertEquals(ImmutableSet.of(), result.get(DRAINED));
      assertEquals(ImmutableMap.of(), result.get(DRAINING));
    }
  }
  