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.updater;
  
  import com.google.common.collect.ImmutableSet;
  
  import org.apache.aurora.common.testing.easymock.EasyMockTest;
  import org.apache.aurora.scheduler.base.InstanceKeys;
  import org.apache.aurora.scheduler.base.JobKeys;
  import org.apache.aurora.scheduler.preemptor.BiCache;
  import org.apache.aurora.scheduler.storage.entities.IInstanceKey;
  import org.apache.aurora.scheduler.updater.UpdateAgentReserver.UpdateAgentReserverImpl;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.expectLastCall;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class UpdateAgentReserverImplTest extends EasyMockTest {
    private UpdateAgentReserver reserver;
    private BiCache<IInstanceKey, String> cache;
  
    private static final String AGENT_ID = "agent";
    private static final IInstanceKey INSTANCE_KEY =
        InstanceKeys.from(JobKeys.from("role", "env", "name"), 1);
  
    @Before
    public void setUp() {
      cache = createMock(new Clazz<BiCache<IInstanceKey, String>>() { });
      reserver = new UpdateAgentReserverImpl(cache);
    }
  
    @Test
    public void testReserve() {
      cache.put(INSTANCE_KEY, AGENT_ID);
      expectLastCall();
      control.replay();
      reserver.reserve(AGENT_ID, INSTANCE_KEY);
    }
  
    @Test
    public void testRelease() {
      cache.remove(INSTANCE_KEY, AGENT_ID);
      expectLastCall();
      control.replay();
      reserver.release(AGENT_ID, INSTANCE_KEY);
    }
  
    @Test
    public void testIsReserved() {
      expect(cache.getByValue(AGENT_ID)).andReturn(ImmutableSet.of(INSTANCE_KEY));
      expect(cache.getByValue(AGENT_ID)).andReturn(ImmutableSet.of());
      control.replay();
      assertTrue(reserver.isReserved(AGENT_ID));
      assertFalse(reserver.isReserved(AGENT_ID));
    }
  }
  