content: /*
   * 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 "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.ambari.server;
  
  import static org.easymock.EasyMock.capture;
  import static org.easymock.EasyMock.createNiceMock;
  import static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.expectLastCall;
  import static org.easymock.EasyMock.replay;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  
  import java.sql.SQLException;
  
  import org.apache.ambari.server.orm.GuiceJpaInitializer;
  import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
  import org.apache.ambari.server.orm.dao.HostVersionDAO;
  import org.apache.ambari.server.orm.dao.ServiceComponentDesiredStateDAO;
  import org.apache.ambari.server.orm.entities.HostVersionEntity;
  import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
  import org.apache.ambari.server.orm.entities.ServiceComponentDesiredStateEntity;
  import org.apache.ambari.server.state.RepositoryVersionState;
  import org.easymock.Capture;
  import org.easymock.EasyMock;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import com.google.common.collect.Lists;
  import com.google.inject.AbstractModule;
  import com.google.inject.Guice;
  import com.google.inject.Injector;
  import com.google.inject.util.Modules;
  
  public class StateRecoveryManagerTest {
  
    private Injector injector;
    private HostVersionDAO hostVersionDAOMock;
    private ServiceComponentDesiredStateDAO serviceComponentDesiredStateDAOMock;
  
    @Before
    public void setup() throws Exception {
      // Create instances of mocks
      hostVersionDAOMock = createNiceMock(HostVersionDAO.class);
      serviceComponentDesiredStateDAOMock = createNiceMock(ServiceComponentDesiredStateDAO.class);
      // Initialize injector
      InMemoryDefaultTestModule module = new InMemoryDefaultTestModule();
      injector = Guice.createInjector(Modules.override(module).with(new MockModule()));
      injector.getInstance(GuiceJpaInitializer.class);
    }
  
    @After
    public void teardown() throws AmbariException, SQLException {
      H2DatabaseCleaner.clearDatabaseAndStopPersistenceService(injector);
    }
  
    @Test
    public void testCheckHostAndClusterVersions() throws Exception {
      StateRecoveryManager stateRecoveryManager = injector.getInstance(StateRecoveryManager.class);
  
      // Adding all possible host version states
  
      final Capture<RepositoryVersionState> installFailedHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> installingHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> installedHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> outOfSyncHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradeFailedHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradingHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradedHostVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> currentHostVersionCapture = EasyMock.newCapture();
  
      expect(hostVersionDAOMock.findAll()).andReturn(Lists.newArrayList(
        getHostVersionMock("install_failed_version", RepositoryVersionState.INSTALL_FAILED, installFailedHostVersionCapture),
        getHostVersionMock("installing_version", RepositoryVersionState.INSTALLING, installingHostVersionCapture),
        getHostVersionMock("installed_version", RepositoryVersionState.INSTALLED, installedHostVersionCapture),
          getHostVersionMock("out_of_sync_version", RepositoryVersionState.OUT_OF_SYNC,
              outOfSyncHostVersionCapture)));
  
      // Adding all possible cluster version states
  
      final Capture<RepositoryVersionState> installFailedClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> installingClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> installedClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> outOfSyncClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradeFailedClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradingClusterVersionCapture = EasyMock.newCapture();
      final Capture<RepositoryVersionState> upgradedClusterVersionCapture = EasyMock.newCapture();
  
      expect(serviceComponentDesiredStateDAOMock.findAll()).andReturn(Lists.newArrayList(
        getDesiredStateEntityMock("install_failed_version", RepositoryVersionState.INSTALL_FAILED, installFailedClusterVersionCapture),
        getDesiredStateEntityMock("installing_version", RepositoryVersionState.INSTALLING, installingClusterVersionCapture),
        getDesiredStateEntityMock("installed_version", RepositoryVersionState.INSTALLED, installedClusterVersionCapture),
          getDesiredStateEntityMock("out_of_sync_version", RepositoryVersionState.OUT_OF_SYNC,
              outOfSyncClusterVersionCapture)));
  
      replay(hostVersionDAOMock, serviceComponentDesiredStateDAOMock);
  
      stateRecoveryManager.checkHostAndClusterVersions();
  
      // Checking that only invalid host version states have been changed
      assertFalse(installFailedHostVersionCapture.hasCaptured());
      assertEquals(installingHostVersionCapture.getValue(), RepositoryVersionState.INSTALL_FAILED);
      assertFalse(installedHostVersionCapture.hasCaptured());
      assertFalse(outOfSyncHostVersionCapture.hasCaptured());
      assertFalse(upgradeFailedHostVersionCapture.hasCaptured());
      assertFalse(upgradingHostVersionCapture.hasCaptured());
      assertFalse(upgradedHostVersionCapture.hasCaptured());
      assertFalse(currentHostVersionCapture.hasCaptured());
  
      // Checking that only invalid cluster version states have been changed
      assertFalse(installFailedClusterVersionCapture.hasCaptured());
      assertEquals(installingClusterVersionCapture.getValue(), RepositoryVersionState.INSTALL_FAILED);
      assertFalse(installedClusterVersionCapture.hasCaptured());
      assertFalse(outOfSyncClusterVersionCapture.hasCaptured());
      assertFalse(upgradeFailedClusterVersionCapture.hasCaptured());
      assertFalse(upgradingClusterVersionCapture.hasCaptured());
      assertFalse(upgradedClusterVersionCapture.hasCaptured());
    }
  
  
    private HostVersionEntity getHostVersionMock(String name, RepositoryVersionState state,
                                                 Capture<RepositoryVersionState> newStateCaptor) {
      HostVersionEntity hvMock = createNiceMock(HostVersionEntity.class);
      expect(hvMock.getState()).andReturn(state);
  
      hvMock.setState(capture(newStateCaptor));
      expectLastCall();
  
      RepositoryVersionEntity rvMock = createNiceMock(RepositoryVersionEntity.class);
      expect(rvMock.getDisplayName()).andReturn(name);
  
      expect(hvMock.getRepositoryVersion()).andReturn(rvMock);
      expect(hvMock.getHostName()).andReturn("somehost");
  
      replay(hvMock, rvMock);
  
      return hvMock;
    }
  
    private ServiceComponentDesiredStateEntity getDesiredStateEntityMock(String name, RepositoryVersionState state, Capture<RepositoryVersionState> newStateCapture) {
  
      ServiceComponentDesiredStateEntity mock = createNiceMock(ServiceComponentDesiredStateEntity.class);
      expect(mock.getRepositoryState()).andReturn(state);
      mock.setRepositoryState(capture(newStateCapture));
      expectLastCall();
  
      RepositoryVersionEntity repositoryVersionMock = createNiceMock(RepositoryVersionEntity.class);
      expect(repositoryVersionMock.getVersion()).andReturn(name);
  
      expect(mock.getDesiredRepositoryVersion()).andReturn(repositoryVersionMock);
  
      replay(mock, repositoryVersionMock);
  
      return mock;
    }
  
  
  
    public class MockModule extends AbstractModule {
      @Override
      protected void configure() {
        bind(HostVersionDAO.class).toInstance(hostVersionDAOMock);
        bind(ServiceComponentDesiredStateDAO.class).toInstance(serviceComponentDesiredStateDAOMock);
      }
    }
  
  }
  