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.checks;
  
  import static org.mockito.Mockito.mock;
  
  import java.util.Set;
  
  import org.apache.ambari.server.api.services.AmbariMetaInfo;
  import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
  import org.apache.ambari.server.state.CheckHelper;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.repository.VersionDefinitionXml;
  import org.apache.ambari.spi.ClusterInformation;
  import org.apache.ambari.spi.RepositoryVersion;
  import org.apache.ambari.spi.upgrade.UpgradeCheckRequest;
  import org.apache.ambari.spi.upgrade.UpgradeCheckResult;
  import org.apache.ambari.spi.upgrade.UpgradeCheckStatus;
  import org.apache.ambari.spi.upgrade.UpgradeType;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.Mock;
  import org.mockito.Mockito;
  import org.mockito.runners.MockitoJUnitRunner;
  
  import com.google.common.collect.Sets;
  import com.google.inject.Provider;
  
  /**
   * Tests {@link RequiredServicesInRepositoryCheck}.
   */
  @RunWith(MockitoJUnitRunner.class)
  public class RequiredServicesInRepositoryCheckTest {
  
    private static final String CLUSTER_NAME = "c1";
  
    @Mock
    private VersionDefinitionXml m_vdfXml;
  
    @Mock
    private RepositoryVersion m_repositoryVersion;
  
    @Mock
    private RepositoryVersionEntity m_repositoryVersionEntity;
  
    private MockCheckHelper m_checkHelper = new MockCheckHelper();
  
    private RequiredServicesInRepositoryCheck m_requiredServicesCheck;
  
    /**
     * Used to return the missing dependencies for the test.
     */
    private Set<String> m_missingDependencies = Sets.newTreeSet();
  
    @Before
    public void setUp() throws Exception {
      final Clusters clusters = mock(Clusters.class);
      m_requiredServicesCheck = new RequiredServicesInRepositoryCheck();
      m_requiredServicesCheck.clustersProvider = new Provider<Clusters>() {
        @Override
        public Clusters get() {
          return clusters;
        }
      };
  
      final Cluster cluster = Mockito.mock(Cluster.class);
      Mockito.when(clusters.getCluster(CLUSTER_NAME)).thenReturn(cluster);
  
      Mockito.when(m_repositoryVersionEntity.getRepositoryXml()).thenReturn(m_vdfXml);
      Mockito.when(m_vdfXml.getMissingDependencies(Mockito.eq(cluster), Mockito.any(AmbariMetaInfo.class))).thenReturn(m_missingDependencies);
  
  
      m_checkHelper.m_clusters = clusters;
      Mockito.when(m_checkHelper.m_repositoryVersionDAO.findByPK(Mockito.anyLong())).thenReturn(m_repositoryVersionEntity);
  
      final AmbariMetaInfo metaInfo = Mockito.mock(AmbariMetaInfo.class);
      m_requiredServicesCheck.ambariMetaInfo = new Provider<AmbariMetaInfo>() {
        @Override
        public AmbariMetaInfo get() {
          return metaInfo;
        }
      };
  
  
      m_requiredServicesCheck.checkHelperProvider = new Provider<CheckHelper>() {
        @Override
        public CheckHelper get() {
          return m_checkHelper;
        }
      };
    }
  
    /**
     * Tests that a no missing services results in a passed test.
     *
     * @throws Exception
     */
    @Test
    public void testNoMissingServices() throws Exception {
      ClusterInformation clusterInformation = new ClusterInformation(CLUSTER_NAME, false, null, null, null);
      UpgradeCheckRequest request = new UpgradeCheckRequest(clusterInformation, UpgradeType.ROLLING,
          m_repositoryVersion, null, null);
  
      UpgradeCheckResult check = m_requiredServicesCheck.perform(request);
      Assert.assertEquals(UpgradeCheckStatus.PASS, check.getStatus());
      Assert.assertTrue(check.getFailedDetail().isEmpty());
    }
  
    /**
     * Tests that a missing required service causes the test to fail.
     *
     * @throws Exception
     */
    @Test
    public void testMissingRequiredService() throws Exception {
      m_missingDependencies.add("BAR");
  
      ClusterInformation clusterInformation = new ClusterInformation(CLUSTER_NAME, false, null, null, null);
      UpgradeCheckRequest request = new UpgradeCheckRequest(clusterInformation, UpgradeType.ROLLING,
          m_repositoryVersion, null, null);
  
      UpgradeCheckResult check = m_requiredServicesCheck.perform(request);
      Assert.assertEquals(UpgradeCheckStatus.FAIL, check.getStatus());
      Assert.assertFalse(check.getFailedDetail().isEmpty());
    }
  }