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 java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.ambari.server.api.services.AmbariMetaInfo;
  import org.apache.ambari.server.orm.dao.HostVersionDAO;
  import org.apache.ambari.server.orm.dao.RepositoryVersionDAO;
  import org.apache.ambari.server.orm.entities.HostVersionEntity;
  import org.apache.ambari.server.orm.entities.RepoOsEntity;
  import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
  import org.apache.ambari.server.orm.entities.StackEntity;
  import org.apache.ambari.server.orm.models.HostComponentSummary;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.Host;
  import org.apache.ambari.server.state.MaintenanceState;
  import org.apache.ambari.server.state.RepositoryVersionState;
  import org.apache.ambari.server.state.StackId;
  import org.apache.ambari.spi.ClusterInformation;
  import org.apache.ambari.spi.RepositoryType;
  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.Mockito;
  import org.powermock.api.mockito.PowerMockito;
  import org.powermock.core.classloader.annotations.PrepareForTest;
  import org.powermock.modules.junit4.PowerMockRunner;
  
  import com.google.inject.Provider;
  
  /**
   * Unit tests for InstallPackagesCheck
   *
   */
  @RunWith(PowerMockRunner.class)               // Allow mocking static methods
  @PrepareForTest(HostComponentSummary.class)   // This class has a static method that will be mocked
  public class InstallPackagesCheckTest {
    private final Clusters clusters = Mockito.mock(Clusters.class);
  
    private final HostVersionDAO hostVersionDAO = Mockito.mock(HostVersionDAO.class);
    private final RepositoryVersionDAO repositoryVersionDAO = Mockito.mock(RepositoryVersionDAO.class);
    private AmbariMetaInfo ambariMetaInfo = Mockito.mock(AmbariMetaInfo.class);
    private StackId targetStackId = new StackId("HDP", "2.2");
    private String repositoryVersion = "2.2.6.0-1234";
    private String clusterName = "cluster";
  
    final RepositoryVersion m_repositoryVersion = Mockito.mock(RepositoryVersion.class);
    final RepositoryVersionEntity m_repositoryVersionEntity = Mockito.mock(RepositoryVersionEntity.class);
  
    /**
     *
     */
    @Before
    public void setup() throws Exception {
      Mockito.when(m_repositoryVersion.getId()).thenReturn(1L);
      Mockito.when(m_repositoryVersion.getRepositoryType()).thenReturn(RepositoryType.STANDARD);
      Mockito.when(m_repositoryVersion.getStackId()).thenReturn(targetStackId.toString());
      Mockito.when(m_repositoryVersion.getVersion()).thenReturn(repositoryVersion);
  
      Mockito.when(m_repositoryVersionEntity.getType()).thenReturn(RepositoryType.STANDARD);
      Mockito.when(m_repositoryVersionEntity.getVersion()).thenReturn(repositoryVersion);
      Mockito.when(m_repositoryVersionEntity.getStackId()).thenReturn(targetStackId);
    }
  
    @Test
    public void testPerform() throws Exception {
      StackId stackId = new StackId("HDP", "2.2");
      PowerMockito.mockStatic(HostComponentSummary.class);
  
      final InstallPackagesCheck installPackagesCheck = new InstallPackagesCheck();
      installPackagesCheck.clustersProvider = new Provider<Clusters>() {
  
        @Override
        public Clusters get() {
          return clusters;
        }
      };
  
      installPackagesCheck.ambariMetaInfo = new Provider<AmbariMetaInfo>() {
        @Override
        public AmbariMetaInfo get() {
          return ambariMetaInfo;
        }
      };
  
      installPackagesCheck.hostVersionDaoProvider = new Provider<HostVersionDAO>() {
        @Override
        public HostVersionDAO get() {
          return hostVersionDAO;
        }
      };
  
      installPackagesCheck.repositoryVersionDaoProvider = new Provider<RepositoryVersionDAO>() {
        @Override
        public RepositoryVersionDAO get() {
          return repositoryVersionDAO;
        }
      };
      StackEntity stack = new StackEntity();
      stack.setStackName(stackId.getStackName());
      stack.setStackVersion(stackId.getStackVersion());
      List<RepoOsEntity> osEntities = new ArrayList<>();
      RepoOsEntity repoOsEntity = new RepoOsEntity();
      repoOsEntity.setFamily("rhel6");
      repoOsEntity.setAmbariManaged(true);
      osEntities.add(repoOsEntity);
      RepositoryVersionEntity rve = new RepositoryVersionEntity(stack, repositoryVersion, repositoryVersion, osEntities);
      Mockito.when(repositoryVersionDAO.findByStackNameAndVersion(Mockito.anyString(), Mockito.anyString())).thenReturn(rve);
      final Cluster cluster = Mockito.mock(Cluster.class);
      Mockito.when(cluster.getClusterName()).thenReturn(clusterName);
      Mockito.when(cluster.getClusterId()).thenReturn(1L);
  
      Mockito.when(cluster.getCurrentStackVersion()).thenReturn(stackId);
      Mockito.when(clusters.getCluster(clusterName)).thenReturn(cluster);
      final List<String> hostNames = new ArrayList<>();
      hostNames.add("host1");
      hostNames.add("host2");
      hostNames.add("host3");
  
      final List<Host> hosts = new ArrayList<>();
      final List<HostVersionEntity> hostVersionEntities = new ArrayList<>();
      for(String hostName : hostNames) {
        Host host =  Mockito.mock(Host.class);
        Mockito.when(host.getHostName()).thenReturn(hostName);
        Mockito.when(host.getMaintenanceState(1L)).thenReturn(MaintenanceState.OFF);
        hosts.add(host);
        HostVersionEntity hve = Mockito.mock(HostVersionEntity.class);
        Mockito.when(hve.getRepositoryVersion()).thenReturn(rve);
        Mockito.when(hve.getState()).thenReturn(RepositoryVersionState.INSTALLED);
        hostVersionEntities.add(hve);
        Mockito.when(hostVersionDAO.findByHost(hostName)).thenReturn(Collections.singletonList(hve));
      }
      Mockito.when(cluster.getHosts()).thenReturn(hosts);
  
      ClusterInformation clusterInformation = new ClusterInformation("cluster", false, null, null, null);
      UpgradeCheckRequest request = new UpgradeCheckRequest(clusterInformation, UpgradeType.ROLLING,
          m_repositoryVersion, null, null);
  
      // Case 1. Initialize with good values
      UpgradeCheckResult check = installPackagesCheck.perform(request);
      Assert.assertEquals(UpgradeCheckStatus.PASS, check.getStatus());
      Assert.assertTrue(check.getFailedDetail().isEmpty());
  
      // Case 2: Install Packages failed on host1
      Mockito.when(hostVersionEntities.get(0).getState()).thenReturn(RepositoryVersionState.INSTALL_FAILED);
      check = installPackagesCheck.perform(request);
      Assert.assertEquals(UpgradeCheckStatus.FAIL, check.getStatus());
      Assert.assertNotNull(check.getFailedOn());
      Assert.assertTrue(check.getFailedOn().contains("host1"));
      Assert.assertFalse(check.getFailedDetail().isEmpty());
    }
  }
  