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 com.cloud.dc.dao;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.any;
  import static org.mockito.Mockito.doReturn;
  import static org.mockito.Mockito.isNull;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.InjectMocks;
  import org.mockito.Spy;
  import org.mockito.junit.MockitoJUnitRunner;
  
  import com.cloud.cpu.CPU;
  import com.cloud.dc.ClusterVO;
  import com.cloud.hypervisor.Hypervisor;
  import com.cloud.utils.Pair;
  import com.cloud.utils.db.GenericSearchBuilder;
  import com.cloud.utils.db.SearchBuilder;
  import com.cloud.utils.db.SearchCriteria;
  
  @RunWith(MockitoJUnitRunner.class)
  public class ClusterDaoImplTest {
      @Spy
      @InjectMocks
      ClusterDaoImpl clusterDao = new ClusterDaoImpl();
  
      private GenericSearchBuilder<ClusterVO, Long> genericSearchBuilder;
  
      @Before
      public void setUp() {
          genericSearchBuilder = mock(SearchBuilder.class);
          ClusterVO entityVO = mock(ClusterVO.class);
          when(genericSearchBuilder.entity()).thenReturn(entityVO);
          doReturn(genericSearchBuilder).when(clusterDao).createSearchBuilder(Long.class);
      }
  
      @Test
      public void testListAllIds() {
          List<Long> mockIds = Arrays.asList(1L, 2L, 3L);
          doReturn(mockIds).when(clusterDao).customSearch(any(), isNull());
          List<Long> result = clusterDao.listAllIds();
          verify(clusterDao).customSearch(genericSearchBuilder.create(), null);
          assertEquals(3, result.size());
          assertEquals(Long.valueOf(1L), result.get(0));
          assertEquals(Long.valueOf(2L), result.get(1));
          assertEquals(Long.valueOf(3L), result.get(2));
      }
  
      @Test
      public void testListAllIdsEmptyResult() {
          doReturn(Collections.emptyList()).when(clusterDao).customSearch(any(), isNull());
          List<Long> result = clusterDao.listAllIds();
          verify(clusterDao).customSearch(genericSearchBuilder.create(), null);
          assertTrue(result.isEmpty());
      }
  
      @Test
      public void listDistinctHypervisorsArchAcrossClusters_WithZone() {
          Long zoneId = 123L;
          ClusterVO cluster1 = mock(ClusterVO.class);
          when(cluster1.getHypervisorType()).thenReturn(Hypervisor.HypervisorType.XenServer);
          when(cluster1.getArch()).thenReturn(CPU.CPUArch.amd64);
          ClusterVO cluster2 = mock(ClusterVO.class);
          when(cluster2.getHypervisorType()).thenReturn(Hypervisor.HypervisorType.KVM);
          when(cluster2.getArch()).thenReturn(CPU.CPUArch.arm64);
          List<ClusterVO> dummyHosts = Arrays.asList(cluster1, cluster2);
          doReturn(dummyHosts).when(clusterDao).search(any(SearchCriteria.class), isNull());
          List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> result = clusterDao.listDistinctHypervisorsAndArchExcludingExternalType(zoneId);
          assertNotNull(result);
          assertEquals(2, result.size());
          assertEquals(Hypervisor.HypervisorType.XenServer, result.get(0).first());
          assertEquals(CPU.CPUArch.amd64, result.get(0).second());
          assertEquals(Hypervisor.HypervisorType.KVM, result.get(1).first());
          assertEquals(CPU.CPUArch.arm64, result.get(1).second());
      }
  
      @Test
      public void listDistinctHypervisorsArchAcrossClusters_WithoutZone() {
          Long zoneId = null;
          ClusterVO cluster = mock(ClusterVO.class);
          when(cluster.getHypervisorType()).thenReturn(Hypervisor.HypervisorType.VMware);
          when(cluster.getArch()).thenReturn(CPU.CPUArch.amd64);
          List<ClusterVO> dummyHosts = Collections.singletonList(cluster);
          doReturn(dummyHosts).when(clusterDao).search(any(SearchCriteria.class), isNull());
          List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> result = clusterDao.listDistinctHypervisorsAndArchExcludingExternalType(zoneId);
          assertNotNull(result);
          assertEquals(1, result.size());
          assertEquals(Hypervisor.HypervisorType.VMware, result.get(0).first());
          assertEquals(CPU.CPUArch.amd64, result.get(0).second());
      }
  }
  