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.host;
  
  import com.cloud.offering.ServiceOffering;
  import com.cloud.service.ServiceOfferingVO;
  import com.cloud.template.VirtualMachineTemplate;
  import com.cloud.vm.VirtualMachine;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Set;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class HostVOTest {
      HostVO host;
      ServiceOfferingVO offering;
  
      @Before
      public void setUp() throws Exception {
          host = new HostVO();
          offering = new ServiceOfferingVO("TestSO", 0, 0, 0, 0, 0,
                  false, "TestSO", false, VirtualMachine.Type.User, false);
      }
  
      @Test
      public void testNoSO() {
          assertFalse(host.checkHostServiceOfferingTags(null));
      }
  
      @Test
      public void testNoTag() {
          assertTrue(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void testRightTag() {
          host.setHostTags(Arrays.asList("tag1", "tag2"), false);
          offering.setHostTag("tag2,tag1");
          assertTrue(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void testWrongTag() {
          host.setHostTags(Arrays.asList("tag1", "tag2"), false);
          offering.setHostTag("tag2,tag4");
          assertFalse(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void checkHostServiceOfferingTagsTestRuleTagWithServiceTagThatMatches() {
          host.setHostTags(List.of("tags[0] == 'A'"), true);
          offering.setHostTag("A");
          assertTrue(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void checkHostServiceOfferingTagsTestRuleTagWithServiceTagThatDoesNotMatch() {
          host.setHostTags(List.of("tags[0] == 'A'"), true);
          offering.setHostTag("B");
          assertFalse(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void checkHostServiceOfferingTagsTestRuleTagWithNullServiceTag() {
          host.setHostTags(List.of("tags[0] == 'A'"), true);
          offering.setHostTag(null);
          assertFalse(host.checkHostServiceOfferingTags(offering));
      }
  
      @Test
      public void testEitherNoSOOrTemplate() {
          assertFalse(host.checkHostServiceOfferingAndTemplateTags(null, Mockito.mock(VirtualMachineTemplate.class), null));
          assertFalse(host.checkHostServiceOfferingAndTemplateTags(Mockito.mock(ServiceOffering.class), null, null));
      }
  
      @Test
      public void testNoTagOfferingTemplate() {
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, Mockito.mock(VirtualMachineTemplate.class), Collections.emptySet()));
          assertTrue(host.getHostServiceOfferingAndTemplateMissingTags(offering, Mockito.mock(VirtualMachineTemplate.class), Collections.emptySet()).isEmpty());
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, Mockito.mock(VirtualMachineTemplate.class), Set.of("tag1", "tag2")));
          assertTrue(host.getHostServiceOfferingAndTemplateMissingTags(offering, Mockito.mock(VirtualMachineTemplate.class), Set.of("tag1", "tag2")).isEmpty());
      }
  
      @Test
      public void testRightTagOfferingTemplate() {
          host.setHostTags(Arrays.asList("tag1", "tag2"), false);
          offering.setHostTag("tag2,tag1");
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, Mockito.mock(VirtualMachineTemplate.class), Set.of("tag1")));
          Set<String> actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, Mockito.mock(VirtualMachineTemplate.class), Set.of("tag1"));
          assertTrue(actualMissingTags.isEmpty());
  
          host.setHostTags(Arrays.asList("tag1", "tag2", "tag3"), false);
          offering.setHostTag("tag2,tag1");
          VirtualMachineTemplate template = Mockito.mock(VirtualMachineTemplate.class);
          Mockito.when(template.getTemplateTag()).thenReturn("tag3");
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, template, Set.of("tag2", "tag3")));
          actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, template, Set.of("tag2", "tag3"));
          assertTrue(actualMissingTags.isEmpty());
          host.setHostTags(List.of("tag3"), false);
          offering.setHostTag(null);
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, template, Set.of("tag3")));
          actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, template, Set.of("tag3"));
          assertTrue(actualMissingTags.isEmpty());
  
          assertTrue(host.checkHostServiceOfferingAndTemplateTags(offering, template, Set.of("tag2", "tag1")));
          actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, template, Set.of("tag2", "tag1"));
          assertTrue(actualMissingTags.isEmpty());
      }
  
      @Test
      public void testWrongOfferingTag() {
          host.setHostTags(Arrays.asList("tag1", "tag2"), false);
          offering.setHostTag("tag2,tag4");
          VirtualMachineTemplate template = Mockito.mock(VirtualMachineTemplate.class);
          Mockito.when(template.getTemplateTag()).thenReturn("tag1");
          assertFalse(host.checkHostServiceOfferingAndTemplateTags(offering, template, Set.of("tag1", "tag2", "tag3", "tag4")));
          Set<String> actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, template, Set.of("tag1", "tag2", "tag3", "tag4"));
          assertEquals(Set.of("tag4"), actualMissingTags);
  
          offering.setHostTag("tag1,tag2");
          template = Mockito.mock(VirtualMachineTemplate.class);
          Mockito.when(template.getTemplateTag()).thenReturn("tag3");
          actualMissingTags = host.getHostServiceOfferingAndTemplateMissingTags(offering, template, Set.of("tag1", "tag2", "tag3", "tag4"));
          assertFalse(host.checkHostServiceOfferingAndTemplateTags(offering, template, Set.of("tag1", "tag2", "tag3", "tag4")));
          assertEquals(Set.of("tag3"), actualMissingTags);
      }
  }
  