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.controller.internal;
  
  import static org.apache.ambari.server.controller.AmbariManagementControllerImpl.CLUSTER_PHASE_INITIAL_INSTALL;
  import static org.apache.ambari.server.controller.AmbariManagementControllerImpl.CLUSTER_PHASE_PROPERTY;
  import static org.apache.ambari.server.controller.internal.HostComponentResourceProvider.ALL_COMPONENTS;
  import static org.apache.ambari.server.controller.internal.HostComponentResourceProvider.shouldSkipInstallTaskForComponent;
  import static org.easymock.EasyMock.createMock;
  import static org.easymock.EasyMock.createNiceMock;
  import static org.easymock.EasyMock.eq;
  import static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.replay;
  import static org.easymock.EasyMock.verify;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import java.lang.reflect.Field;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.LinkedHashMap;
  import java.util.LinkedHashSet;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.controller.AmbariManagementController;
  import org.apache.ambari.server.controller.MaintenanceStateHelper;
  import org.apache.ambari.server.controller.RequestStatusResponse;
  import org.apache.ambari.server.controller.ResourceProviderFactory;
  import org.apache.ambari.server.controller.ServiceComponentHostRequest;
  import org.apache.ambari.server.controller.ServiceComponentHostResponse;
  import org.apache.ambari.server.controller.spi.NoSuchResourceException;
  import org.apache.ambari.server.controller.spi.Predicate;
  import org.apache.ambari.server.controller.spi.Request;
  import org.apache.ambari.server.controller.spi.RequestStatus;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.controller.spi.ResourceProvider;
  import org.apache.ambari.server.controller.utilities.PredicateBuilder;
  import org.apache.ambari.server.controller.utilities.PropertyHelper;
  import org.apache.ambari.server.orm.dao.HostVersionDAO;
  import org.apache.ambari.server.security.TestAuthenticationFactory;
  import org.apache.ambari.server.security.authorization.AuthorizationException;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.Service;
  import org.apache.ambari.server.state.ServiceComponent;
  import org.apache.ambari.server.state.ServiceComponentHost;
  import org.apache.ambari.server.state.StackId;
  import org.apache.ambari.server.state.State;
  import org.apache.ambari.server.state.UpgradeState;
  import org.easymock.EasyMock;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.springframework.security.core.Authentication;
  import org.springframework.security.core.context.SecurityContextHolder;
  
  import com.google.inject.Injector;
  
  /**
   * HostComponentResourceProvider tests.
   */
  public class HostComponentResourceProviderTest {
    @Before
    public void clearAuthentication() {
      SecurityContextHolder.getContext().setAuthentication(null);
    }
  
    @Test
    public void testCreateResourcesAsAdministrator() throws Exception {
      testCreateResources(TestAuthenticationFactory.createAdministrator());
    }
  
    @Test
    public void testCreateResourcesAsClusterAdministrator() throws Exception {
      testCreateResources(TestAuthenticationFactory.createClusterAdministrator());
    }
  
    @Test(expected = AuthorizationException.class)
    public void testCreateResourcesAsServiceAdministrator() throws Exception {
      testCreateResources(TestAuthenticationFactory.createServiceAdministrator());
    }
  
    private void testCreateResources(Authentication authentication) throws Exception {
      Resource.Type type = Resource.Type.HostComponent;
  
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      RequestStatusResponse response = createNiceMock(RequestStatusResponse.class);
      ResourceProviderFactory resourceProviderFactory = createNiceMock(ResourceProviderFactory.class);
      Injector injector = createNiceMock(Injector.class);
      HostComponentResourceProvider hostComponentResourceProvider =
          new HostComponentResourceProvider(managementController);
  
      AbstractControllerResourceProvider.init(resourceProviderFactory);
  
      managementController.createHostComponents(
          AbstractResourceProviderTest.Matcher.getHostComponentRequestSet(
              "Cluster100", "Service100", "Component100", "Host100", null, null));
  
      expect(resourceProviderFactory.getHostComponentResourceProvider(
          eq(managementController))).
          andReturn(hostComponentResourceProvider).anyTimes();
  
  
      // replay
      replay(managementController, response, resourceProviderFactory);
  
      SecurityContextHolder.getContext().setAuthentication(authentication);
  
      ResourceProvider provider = AbstractControllerResourceProvider.getResourceProvider(
          type,
          managementController);
  
      // add the property map to a set for the request.  add more maps for multiple creates
      Set<Map<String, Object>> propertySet = new LinkedHashSet<>();
  
      // Service 1: create a map of properties for the request
      Map<String, Object> properties = new LinkedHashMap<>();
  
      // add properties to the request map
      properties.put(HostComponentResourceProvider.CLUSTER_NAME, "Cluster100");
      properties.put(HostComponentResourceProvider.SERVICE_NAME, "Service100");
      properties.put(HostComponentResourceProvider.COMPONENT_NAME, "Component100");
      properties.put(HostComponentResourceProvider.HOST_NAME, "Host100");
  
      propertySet.add(properties);
  
      // create the request
      Request request = PropertyHelper.getCreateRequest(propertySet, null);
  
      provider.createResources(request);
  
      // verify
      verify(managementController, response, resourceProviderFactory);
    }
  
    @Test
    public void testGetResourcesAsAdministrator() throws Exception {
      testGetResources(TestAuthenticationFactory.createAdministrator());
    }
  
    @Test
    public void testGetResourcesAsClusterAdministrator() throws Exception {
      testGetResources(TestAuthenticationFactory.createClusterAdministrator());
    }
  
    @Test
    public void testGetResourcesAsServiceAdministrator() throws Exception {
      testGetResources(TestAuthenticationFactory.createServiceAdministrator());
    }
  
    private void testGetResources(Authentication authentication) throws Exception {
      Resource.Type type = Resource.Type.HostComponent;
  
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      ResourceProviderFactory resourceProviderFactory = createNiceMock(ResourceProviderFactory.class);
      ResourceProvider hostComponentResourceProvider = createNiceMock(HostComponentResourceProvider.class);
  
      AbstractControllerResourceProvider.init(resourceProviderFactory);
  
      Set<ServiceComponentHostResponse> allResponse = new HashSet<>();
      StackId stackId = new StackId("HDP-0.1");
      StackId stackId2 = new StackId("HDP-0.2");
  
      String repositoryVersion2 = "0.2-1234";
  
      allResponse.add(new ServiceComponentHostResponse(
          "Cluster100", "Service100", "Component100", "Component 100", "Host100", "Host100",
          State.INSTALLED.toString(), stackId.getStackId(), State.STARTED.toString(),
          stackId2.getStackId(), repositoryVersion2, null));
  
      allResponse.add(new ServiceComponentHostResponse(
          "Cluster100", "Service100", "Component101", "Component 101", "Host100", "Host100",
          State.INSTALLED.toString(), stackId.getStackId(), State.STARTED.toString(),
          stackId2.getStackId(), repositoryVersion2, null));
  
      allResponse.add(new ServiceComponentHostResponse(
          "Cluster100", "Service100", "Component102", "Component 102", "Host100", "Host100",
          State.INSTALLED.toString(), stackId.getStackId(), State.STARTED.toString(),
          stackId2.getStackId(), repositoryVersion2, null));
  
      Map<String, String> expectedNameValues = new HashMap<>();
      expectedNameValues.put(
          HostComponentResourceProvider.CLUSTER_NAME, "Cluster100");
      expectedNameValues.put(
          HostComponentResourceProvider.STATE, State.INSTALLED.toString());
      expectedNameValues.put(
          HostComponentResourceProvider.VERSION, repositoryVersion2);
      expectedNameValues.put(
          HostComponentResourceProvider.DESIRED_REPOSITORY_VERSION, repositoryVersion2);
      expectedNameValues.put(
          HostComponentResourceProvider.DESIRED_STATE, State.STARTED.toString());
      expectedNameValues.put(
          HostComponentResourceProvider.DESIRED_STACK_ID, stackId2.getStackId());
      expectedNameValues.put(
          HostComponentResourceProvider.UPGRADE_STATE, UpgradeState.NONE.name());
  
  
      // set expectations
      expect(resourceProviderFactory.getHostComponentResourceProvider(
          eq(managementController))).
          andReturn(hostComponentResourceProvider).anyTimes();
  
      Set<String> propertyIds = new HashSet<>();
  
      propertyIds.add(HostComponentResourceProvider.CLUSTER_NAME);
      propertyIds.add(HostComponentResourceProvider.COMPONENT_NAME);
      propertyIds.add(HostComponentResourceProvider.STATE);
      propertyIds.add(HostComponentResourceProvider.VERSION);
      propertyIds.add(HostComponentResourceProvider.DESIRED_REPOSITORY_VERSION);
      propertyIds.add(HostComponentResourceProvider.DESIRED_STATE);
      propertyIds.add(HostComponentResourceProvider.DESIRED_STACK_ID);
  
      Predicate predicate = new PredicateBuilder().property(
          HostComponentResourceProvider.CLUSTER_NAME).equals("Cluster100").toPredicate();
      Request request = PropertyHelper.getReadRequest(propertyIds);
  
      Set<Resource> hostsComponentResources = new HashSet<>();
  
      Resource hostsComponentResource1 = new ResourceImpl(Resource.Type.HostComponent);
      hostsComponentResource1.setProperty(HostComponentResourceProvider.CLUSTER_NAME, "Cluster100");
      hostsComponentResource1.setProperty(HostComponentResourceProvider.HOST_NAME, "Host100");
      hostsComponentResource1.setProperty(HostComponentResourceProvider.SERVICE_NAME, "Service100");
      hostsComponentResource1.setProperty(HostComponentResourceProvider.COMPONENT_NAME, "Component100");
      hostsComponentResource1.setProperty(HostComponentResourceProvider.STATE, State.INSTALLED.name());
      hostsComponentResource1.setProperty(HostComponentResourceProvider.DESIRED_STATE, State.STARTED.name());
      hostsComponentResource1.setProperty(
          HostComponentResourceProvider.VERSION, repositoryVersion2);
      hostsComponentResource1.setProperty(HostComponentResourceProvider.DESIRED_STACK_ID, stackId2.getStackId());
      hostsComponentResource1.setProperty(HostComponentResourceProvider.UPGRADE_STATE, UpgradeState.NONE.name());
      hostsComponentResource1.setProperty(HostComponentResourceProvider.DESIRED_REPOSITORY_VERSION, repositoryVersion2);
  
      Resource hostsComponentResource2 = new ResourceImpl(Resource.Type.HostComponent);
      hostsComponentResource2.setProperty(HostComponentResourceProvider.CLUSTER_NAME, "Cluster100");
      hostsComponentResource2.setProperty(HostComponentResourceProvider.HOST_NAME, "Host100");
      hostsComponentResource2.setProperty(HostComponentResourceProvider.SERVICE_NAME, "Service100");
      hostsComponentResource2.setProperty(HostComponentResourceProvider.COMPONENT_NAME, "Component101");
      hostsComponentResource2.setProperty(HostComponentResourceProvider.STATE, State.INSTALLED.name());
      hostsComponentResource2.setProperty(HostComponentResourceProvider.DESIRED_STATE, State.STARTED.name());
      hostsComponentResource2.setProperty(
          HostComponentResourceProvider.VERSION, repositoryVersion2);
      hostsComponentResource2.setProperty(HostComponentResourceProvider.DESIRED_STACK_ID, stackId2.getStackId());
      hostsComponentResource2.setProperty(HostComponentResourceProvider.UPGRADE_STATE, UpgradeState.NONE.name());
      hostsComponentResource2.setProperty(HostComponentResourceProvider.DESIRED_REPOSITORY_VERSION, repositoryVersion2);
  
      Resource hostsComponentResource3 = new ResourceImpl(Resource.Type.HostComponent);
      hostsComponentResource3.setProperty(HostComponentResourceProvider.CLUSTER_NAME, "Cluster100");
      hostsComponentResource3.setProperty(HostComponentResourceProvider.HOST_NAME, "Host100");
      hostsComponentResource3.setProperty(HostComponentResourceProvider.SERVICE_NAME, "Service100");
      hostsComponentResource3.setProperty(HostComponentResourceProvider.COMPONENT_NAME, "Component102");
      hostsComponentResource3.setProperty(HostComponentResourceProvider.STATE, State.INSTALLED.name());
      hostsComponentResource3.setProperty(HostComponentResourceProvider.DESIRED_STATE, State.STARTED.name());
      hostsComponentResource3.setProperty(
          HostComponentResourceProvider.VERSION, repositoryVersion2);
      hostsComponentResource3.setProperty(HostComponentResourceProvider.DESIRED_STACK_ID, stackId2.getStackId());
      hostsComponentResource3.setProperty(HostComponentResourceProvider.UPGRADE_STATE, UpgradeState.NONE.name());
      hostsComponentResource3.setProperty(HostComponentResourceProvider.DESIRED_REPOSITORY_VERSION, repositoryVersion2);
  
      hostsComponentResources.add(hostsComponentResource1);
      hostsComponentResources.add(hostsComponentResource2);
      hostsComponentResources.add(hostsComponentResource3);
  
      expect(hostComponentResourceProvider.getResources(eq(request), eq(predicate))).andReturn(hostsComponentResources).anyTimes();
  
      // replay
      replay(managementController, resourceProviderFactory, hostComponentResourceProvider);
  
      SecurityContextHolder.getContext().setAuthentication(authentication);
  
      ResourceProvider provider = AbstractControllerResourceProvider.getResourceProvider(
          type,
          managementController);
  
  
      Set<Resource> resources = provider.getResources(request, predicate);
  
      Assert.assertEquals(3, resources.size());
      Set<String> names = new HashSet<>();
      for (Resource resource : resources) {
        for (String key : expectedNameValues.keySet()) {
          Assert.assertEquals(expectedNameValues.get(key), resource.getPropertyValue(key));
        }
        names.add((String) resource.getPropertyValue(
            HostComponentResourceProvider.COMPONENT_NAME));
      }
      // Make sure that all of the response objects got moved into resources
      for (ServiceComponentHostResponse response : allResponse) {
        Assert.assertTrue(names.contains(response.getComponentName()));
      }
  
      // verify
      verify(managementController, resourceProviderFactory, hostComponentResourceProvider);
    }
  
    @Test
    public void testUpdateResourcesAsAdministrator() throws Exception {
      testUpdateResources(TestAuthenticationFactory.createAdministrator());
    }
  
    @Test
    public void testUpdateResourcesAsClusterAdministrator() throws Exception {
      testUpdateResources(TestAuthenticationFactory.createClusterAdministrator());
    }
  
    @Test
    public void testUpdateResourcesAsServiceAdministrator() throws Exception {
      testUpdateResources(TestAuthenticationFactory.createServiceAdministrator());
    }
  
    private void testUpdateResources(Authentication authentication) throws Exception {
      Resource.Type type = Resource.Type.HostComponent;
  
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      HostVersionDAO hostVersionDAO = createMock(HostVersionDAO.class);
      RequestStatusResponse response = createNiceMock(RequestStatusResponse.class);
      ResourceProviderFactory resourceProviderFactory = createNiceMock(ResourceProviderFactory.class);
      Injector injector = createNiceMock(Injector.class);
      Clusters clusters = createNiceMock(Clusters.class);
      Cluster cluster = createNiceMock(Cluster.class);
      Service service = createNiceMock(Service.class);
      ServiceComponent component = createNiceMock(ServiceComponent.class);
      ServiceComponentHost componentHost = createNiceMock(ServiceComponentHost.class);
      RequestStageContainer stageContainer = createNiceMock(RequestStageContainer.class);
      MaintenanceStateHelper maintenanceStateHelper = createNiceMock(MaintenanceStateHelper.class);
  
  
      Map<String, String> mapRequestProps = new HashMap<>();
      mapRequestProps.put("context", "Called from a test");
  
      Set<ServiceComponentHostResponse> nameResponse = new HashSet<>();
      nameResponse.add(new ServiceComponentHostResponse(
          "Cluster102", "Service100", "Component100", "Component 100", "Host100", "Host100",
          "INSTALLED", "", "", "", "", null));
  
      // set expectations
      expect(managementController.getClusters()).andReturn(clusters).anyTimes();
      expect(managementController.findServiceName(cluster, "Component100")).andReturn("Service100").anyTimes();
      expect(clusters.getCluster("Cluster102")).andReturn(cluster).anyTimes();
      expect(cluster.getClusterId()).andReturn(2L).anyTimes();
      expect(cluster.getService("Service100")).andReturn(service).anyTimes();
      expect(service.getServiceComponent("Component100")).andReturn(component).anyTimes();
      expect(component.getServiceComponentHost("Host100")).andReturn(componentHost).anyTimes();
      expect(component.getName()).andReturn("Component100").anyTimes();
      expect(componentHost.getState()).andReturn(State.INSTALLED).anyTimes();
      expect(response.getMessage()).andReturn("response msg").anyTimes();
      expect(response.getRequestId()).andReturn(1000L);
  
      //Cluster is default type.  Maintenance mode is not being tested here so the default is returned.
      expect(maintenanceStateHelper.isOperationAllowed(Resource.Type.Cluster, componentHost)).andReturn(true).anyTimes();
  
      expect(managementController.getHostComponents(
          EasyMock.anyObject())).andReturn(nameResponse).once();
  
      Map<String, Map<State, List<ServiceComponentHost>>> changedHosts = new HashMap<>();
      List<ServiceComponentHost> changedComponentHosts = new ArrayList<>();
      changedComponentHosts.add(componentHost);
      changedHosts.put("Component100", Collections.singletonMap(State.STARTED, changedComponentHosts));
  
      expect(managementController.addStages(null, cluster, mapRequestProps, null, null, null, changedHosts,
          Collections.emptyList(), false, false, false, false)).andReturn(stageContainer).once();
  
      stageContainer.persist();
      expect(stageContainer.getRequestStatusResponse()).andReturn(response).once();
  
      TestHostComponentResourceProvider provider =
          new TestHostComponentResourceProvider(PropertyHelper.getPropertyIds(type),
              PropertyHelper.getKeyPropertyIds(type),
              managementController, injector);
      provider.setFieldValue("maintenanceStateHelper", maintenanceStateHelper);
      provider.setFieldValue("hostVersionDAO", hostVersionDAO);
  
      expect(resourceProviderFactory.getHostComponentResourceProvider(
          eq(managementController))).
          andReturn(provider).anyTimes();
  
      // replay
      replay(managementController, response, resourceProviderFactory, clusters, cluster, service,
          component, componentHost, stageContainer, maintenanceStateHelper);
  
      SecurityContextHolder.getContext().setAuthentication(authentication);
  
      Map<String, Object> properties = new LinkedHashMap<>();
  
      properties.put(HostComponentResourceProvider.STATE, "STARTED");
  
      // create the request
      Request request = PropertyHelper.getUpdateRequest(properties, mapRequestProps);
  
      // update the cluster named Cluster102
      Predicate predicate = new PredicateBuilder().property(
          HostComponentResourceProvider.CLUSTER_NAME).equals("Cluster102").and().
          property(HostComponentResourceProvider.STATE).equals("INSTALLED").and().
          property(HostComponentResourceProvider.COMPONENT_NAME).equals("Component100").toPredicate();
      RequestStatus requestStatus = provider.updateResources(request, predicate);
      Resource responseResource = requestStatus.getRequestResource();
      assertEquals("response msg", responseResource.getPropertyValue(PropertyHelper.getPropertyId("Requests", "message")));
      assertEquals(1000L, responseResource.getPropertyValue(PropertyHelper.getPropertyId("Requests", "id")));
      assertEquals("Accepted", responseResource.getPropertyValue(PropertyHelper.getPropertyId("Requests", "status")));
      assertTrue(requestStatus.getAssociatedResources().isEmpty());
  
      // verify
      verify(managementController, response, resourceProviderFactory, stageContainer);
    }
  
  
    @Test
    public void testDeleteResourcesAsAdministrator() throws Exception {
      testDeleteResources(TestAuthenticationFactory.createAdministrator());
    }
  
    @Test
    public void testDeleteResourcesAsClusterAdministrator() throws Exception {
      testDeleteResources(TestAuthenticationFactory.createClusterAdministrator());
    }
  
    @Test(expected = AuthorizationException.class)
    public void testDeleteResourcesAsServiceAdministrator() throws Exception {
      testDeleteResources(TestAuthenticationFactory.createServiceAdministrator());
    }
  
    private void testDeleteResources(Authentication authentication) throws Exception {
      Resource.Type type = Resource.Type.HostComponent;
  
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      DeleteStatusMetaData deleteStatusMetaData = createNiceMock(DeleteStatusMetaData.class);
      Injector injector = createNiceMock(Injector.class);
  
      HostComponentResourceProvider provider =
          new HostComponentResourceProvider(managementController);
  
      // set expectations
      expect(managementController.deleteHostComponents(
          AbstractResourceProviderTest.Matcher.getHostComponentRequestSet(
              null, null, "Component100", "Host100", null, null))).andReturn(deleteStatusMetaData);
  
      // replay
      replay(managementController, deleteStatusMetaData);
  
      SecurityContextHolder.getContext().setAuthentication(authentication);
  
      AbstractResourceProviderTest.TestObserver observer = new AbstractResourceProviderTest.TestObserver();
  
      provider.addObserver(observer);
  
      Predicate predicate = new PredicateBuilder().
          property(HostComponentResourceProvider.COMPONENT_NAME).equals("Component100").and().
          property(HostComponentResourceProvider.HOST_NAME).equals("Host100").toPredicate();
      provider.deleteResources(new RequestImpl(null, null, null, null), predicate);
  
  
      ResourceProviderEvent lastEvent = observer.getLastEvent();
      Assert.assertNotNull(lastEvent);
      Assert.assertEquals(Resource.Type.HostComponent, lastEvent.getResourceType());
      Assert.assertEquals(ResourceProviderEvent.Type.Delete, lastEvent.getType());
      Assert.assertEquals(predicate, lastEvent.getPredicate());
      Assert.assertNull(lastEvent.getRequest());
  
      // verify
      verify(managementController, deleteStatusMetaData);
    }
  
    @Test
    public void testCheckPropertyIds() throws Exception {
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      Injector injector = createNiceMock(Injector.class);
  
      HostComponentResourceProvider provider =
          new HostComponentResourceProvider(managementController);
  
      Set<String> unsupported = provider.checkPropertyIds(Collections.singleton(PropertyHelper.getPropertyId("HostRoles", "cluster_name")));
      Assert.assertTrue(unsupported.isEmpty());
  
      // note that key is not in the set of known property ids.  We allow it if its parent is a known property.
      // this allows for Map type properties where we want to treat the entries as individual properties
      Assert.assertTrue(provider.checkPropertyIds(Collections.singleton(PropertyHelper.getPropertyId("HostRoles/service_name", "key"))).isEmpty());
  
      unsupported = provider.checkPropertyIds(Collections.singleton("bar"));
      Assert.assertEquals(1, unsupported.size());
      Assert.assertTrue(unsupported.contains("bar"));
  
      unsupported = provider.checkPropertyIds(Collections.singleton(PropertyHelper.getPropertyId("HostRoles", "component_name")));
      Assert.assertTrue(unsupported.isEmpty());
  
      unsupported = provider.checkPropertyIds(Collections.singleton("HostRoles"));
      Assert.assertTrue(unsupported.isEmpty());
  
      unsupported = provider.checkPropertyIds(Collections.singleton("config"));
      Assert.assertTrue(unsupported.isEmpty());
  
      unsupported = provider.checkPropertyIds(Collections.singleton("config/unknown_property"));
      Assert.assertTrue(unsupported.isEmpty());
    }
  
    @Test
    public void testUpdateResourcesNothingToUpdate() throws Exception {
      Authentication authentication = TestAuthenticationFactory.createServiceAdministrator();
      Resource.Type type = Resource.Type.HostComponent;
  
      AmbariManagementController managementController = createMock(AmbariManagementController.class);
      HostVersionDAO hostVersionDAO = createMock(HostVersionDAO.class);
  //    RequestStatusResponse response = createNiceMock(RequestStatusResponse.class);
      ResourceProviderFactory resourceProviderFactory = createNiceMock(ResourceProviderFactory.class);
      Injector injector = createNiceMock(Injector.class);
      Clusters clusters = createNiceMock(Clusters.class);
      Cluster cluster = createNiceMock(Cluster.class);
      Service service = createNiceMock(Service.class);
      ServiceComponent component = createNiceMock(ServiceComponent.class);
      ServiceComponentHost componentHost = createNiceMock(ServiceComponentHost.class);
      RequestStageContainer stageContainer = createNiceMock(RequestStageContainer.class);
      MaintenanceStateHelper maintenanceStateHelper = createNiceMock(MaintenanceStateHelper.class);
  
  
      Map<String, String> mapRequestProps = new HashMap<>();
      mapRequestProps.put("context", "Called from a test");
  
      Set<ServiceComponentHostResponse> nameResponse = new HashSet<>();
      nameResponse.add(new ServiceComponentHostResponse(
          "Cluster102", "Service100", "Component100", "Component 100", "Host100", "Host100",
          "INSTALLED", "", "", "", "", null));
  
      // set expectations
      expect(managementController.getClusters()).andReturn(clusters).anyTimes();
      expect(managementController.findServiceName(cluster, "Component100")).andReturn("Service100").anyTimes();
      expect(clusters.getCluster("Cluster102")).andReturn(cluster).anyTimes();
      expect(cluster.getClusterId()).andReturn(2L).anyTimes();
      expect(cluster.getService("Service100")).andReturn(service).anyTimes();
      expect(service.getServiceComponent("Component100")).andReturn(component).anyTimes();
      expect(component.getServiceComponentHost("Host100")).andReturn(componentHost).anyTimes();
      expect(component.getName()).andReturn("Component100").anyTimes();
      expect(componentHost.getState()).andReturn(State.INSTALLED).anyTimes();
  
      //Cluster is default type.  Maintenance mode is not being tested here so the default is returned.
      expect(maintenanceStateHelper.isOperationAllowed(Resource.Type.Cluster, componentHost)).andReturn(true).anyTimes();
  
      expect(managementController.getHostComponents(
          EasyMock.anyObject())).andReturn(Collections.emptySet()).once();
  
      Map<String, Map<State, List<ServiceComponentHost>>> changedHosts = new HashMap<>();
      List<ServiceComponentHost> changedComponentHosts = new ArrayList<>();
      changedComponentHosts.add(componentHost);
      changedHosts.put("Component100", Collections.singletonMap(State.STARTED, changedComponentHosts));
  
      TestHostComponentResourceProvider provider =
          new TestHostComponentResourceProvider(PropertyHelper.getPropertyIds(type),
              PropertyHelper.getKeyPropertyIds(type),
              managementController, injector);
      provider.setFieldValue("maintenanceStateHelper", maintenanceStateHelper);
      provider.setFieldValue("hostVersionDAO", hostVersionDAO);
  
      expect(resourceProviderFactory.getHostComponentResourceProvider(
          eq(managementController))).
          andReturn(provider).anyTimes();
  
      // replay
      replay(managementController, resourceProviderFactory, clusters, cluster, service,
          component, componentHost, stageContainer, maintenanceStateHelper);
  
      SecurityContextHolder.getContext().setAuthentication(authentication);
  
      Map<String, Object> properties = new LinkedHashMap<>();
  
      properties.put(HostComponentResourceProvider.STATE, "STARTED");
  
      // create the request
      Request request = PropertyHelper.getUpdateRequest(properties, mapRequestProps);
  
      // update the cluster named Cluster102
      Predicate predicate = new PredicateBuilder().property(
          HostComponentResourceProvider.CLUSTER_NAME).equals("Cluster102").and().
          property(HostComponentResourceProvider.STATE).equals("INSTALLED").and().
          property(HostComponentResourceProvider.COMPONENT_NAME).equals("Component100").toPredicate();
  
  
      try {
        provider.updateResources(request, predicate);
        fail("Expected exception when no resources are found to be updatable");
      } catch (NoSuchResourceException e) {
        // !!! expected
      }
  
  
      // verify
      verify(managementController, resourceProviderFactory, stageContainer);
    }
  
    @Test
    public void doesNotSkipInstallTaskForClient() {
      String component = "SOME_COMPONENT";
      assertFalse(shouldSkipInstallTaskForComponent(component, true, new RequestInfoBuilder().skipInstall(component).build()));
      assertFalse(shouldSkipInstallTaskForComponent(component, true, new RequestInfoBuilder().skipInstall(ALL_COMPONENTS).build()));
    }
  
    @Test
    public void doesNotSkipInstallTaskForOtherPhase() {
      String component = "SOME_COMPONENT";
      RequestInfoBuilder requestInfoBuilder = new RequestInfoBuilder().phase("INSTALL");
      assertFalse(shouldSkipInstallTaskForComponent(component, false, requestInfoBuilder.skipInstall(component).build()));
      assertFalse(shouldSkipInstallTaskForComponent(component, false, requestInfoBuilder.skipInstall(ALL_COMPONENTS).build()));
    }
  
    @Test
    public void doesNotSkipInstallTaskForExplicitException() {
      String component = "SOME_COMPONENT";
      RequestInfoBuilder requestInfoBuilder = new RequestInfoBuilder().skipInstall(ALL_COMPONENTS).doNotSkipInstall(component);
      assertFalse(shouldSkipInstallTaskForComponent(component, false, requestInfoBuilder.build()));
    }
  
    @Test
    public void skipsInstallTaskIfRequested() {
      String component = "SOME_COMPONENT";
      RequestInfoBuilder requestInfoBuilder = new RequestInfoBuilder().skipInstall(component);
      assertTrue(shouldSkipInstallTaskForComponent(component, false, requestInfoBuilder.build()));
    }
  
    @Test
    public void skipsInstallTaskForAll() {
      RequestInfoBuilder requestInfoBuilder = new RequestInfoBuilder().skipInstall(ALL_COMPONENTS);
      assertTrue(shouldSkipInstallTaskForComponent("ANY_COMPONENT", false, requestInfoBuilder.build()));
    }
  
    @Test
    public void doesNotSkipInstallOfPrefixedComponent() {
      String prefix = "HIVE_SERVER", component = prefix + "_INTERACTIVE";
      Map<String, String> requestInfo = new RequestInfoBuilder().skipInstall(component).build();
      assertTrue(shouldSkipInstallTaskForComponent(component, false, requestInfo));
      assertFalse(shouldSkipInstallTaskForComponent(prefix, false, requestInfo));
    }
  
    private static class RequestInfoBuilder {
  
      private String phase = CLUSTER_PHASE_INITIAL_INSTALL;
      private final Collection<String> skipInstall = new LinkedList<>();
      private final Collection<String> doNotSkipInstall = new LinkedList<>();
  
      public RequestInfoBuilder skipInstall(String... components) {
        skipInstall.clear();
        skipInstall.addAll(Arrays.asList(components));
        return this;
      }
  
      public RequestInfoBuilder doNotSkipInstall(String... components) {
        doNotSkipInstall.clear();
        doNotSkipInstall.addAll(Arrays.asList(components));
        return this;
      }
  
      public RequestInfoBuilder phase(String phase) {
        this.phase = phase;
        return this;
      }
  
      public Map<String, String> build() {
        Map<String, String> info = new HashMap<>();
        if (phase != null) {
          info.put(CLUSTER_PHASE_PROPERTY, phase);
        }
        HostComponentResourceProvider.addProvisionActionProperties(skipInstall, doNotSkipInstall, info);
        return info;
      }
    }
  
    // Used to directly call updateHostComponents on the resource provider.
    // This exists as a temporary solution as a result of moving updateHostComponents from
    // AmbariManagentControllerImpl to HostComponentResourceProvider.
    public static RequestStatusResponse updateHostComponents(AmbariManagementController controller,
                                                             Injector injector,
                                                             Set<ServiceComponentHostRequest> requests,
                                                             Map<String, String> requestProperties,
                                                             boolean runSmokeTest) throws Exception {
      Resource.Type type = Resource.Type.HostComponent;
      TestHostComponentResourceProvider provider =
          new TestHostComponentResourceProvider(PropertyHelper.getPropertyIds(type),
              PropertyHelper.getKeyPropertyIds(type),
              controller, injector);
  
      provider.setFieldValue("maintenanceStateHelper", injector.getInstance(MaintenanceStateHelper.class));
      provider.setFieldValue("hostVersionDAO", injector.getInstance(HostVersionDAO.class));
  
      RequestStageContainer requestStages = provider.updateHostComponents(null, requests, requestProperties,
          runSmokeTest, false, false);
      requestStages.persist();
      return requestStages.getRequestStatusResponse();
    }
  
    private static class TestHostComponentResourceProvider extends HostComponentResourceProvider {
  
      /**
       * Create a  new resource provider for the given management controller.
       *
       * @param propertyIds          the property ids
       * @param keyPropertyIds       the key property ids
       * @param managementController the management controller
       */
      public TestHostComponentResourceProvider(Set<String> propertyIds, Map<Resource.Type, String> keyPropertyIds,
                                               AmbariManagementController managementController, Injector injector) throws Exception {
        super(managementController);
      }
  
      public void setFieldValue(String fieldName, Object fieldValue) throws Exception {
        Class<?> c = getClass().getSuperclass();
        Field f = c.getDeclaredField(fieldName);
        f.setAccessible(true);
        f.set(this, fieldValue);
      }
  
    }
  }
  