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   * 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.api.services;
  
  import static org.junit.Assert.assertEquals;
  
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.List;
  
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.UriInfo;
  
  import org.apache.ambari.server.api.resources.ResourceInstance;
  import org.apache.ambari.server.api.services.parsers.RequestBodyParser;
  import org.apache.ambari.server.api.services.serializers.ResultSerializer;
  import org.apache.ambari.server.orm.dao.ClusterDAO;
  import org.apache.ambari.server.orm.dao.HostDAO;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.cluster.ClusterFactory;
  import org.apache.ambari.server.state.cluster.ClustersImpl;
  import org.apache.ambari.server.state.host.HostFactory;
  import org.easymock.EasyMock;
  
  /**
   * Unit tests for ClusterService.
   */
  public class ClusterServiceTest extends BaseServiceTest {
  
  
    @Override
    public List<ServiceTestInvocation> getTestInvocations() throws Exception {
      List<ServiceTestInvocation> listInvocations = new ArrayList<>();
  
      ClusterDAO clusterDAO = EasyMock.createNiceMock(ClusterDAO.class);
      HostDAO hostDAO = EasyMock.createNiceMock(HostDAO.class);
  
      EasyMock.expect(clusterDAO.findAll()).andReturn(new ArrayList<>()).atLeastOnce();
      EasyMock.expect(hostDAO.findAll()).andReturn(new ArrayList<>()).atLeastOnce();
  
      EasyMock.replay(clusterDAO, hostDAO);
  
      Clusters clusters = new TestClusters(clusterDAO, EasyMock.createNiceMock(ClusterFactory.class),
          hostDAO, EasyMock.createNiceMock(HostFactory.class));
  
      ClusterService clusterService;
      Method m;
      Object[] args;
  
      //getCluster
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("getCluster", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {null, getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.GET, clusterService, m, args, null));
  
      //getClusters
      clusterService = new TestClusterService(clusters, null);
      m = clusterService.getClass().getMethod("getClusters", String.class, HttpHeaders.class, UriInfo.class);
      args = new Object[] {null, getHttpHeaders(), getUriInfo()};
      listInvocations.add(new ServiceTestInvocation(Request.Type.GET, clusterService, m, args, null));
  
      //createCluster
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("createCluster", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.POST, clusterService, m, args, "body"));
  
      //updateCluster
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("updateCluster", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.PUT, clusterService, m, args, "body"));
  
      //deleteCluster
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("deleteCluster", HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.DELETE, clusterService, m, args, null));
  
      //createClusterArtifact
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("createClusterArtifact", String.class, HttpHeaders.class, UriInfo.class, String.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName", "artifactName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.POST, clusterService, m, args, "body"));
  
      //getClusterArtifact
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("getClusterArtifact", String.class, HttpHeaders.class, UriInfo.class, String.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName", "artifact_name"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.GET, clusterService, m, args, "body"));
  
      //getClusterArtifacts
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("getClusterArtifacts", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.GET, clusterService, m, args, "body"));
  
      //updateClusterArtifact
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("updateClusterArtifact", String.class, HttpHeaders.class, UriInfo.class, String.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName", "artifactName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.PUT, clusterService, m, args, "body"));
  
      //updateClusterArtifacts
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("updateClusterArtifacts", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.PUT, clusterService, m, args, "body"));
  
      //deleteClusterArtifact
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("deleteClusterArtifact", String.class, HttpHeaders.class, UriInfo.class, String.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName", "artifactName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.DELETE, clusterService, m, args, "body"));
  
      //deleteClusterArtifacts
      clusterService = new TestClusterService(clusters, "clusterName");
      m = clusterService.getClass().getMethod("deleteClusterArtifacts", String.class, HttpHeaders.class, UriInfo.class, String.class);
      args = new Object[] {"body", getHttpHeaders(), getUriInfo(), "clusterName"};
      listInvocations.add(new ServiceTestInvocation(Request.Type.DELETE, clusterService, m, args, "body"));
  
      return listInvocations;
    }
  
  
    private class TestClusterService extends ClusterService {
      private String m_clusterId;
  
      private TestClusterService(Clusters clusters, String clusterId) {
        super(clusters);
        m_clusterId = clusterId;
      }
  
      @Override
      ResourceInstance createClusterResource(String clusterName) {
        assertEquals(m_clusterId, clusterName);
        return getTestResource();
      }
  
      @Override
      ResourceInstance createArtifactResource(String clusterName, String artifactName) {
        assertEquals(m_clusterId, clusterName);
        return getTestResource();
      }
  
      @Override
      RequestFactory getRequestFactory() {
        return getTestRequestFactory();
      }
  
      @Override
      protected RequestBodyParser getBodyParser() {
        return getTestBodyParser();
      }
  
      @Override
      protected ResultSerializer getResultSerializer() {
        return getTestResultSerializer();
      }
    }
  
    private class TestClusters extends ClustersImpl {
      public TestClusters(ClusterDAO clusterDAO, ClusterFactory clusterFactory, HostDAO hostDAO,
          HostFactory hostFactory) {
  
        super(clusterDAO, clusterFactory, hostDAO, hostFactory);
      }
  
      @Override
      public boolean checkPermission(String clusterName, boolean readOnly) {
        return true;
      }
    }
  
    //todo: test getHostHandler, getServiceHandler, getHostComponentHandler
  }
  