content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.alibaba.nacos.naming.core.v2.index;
  
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
  import com.alibaba.nacos.naming.core.v2.client.manager.ClientManagerDelegate;
  import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
  import com.alibaba.nacos.naming.core.v2.pojo.InstancePublishInfo;
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  import com.alibaba.nacos.naming.misc.SwitchDomain;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Optional;
  import java.util.Set;
  import java.util.concurrent.ConcurrentMap;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  @ExtendWith(MockitoExtension.class)
  class ServiceStorageTest {
      
      private static final Service SERVICE = Service.newService("namespaceId", "groupName", "serviceName");
      
      private static final String NACOS = "nacos";
      
      @Mock
      private ClientServiceIndexesManager clientServiceIndexesManager;
      
      @Mock
      private ClientManagerDelegate clientManagerDelegate;
      
      @Mock
      private SwitchDomain switchDomain;
      
      @Mock
      private NamingMetadataManager namingMetadataManager;
      
      @Mock
      private ServiceInfo serviceInfo;
      
      @Mock
      private InstancePublishInfo instancePublishInfo;
      
      private ServiceStorage serviceStorage;
      
      @BeforeEach
      void setUp() throws NoSuchFieldException, IllegalAccessException {
          serviceStorage = new ServiceStorage(clientServiceIndexesManager, clientManagerDelegate, switchDomain, namingMetadataManager);
          
          Field serviceClusterIndex = ServiceStorage.class.getDeclaredField("serviceClusterIndex");
          serviceClusterIndex.setAccessible(true);
          ConcurrentMap<Service, Set<String>> serviceSetConcurrentMap = (ConcurrentMap<Service, Set<String>>) serviceClusterIndex.get(
                  serviceStorage);
          serviceSetConcurrentMap.put(SERVICE, new HashSet<>(Collections.singletonList(NACOS)));
          
          Field serviceDataIndexes = ServiceStorage.class.getDeclaredField("serviceDataIndexes");
          serviceDataIndexes.setAccessible(true);
          ConcurrentMap<Service, ServiceInfo> infoConcurrentMap = (ConcurrentMap<Service, ServiceInfo>) serviceDataIndexes.get(
                  serviceStorage);
          infoConcurrentMap.put(SERVICE, serviceInfo);
      }
      
      @Test
      void testGetClusters() {
          Set<String> clusters = serviceStorage.getClusters(SERVICE);
          
          assertNotNull(clusters);
          for (String cluster : clusters) {
              assertEquals(NACOS, cluster);
          }
      }
      
      @Test
      void testGetData() {
          ServiceInfo serviceInfo = serviceStorage.getData(SERVICE);
          
          assertNotNull(serviceInfo);
      }
      
      @Test
      void testGetPushData() {
          ServiceInfo pushData = serviceStorage.getPushData(SERVICE);
          
          Mockito.verify(switchDomain).getDefaultPushCacheMillis();
          assertNotNull(pushData);
      }
      
      @Test
      void testRemoveData() throws NoSuchFieldException, IllegalAccessException {
          serviceStorage.removeData(SERVICE);
          
          Field serviceClusterIndex = ServiceStorage.class.getDeclaredField("serviceClusterIndex");
          serviceClusterIndex.setAccessible(true);
          ConcurrentMap<Service, Set<String>> serviceSetConcurrentMap = (ConcurrentMap<Service, Set<String>>) serviceClusterIndex.get(
                  serviceStorage);
          
          Field serviceDataIndexes = ServiceStorage.class.getDeclaredField("serviceDataIndexes");
          serviceDataIndexes.setAccessible(true);
          ConcurrentMap<Service, ServiceInfo> infoConcurrentMap = (ConcurrentMap<Service, ServiceInfo>) serviceDataIndexes.get(
                  serviceStorage);
          
          assertEquals(0, serviceSetConcurrentMap.size());
          assertEquals(0, infoConcurrentMap.size());
      }
      
      @Test
      void testGetAllInstancesFromIndex() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
          Class<ServiceStorage> serviceStorageClass = ServiceStorage.class;
          Method getAllInstancesFromIndex = serviceStorageClass.getDeclaredMethod("getAllInstancesFromIndex", Service.class);
          getAllInstancesFromIndex.setAccessible(true);
          List<Instance> list = (List<Instance>) getAllInstancesFromIndex.invoke(serviceStorage, SERVICE);
          
          assertNotNull(list);
      }
      
      @Test
      void testGetInstanceInfo() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
          Class<ServiceStorage> serviceStorageClass = ServiceStorage.class;
          Method getInstanceInfo = serviceStorageClass.getDeclaredMethod("getInstanceInfo", String.class, Service.class);
          getInstanceInfo.setAccessible(true);
          Optional<InstancePublishInfo> optionalInstancePublishInfo = (Optional<InstancePublishInfo>) getInstanceInfo.invoke(serviceStorage,
                  NACOS, SERVICE);
          
          assertFalse(optionalInstancePublishInfo.isPresent());
      }
      
      @Test
      void testParseInstance() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
          Class<ServiceStorage> serviceStorageClass = ServiceStorage.class;
          Method parseInstance = serviceStorageClass.getDeclaredMethod("parseInstance", Service.class, InstancePublishInfo.class);
          parseInstance.setAccessible(true);
          Instance instance = (Instance) parseInstance.invoke(serviceStorage, SERVICE, instancePublishInfo);
          
          Mockito.verify(namingMetadataManager).getInstanceMetadata(SERVICE, instancePublishInfo.getMetadataId());
          assertNotNull(instance);
      }
      
  }