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.core.cluster.lookup;
  
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.core.cluster.MemberLookup;
  import com.alibaba.nacos.core.cluster.ServerMemberManager;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import com.alibaba.nacos.sys.file.WatchFileCenter;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.MethodOrderer.MethodName;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestMethodOrder;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.core.env.StandardEnvironment;
  import org.springframework.mock.env.MockEnvironment;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  @ExtendWith(MockitoExtension.class)
  @TestMethodOrder(MethodName.class)
  class LookupFactoryTest {
      
      private static final String LOOKUP_MODE_TYPE = "nacos.core.member.lookup.type";
      
      MockEnvironment mockEnvironment;
      
      @Mock
      private ServerMemberManager memberManager;
      
      private MemberLookup memberLookup;
      
      @BeforeEach
      void setUp() throws Exception {
          EnvUtil.setEnvironment(new StandardEnvironment());
          mockEnvironment = new MockEnvironment();
          EnvUtil.setEnvironment(mockEnvironment);
      }
      
      @AfterEach
      void tearDown() throws NacosException {
          WatchFileCenter.deregisterAllWatcher(EnvUtil.getConfPath());
          memberManager.shutdown();
      }
      
      /**
       * createLookUpStandalone MemberLookup.
       *
       * @throws NacosException NacosException
       */
      @Test
      void createLookUpStandaloneMemberLookup() throws NacosException {
          EnvUtil.setIsStandalone(true);
          memberLookup = LookupFactory.createLookUp(memberManager);
          assertEquals(StandaloneMemberLookup.class, memberLookup.getClass());
      }
      
      @Test
      void createLookUpFileConfigMemberLookup() throws Exception {
          EnvUtil.setIsStandalone(false);
          mockEnvironment.setProperty(LOOKUP_MODE_TYPE, "file");
          memberLookup = LookupFactory.createLookUp(memberManager);
          assertEquals(FileConfigMemberLookup.class, memberLookup.getClass());
      }
      
      @Test
      void createLookUpAddressServerMemberLookup() throws Exception {
          EnvUtil.setIsStandalone(false);
          mockEnvironment.setProperty(LOOKUP_MODE_TYPE, "address-server");
          memberLookup = LookupFactory.createLookUp(memberManager);
          assertEquals(AddressServerMemberLookup.class, memberLookup.getClass());
      }
      
      @Test
      void testSwitchLookup() throws Exception {
          EnvUtil.setIsStandalone(false);
          createLookUpFileConfigMemberLookup();
          EnvUtil.setIsStandalone(false);
          String name1 = "file";
          MemberLookup memberLookup = LookupFactory.switchLookup(name1, memberManager);
          assertEquals(FileConfigMemberLookup.class, memberLookup.getClass());
          
          createLookUpAddressServerMemberLookup();
          String name2 = "address-server";
          memberLookup = LookupFactory.switchLookup(name2, memberManager);
          assertEquals(AddressServerMemberLookup.class, memberLookup.getClass());
          
          createLookUpStandaloneMemberLookup();
          String name3 = "address-server";
          memberLookup = LookupFactory.switchLookup(name3, memberManager);
          assertEquals(StandaloneMemberLookup.class, memberLookup.getClass());
      }
  }