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.cluster;
  
  import com.alibaba.nacos.consistency.cp.CPProtocol;
  import com.alibaba.nacos.core.distributed.ProtocolManager;
  import com.alibaba.nacos.core.distributed.distro.DistroProtocol;
  import com.alibaba.nacos.naming.misc.GlobalConfig;
  import com.alibaba.nacos.naming.misc.GlobalExecutor;
  import com.alibaba.nacos.naming.misc.SwitchDomain;
  import com.alibaba.nacos.sys.env.EnvUtil;
  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.MockedStatic;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.mock.env.MockEnvironment;
  
  import java.util.Optional;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.mockStatic;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  class ServerStatusManagerTest {
      
      @Mock
      SwitchDomain switchDomain;
      
      @Mock
      ProtocolManager protocolManager;
      
      @Mock
      GlobalConfig globalConfig;
      
      @Mock
      DistroProtocol distroProtocol;
      
      @Mock
      CPProtocol cpProtocol;
      
      ServerStatusManager serverStatusManager;
      
      @BeforeEach
      void setUp() {
          EnvUtil.setEnvironment(new MockEnvironment());
          serverStatusManager = new ServerStatusManager(globalConfig, distroProtocol, protocolManager, switchDomain);
      }
      
      @Test
      void testInit() {
          try (MockedStatic mocked = mockStatic(GlobalExecutor.class)) {
              serverStatusManager.init();
              mocked.verify(() -> GlobalExecutor.registerServerStatusUpdater(any()));
          }
      }
      
      @Test
      void testGetServerStatus() {
          ServerStatus serverStatus = serverStatusManager.getServerStatus();
          assertEquals(ServerStatus.STARTING, serverStatus);
          
      }
      
      @Test
      void testGetErrorMsgForDistroProtocol() {
          when(protocolManager.isCpInit()).thenReturn(true);
          when(globalConfig.isDataWarmup()).thenReturn(true);
          when(protocolManager.getCpProtocol()).thenReturn(cpProtocol);
          when(distroProtocol.isInitialized()).thenReturn(false);
          Optional<String> errorMsg = serverStatusManager.getErrorMsg();
          assertTrue(errorMsg.isPresent());
          assertTrue(errorMsg.get().contains("distro"));
      }
      
      @Test
      void testGetErrorMsgForRaft() {
          when(protocolManager.isCpInit()).thenReturn(true);
          when(globalConfig.isDataWarmup()).thenReturn(true);
          when(protocolManager.getCpProtocol()).thenReturn(cpProtocol);
          when(cpProtocol.isReady()).thenReturn(false);
          when(distroProtocol.isInitialized()).thenReturn(true);
          Optional<String> errorMsg = serverStatusManager.getErrorMsg();
          assertTrue(errorMsg.isPresent());
          assertTrue(errorMsg.get().contains("raft"));
      }
      
      @Test
      void testUpdaterFromSwitch() {
          String expect = ServerStatus.DOWN.toString();
          when(switchDomain.getOverriddenServerStatus()).thenReturn(expect);
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          //then
          updater.run();
          //then
          ServerStatus serverStatus = serverStatusManager.getServerStatus();
          assertEquals(expect, serverStatus.toString());
      }
      
      @Test
      void testUpdaterStatusForWarmUpDisabled() {
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          updater.run();
          assertEquals(ServerStatus.UP, serverStatusManager.getServerStatus());
          assertFalse(serverStatusManager.getErrorMsg().isPresent());
      }
      
      @Test
      void testUpdaterStatusBySwitch() {
          when(switchDomain.getOverriddenServerStatus()).thenReturn("UP");
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          updater.run();
          assertEquals(ServerStatus.UP, serverStatusManager.getServerStatus());
          when(switchDomain.getOverriddenServerStatus()).thenReturn("DOWN");
          updater.run();
          assertEquals(ServerStatus.DOWN, serverStatusManager.getServerStatus());
      }
      
      @Test
      void testUpdaterStatusForDistroFailed() {
          when(protocolManager.isCpInit()).thenReturn(true);
          when(globalConfig.isDataWarmup()).thenReturn(true);
          when(protocolManager.getCpProtocol()).thenReturn(cpProtocol);
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          updater.run();
          assertEquals(ServerStatus.DOWN, serverStatusManager.getServerStatus());
      }
      
      @Test
      void testUpdaterStatusForRaftFailed() {
          when(protocolManager.isCpInit()).thenReturn(true);
          when(globalConfig.isDataWarmup()).thenReturn(true);
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          updater.run();
          assertEquals(ServerStatus.DOWN, serverStatusManager.getServerStatus());
          when(protocolManager.getCpProtocol()).thenReturn(cpProtocol);
          when(cpProtocol.isReady()).thenReturn(false);
          updater.run();
          assertEquals(ServerStatus.DOWN, serverStatusManager.getServerStatus());
      }
      
      @Test
      void testUpdaterStatus() {
          when(protocolManager.isCpInit()).thenReturn(true);
          when(globalConfig.isDataWarmup()).thenReturn(true);
          when(protocolManager.getCpProtocol()).thenReturn(cpProtocol);
          when(cpProtocol.isReady()).thenReturn(true);
          when(distroProtocol.isInitialized()).thenReturn(true);
          ServerStatusManager.ServerStatusUpdater updater = serverStatusManager.new ServerStatusUpdater();
          updater.run();
          assertEquals(ServerStatus.UP, serverStatusManager.getServerStatus());
      }
  }