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.console.controller;
  
  import com.alibaba.nacos.config.server.service.ConfigReadinessCheckService;
  import com.alibaba.nacos.config.server.service.repository.ConfigInfoPersistService;
  import com.alibaba.nacos.core.cluster.health.ModuleHealthCheckerHolder;
  import com.alibaba.nacos.naming.cluster.NamingReadinessCheckService;
  import com.alibaba.nacos.naming.cluster.ServerStatus;
  import com.alibaba.nacos.naming.cluster.ServerStatusManager;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.http.ResponseEntity;
  
  import java.lang.reflect.Field;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.ArgumentMatchers.any;
  
  @ExtendWith(MockitoExtension.class)
  class HealthControllerTest {
      
      @InjectMocks
      private HealthController healthController;
      
      @Mock
      private ConfigInfoPersistService configInfoPersistService;
      
      @Mock
      private ServerStatusManager serverStatusManager;
      
      @BeforeEach
      void setUp() {
          // auto register to module health checker holder.
          new NamingReadinessCheckService(serverStatusManager);
          new ConfigReadinessCheckService(configInfoPersistService);
      }
      
      @AfterEach
      void tearDown() throws IllegalAccessException, NoSuchFieldException {
          Field moduleHealthCheckersField = ModuleHealthCheckerHolder.class.getDeclaredField("moduleHealthCheckers");
          moduleHealthCheckersField.setAccessible(true);
          ((List) moduleHealthCheckersField.get(ModuleHealthCheckerHolder.getInstance())).clear();
      }
      
      @Test
      void testLiveness() throws Exception {
          ResponseEntity<String> response = healthController.liveness();
          assertEquals(200, response.getStatusCodeValue());
      }
      
      @Test
      void testReadinessSuccess() throws Exception {
          
          Mockito.when(configInfoPersistService.configInfoCount(any(String.class))).thenReturn(0);
          Mockito.when(serverStatusManager.getServerStatus()).thenReturn(ServerStatus.UP);
          ResponseEntity<String> response = healthController.readiness(null);
          assertEquals(200, response.getStatusCodeValue());
          assertEquals("OK", response.getBody());
      }
      
      @Test
      void testReadinessBothFailure() {
          // Config and Naming are not in readiness
          Mockito.when(configInfoPersistService.configInfoCount(any(String.class)))
                  .thenThrow(new RuntimeException("HealthControllerTest.testReadiness"));
          Mockito.when(serverStatusManager.getServerStatus()).thenThrow(new RuntimeException("HealthControllerTest.testReadiness"));
          ResponseEntity<String> response = healthController.readiness(null);
          assertEquals(500, response.getStatusCodeValue());
          assertEquals("naming and config not in readiness", response.getBody());
      }
      
      @Test
      void testReadinessConfigFailure() {
          // Config is not in readiness
          Mockito.when(configInfoPersistService.configInfoCount(any(String.class)))
                  .thenThrow(new RuntimeException("HealthControllerTest.testReadiness"));
          Mockito.when(serverStatusManager.getServerStatus()).thenReturn(ServerStatus.UP);
          ResponseEntity<String> response = healthController.readiness(null);
          assertEquals(500, response.getStatusCodeValue());
          assertEquals("config not in readiness", response.getBody());
      }
      
      @Test
      void testReadinessNamingFailure() {
          // Naming is not in readiness
          Mockito.when(configInfoPersistService.configInfoCount(any(String.class))).thenReturn(0);
          Mockito.when(serverStatusManager.getServerStatus()).thenThrow(new RuntimeException("HealthControllerTest.testReadiness"));
          ResponseEntity<String> response = healthController.readiness(null);
          assertEquals(500, response.getStatusCodeValue());
          assertEquals("naming not in readiness", response.getBody());
      }
      
  }
  