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.config.server.controller;
  
  import com.alibaba.nacos.config.server.constant.Constants;
  import com.alibaba.nacos.core.cluster.MemberLookup;
  import com.alibaba.nacos.core.cluster.ServerMemberManager;
  import com.alibaba.nacos.persistence.datasource.DataSourceService;
  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.InjectMocks;
  import org.mockito.Mock;
  import org.springframework.core.env.StandardEnvironment;
  import org.springframework.mock.web.MockServletContext;
  import org.springframework.test.context.ContextConfiguration;
  import org.springframework.test.context.junit.jupiter.SpringExtension;
  import org.springframework.test.context.web.WebAppConfiguration;
  import org.springframework.test.util.ReflectionTestUtils;
  import org.springframework.test.web.servlet.MockMvc;
  import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
  import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
  import org.springframework.test.web.servlet.setup.MockMvcBuilders;
  
  import jakarta.servlet.ServletContext;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(SpringExtension.class)
  @ContextConfiguration(classes = MockServletContext.class)
  @WebAppConfiguration
  class HealthControllerTest {
      
      @InjectMocks
      HealthController healthController;
      
      @Mock
      DataSourceService dataSourceService;
      
      private MockMvc mockmvc;
      
      @Mock
      private ServerMemberManager memberManager;
      
      @Mock
      private ServletContext servletContext;
      
      @Mock
      private MemberLookup memberLookup;
      
      @BeforeEach
      void setUp() {
          EnvUtil.setEnvironment(new StandardEnvironment());
          Map<String, Object> infos = new HashMap<>();
          infos.put("addressServerHealth", true);
          when(memberLookup.info()).thenReturn(infos);
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(servletContext.getContextPath()).thenReturn("/nacos");
          ReflectionTestUtils.setField(healthController, "memberManager", memberManager);
          ReflectionTestUtils.setField(healthController, "dataSourceService", dataSourceService);
          mockmvc = MockMvcBuilders.standaloneSetup(healthController).build();
      }
      
      @Test
      void testGetHealth() throws Exception {
          
          when(dataSourceService.getHealth()).thenReturn("UP");
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("UP", actualValue);
          
      }
      
      @Test
      void testGetHealthWhenTheLookUpIsNull() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(null);
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("DOWN:address server down. ", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpNotUseAddressServer() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(false);
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("UP", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpInfoIsNull() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(true);
          when(memberLookup.info()).thenReturn(null);
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("DOWN:address server down. ", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpInfoIsEmpty() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(true);
          when(memberLookup.info()).thenReturn(new HashMap<>());
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("DOWN:address server down. ", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpInfoIsDown() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(true);
          
          final HashMap<String, Object> info = new HashMap<>();
          info.put("addressServerHealth", "false");
          when(memberLookup.info()).thenReturn(info);
          
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("DOWN:address server down. ", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpInfoIsUP() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(true);
          
          final HashMap<String, Object> info = new HashMap<>();
          info.put("addressServerHealth", "true");
          when(memberLookup.info()).thenReturn(info);
          
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("UP", actualValue);
      }
      
      @Test
      void testGetHealthWhenTheLoopUpInfoParseError() throws Exception {
          when(dataSourceService.getHealth()).thenReturn("UP");
          when(memberManager.getLookup()).thenReturn(memberLookup);
          when(memberLookup.useAddressServer()).thenReturn(true);
          
          final HashMap<String, Object> info = new HashMap<>();
          info.put("addressServerHealth", "not boolean value");
          when(memberLookup.info()).thenReturn(info);
          
          MockHttpServletRequestBuilder builder = MockMvcRequestBuilders.get(Constants.HEALTH_CONTROLLER_PATH);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
          assertEquals("DOWN:address server down. ", actualValue);
      }
  }
  