content: /*
   * Copyright 1999-2023 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.controller.compatibility;
  
  import com.alibaba.nacos.sys.env.EnvUtil;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.springframework.mock.env.MockEnvironment;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class ApiCompatibilityConfigTest {
      
      @BeforeEach
      void setUp() {
          EnvUtil.setEnvironment(new MockEnvironment());
      }
      
      @AfterEach
      void tearDown() {
          EnvUtil.setEnvironment(null);
          ApiCompatibilityConfig config = ApiCompatibilityConfig.getInstance();
          config.setConsoleApiCompatibility(false);
          config.setClientApiCompatibility(true);
          config.setAdminApiCompatibility(true);
      }
      
      @Test
      void testGetInstance() {
          ApiCompatibilityConfig instance1 = ApiCompatibilityConfig.getInstance();
          ApiCompatibilityConfig instance2 = ApiCompatibilityConfig.getInstance();
          assertEquals(instance1, instance2);
      }
      
      @Test
      void testGetConfigWithDefaultValues() {
          ApiCompatibilityConfig config = ApiCompatibilityConfig.getInstance();
          config.getConfigFromEnv();
          assertTrue(config.isClientApiCompatibility());
          assertFalse(config.isConsoleApiCompatibility());
          assertFalse(config.isAdminApiCompatibility());
          assertEquals(
                  "ApiCompatibilityConfig{clientApiCompatibility=true, consoleApiCompatibility=false, adminApiCompatibility=false}",
                  config.printConfig());
      }
      
      @Test
      void testGetConfigWithCustomValues() {
          MockEnvironment properties = new MockEnvironment();
          properties.setProperty(ApiCompatibilityConfig.CLIENT_API_COMPATIBILITY_KEY, "false");
          properties.setProperty(ApiCompatibilityConfig.CONSOLE_API_COMPATIBILITY_KEY, "true");
          properties.setProperty(ApiCompatibilityConfig.ADMIN_API_COMPATIBILITY_KEY, "true");
          EnvUtil.setEnvironment(properties);
          
          ApiCompatibilityConfig config = ApiCompatibilityConfig.getInstance();
          config.getConfigFromEnv();
          
          assertFalse(config.isClientApiCompatibility());
          assertTrue(config.isConsoleApiCompatibility());
          assertTrue(config.isAdminApiCompatibility());
          assertEquals(
                  "ApiCompatibilityConfig{clientApiCompatibility=false, consoleApiCompatibility=true, adminApiCompatibility=true}",
                  config.printConfig());
      }
  }