content: /*
   * Copyright 1999-2022 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.plugin.config;
  
  import com.alibaba.nacos.plugin.config.constants.ConfigChangeExecuteTypes;
  import com.alibaba.nacos.plugin.config.constants.ConfigChangePointCutTypes;
  import com.alibaba.nacos.plugin.config.model.ConfigChangeRequest;
  import com.alibaba.nacos.plugin.config.model.ConfigChangeResponse;
  import com.alibaba.nacos.plugin.config.spi.ConfigChangePluginService;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.util.List;
  import java.util.Optional;
  import java.util.stream.IntStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * ConfigChangePluginManagerTests.
   *
   * @author liyunfei
   **/
  class ConfigChangePluginManagerTests {
      
      @Test
      void testInstance() {
          ConfigChangePluginManager instance = ConfigChangePluginManager.getInstance();
          assertNotNull(instance);
      }
      
      @BeforeEach
      void initPluginServices() {
          ConfigChangePluginManager.join(new ConfigChangePluginService() {
              @Override
              public void execute(ConfigChangeRequest configChangeRequest, ConfigChangeResponse configChangeResponse) {
                  // ignore
              }
              
              @Override
              public ConfigChangeExecuteTypes executeType() {
                  return ConfigChangeExecuteTypes.EXECUTE_BEFORE_TYPE;
              }
              
              @Override
              public String getServiceType() {
                  return "test1";
              }
              
              @Override
              public int getOrder() {
                  return 0;
              }
              
              @Override
              public ConfigChangePointCutTypes[] pointcutMethodNames() {
                  return new ConfigChangePointCutTypes[] {ConfigChangePointCutTypes.PUBLISH_BY_HTTP,
                          ConfigChangePointCutTypes.PUBLISH_BY_RPC};
              }
          });
          ConfigChangePluginManager.join(new ConfigChangePluginService() {
              @Override
              public void execute(ConfigChangeRequest configChangeRequest, ConfigChangeResponse configChangeResponse) {
                  // ignore
              }
              
              @Override
              public ConfigChangeExecuteTypes executeType() {
                  return ConfigChangeExecuteTypes.EXECUTE_BEFORE_TYPE;
              }
              
              @Override
              public String getServiceType() {
                  return "test2";
              }
              
              @Override
              public int getOrder() {
                  return 200;
              }
              
              @Override
              public ConfigChangePointCutTypes[] pointcutMethodNames() {
                  return new ConfigChangePointCutTypes[] {ConfigChangePointCutTypes.IMPORT_BY_HTTP, ConfigChangePointCutTypes.PUBLISH_BY_RPC};
              }
          });
          ConfigChangePluginManager.join(new ConfigChangePluginService() {
              @Override
              public void execute(ConfigChangeRequest configChangeRequest, ConfigChangeResponse configChangeResponse) {
                  // ignore
              }
              
              @Override
              public ConfigChangeExecuteTypes executeType() {
                  return ConfigChangeExecuteTypes.EXECUTE_AFTER_TYPE;
              }
              
              @Override
              public String getServiceType() {
                  return "test3";
              }
              
              @Override
              public int getOrder() {
                  return 400;
              }
              
              @Override
              public ConfigChangePointCutTypes[] pointcutMethodNames() {
                  return new ConfigChangePointCutTypes[] {ConfigChangePointCutTypes.IMPORT_BY_HTTP, ConfigChangePointCutTypes.PUBLISH_BY_RPC,
                          ConfigChangePointCutTypes.REMOVE_BATCH_HTTP, ConfigChangePointCutTypes.REMOVE_BY_RPC,
                          ConfigChangePointCutTypes.REMOVE_BY_HTTP};
              }
          });
          
          ConfigChangePluginManager.join(new ConfigChangePluginService() {
              @Override
              public void execute(ConfigChangeRequest configChangeRequest, ConfigChangeResponse configChangeResponse) {
                  // ignore
              }
              
              @Override
              public ConfigChangeExecuteTypes executeType() {
                  return ConfigChangeExecuteTypes.EXECUTE_AFTER_TYPE;
              }
              
              @Override
              public String getServiceType() {
                  return "test4";
              }
              
              @Override
              public int getOrder() {
                  return 600;
              }
              
              @Override
              public ConfigChangePointCutTypes[] pointcutMethodNames() {
                  return new ConfigChangePointCutTypes[] {ConfigChangePointCutTypes.PUBLISH_BY_HTTP,
                          ConfigChangePointCutTypes.REMOVE_BATCH_HTTP, ConfigChangePointCutTypes.REMOVE_BY_RPC,
                          ConfigChangePointCutTypes.REMOVE_BY_HTTP};
              }
          });
          
      }
      
      @Test
      void testFindPluginServiceQueueByPointcut() {
          List<ConfigChangePluginService> configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(
                  ConfigChangePointCutTypes.PUBLISH_BY_HTTP);
          assertEquals(2, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
          configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(ConfigChangePointCutTypes.PUBLISH_BY_RPC);
          assertEquals(3, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
          configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(ConfigChangePointCutTypes.IMPORT_BY_HTTP);
          assertEquals(2, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
          configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(ConfigChangePointCutTypes.REMOVE_BATCH_HTTP);
          assertEquals(2, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
          configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(ConfigChangePointCutTypes.REMOVE_BY_RPC);
          assertEquals(2, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
          configChangePluginServices = ConfigChangePluginManager.findPluginServicesByPointcut(ConfigChangePointCutTypes.REMOVE_BY_HTTP);
          assertEquals(2, configChangePluginServices.size());
          assertTrue(isSorted(configChangePluginServices));
      }
      
      @Test
      void testFindPluginServiceByServiceType() {
          Optional<ConfigChangePluginService> configChangePluginServiceOptional = ConfigChangePluginManager.getInstance()
                  .findPluginServiceImpl("test1");
          assertTrue(configChangePluginServiceOptional.isPresent());
          configChangePluginServiceOptional = ConfigChangePluginManager.getInstance().findPluginServiceImpl("test2");
          assertTrue(configChangePluginServiceOptional.isPresent());
          configChangePluginServiceOptional = ConfigChangePluginManager.getInstance().findPluginServiceImpl("test3");
          assertTrue(configChangePluginServiceOptional.isPresent());
          configChangePluginServiceOptional = ConfigChangePluginManager.getInstance().findPluginServiceImpl("test4");
          assertTrue(configChangePluginServiceOptional.isPresent());
          configChangePluginServiceOptional = ConfigChangePluginManager.getInstance().findPluginServiceImpl("test5");
          assertFalse(configChangePluginServiceOptional.isPresent());
      }
      
      private boolean isSorted(List<ConfigChangePluginService> list) {
          return IntStream.range(0, list.size() - 1).allMatch(i -> list.get(i).getOrder() <= list.get(i + 1).getOrder());
      }
  }
  