content: /*
   * Copyright 1999-2020 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.misc;
  
  import com.alibaba.nacos.common.event.ServerConfigChangeEvent;
  import com.alibaba.nacos.common.notify.NotifyCenter;
  import com.alibaba.nacos.naming.constants.ClientConstants;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.springframework.mock.env.MockEnvironment;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.InvocationTargetException;
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  class ClientConfigTest {
      
      private static final long EXPIRED_TIME = 10000L;
      
      private ClientConfig clientConfig;
      
      private MockEnvironment mockEnvironment;
      
      @BeforeEach
      void setUp() throws Exception {
          mockEnvironment = new MockEnvironment();
          EnvUtil.setEnvironment(mockEnvironment);
          clientConfig = ClientConfig.getInstance();
      }
      
      @Test
      void testUpgradeConfig() throws InterruptedException {
          mockEnvironment.setProperty(ClientConstants.CLIENT_EXPIRED_TIME_CONFIG_KEY, String.valueOf(EXPIRED_TIME));
          NotifyCenter.publishEvent(ServerConfigChangeEvent.newEvent());
          TimeUnit.SECONDS.sleep(1);
          assertEquals(EXPIRED_TIME, clientConfig.getClientExpiredTime());
      }
      
      @Test
      void testInitConfigFormEnv() throws NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {
          mockEnvironment.setProperty(ClientConstants.CLIENT_EXPIRED_TIME_CONFIG_KEY, String.valueOf(EXPIRED_TIME));
          Constructor<ClientConfig> declaredConstructor = ClientConfig.class.getDeclaredConstructor();
          declaredConstructor.setAccessible(true);
          ClientConfig clientConfig = declaredConstructor.newInstance();
          assertEquals(EXPIRED_TIME, clientConfig.getClientExpiredTime());
      }
  }
  