content: /*
   * Copyright 1999-2024 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.service.dump;
  
  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.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  import org.springframework.test.context.junit.jupiter.SpringExtension;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyString;
  
  @ExtendWith(SpringExtension.class)
  class HistoryConfigCleanerConfigTest {
      
      MockedStatic<EnvUtil> envUtilMockedStatic;
      
      @BeforeEach
      public void before() {
          envUtilMockedStatic = Mockito.mockStatic(EnvUtil.class);
      }
      
      @Test
      public void test() {
          envUtilMockedStatic.when(() -> EnvUtil.getProperty(anyString(), any(), anyString())).thenReturn("test");
          HistoryConfigCleanerConfig historyConfigCleanerConfig = HistoryConfigCleanerConfig.getInstance();
          historyConfigCleanerConfig.getConfigFromEnv();
          assertEquals("test", historyConfigCleanerConfig.getActiveHistoryConfigCleaner());
          envUtilMockedStatic.when(() -> EnvUtil.getProperty(anyString(), any(), anyString())).thenReturn(null);
          historyConfigCleanerConfig.getConfigFromEnv();
          assertEquals("nacos", historyConfigCleanerConfig.getActiveHistoryConfigCleaner());
      }
      
      @AfterEach
      public void after() {
          envUtilMockedStatic.close();
      }
      
  }