content: package com.alibaba.cloudapp.starter.base;
  
  import com.alibaba.cloudapp.starter.base.properties.ThreadPoolProperties;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.springframework.context.ApplicationContext;
  
  public class RefreshManagerTest {
      
      private RefreshManager refreshManager;
      
      private ApplicationContext applicationContext;
      private RefreshableComponent<?,?> component;
      
      @BeforeEach
      void setUp() {
          refreshManager = new RefreshManager();
          ThreadPoolProperties properties = new ThreadPoolProperties();
          component = new RefreshableComponent<ThreadPoolProperties, String>(
                  properties, "beanName"
          ) {
              @Override
              public void postStart() {}
              
              @Override
              public void preStop() {}
              
              @Override
              public String bindKey() {
                  return "bindKey";
              }
              
              @Override
              public String getName() {
                  return "test";
              }
              
              @Override
              protected String createBean(ThreadPoolProperties properties) {
                  return "beanName";
              }
          };
      }
      
      @Test
      void testRegister() {
          // Setup
          // Run the test
          refreshManager.register(component);
          
          // Verify the results
      }
      
      @Test
      void testUnregister() {
          // Setup
          
          // Run the test
          refreshManager.unregister(component);
          
          // Verify the results
      }
      
      @Test
      void testSetApplicationContext() {
          refreshManager.setApplicationContext(applicationContext);
      }
      
      @Test
      void testOnPropertiesChanged() {
          // Setup
          // Run the test
          RefreshManager.onPropertiesChanged("key");
          
          // Verify the results
      }
      
  }
  