content: package com.alibaba.cps.sentinel.metric.exporter;
  
  import com.alibaba.csp.sentinel.metric.exporter.jmx.MBeanRegistry;
  import com.alibaba.csp.sentinel.metric.exporter.jmx.MetricBean;
  import org.junit.Assert;
  import org.junit.Test;
  
  import javax.management.JMException;
  
  /**
   * {@link com.alibaba.csp.sentinel.metric.exporter.jmx.MBeanRegistry} unit test.
   *
   * @author chenglu
   * @date 2021-07-01 23:07
   */
  public class MBeanRegistryTest {
      
      @Test
      public void testMBeanRegistry() throws JMException {
          MBeanRegistry mBeanRegistry = MBeanRegistry.getInstance();
      
          MetricBean metricBean = new MetricBean();
          String mBeanName = "Sentinel:type=test,name=test";
          mBeanRegistry.register(metricBean, mBeanName);
          
          MetricBean mb1 = mBeanRegistry.findMBean(mBeanName);
          Assert.assertEquals(mb1, metricBean);
          
          mBeanRegistry.unRegister(metricBean);
      
          MetricBean mb2 = mBeanRegistry.findMBean(mBeanName);
          Assert.assertNull(mb2);
      }
  }
  