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.cps.sentinel.metric.exporter;
  
  import com.alibaba.csp.sentinel.metric.exporter.jmx.MetricBeanWriter;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * {@link com.alibaba.csp.sentinel.metric.exporter.jmx.MetricBeanWriter} unit test
   *
   * @author quguai
   * @date 2022/12/7 21:33
   */
  public class MetricBeanWriterTest {
  
      @Test
      public void testEscapeSpecialCharacter() {
          String character = MetricBeanWriter.escapeSpecialCharacter(null);
          Assert.assertNull(character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("");
          Assert.assertEquals("", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("sentinel");
          Assert.assertEquals("sentinel", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("*sentinel");
          Assert.assertEquals("\"\\*sentinel\"", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("?sentinel");
          Assert.assertEquals("\"\\?sentinel\"", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("\nsentinel");
          Assert.assertEquals("\"\\nsentinel\"", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("\"sentinel");
          Assert.assertEquals("\"\\\"sentinel\"", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter("=sentinel");
          Assert.assertEquals("\"=sentinel\"", character);
  
          character = MetricBeanWriter.escapeSpecialCharacter(":sentinel");
          Assert.assertEquals("\":sentinel\"", character);
      }
  }
  