content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.ambari.server.controller.metrics;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.ambari.server.controller.jmx.JMXMetricHolder;
  import org.junit.Assert;
  import org.junit.Test;
  
  import com.fasterxml.jackson.databind.MapperFeature;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.ObjectReader;
  
  public class ThreadPoolEnabledPropertyProviderTest {
  
    @Test
    public void testGetCacheKeyForException() throws Exception {
      ObjectMapper jmxObjectMapper = new ObjectMapper();
      jmxObjectMapper.configure(MapperFeature.USE_ANNOTATIONS, false);
      ObjectReader jmxObjectReader = jmxObjectMapper.reader(JMXMetricHolder.class);
  
      List<Exception> exceptions = new ArrayList<>();
      for (int i = 0; i < 2; i++) {
        try{
          jmxObjectReader.readValue("Invalid string");
        } catch (Exception e) {
          // Exception messages will be different with each iteration.
          exceptions.add(e);
        }
      }
      Assert.assertEquals(ThreadPoolEnabledPropertyProvider.getCacheKeyForException(exceptions.get(0)),
          ThreadPoolEnabledPropertyProvider.getCacheKeyForException(exceptions.get(1)));
    }
  }
  