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
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * 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.atlas.web.util;
  
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import org.apache.atlas.AtlasClient;
  import org.testng.annotations.Test;
  
  import javax.ws.rs.core.Response;
  
  import static org.testng.Assert.assertNotNull;
  
  @Test
  public class ServletsTest {
      public void testEmptyMessage() throws Exception {
          //This shouldn't throw exception
          Response response = Servlets.getErrorResponse(new NullPointerException(), Response.Status.INTERNAL_SERVER_ERROR);
  
          assertNotNull(response);
  
          ObjectNode responseEntity = (ObjectNode) response.getEntity();
  
          assertNotNull(responseEntity);
          assertNotNull(responseEntity.get(AtlasClient.ERROR));
      }
  }
  