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   * 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.cassandra.cql3.functions;
  
  import java.nio.charset.CharacterCodingException;
  
  import org.junit.Test;
  
  import org.apache.cassandra.db.marshal.Int32Type;
  import org.apache.cassandra.exceptions.InvalidRequestException;
  import org.apache.cassandra.tcm.Transformation;
  import org.apache.cassandra.transport.ProtocolVersion;
  import org.apache.cassandra.utils.ByteBufferUtil;
  import org.assertj.core.api.Assertions;
  
  import static org.apache.cassandra.cql3.functions.ClusterMetadataFcts.transformationKind;
  import static org.junit.Assert.assertEquals;
  
  public class ClusterMetadataFctsTest
  {
  
      @Test
      public void testTransformationKind() throws CharacterCodingException
      {
          int max = -1;
          for (Transformation.Kind kind : Transformation.Kind.values())
          {
              Arguments arguments = transformationKind.newArguments(ProtocolVersion.CURRENT);
              arguments.set(0, Int32Type.instance.decompose(kind.id));
              assertEquals(kind.name(), ByteBufferUtil.string(transformationKind.execute(arguments)));
              if (kind.id > max)
                  max = kind.id;
          }
  
          for (int boundary : new int[]{-1, max+1})
          {
              Arguments arguments = transformationKind.newArguments(ProtocolVersion.CURRENT);
              arguments.set(0, Int32Type.instance.decompose(boundary));
              try
              {
                  transformationKind.execute(arguments);
              }
              catch (Exception e)
              {
                  Assertions.assertThat(e)
                            .isInstanceOf(InvalidRequestException.class)
                            .hasMessageContaining(boundary + " is not a valid Transformation.Kind id");
              }
          }
  
      }
  }
  