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.cassandra.db.marshal;
  
  import com.google.common.collect.Lists;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.dht.*;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.exceptions.SyntaxException;
  
  import java.util.function.Consumer;
  
  public class TypeParserTest
  {
      @BeforeClass
      public static void initDD()
      {
          DatabaseDescriptor.daemonInitialization();
      }
  
      @Test
      public void testParse() throws ConfigurationException, SyntaxException
      {
          AbstractType<?> type;
  
          type = TypeParser.parse(null);
          assert type == BytesType.instance;
  
          type = TypeParser.parse("");
          assert type == BytesType.instance;
  
          type = TypeParser.parse("    ");
          assert type == BytesType.instance;
  
          type = TypeParser.parse("LongType");
          assert type == LongType.instance;
  
          type = TypeParser.parse("  LongType   ");
          assert type == LongType.instance;
  
          type = TypeParser.parse("LongType()");
          assert type == LongType.instance;
  
          type = TypeParser.parse("LongType(reversed=false)");
          assert type == LongType.instance;
  
          type = TypeParser.parse("LongType(reversed=true)");
          assert type == ReversedType.getInstance(LongType.instance);
          assert ((ReversedType<?>)type).baseType == LongType.instance;
  
          type = TypeParser.parse("LongType(reversed)");
          assert type == ReversedType.getInstance(LongType.instance);
          assert ((ReversedType<?>)type).baseType == LongType.instance;
      }
  
      @Test
      public void testParseError()
      {
          try
          {
              TypeParser.parse("y");
              fail("Should not pass");
          }
          catch (ConfigurationException e) {}
          catch (SyntaxException e) {}
  
          try
          {
              TypeParser.parse("LongType(reversed@)");
              fail("Should not pass");
          }
          catch (ConfigurationException e) {}
          catch (SyntaxException e) {}
      }
  
      @Test
      public void testParsePartitionerOrder() throws ConfigurationException, SyntaxException
      {
          assertForEachPartitioner(partitioner -> {
              AbstractType<?> type = partitioner.partitionOrdering(null);
              assertEquals(type, TypeParser.parse(type.toString()));
          });
          assertEquals(DatabaseDescriptor.getPartitioner().partitionOrdering(null), TypeParser.parse("PartitionerDefinedOrder"));
      }
      
      @Test
      public void testParsePartitionerOrderWithBaseType()
      {
          // default partitioner
          assertEquals(DatabaseDescriptor.getPartitioner().partitionOrdering(null), TypeParser.parse("PartitionerDefinedOrder"));
  
          // PartitionerDefinedOrder's base type is not composite type
          differentBaseTypeValidation(Int32Type.instance);
          // PartitionerDefinedOrder's base type is composite type
          differentBaseTypeValidation(CompositeType.getInstance(Int32Type.instance, UTF8Type.instance));
          // PartitionerDefinedOrder's base type is tuple type
          differentBaseTypeValidation(new TupleType(Lists.newArrayList(Int32Type.instance, UTF8Type.instance)));
          // PartitionerDefinedOrder's base type is ReversedType
          differentBaseTypeValidation(ReversedType.getInstance(Int32Type.instance));
          // PartitionerDefinedOrder's base type is CollectionType
          differentBaseTypeValidation(MapType.getInstance(Int32Type.instance, UTF8Type.instance, false));
      }
  
      @Test
      public void testParsePartitionerOrderMistMatch()
      {
          assertForEachPartitioner(partitioner -> {
              AbstractType<?> type = partitioner.partitionOrdering(null);
              if (type instanceof PartitionerDefinedOrder && !DatabaseDescriptor.getStorageCompatibilityMode().isBefore(5))
              {
                  PartitionerDefinedOrder tmp = (PartitionerDefinedOrder) type;
                  type = tmp.withPartitionKeyType(Int32Type.instance);
                  boolean result = partitioner.partitionOrdering(null).equals(TypeParser.parse(type.toString()));
                  assertFalse(result);
              }
              else
              {
                  // ByteOrderedPartitioner.instance and OrderPreservingPartitioner.instance's partitionOrdering will not be PartitionerDefinedOrder
                  boolean result = partitioner.partitionOrdering(null).equals(TypeParser.parse(type.toString()));
                  assertTrue(result);
              }
          });
          assertEquals(DatabaseDescriptor.getPartitioner().partitionOrdering(null), TypeParser.parse("PartitionerDefinedOrder"));
      }
  
      @Test
      public void testParsePartitionerOrderWithErrorFormat()
      {
          assertForEachPartitioner(partitioner -> {
              AbstractType<?> type = partitioner.partitionOrdering(null);
              if (type instanceof PartitionerDefinedOrder)
              {
                  // only Murmur3Partitioner and RandomPartitioner's partitionOrdering() are instanceof PartitionerDefinedOrder
                  String msgPartitioner = partitioner instanceof Murmur3Partitioner ? "Murmur3Partitioner" : "RandomPartitioner";
                  // error format PartitionerDefinedOrder(org.apache.cassandra.dht.Murmur3Partitioner,
                  String tmpStr1 =  type.toString().replace(')', ',');
                  try
                  {
                      TypeParser.parse(tmpStr1);
                      fail();
                  }
                  catch (Throwable t)
                  {
                      assertTrue(t.getCause().getMessage().contains("Syntax error parsing 'org.apache.cassandra.db.marshal.PartitionerDefinedOrder(org.apache.cassandra.dht." + msgPartitioner + ",: for msg unexpected character ','"));
                  }
  
                  // error format PartitionerDefinedOrder(org.apache.cassandra.dht.Murmur3Partitioner>
                  String tmpStr2 =  type.toString().replace(')', '>');
                  try
                  {
                      TypeParser.parse(tmpStr2);
                      fail();
                  }
                  catch (Throwable t)
                  {
                      assertTrue(t.getCause().getMessage().contains("Syntax error parsing 'org.apache.cassandra.db.marshal.PartitionerDefinedOrder(org.apache.cassandra.dht." + msgPartitioner + ">: for msg unexpected character '>'"));
                  }
  
                  // error format PartitionerDefinedOrder(org.apache.cassandra.dht.Murmur3Partitioner>
                  String tmpStr3 =  type.toString().replace(')', ':');
                  try
                  {
                      TypeParser.parse(tmpStr3);
                      fail();
                  }
                  catch (Throwable t)
                  {
                      assertTrue(t.getCause().getMessage().contains("Unable to find abstract-type class 'org.apache.cassandra.db.marshal.'"));
                  }
              }
          });
          assertEquals(DatabaseDescriptor.getPartitioner().partitionOrdering(null), TypeParser.parse("PartitionerDefinedOrder"));
      }
  
      private void differentBaseTypeValidation(AbstractType<?> baseType)
      {
          assertForEachPartitioner(partitioner -> {
              AbstractType<?> type = partitioner.partitionOrdering(null);
              if (type instanceof PartitionerDefinedOrder && !DatabaseDescriptor.getStorageCompatibilityMode().isBefore(5))
              {
                  PartitionerDefinedOrder tmp = (PartitionerDefinedOrder) type;
                  type = tmp.withPartitionKeyType(baseType);
              }
              assertEquals(type, TypeParser.parse(type.toString()));
          });
      }
  
      public static void assertForEachPartitioner(Consumer<IPartitioner> consumer)
      {
          for (IPartitioner partitioner : new IPartitioner[] { Murmur3Partitioner.instance,
                                                               ByteOrderedPartitioner.instance,
                                                               RandomPartitioner.instance,
                                                               OrderPreservingPartitioner.instance })
          {
              consumer.accept(partitioner);
          }
      }
  }
  