test/unit/org/apache/cassandra/db/marshal/TypeParserTest.java

/**
 * 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 org.junit.BeforeClass;
import org.junit.Test;

import static org.junit.Assert.assertSame;
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;

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
    {
        for (IPartitioner partitioner: new IPartitioner[] { Murmur3Partitioner.instance,
                                                            ByteOrderedPartitioner.instance,
                                                            RandomPartitioner.instance,
                                                            OrderPreservingPartitioner.instance })
        {
            AbstractType<?> type = partitioner.partitionOrdering();
            assertSame(type, TypeParser.parse(type.toString()));
        }
        assertSame(DatabaseDescriptor.getPartitioner().partitionOrdering(), TypeParser.parse("PartitionerDefinedOrder"));
    }
}