| /* |
| * 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.transport; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.junit.Test; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| import org.apache.cassandra.db.marshal.AsciiType; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.utils.Pair; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class DataTypeTest |
| { |
| @Test |
| public void TestSimpleDataTypeSerialization() |
| { |
| for (DataType type : DataType.values()) |
| { |
| if (isComplexType(type)) |
| continue; |
| |
| Pair<DataType, Object> options = Pair.create(type, (Object)type.toString()); |
| for (ProtocolVersion version : ProtocolVersion.SUPPORTED) |
| testEncodeDecode(type, options, version); |
| } |
| } |
| |
| @Test |
| public void TestListDataTypeSerialization() |
| { |
| DataType type = DataType.LIST; |
| Pair<DataType, Object> options = Pair.create(type, (Object)LongType.instance); |
| for (ProtocolVersion version : ProtocolVersion.SUPPORTED) |
| testEncodeDecode(type, options, version); |
| } |
| |
| @Test |
| public void TestMapDataTypeSerialization() |
| { |
| DataType type = DataType.MAP; |
| List<AbstractType> value = new ArrayList<>(); |
| value.add(LongType.instance); |
| value.add(AsciiType.instance); |
| Pair<DataType, Object> options = Pair.create(type, (Object)value); |
| for (ProtocolVersion version : ProtocolVersion.SUPPORTED) |
| testEncodeDecode(type, options, version); |
| } |
| |
| private void testEncodeDecode(DataType type, Pair<DataType, Object> options, ProtocolVersion version) |
| { |
| int optLength = DataType.codec.oneSerializedSize(options, version); |
| ByteBuf dest = Unpooled.buffer(optLength); |
| DataType.codec.writeOne(options, dest, version); |
| Pair<DataType, Object> result = DataType.codec.decodeOne(dest, version); |
| |
| System.out.println(result + "version " + version); |
| int ssize = type.serializedValueSize(result.right, version); |
| int esize = version.isSmallerThan(type.getProtocolVersion()) ? 2 + TypeSizes.encodedUTF8Length(result.right.toString()) : 0; |
| switch (type) |
| { |
| case LIST: |
| case SET: |
| esize += 2; |
| break; |
| case MAP: |
| esize += 4; |
| break; |
| case CUSTOM: |
| esize = 8; |
| break; |
| } |
| assertEquals(esize, ssize); |
| |
| DataType expected = version.isSmallerThan(type.getProtocolVersion()) |
| ? DataType.CUSTOM |
| : type; |
| assertEquals(expected, result.left); |
| } |
| |
| private boolean isComplexType(DataType type) |
| { |
| return type.getId(ProtocolVersion.CURRENT) >= 32; |
| } |
| } |