/*
* Licensed 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 com.facebook.presto.kafka.decoder.raw;
import com.facebook.presto.kafka.KafkaColumnHandle;
import com.facebook.presto.kafka.KafkaFieldValueProvider;
import com.facebook.presto.kafka.decoder.KafkaFieldDecoder;
import com.facebook.presto.spi.type.BigintType;
import com.facebook.presto.spi.type.BooleanType;
import com.facebook.presto.spi.type.VarcharType;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import org.testng.annotations.Test;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static com.facebook.presto.kafka.decoder.util.DecoderTestUtil.checkValue;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
public class TestRawDecoder
{
private static final RawKafkaFieldDecoder DEFAULT_FIELD_DECODER = new RawKafkaFieldDecoder();
private static Map<KafkaColumnHandle, KafkaFieldDecoder<?>> buildMap(List<KafkaColumnHandle> columns)
{
ImmutableMap.Builder<KafkaColumnHandle, KafkaFieldDecoder<?>> map = ImmutableMap.builder();
for (KafkaColumnHandle column : columns) {
map.put(column, DEFAULT_FIELD_DECODER);
}
return map.build();
}
@Test
public void testSimple()
{
ByteBuffer buf = ByteBuffer.allocate(100);
buf.putLong(4815162342L); // 0 - 7
buf.putInt(12345678); // 8 - 11
buf.putShort((short) 4567); // 12 - 13
buf.put((byte) 123); // 14
buf.put("Ich bin zwei Oeltanks".getBytes(StandardCharsets.UTF_8)); // 15+
byte[] row = new byte[buf.position()];
System.arraycopy(buf.array(), 0, row, 0, buf.position());
RawKafkaRowDecoder rowDecoder = new RawKafkaRowDecoder();
KafkaColumnHandle row1 = new KafkaColumnHandle("", 0, "row1", BigintType.BIGINT, "0", "LONG", null, false, false, false);
KafkaColumnHandle row2 = new KafkaColumnHandle("", 1, "row2", BigintType.BIGINT, "8", "INT", null, false, false, false);
KafkaColumnHandle row3 = new KafkaColumnHandle("", 2, "row3", BigintType.BIGINT, "12", "SHORT", null, false, false, false);
KafkaColumnHandle row4 = new KafkaColumnHandle("", 3, "row4", BigintType.BIGINT, "14", "BYTE", null, false, false, false);
KafkaColumnHandle row5 = new KafkaColumnHandle("", 4, "row5", VarcharType.VARCHAR, "15", null, null, false, false, false);
List<KafkaColumnHandle> columns = ImmutableList.of(row1, row2, row3, row4, row5);
Set<KafkaFieldValueProvider> providers = new HashSet<>();
boolean corrupt = rowDecoder.decodeRow(row, providers, columns, buildMap(columns));
assertFalse(corrupt);
assertEquals(providers.size(), columns.size());
checkValue(providers, row1, 4815162342L);
checkValue(providers, row2, 12345678);
checkValue(providers, row3, 4567);
checkValue(providers, row4, 123);
checkValue(providers, row5, "Ich bin zwei Oeltanks");
}
@Test
public void testFixedWithString()
{
String str = "Ich bin zwei Oeltanks";
byte[] row = str.getBytes(StandardCharsets.UTF_8);
RawKafkaRowDecoder rowDecoder = new RawKafkaRowDecoder();
KafkaColumnHandle row1 = new KafkaColumnHandle("", 0, "row1", VarcharType.VARCHAR, null, null, null, false, false, false);
KafkaColumnHandle row2 = new KafkaColumnHandle("", 1, "row2", VarcharType.VARCHAR, "0", null, null, false, false, false);
KafkaColumnHandle row3 = new KafkaColumnHandle("", 2, "row3", VarcharType.VARCHAR, "0:4", null, null, false, false, false);
KafkaColumnHandle row4 = new KafkaColumnHandle("", 3, "row4", VarcharType.VARCHAR, "5:8", null, null, false, false, false);
List<KafkaColumnHandle> columns = ImmutableList.of(row1, row2, row3, row4);
Set<KafkaFieldValueProvider> providers = new HashSet<>();
boolean corrupt = rowDecoder.decodeRow(row, providers, columns, buildMap(columns));
assertFalse(corrupt);
assertEquals(providers.size(), columns.size());
checkValue(providers, row1, str);
checkValue(providers, row2, str);
// these only work for single byte encodings...
checkValue(providers, row3, str.substring(0, 4));
checkValue(providers, row4, str.substring(5, 8));
}
@SuppressWarnings("NumericCastThatLosesPrecision")
@Test
public void testFloatStuff()
{
ByteBuffer buf = ByteBuffer.allocate(100);
buf.putDouble(Math.PI);
buf.putFloat((float) Math.E);
buf.putDouble(Math.E);
byte[] row = new byte[buf.position()];
System.arraycopy(buf.array(), 0, row, 0, buf.position());
RawKafkaRowDecoder rowDecoder = new RawKafkaRowDecoder();
KafkaColumnHandle row1 = new KafkaColumnHandle("", 0, "row1", VarcharType.VARCHAR, null, "DOUBLE", null, false, false, false);
KafkaColumnHandle row2 = new KafkaColumnHandle("", 1, "row2", VarcharType.VARCHAR, "8", "FLOAT", null, false, false, false);
List<KafkaColumnHandle> columns = ImmutableList.of(row1, row2);
Set<KafkaFieldValueProvider> providers = new HashSet<>();
boolean corrupt = rowDecoder.decodeRow(row, providers, columns, buildMap(columns));
assertFalse(corrupt);
assertEquals(providers.size(), columns.size());
checkValue(providers, row1, Math.PI);
checkValue(providers, row2, Math.E);
}
@Test
public void testBooleanStuff()
{
ByteBuffer buf = ByteBuffer.allocate(100);
buf.put((byte) 127); // offset 0
buf.putLong(0); // offset 1
buf.put((byte) 126); // offset 9
buf.putLong(1); // offset 10
buf.put((byte) 125); // offset 18
buf.putInt(0); // offset 19
buf.put((byte) 124); // offset 23
buf.putInt(1); // offset 24
buf.put((byte) 123); // offset 28
buf.putShort((short) 0); // offset 29
buf.put((byte) 122); // offset 31
buf.putShort((short) 1); // offset 32
buf.put((byte) 121); // offset 34
buf.put((byte) 0); // offset 35
buf.put((byte) 120); // offset 36
buf.put((byte) 1); // offset 37
byte[] row = new byte[buf.position()];
System.arraycopy(buf.array(), 0, row, 0, buf.position());
RawKafkaRowDecoder rowDecoder = new RawKafkaRowDecoder();
KafkaColumnHandle row01 = new KafkaColumnHandle("", 0, "row01", BigintType.BIGINT, "0", "BYTE", null, false, false, false);
KafkaColumnHandle row02 = new KafkaColumnHandle("", 1, "row02", BooleanType.BOOLEAN, "1", "LONG", null, false, false, false);
KafkaColumnHandle row03 = new KafkaColumnHandle("", 2, "row03", BigintType.BIGINT, "9", "BYTE", null, false, false, false);
KafkaColumnHandle row04 = new KafkaColumnHandle("", 3, "row04", BooleanType.BOOLEAN, "10", "LONG", null, false, false, false);
KafkaColumnHandle row11 = new KafkaColumnHandle("", 4, "row11", BigintType.BIGINT, "18", "BYTE", null, false, false, false);
KafkaColumnHandle row12 = new KafkaColumnHandle("", 5, "row12", BooleanType.BOOLEAN, "19", "INT", null, false, false, false);
KafkaColumnHandle row13 = new KafkaColumnHandle("", 6, "row13", BigintType.BIGINT, "23", "BYTE", null, false, false, false);
KafkaColumnHandle row14 = new KafkaColumnHandle("", 7, "row14", BooleanType.BOOLEAN, "24", "INT", null, false, false, false);
KafkaColumnHandle row21 = new KafkaColumnHandle("", 8, "row21", BigintType.BIGINT, "28", "BYTE", null, false, false, false);
KafkaColumnHandle row22 = new KafkaColumnHandle("", 9, "row22", BooleanType.BOOLEAN, "29", "SHORT", null, false, false, false);
KafkaColumnHandle row23 = new KafkaColumnHandle("", 10, "row23", BigintType.BIGINT, "31", "BYTE", null, false, false, false);
KafkaColumnHandle row24 = new KafkaColumnHandle("", 11, "row24", BooleanType.BOOLEAN, "32", "SHORT", null, false, false, false);
KafkaColumnHandle row31 = new KafkaColumnHandle("", 12, "row31", BigintType.BIGINT, "34", "BYTE", null, false, false, false);
KafkaColumnHandle row32 = new KafkaColumnHandle("", 13, "row32", BooleanType.BOOLEAN, "35", "BYTE", null, false, false, false);
KafkaColumnHandle row33 = new KafkaColumnHandle("", 14, "row33", BigintType.BIGINT, "36", "BYTE", null, false, false, false);
KafkaColumnHandle row34 = new KafkaColumnHandle("", 15, "row34", BooleanType.BOOLEAN, "37", "BYTE", null, false, false, false);
List<KafkaColumnHandle> columns = ImmutableList.of(row01,
row02,
row03,
row04,
row11,
row12,
row13,
row14,
row21,
row22,
row23,
row24,
row31,
row32,
row33,
row34);
Set<KafkaFieldValueProvider> providers = new HashSet<>();
boolean corrupt = rowDecoder.decodeRow(row, providers, columns, buildMap(columns));
assertFalse(corrupt);
assertEquals(providers.size(), columns.size());
checkValue(providers, row01, 127);
checkValue(providers, row02, false);
checkValue(providers, row03, 126);
checkValue(providers, row04, true);
checkValue(providers, row11, 125);
checkValue(providers, row12, false);
checkValue(providers, row13, 124);
checkValue(providers, row14, true);
checkValue(providers, row21, 123);
checkValue(providers, row22, false);
checkValue(providers, row23, 122);
checkValue(providers, row24, true);
checkValue(providers, row31, 121);
checkValue(providers, row32, false);
checkValue(providers, row33, 120);
checkValue(providers, row34, true);
}
}