/*
* 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.accumulo.serializers;
import com.facebook.presto.block.BlockEncodingManager;
import com.facebook.presto.metadata.FunctionRegistry;
import com.facebook.presto.spi.type.StandardTypes;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.spi.type.TypeManager;
import com.facebook.presto.spi.type.TypeSignatureParameter;
import com.facebook.presto.sql.analyzer.FeaturesConfig;
import com.facebook.presto.type.ArrayType;
import com.facebook.presto.type.TypeRegistry;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Mutation;
import org.apache.accumulo.core.data.Value;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.testng.annotations.Test;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.DateType.DATE;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.IntegerType.INTEGER;
import static com.facebook.presto.spi.type.RealType.REAL;
import static com.facebook.presto.spi.type.SmallintType.SMALLINT;
import static com.facebook.presto.spi.type.TimeType.TIME;
import static com.facebook.presto.spi.type.TimestampType.TIMESTAMP;
import static com.facebook.presto.spi.type.TinyintType.TINYINT;
import static com.facebook.presto.spi.type.VarbinaryType.VARBINARY;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.testng.Assert.assertEquals;
public abstract class AbstractTestAccumuloRowSerializer
{
private final Class<? extends AccumuloRowSerializer> serializerClass;
private static final String COLUMN_NAME = "foo";
protected AbstractTestAccumuloRowSerializer(Class<? extends AccumuloRowSerializer> serializerClass)
{
this.serializerClass = serializerClass;
}
@Test
public void testArray()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = new ArrayType(VARCHAR);
List<Object> expected = ImmutableList.of("a", "b", "c");
byte[] data = serializer.encode(type, AccumuloRowSerializer.getBlockFromArray(VARCHAR, expected));
List<Object> actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = AccumuloRowSerializer.getArrayFromBlock(VARCHAR, serializer.getArray(COLUMN_NAME, type));
assertEquals(actual, expected);
}
@Test
public void testBoolean()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = BOOLEAN;
byte[] data = serializer.encode(type, true);
boolean actual = serializer.decode(type, data);
assertEquals(actual, true);
deserializeData(serializer, data);
actual = serializer.getBoolean(COLUMN_NAME);
assertEquals(actual, true);
data = serializer.encode(type, false);
actual = serializer.decode(type, data);
assertEquals(actual, false);
deserializeData(serializer, data);
actual = serializer.getBoolean(COLUMN_NAME);
assertEquals(actual, false);
}
@Test
public void testDate()
throws Exception
{
Date expected = new Date(new DateTime(2001, 2, 3, 4, 5, 6, DateTimeZone.UTC).getMillis());
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
byte[] data = serializer.encode(DATE, expected);
deserializeData(serializer, data);
Date actual = serializer.getDate(COLUMN_NAME);
// Convert milliseconds to days so they can be compared regardless of the time of day
assertEquals(MILLISECONDS.toDays(actual.getTime()), MILLISECONDS.toDays(expected.getTime()));
}
@Test
public void testDouble()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = DOUBLE;
Double expected = 123.45678;
byte[] data = serializer.encode(type, expected);
Double actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getDouble(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testFloat()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = REAL;
Float expected = 123.45678f;
byte[] data = serializer.encode(type, expected);
Float actual = ((Double) serializer.decode(type, data)).floatValue();
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getFloat(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testInt()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = INTEGER;
Integer expected = 123456;
byte[] data = serializer.encode(type, expected);
@SuppressWarnings("unchecked")
Integer actual = ((Long) serializer.decode(type, data)).intValue();
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getInt(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testLong()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = BIGINT;
Long expected = 123456L;
byte[] data = serializer.encode(type, expected);
Long actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getLong(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testMap()
throws Exception
{
TypeManager typeManager = new TypeRegistry();
// associate typeManager with a function registry
new FunctionRegistry(typeManager, new BlockEncodingManager(typeManager), new FeaturesConfig());
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = typeManager.getParameterizedType(StandardTypes.MAP, ImmutableList.of(
TypeSignatureParameter.of(VARCHAR.getTypeSignature()),
TypeSignatureParameter.of(BIGINT.getTypeSignature())));
Map<Object, Object> expected = ImmutableMap.of("a", 1L, "b", 2L, "3", 3L);
byte[] data = serializer.encode(type, AccumuloRowSerializer.getBlockFromMap(type, expected));
Map<Object, Object> actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = AccumuloRowSerializer.getMapFromBlock(type, serializer.getMap(COLUMN_NAME, type));
assertEquals(actual, expected);
}
@Test
public void testSmallInt()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = SMALLINT;
Short expected = 12345;
byte[] data = serializer.encode(type, expected);
Short actual = ((Long) serializer.decode(type, data)).shortValue();
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getShort(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testTime()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = TIME;
Time expected = new Time(new java.util.Date().getTime());
byte[] data = serializer.encode(type, expected);
Time actual = new Time(serializer.decode(type, data));
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getTime(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testTimestamp()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = TIMESTAMP;
Timestamp expected = new Timestamp(new java.util.Date().getTime());
byte[] data = serializer.encode(type, expected);
Timestamp actual = new Timestamp(serializer.decode(type, data));
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getTimestamp(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testTinyInt()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = TINYINT;
Byte expected = 123;
byte[] data = serializer.encode(type, expected);
Byte actual = ((Long) serializer.decode(type, data)).byteValue();
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getByte(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testVarbinary()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = VARBINARY;
byte[] expected = b(UUID.randomUUID().toString());
byte[] data = serializer.encode(type, expected);
byte[] actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getVarbinary(COLUMN_NAME);
assertEquals(actual, expected);
}
@Test
public void testVarchar()
throws Exception
{
AccumuloRowSerializer serializer = serializerClass.getConstructor().newInstance();
Type type = VARCHAR;
String expected = UUID.randomUUID().toString();
byte[] data = serializer.encode(type, expected);
String actual = serializer.decode(type, data);
assertEquals(actual, expected);
deserializeData(serializer, data);
actual = serializer.getVarchar(COLUMN_NAME);
assertEquals(actual, expected);
}
protected void deserializeData(AccumuloRowSerializer serializer, byte[] data)
throws Exception
{
Mutation m = new Mutation("row");
m.put(b("a"), b("a"), data);
Key key = new Key(b("row"), b("a"), b("b"), b(), 0, false);
Value value = new Value(data);
serializer.setMapping(COLUMN_NAME, "a", "b");
serializer.deserialize(new SimpleImmutableEntry<>(key, value));
}
protected static byte[] b(String str)
{
return str.getBytes(UTF_8);
}
protected static byte[] b()
{
return new byte[0];
}
}