/**
* (c) Copyright 2012 WibiData, Inc.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* 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 org.kiji.schema;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.kiji.schema.avro.CellSchema;
import org.kiji.schema.avro.SchemaStorage;
import org.kiji.schema.avro.SchemaType;
import org.kiji.schema.avro.TestRecord;
import org.kiji.schema.impl.DefaultKijiCellEncoderFactory;
import org.kiji.schema.layout.CellSpec;
/** Tests for Kiji cell encoders. */
public class TestKijiCellEncoder extends KijiClientTest {
@Test
public void testEncodeCounter() throws IOException {
final KijiCellEncoder encoder =
DefaultKijiCellEncoderFactory.get().create(CellSpec.newCounter());
assertArrayEquals(Bytes.toBytes(3181L), encoder.encode(3181));
assertArrayEquals(Bytes.toBytes(3181L), encoder.encode(3181L));
}
@Test
public void testEncodeAvroInline() throws IOException {
final CellSpec cellSpec = CellSpec.create()
.setCellSchema(CellSchema.newBuilder()
.setStorage(SchemaStorage.FINAL)
.setType(SchemaType.INLINE)
.setValue("\"long\"")
.build());
final KijiCellEncoder encoder =
DefaultKijiCellEncoderFactory.get().create(cellSpec);
// Avro encodes 3181L as bytes [-38, 49]:
assertArrayEquals(new byte[]{-38, 49}, encoder.encode(3181L));
}
@Test
public void testEncodeAvroClass() throws IOException {
final CellSpec cellSpec = CellSpec.create()
.setCellSchema(CellSchema.newBuilder()
.setStorage(SchemaStorage.FINAL)
.setType(SchemaType.CLASS)
.setValue(TestRecord.class.getName())
.build());
final KijiCellEncoder encoder =
DefaultKijiCellEncoderFactory.get().create(cellSpec);
final TestRecord record = TestRecord.newBuilder()
.setA("a") // encodes as [2, 97]
.setB(1) // encodes as [2]
.setC(2) // encodes as [4]
.build();
assertArrayEquals(new byte[]{2, 97, 2, 4}, encoder.encode(record));
}
@Test
public void testEncodeAvroSchemaUID() throws IOException {
final CellSpec cellSpec = CellSpec.create()
.setCellSchema(CellSchema.newBuilder()
.setStorage(SchemaStorage.UID)
.setType(SchemaType.INLINE)
.setValue("\"long\"")
.build())
.setSchemaTable(getKiji().getSchemaTable());
final KijiCellEncoder encoder =
DefaultKijiCellEncoderFactory.get().create(cellSpec);
// Avro schema "long" has UID #3, and Avro encodes 3181L as bytes [-38, 49]:
assertArrayEquals(new byte[]{3, -38, 49}, encoder.encode(3181L));
}
@Test
public void testEncodeAvroSchemaHash() throws IOException {
final CellSpec cellSpec = CellSpec.create()
.setCellSchema(CellSchema.newBuilder()
.setStorage(SchemaStorage.HASH)
.setType(SchemaType.INLINE)
.setValue("\"long\"")
.build())
.setSchemaTable(getKiji().getSchemaTable());
final KijiCellEncoder encoder =
DefaultKijiCellEncoderFactory.get().create(cellSpec);
final byte[] bytes = encoder.encode(3181L);
assertEquals(16 + 2, bytes.length);
// Avro encodes 3181L as bytes [-38, 49]:
assertEquals(-38, bytes[16]);
assertEquals(49, bytes[17]);
}
}