/**
* 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.avro.reflect;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import org.apache.avro.FooBarSpecificRecord;
import org.apache.avro.io.Decoder;
import org.apache.avro.io.DecoderFactory;
import org.apache.avro.io.Encoder;
import org.apache.avro.io.EncoderFactory;
import org.apache.avro.specific.TestSpecificDatumReader;
import org.junit.Test;
public class TestReflectDatumReader {
@Test
public void testRead_SpecificDataRecord() throws IOException {
FooBarSpecificRecord specificRecord = FooBarSpecificRecord.newBuilder().setId(42)
.setRelatedids(Arrays.asList(1, 2, 3)).build();
byte[] specificRecordBytes = TestSpecificDatumReader.serializeRecord(specificRecord);
Decoder decoder = DecoderFactory.get().binaryDecoder(specificRecordBytes, null);
ReflectDatumReader<FooBarSpecificRecord> reflectDatumReader = new ReflectDatumReader<FooBarSpecificRecord>(
FooBarSpecificRecord.class);
FooBarSpecificRecord deserialized = new FooBarSpecificRecord();
reflectDatumReader.read(deserialized, decoder);
assertEquals(specificRecord, deserialized);
}
private static <T> byte[] serializeWithReflectDatumWriter(T toSerialize, Class<T> toSerializeClass)
throws IOException {
ReflectDatumWriter<T> datumWriter = new ReflectDatumWriter<T>(toSerializeClass);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
Encoder encoder = EncoderFactory.get().binaryEncoder(byteArrayOutputStream, null);
datumWriter.write(toSerialize, encoder);
encoder.flush();
return byteArrayOutputStream.toByteArray();
}
@Test
public void testRead_PojoWithList() throws IOException {
PojoWithList pojoWithList = new PojoWithList();
pojoWithList.setId(42);
pojoWithList.setRelatedIds(Arrays.asList(1, 2, 3));
byte[] serializedBytes = serializeWithReflectDatumWriter(pojoWithList, PojoWithList.class);
Decoder decoder = DecoderFactory.get().binaryDecoder(serializedBytes, null);
ReflectDatumReader<PojoWithList> reflectDatumReader = new ReflectDatumReader<PojoWithList>(
PojoWithList.class);
PojoWithList deserialized = new PojoWithList();
reflectDatumReader.read(deserialized, decoder);
assertEquals(pojoWithList, deserialized);
}
@Test
public void testRead_PojoWithArray() throws IOException {
PojoWithArray pojoWithArray = new PojoWithArray();
pojoWithArray.setId(42);
pojoWithArray.setRelatedIds(new int[] { 1, 2, 3 });
byte[] serializedBytes = serializeWithReflectDatumWriter(pojoWithArray, PojoWithArray.class);
Decoder decoder = DecoderFactory.get().binaryDecoder(serializedBytes, null);
ReflectDatumReader<PojoWithArray> reflectDatumReader = new ReflectDatumReader<PojoWithArray>(
PojoWithArray.class);
PojoWithArray deserialized = new PojoWithArray();
reflectDatumReader.read(deserialized, decoder);
assertEquals(pojoWithArray, deserialized);
}
public static class PojoWithList {
private int id;
private List<Integer> relatedIds;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public List<Integer> getRelatedIds() {
return relatedIds;
}
public void setRelatedIds(List<Integer> relatedIds) {
this.relatedIds = relatedIds;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + id;
result = prime * result + ((relatedIds == null) ? 0 : relatedIds.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PojoWithList other = (PojoWithList) obj;
if (id != other.id)
return false;
if (relatedIds == null) {
if (other.relatedIds != null)
return false;
} else if (!relatedIds.equals(other.relatedIds))
return false;
return true;
}
}
public static class PojoWithArray {
private int id;
private int[] relatedIds;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int[] getRelatedIds() {
return relatedIds;
}
public void setRelatedIds(int[] relatedIds) {
this.relatedIds = relatedIds;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + id;
result = prime * result + Arrays.hashCode(relatedIds);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PojoWithArray other = (PojoWithArray) obj;
if (id != other.id)
return false;
if (!Arrays.equals(relatedIds, other.relatedIds))
return false;
return true;
}
}
}