| /* |
| * 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 |
| * |
| * https://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.hadoop.io; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.apache.avro.Schema; |
| import org.apache.avro.io.DatumReader; |
| import org.apache.avro.io.Decoder; |
| import org.apache.avro.io.DecoderFactory; |
| import org.apache.avro.generic.GenericDatumReader; |
| import org.apache.avro.mapred.AvroKey; |
| import org.junit.Test; |
| |
| public class TestAvroSerializer { |
| @Test |
| public void testSerialize() throws IOException { |
| // Create a serializer. |
| Schema writerSchema = Schema.create(Schema.Type.STRING); |
| AvroSerializer<CharSequence> serializer = new AvroSerializer<>(writerSchema); |
| |
| // Check the writer schema. |
| assertEquals(writerSchema, serializer.getWriterSchema()); |
| |
| // Serialize two records, 'record1' and 'record2'. |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| serializer.open(outputStream); |
| serializer.serialize(new AvroKey<>("record1")); |
| serializer.serialize(new AvroKey<>("record2")); |
| serializer.close(); |
| |
| // Make sure the records were serialized correctly. |
| ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray()); |
| Schema readerSchema = Schema.create(Schema.Type.STRING); |
| DatumReader<CharSequence> datumReader = new GenericDatumReader<>(readerSchema); |
| Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null); |
| CharSequence record = null; |
| |
| record = datumReader.read(record, decoder); |
| assertEquals("record1", record.toString()); |
| |
| record = datumReader.read(record, decoder); |
| assertEquals("record2", record.toString()); |
| |
| inputStream.close(); |
| } |
| } |