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   * 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
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  package org.apache.beam.sdk.extensions.avro.schemas.io;
  
  import static org.junit.Assert.assertEquals;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import org.apache.avro.generic.GenericRecord;
  import org.apache.avro.generic.GenericRecordBuilder;
  import org.apache.beam.sdk.extensions.avro.coders.AvroCoder;
  import org.apache.beam.sdk.extensions.avro.schemas.io.payloads.AvroPayloadSerializerProvider;
  import org.apache.beam.sdk.extensions.avro.schemas.utils.AvroUtils;
  import org.apache.beam.sdk.schemas.Schema;
  import org.apache.beam.sdk.values.Row;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableMap;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  @RunWith(JUnit4.class)
  public class AvroPayloadSerializerProviderTest {
    private static final Schema SCHEMA =
        Schema.builder().addInt64Field("abc").addStringField("xyz").build();
    private static final org.apache.avro.Schema AVRO_SCHEMA = AvroUtils.toAvroSchema(SCHEMA);
    private static final AvroCoder<GenericRecord> AVRO_CODER = AvroCoder.of(AVRO_SCHEMA);
    private static final Row DESERIALIZED =
        Row.withSchema(SCHEMA).withFieldValue("abc", 3L).withFieldValue("xyz", "qqq").build();
    private static final GenericRecord SERIALIZED =
        new GenericRecordBuilder(AVRO_SCHEMA).set("abc", 3L).set("xyz", "qqq").build();
  
    private final AvroPayloadSerializerProvider provider = new AvroPayloadSerializerProvider();
  
    @Test
    public void serialize() throws Exception {
      byte[] bytes = provider.getSerializer(SCHEMA, ImmutableMap.of()).serialize(DESERIALIZED);
      GenericRecord record = AVRO_CODER.decode(new ByteArrayInputStream(bytes));
      assertEquals(3L, record.get("abc"));
      assertEquals("qqq", record.get("xyz").toString());
    }
  
    @Test
    public void deserialize() throws Exception {
      ByteArrayOutputStream os = new ByteArrayOutputStream();
      AVRO_CODER.encode(SERIALIZED, os);
      Row row = provider.getSerializer(SCHEMA, ImmutableMap.of()).deserialize(os.toByteArray());
      assertEquals(DESERIALIZED, row);
    }
  }
  