/*
 * 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
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package org.apache.hudi.avro;

import org.apache.hudi.avro.model.HoodieMetadataRecord;
import org.apache.hudi.common.schema.HoodieSchema;
import org.apache.hudi.common.table.read.BufferedRecord;
import org.apache.hudi.common.testutils.SchemaTestUtil;
import org.apache.hudi.common.util.SizeEstimator;

import org.apache.avro.generic.GenericData;
import org.apache.avro.generic.GenericRecord;
import org.apache.avro.generic.IndexedRecord;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import java.io.IOException;
import java.util.HashMap;

public class TestAvroRecordSizeEstimator {
  @Test
  void testEstimatingRecord() throws IOException {
    HoodieSchema schema = SchemaTestUtil.getSimpleSchema();
    // testing Avro builtin IndexedRecord
    GenericRecord record = new GenericData.Record(schema.toAvroSchema());
    record.put("name", "lily");
    record.put("favorite_number", 100);
    record.put("favorite_color", "red");
    SizeEstimator<BufferedRecord<IndexedRecord>> estimator = new AvroRecordSizeEstimator(schema.toAvroSchema());
    BufferedRecord<IndexedRecord> bufferedRecord = new BufferedRecord<>("id", 100, record, 1, null);
    long size = estimator.sizeEstimate(bufferedRecord);
    // size can be various for different OS / JVM version
    Assertions.assertTrue(size < 400 && size > 0);

    // testing generated IndexedRecord
    HoodieMetadataRecord metadataRecord = new HoodieMetadataRecord("__all_partitions__", 1, new HashMap<>(), null, null, null, null);
    bufferedRecord = new BufferedRecord<>("__all_partitions__", 0, metadataRecord, 1, null);
    size = estimator.sizeEstimate(bufferedRecord);
    // size can be various for different OS / JVM version
    Assertions.assertTrue(size < 400 && size > 0);
  }
}
