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[HUDI-4915][Followup] add UT for the improved avro's serialize/deserialize #6803

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[HUDI-4915][Followup] add UT for the improved avro's serialize/deserialize #6803

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20 changes: 15 additions & 5 deletions ...-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/avro/TestAvroSerDe.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -21,14 +21,14 @@ import org.apache.avro.generic.GenericData
import org.apache.hudi.SparkAdapterSupport
import org.apache.hudi.avro.model.{HoodieMetadataColumnStats, IntWrapper}
import org.apache.spark.sql.avro.SchemaConverters.SchemaType
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Assertions.{assertEquals, assertNotEquals}
import org.junit.jupiter.api.Test

class TestAvroSerDe extends SparkAdapterSupport {

@Test
def testAvroUnionSerDe(): Unit = {
val originalAvroRecord = {
val originalAvroRecord1 = {
val minValue = new GenericData.Record(IntWrapper.SCHEMA$)
minValue.put("value", 9)
val maxValue = new GenericData.Record(IntWrapper.SCHEMA$)
Expand All @@ -47,15 +47,25 @@ class TestAvroSerDe extends SparkAdapterSupport {
record
}

val originalAvroRecord2 = GenericData.get.deepCopy(originalAvroRecord1.getSchema, originalAvroRecord1)
originalAvroRecord2.put("totalUncompressedSize", 55L)
assertNotEquals(originalAvroRecord1, originalAvroRecord2)

val avroSchema = HoodieMetadataColumnStats.SCHEMA$
val SchemaType(catalystSchema, _) = SchemaConverters.toSqlType(avroSchema)

val deserializer = sparkAdapter.createAvroDeserializer(avroSchema, catalystSchema)
val serializer = sparkAdapter.createAvroSerializer(catalystSchema, avroSchema, nullable = false)

val row = deserializer.deserialize(originalAvroRecord).get
val deserializedAvroRecord = serializer.serialize(row)
val row1 = deserializer.deserialize(originalAvroRecord1).get
val row2 = deserializer.deserialize(originalAvroRecord2).get
assertNotEquals(row1, row2)

val deserializedAvroRecord1 = serializer.serialize(row1)
val deserializedAvroRecord2 = serializer.serialize(row2)

assertEquals(originalAvroRecord, deserializedAvroRecord)
assertNotEquals(originalAvroRecord1, deserializedAvroRecord2)
assertEquals(originalAvroRecord1, deserializedAvroRecord1)
assertEquals(originalAvroRecord2, deserializedAvroRecord2)
}
}