voonhous commented on code in PR #19403:
URL: https://github.com/apache/hudi/pull/19403#discussion_r3689102751
##########
hudi-spark-datasource/hudi-spark4-common/src/test/java/org/apache/hudi/variant/TestSpark4VariantShreddingProvider.java:
##########
@@ -22,61 +22,148 @@
import org.apache.hudi.common.schema.HoodieSchema;
import org.apache.hudi.common.schema.HoodieSchemaField;
import org.apache.hudi.common.schema.HoodieSchemaType;
+import org.apache.hudi.exception.HoodieException;
+import org.apache.avro.Conversions;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
import org.apache.avro.generic.GenericRecord;
import org.apache.spark.types.variant.Variant;
import org.apache.spark.types.variant.VariantBuilder;
import org.junit.jupiter.api.Test;
+import java.math.BigDecimal;
import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
import java.time.ZoneOffset;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.Map;
+import java.util.UUID;
+import static
org.apache.hudi.common.schema.HoodieSchema.Variant.VARIANT_METADATA_FIELD;
+import static
org.apache.hudi.common.schema.HoodieSchema.Variant.VARIANT_TYPED_VALUE_FIELD;
+import static
org.apache.hudi.common.schema.HoodieSchema.Variant.VARIANT_VALUE_FIELD;
import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
/**
- * Round-trip coverage for {@link Spark4VariantShreddingProvider}: shred an
unshredded variant, then
- * reconstruct it, and assert it round-trips. This exercises {@code
rebuildVariantRecord} and the
- * {@code AvroVariantRow}/{@code AvroObjectRow}/{@code AvroArrayRow} accessors
across scalar, object,
- * and array shapes - the AVRO read-path reconstruction (#18931) that the
Spark MOR SQL test cannot
- * reach (Spark compaction reads base files via the InternalRow reader, not
HoodieAvroParquetReader).
+ * Round-trip and behavior-pinning coverage for {@link
Spark4VariantShreddingProvider}: shred an
+ * unshredded variant, then reconstruct it, asserting both the intermediate
shredded schema/values and
+ * the reconstructed variant. This exercises {@code shredVariantRecord},
{@code rebuildVariantRecord},
+ * {@code avroTypeToScalarType}, {@code convertScalarToAvro}, and the
+ * {@code AvroVariantRow}/{@code AvroObjectRow}/{@code AvroArrayRow} accessors
across every scalar leaf
+ * type, object/array shapes, partial (residual) shredding, and the null/error
guards - the AVRO
+ * read-path reconstruction that the Spark MOR SQL test cannot reach (Spark
compaction reads base
+ * files via the InternalRow reader, not HoodieAvroParquetReader).
*/
class TestSpark4VariantShreddingProvider {
private final Spark4VariantShreddingProvider provider = new
Spark4VariantShreddingProvider();
private final Schema unshreddedSchema =
HoodieSchema.createVariant().getAvroSchema();
- /** Parse json to a variant, shred it to {@code shredded}, rebuild it,
assert the json round-trips. */
- private void assertRoundTrips(String json, HoodieSchema.Variant shredded)
throws Exception {
- Variant variant = VariantBuilder.parseJson(json, false);
- GenericRecord unshreddedRecord = new GenericData.Record(unshreddedSchema);
- unshreddedRecord.put(HoodieSchema.Variant.VARIANT_METADATA_FIELD,
ByteBuffer.wrap(variant.getMetadata()));
- unshreddedRecord.put(HoodieSchema.Variant.VARIANT_VALUE_FIELD,
ByteBuffer.wrap(variant.getValue()));
+ /** Wrap a fully built {@link Variant} into the unshredded {metadata, value}
Avro record. */
+ private GenericRecord unshredded(Variant variant) {
+ GenericRecord record = new GenericData.Record(unshreddedSchema);
+ record.put(VARIANT_METADATA_FIELD, ByteBuffer.wrap(variant.getMetadata()));
+ record.put(VARIANT_VALUE_FIELD, ByteBuffer.wrap(variant.getValue()));
+ return record;
+ }
+
+ private GenericRecord shred(Variant variant, HoodieSchema.Variant shredded) {
+ return provider.shredVariantRecord(unshredded(variant),
shredded.getAvroSchema(), shredded);
+ }
- Schema shreddedSchema = shredded.getAvroSchema();
- GenericRecord shreddedRecord =
provider.shredVariantRecord(unshreddedRecord, shreddedSchema, shredded);
- GenericRecord rebuilt = provider.rebuildVariantRecord(shreddedRecord,
shreddedSchema, unshreddedSchema);
+ private Variant rebuild(GenericRecord shreddedRecord, HoodieSchema.Variant
shredded) {
+ GenericRecord rebuilt =
+ provider.rebuildVariantRecord(shreddedRecord,
shredded.getAvroSchema(), unshreddedSchema);
+ return new Variant(toBytes(rebuilt.get(VARIANT_VALUE_FIELD)),
toBytes(rebuilt.get(VARIANT_METADATA_FIELD)));
+ }
- Variant rebuiltVariant = new Variant(
- toBytes(rebuilt.get(HoodieSchema.Variant.VARIANT_VALUE_FIELD)),
- toBytes(rebuilt.get(HoodieSchema.Variant.VARIANT_METADATA_FIELD)));
- assertEquals(variant.toJson(ZoneOffset.UTC),
rebuiltVariant.toJson(ZoneOffset.UTC),
- "variant did not round-trip through shred/rebuild for: " + json);
+ private void assertRoundTrips(Variant variant, HoodieSchema.Variant
shredded) {
+ Variant rebuilt = rebuild(shred(variant, shredded), shredded);
+ assertEquals(variant.toJson(ZoneOffset.UTC),
rebuilt.toJson(ZoneOffset.UTC),
+ "variant did not round-trip through shred/rebuild");
Review Comment:
Addressed: the `String` overload threads `" for: " + json` into the
round-trip failure message.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
