rdblue commented on code in PR #16936:
URL: https://github.com/apache/iceberg/pull/16936#discussion_r4200377664
##########
core/src/test/java/org/apache/iceberg/TestTrackedFileAdapters.java:
##########
@@ -671,6 +729,399 @@ void unknownSpecIdThrows() {
.hasMessageContaining("Cannot find partition spec for spec ID");
}
+ @Test
+ void dataTrackedFileAdapterHasNoTracking() {
+ TrackedFile result =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(DATA_FILE);
+
+ assertThat(result.tracking()).isNull();
+ assertWrappedDataFileMatchesFileFields(result, DATA_FILE);
+ assertThatThrownBy(result::formatVersion)
+ .isInstanceOf(IllegalStateException.class)
+ .hasMessage("Format version is assigned at write time");
+ }
+
+ @Test
+ void dataTrackedFileAdapterFromAddedManifestEntry() {
+ TrackedFile result =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(addedEntry(DATA_FILE));
+
+ assertThat(result.tracking().status()).isEqualTo(EntryStatus.ADDED);
+ assertThat(result.tracking().snapshotId()).isEqualTo(SNAPSHOT_ID);
+ assertThat(result.tracking().dataSequenceNumber()).isNull();
+ assertThat(result.tracking().fileSequenceNumber()).isNull();
+ assertThat(result.tracking().firstRowId()).isNull();
+ assertManifestPosition(result.tracking(), DATA_FILE);
+ assertWrappedDataFileMatchesFileFields(result, DATA_FILE);
+ }
+
+ @Test
+ void dataTrackedFileAdapterFromAddedManifestEntryWithNullSnapshotId() {
+ TrackedFile result =
+
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(newEntry().wrapAppend(null,
DATA_FILE));
+
+ assertThat(result.tracking().status()).isEqualTo(EntryStatus.ADDED);
+ assertThat(result.tracking().snapshotId()).isNull();
+ assertManifestPosition(result.tracking(), DATA_FILE);
+ assertWrappedDataFileMatchesFileFields(result, DATA_FILE);
+ }
+
+ @Test
+ void dataTrackedFileAdapterFromExistingManifestEntry() {
+ TrackedFile result =
+
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(existingEntry(DATA_FILE));
+
+ assertThat(result.tracking().status()).isEqualTo(EntryStatus.EXISTING);
+ assertThat(result.tracking().snapshotId()).isEqualTo(SNAPSHOT_ID);
+
assertThat(result.tracking().dataSequenceNumber()).isEqualTo(DATA_SEQUENCE_NUMBER);
+
assertThat(result.tracking().fileSequenceNumber()).isEqualTo(FILE_SEQUENCE_NUMBER);
+ assertManifestPosition(result.tracking(), DATA_FILE);
+ assertWrappedDataFileMatchesFileFields(result, DATA_FILE);
+ }
+
+ @Test
+ void dataTrackedFileAdapterFromDeletedManifestEntry() {
+ TrackedFile result =
+
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(deletedEntry(DATA_FILE));
+
+ assertThat(result.tracking().status()).isEqualTo(EntryStatus.DELETED);
+ assertThat(result.tracking().snapshotId()).isEqualTo(SNAPSHOT_ID);
+
assertThat(result.tracking().dataSequenceNumber()).isEqualTo(DATA_SEQUENCE_NUMBER);
+
assertThat(result.tracking().fileSequenceNumber()).isEqualTo(FILE_SEQUENCE_NUMBER);
+ assertManifestPosition(result.tracking(), DATA_FILE);
+ }
+
+ @Test
+ void dataTrackedFileAdapterReuse() {
+ TrackedFileAdapters.DataTrackedFile adapter =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA);
+
+ adapter.wrap(DATA_FILE);
+ assertThat(adapter.location()).isEqualTo(DATA_FILE_LOCATION);
+ assertThat(adapter.recordCount()).isEqualTo(100L);
+ assertThat(adapter.tracking()).isNull();
+
+ DataFile file2 =
+ new GenericDataFile(
+ UNPARTITIONED_SPEC.specId(),
+ "s3://bucket/data/file2.parquet",
+ FileFormat.PARQUET,
+ PartitionData.EMPTY,
+ 2048L,
+ new Metrics(200L, null, null, null, null),
+ null,
+ ImmutableList.of(0L),
+ null,
+ null);
+ assignManifestPosition(file2, "s3://bucket/table/manifest-2.parquet", 8L);
+ adapter.wrap(existingEntry(file2));
+ assertThat(adapter.location()).isEqualTo("s3://bucket/data/file2.parquet");
+ assertThat(adapter.recordCount()).isEqualTo(200L);
+ assertThat(adapter.tracking().status()).isEqualTo(EntryStatus.EXISTING);
+ assertManifestPosition(adapter.tracking(), file2);
+ assertThat(adapter.fileSizeInBytes()).isEqualTo(2048L);
+ assertThat(adapter.location()).isNotEqualTo(DATA_FILE.location());
+ }
+
+ @Test
+ void dataTrackedFileAdapterRejectsNullFile() {
+ TrackedFileAdapters.DataTrackedFile adapter =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA);
+ assertThatThrownBy(() -> adapter.wrap((DataFile) null))
+ .isInstanceOf(IllegalArgumentException.class)
+ .hasMessageContaining("Invalid file: null");
+ }
+
+ @Test
+ void dataTrackedFileAdapterContentStats() {
+ TrackedFile result =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(DATA_FILE_WITH_METRICS);
+
+ ContentStats stats = result.contentStats();
+ assertThat(stats).isNotNull();
+
assertThat(stats.fieldStats()).extracting(FieldStats::fieldId).containsExactlyInAnyOrder(1,
2);
+
+ FieldStats<?> idStats = stats.statsFor(1);
+ assertThat(idStats.valueCount()).isEqualTo(100L);
+ assertThat(idStats.lowerBound()).isEqualTo(1);
+ assertThat(idStats.upperBound()).isEqualTo(1000);
+ }
+
+ @Test
+ void dataTrackedFileAdapterWithoutMetricsHasNoContentStats() {
+ TrackedFile result =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(DATA_FILE);
+
+ assertThat(result.contentStats()).isNull();
+ }
+
+ @Test
+ void dataTrackedFileAdapterKeepsPartitionTuple() {
+ DataFile partitioned =
+ new GenericDataFile(
+ PARTITIONED_SPEC.specId(),
+ DATA_FILE_LOCATION,
+ FileFormat.PARQUET,
+ PARTITION,
+ 1024L,
+ new Metrics(100L, null, null, null, null),
+ null,
+ ImmutableList.of(0L),
+ null,
+ null);
+ TrackedFile result =
TrackedFileAdapters.forDataFile(TABLE_SCHEMA).wrap(partitioned);
+
+ assertThat(result.partition().get(0, String.class)).isEqualTo("books");
+ assertThat(
+ TrackedFileAdapters.asDataFile(result, specsById(PARTITIONED_SPEC))
+ .partition()
+ .get(0, String.class))
+ .isEqualTo("books");
Review Comment:
What is this assertion doing?
I would expect this to use a struct comparator to verify that `PARTITION`
matches `result.partition()`.
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