RussellSpitzer commented on code in PR #11948: URL: https://github.com/apache/iceberg/pull/11948#discussion_r1913489410
########## core/src/test/java/org/apache/iceberg/TestRowLineageMetadata.java: ########## @@ -0,0 +1,213 @@ +/* + * 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 limitations + * under the License. + */ +package org.apache.iceberg; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.junit.Assume.assumeTrue; +import static org.junit.jupiter.api.Assertions.assertThrows; + +import java.io.File; +import java.util.concurrent.atomic.AtomicInteger; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.types.Types; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.io.TempDir; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.FieldSource; + +public class TestRowLineageMetadata { + + private static final String TEST_LOCATION = "s3://bucket/test/location"; + + @TempDir + protected File tableDir = null; + + private static final Schema TEST_SCHEMA = + new Schema( + 7, + Types.NestedField.required(1, "x", Types.LongType.get()), + Types.NestedField.required(2, "y", Types.LongType.get(), "comment"), + Types.NestedField.required(3, "z", Types.LongType.get())); + + + private TableMetadata.Builder builderFor(int formatVersion) { + return TableMetadata.buildFromEmpty(formatVersion) + .enableRowLineage(); + } + + private TableMetadata baseMetadata(int formatVersion) { + return builderFor(formatVersion) + .addSchema(TEST_SCHEMA) + .setLocation(TEST_LOCATION) + .addPartitionSpec(PartitionSpec.unpartitioned()) + .addSortOrder(SortOrder.unsorted()) + .build(); + } + + @AfterEach + public void cleanup() { + TestTables.clearTables(); + } + + @ParameterizedTest + @FieldSource("org.apache.iceberg.TestHelpers#ALL_VERSIONS") + public void testRowLineageSupported(int formatVersion) { + if (formatVersion == TableMetadata.MIN_FORMAT_VERSION_ROW_LINEAGE) { + assertThat(builderFor(formatVersion)).isNotNull(); + } else { + IllegalArgumentException notSupported = + assertThrows( + IllegalArgumentException.class, + () -> TableMetadata.buildFromEmpty(formatVersion).enableRowLineage()); + assertThat(notSupported.getMessage()).contains("Cannot use row lineage"); + } + } + + @ParameterizedTest + @FieldSource("org.apache.iceberg.TestHelpers#ALL_VERSIONS") + public void testLastRowIdMustIncrease(int formatVersion) { + assumeTrue(formatVersion >= TableMetadata.MIN_FORMAT_VERSION_ROW_LINEAGE); + assertThat(builderFor(formatVersion).incrementLastRowId(5)).isNotNull(); + IllegalArgumentException noDecrease = + assertThrows( + IllegalArgumentException.class, () -> builderFor(formatVersion).incrementLastRowId(-5)); + assertThat(noDecrease.getMessage()).contains("Cannot decrease last-row-id"); + } + + @ParameterizedTest + @FieldSource("org.apache.iceberg.TestHelpers#ALL_VERSIONS") + public void testSnapshotAddition(int formatVersion) { + assumeTrue(formatVersion >= TableMetadata.MIN_FORMAT_VERSION_ROW_LINEAGE); + + Long newRows = 30L; + + TableMetadata base = baseMetadata(formatVersion); + + Snapshot addRows = + new BaseSnapshot( + 0, 1, null, 0, DataOperations.APPEND, null, 1, "foo", base.lastRowId(), newRows); + + TableMetadata firstAddition = TableMetadata.buildFrom(base).addSnapshot(addRows).build(); + + assertThat(firstAddition.lastRowId()).isEqualTo(newRows); + + Snapshot addMoreRows = + new BaseSnapshot( + 1, 2, 1L, 0, DataOperations.APPEND, null, 1, "foo", firstAddition.lastRowId(), newRows); + + TableMetadata secondAddition = + TableMetadata.buildFrom(firstAddition).addSnapshot(addMoreRows).build(); + + assertThat(secondAddition.lastRowId()).isEqualTo(newRows * 2); + } + + @ParameterizedTest + @FieldSource("org.apache.iceberg.TestHelpers#ALL_VERSIONS") + public void testInvalidSnapshotAddition(int formatVersion) { + assumeTrue(formatVersion >= TableMetadata.MIN_FORMAT_VERSION_ROW_LINEAGE); + + Long newRows = 30L; + + TableMetadata base = baseMetadata(formatVersion); + + Snapshot invalidLastRow = + new BaseSnapshot( + 0, 1, null, 0, DataOperations.APPEND, null, 1, "foo", base.lastRowId() - 3, newRows); + + ValidationException invalidLastRowId = + assertThrows( + ValidationException.class, + () -> TableMetadata.buildFrom(base).addSnapshot(invalidLastRow)); + assertThat(invalidLastRowId.getMessage()).contains("Cannot add a snapshot whose first-row-id"); + + Snapshot invalidNewRows = + new BaseSnapshot( + 0, 1, null, 0, DataOperations.APPEND, null, 1, "foo", base.lastRowId(), null); + + ValidationException nullNewRows = + assertThrows( + ValidationException.class, + () -> TableMetadata.buildFrom(base).addSnapshot(invalidNewRows)); + assertThat(nullNewRows.getMessage()) + .contains( + "Cannot add a snapshot with a null `addedRows` field when row lineage is enabled"); + } + + AtomicInteger fileNum = new AtomicInteger(0); Review Comment: It should probably just be private private -- This is an automated message from the Apache Git Service. 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