zhangshenghang commented on code in PR #10102: URL: https://github.com/apache/seatunnel/pull/10102#discussion_r2569131666
########## seatunnel-connectors-v2/connector-paimon/src/test/java/org/apache/seatunnel/connectors/seatunnel/paimon/source/PaimonParallelismInferenceTest.java: ########## @@ -0,0 +1,267 @@ +/* + * 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.seatunnel.connectors.seatunnel.paimon.source; + +import org.apache.seatunnel.api.configuration.ReadonlyConfig; +import org.apache.seatunnel.common.utils.ReflectionUtils; +import org.apache.seatunnel.connectors.seatunnel.paimon.catalog.PaimonCatalog; +import org.apache.seatunnel.connectors.seatunnel.paimon.config.PaimonBaseOptions; + +import org.apache.paimon.catalog.Catalog; +import org.apache.paimon.catalog.Identifier; +import org.apache.paimon.data.BinaryString; +import org.apache.paimon.data.GenericRow; +import org.apache.paimon.schema.Schema; +import org.apache.paimon.table.Table; +import org.apache.paimon.table.sink.BatchTableCommit; +import org.apache.paimon.table.sink.BatchTableWrite; +import org.apache.paimon.table.sink.BatchWriteBuilder; +import org.apache.paimon.table.sink.CommitMessage; +import org.apache.paimon.types.DataTypes; + +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; + +import java.io.File; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.UUID; + +public class PaimonParallelismInferenceTest { + + @TempDir private Path tempDir; + + private PaimonCatalog paimonCatalog; + private String warehouse; + private static final String CATALOG_NAME = "test_catalog"; + private static final String DATABASE = "test_db"; + + @BeforeEach + public void setUp() throws Exception { + warehouse = new File(tempDir.toFile(), UUID.randomUUID().toString()).toString(); + paimonCatalog = createPaimonCatalog(); + paimonCatalog.open(); + } + + @AfterEach + public void tearDown() throws Exception { + if (paimonCatalog != null) { + paimonCatalog.close(); + } + } + + @Test + public void testInferParallelismWithNonPartitionedTable() throws Exception { + String table = "non_partitioned_table"; + int bucketCount = 4; + createPaimonTable(table, bucketCount, null); + writeTestDataToBuckets(table, bucketCount, 100); + PaimonSource source = createPaimonSource(table); + int parallelism = source.inferParallelism(); + Assertions.assertEquals(1, parallelism); + } + + @Test + public void testInferParallelismWithPartitionedTable() throws Exception { + String table = "partitioned_table"; + int bucketCount = 2; + createPaimonTable(table, bucketCount, "dt"); + writeTestDataToPartition(table, bucketCount, "2024-01-01", 50); + writeTestDataToPartition(table, bucketCount, "2024-01-02", 50); + writeTestDataToPartition(table, bucketCount, "2024-01-03", 50); + + PaimonSource source = createPaimonSource(table); + int parallelism = source.inferParallelism(); + Assertions.assertEquals(3, parallelism); + } + + @Test + public void testInferParallelismWithEmptyTable() throws Exception { + String table = "empty_table"; + createPaimonTable(table, 4, "dt"); + PaimonSource source = createPaimonSource(table); + int parallelism = source.inferParallelism(); + Assertions.assertEquals(1, parallelism); + } + + @Test + public void testInferParallelismWithMultipleTables() throws Exception { + // Create first table with 2 partitions + String table1 = "multi_table_1"; + int bucketCount1 = 2; + createPaimonTable(table1, bucketCount1, "dt"); + writeTestDataToPartition(table1, bucketCount1, "2024-01-01", 50); + writeTestDataToPartition(table1, bucketCount1, "2024-01-02", 50); + + // Create second table with 3 partitions + String table2 = "multi_table_2"; + int bucketCount2 = 2; + createPaimonTable(table2, bucketCount2, "dt"); + writeTestDataToPartition(table2, bucketCount2, "2024-02-01", 50); + writeTestDataToPartition(table2, bucketCount2, "2024-02-02", 50); + writeTestDataToPartition(table2, bucketCount2, "2024-02-03", 50); + + // Create third table with 1 partition + String table3 = "multi_table_3"; + int bucketCount3 = 2; + createPaimonTable(table3, bucketCount3, "dt"); + writeTestDataToPartition(table3, bucketCount3, "2024-03-01", 50); + + PaimonSource source = createPaimonSourceWithMultipleTables(table1, table2, table3); + int parallelism = source.inferParallelism(); + + // Expected: 2 (table1) + 3 (table2) + 1 (table3) = 7 + Assertions.assertEquals(6, parallelism); Review Comment: Please be consistent -- This is an automated message from the Apache Git Service. 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