zhenyue-xu commented on code in PR #9668: URL: https://github.com/apache/seatunnel/pull/9668#discussion_r2260629343
########## seatunnel-connectors-v2/connector-file/connector-file-base/src/test/java/org/apache/seatunnel/connectors/seatunnel/file/writer/ExcelGeneratorTest.java: ########## @@ -0,0 +1,181 @@ +/* + * 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.file.writer; + +import org.apache.seatunnel.api.table.type.BasicType; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.common.utils.DateTimeUtils; +import org.apache.seatunnel.common.utils.DateUtils; +import org.apache.seatunnel.common.utils.TimeUtils; +import org.apache.seatunnel.connectors.seatunnel.file.sink.config.FileSinkConfig; +import org.apache.seatunnel.connectors.seatunnel.file.sink.util.ExcelGenerator; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import com.alibaba.excel.EasyExcel; +import com.alibaba.excel.context.AnalysisContext; +import com.alibaba.excel.event.AnalysisEventListener; +import lombok.extern.slf4j.Slf4j; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicInteger; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +@Slf4j +public class ExcelGeneratorTest { + + private FileSinkConfig fileSinkConfig; + private SeaTunnelRowType rowType; + private List<Integer> sinkColumnsIndexInRow; + + @BeforeEach + public void setUp() { + fileSinkConfig = mock(FileSinkConfig.class); + when(fileSinkConfig.getMaxRowsInMemory()).thenReturn(100); + when(fileSinkConfig.getSheetName()).thenReturn("TestSheet"); + when(fileSinkConfig.getDateFormat()).thenReturn(DateUtils.Formatter.YYYY_MM_DD); + when(fileSinkConfig.getDatetimeFormat()) + .thenReturn(DateTimeUtils.Formatter.YYYY_MM_DD_HH_MM_SS); + when(fileSinkConfig.getTimeFormat()).thenReturn(TimeUtils.Formatter.HH_MM_SS); + when(fileSinkConfig.getSheetMaxRows()).thenReturn(1048576); + rowType = + new SeaTunnelRowType( + new String[] {"id", "name", "age", "email"}, + new org.apache.seatunnel.api.table.type.SeaTunnelDataType[] { + BasicType.INT_TYPE, + BasicType.STRING_TYPE, + BasicType.INT_TYPE, + BasicType.STRING_TYPE + }); + + sinkColumnsIndexInRow = Arrays.asList(0, 1, 2, 3); + } + + @Test + public void testGenerateBasicExcelFile() throws IOException { + File outputDir = new File("target/test-output"); + if (!outputDir.exists()) { + outputDir.mkdirs(); + } + + File outputFile = new File(outputDir, "basic-test.xlsx"); + + ExcelGenerator excelGenerator = + new ExcelGenerator(sinkColumnsIndexInRow, rowType, fileSinkConfig); + + SeaTunnelRow[] testData = { + new SeaTunnelRow(new Object[] {1, "Alice", 25, "[email protected]"}), + new SeaTunnelRow(new Object[] {2, "Bob", 30, "[email protected]"}), + new SeaTunnelRow(new Object[] {3, "Charlie", 35, "[email protected]"}), + new SeaTunnelRow(new Object[] {4, "Diana", 28, "[email protected]"}), + new SeaTunnelRow(new Object[] {5, null, 22, null}) + }; + + for (SeaTunnelRow row : testData) { + excelGenerator.writeData(row); + } + + try (FileOutputStream fos = new FileOutputStream(outputFile)) { + excelGenerator.flushAndCloseExcel(fos); + } + + assertTrue("File should exist", outputFile.exists()); + assertTrue("File should not be empty", outputFile.length() > 0); + + validateGeneratedFile(outputFile, 5); + } + + @Test + public void testGenerateLargeDataFile() throws IOException { + File outputDir = new File("target/test-output"); + if (!outputDir.exists()) { + outputDir.mkdirs(); + } + + File outputFile = new File(outputDir, "large-test.xlsx"); + + ExcelGenerator excelGenerator = + new ExcelGenerator(sinkColumnsIndexInRow, rowType, fileSinkConfig); + + int totalRows = 1200000; + + for (int i = 1; i <= totalRows; i++) { + SeaTunnelRow row = + new SeaTunnelRow( + new Object[] { + i, "User" + i, 20 + (i % 50), "user" + i + "@example.com" + }); + excelGenerator.writeData(row); + } + + try (FileOutputStream fos = new FileOutputStream(outputFile)) { + excelGenerator.flushAndCloseExcel(fos); + } + + assertTrue("Large file should exist", outputFile.exists()); + validateGeneratedFile(outputFile, 1048575); Review Comment: > I think we should check sheet 2 too. yes，sheet2 test added -- This is an automated message from the Apache Git Service. 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