Merge pull request #8552 from wugangca/BAEL-3657

BAEL-3657 Merge Cells in Excel using Apache POI
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Eric Martin 2020-01-27 21:33:30 -06:00 committed by GitHub
commit b6ac94bf51
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package com.baeldung.poi.excel;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Before;
import org.junit.Test;
public class ExcelCellMergerUnitTest {
private static final String FILE_NAME = "ExcelCellFormatterTest.xlsx";
private String fileLocation;
@Before
public void setup() throws IOException, URISyntaxException {
fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME).toURI()).toString();
}
@Test
public void givenCellIndex_whenAddMergeRegion_thenMergeRegionCreated() throws IOException {
Workbook workbook = new XSSFWorkbook(fileLocation);
Sheet sheet = workbook.getSheetAt(0);
assertEquals(0, sheet.getNumMergedRegions());
int firstRow = 0;
int lastRow = 0;
int firstCol = 0;
int lastCol = 2;
sheet.addMergedRegion(new CellRangeAddress(firstRow, lastRow, firstCol, lastCol));
assertEquals(1, sheet.getNumMergedRegions());
workbook.close();
}
@Test
public void givenCellRefString_whenAddMergeRegion_thenMergeRegionCreated() throws IOException {
Workbook workbook = new XSSFWorkbook(fileLocation);
Sheet sheet = workbook.getSheetAt(0);
assertEquals(0, sheet.getNumMergedRegions());
sheet.addMergedRegion(CellRangeAddress.valueOf("A1:C1"));
assertEquals(1, sheet.getNumMergedRegions());
workbook.close();
}
}