TestXSSFEvaluationSheet.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.xssf.usermodel;

import java.io.IOException;
import java.util.AbstractMap;
import java.util.Map;

import org.apache.poi.ss.formula.EvaluationSheet;
import org.apache.poi.ss.usermodel.BaseTestXEvaluationSheet;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Sheet;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

class TestXSSFEvaluationSheet extends BaseTestXEvaluationSheet {

    @Test
    void testSheetEval() throws Exception {
        XSSFWorkbook wb = new XSSFWorkbook();
        XSSFSheet sheet = wb.createSheet("test");
        XSSFRow row = sheet.createRow(0);
        row.createCell(0);
        XSSFEvaluationSheet evalsheet = new XSSFEvaluationSheet(sheet);

        assertNotNull(evalsheet.getCell(0, 0), "Cell 0,0 is found");
        assertNull(evalsheet.getCell(0, 1), "Cell 0,1 is not found");
        assertNull(evalsheet.getCell(1, 0), "Cell 1,0 is not found");

        // now add Cell 0,1
        row.createCell(1);

        assertNotNull(evalsheet.getCell(0, 0), "Cell 0,0 is found");
        assertNotNull(evalsheet.getCell(0, 1), "Cell 0,1 is now also found");
        assertNull(evalsheet.getCell(1, 0), "Cell 1,0 is not found");

        // after clearing all values it also works
        row.createCell(2);
        evalsheet.clearAllCachedResultValues();

        assertNotNull(evalsheet.getCell(0, 0), "Cell 0,0 is found");
        assertNotNull(evalsheet.getCell(0, 2), "Cell 0,2 is now also found");
        assertNull(evalsheet.getCell(1, 0), "Cell 1,0 is not found");

        // other things
        assertEquals(sheet, evalsheet.getXSSFSheet());
    }

    @Test
    void testBug65675() throws IOException  {
        try (XSSFWorkbook workbook = new XSSFWorkbook()) {
            XSSFFormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
            evaluator.setIgnoreMissingWorkbooks(true);

            XSSFSheet sheet = workbook.createSheet("sheet");
            XSSFRow row = sheet.createRow(0);
            XSSFCell cell = row.createCell(0, CellType.FORMULA);

            try {
                cell.setCellFormula("[some-workbook-that-does-not-yet-exist.xlsx]main!B:D");
                //it might be better if this succeeded but just adding this regression test for now
                fail("expected exception");
            } catch (RuntimeException re) {
                assertEquals("Book not linked for filename some-workbook-that-does-not-yet-exist.xlsx", re.getMessage());
            }
        }
    }

    @Override
    protected Map.Entry<Sheet, EvaluationSheet> getInstance() {
        XSSFSheet sheet = new XSSFWorkbook().createSheet();
        return new AbstractMap.SimpleEntry<>(sheet, new XSSFEvaluationSheet(sheet));
    }
}