poi/src/testcases/org/apache/poi/ss/usermodel/BaseTestBugzillaIssues.java

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

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import org.apache.poi.hssf.util.PaneInformation;
import org.apache.poi.ss.ITestDataProvider;
import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.util.CellRangeAddress;
import org.junit.Test;

/**
 * A base class for bugzilla issues that can be described in terms of common ss interfaces.
 *
 * @author Yegor Kozlov
 */
public abstract class BaseTestBugzillaIssues {

    private final ITestDataProvider _testDataProvider;

    protected BaseTestBugzillaIssues(ITestDataProvider testDataProvider) {
        _testDataProvider = testDataProvider;
    }

    /**
     * Test writing a hyperlink
     * Open resulting sheet in Excel and check that A1 contains a hyperlink
     *
     * Also tests bug 15353 (problems with hyperlinks to Google)
     */
    @Test
    public final void bug23094() {
        Workbook wb = _testDataProvider.createWorkbook();
        Sheet s = wb.createSheet();
        Row r = s.createRow(0);
        r.createCell(0).setCellFormula("HYPERLINK(\"http://jakarta.apache.org\",\"Jakarta\")");
        r.createCell(1).setCellFormula("HYPERLINK(\"http://google.com\",\"Google\")");

        wb = _testDataProvider.writeOutAndReadBack(wb);
        r = wb.getSheetAt(0).getRow(0);

        Cell cell_0 = r.getCell(0);
        assertEquals("HYPERLINK(\"http://jakarta.apache.org\",\"Jakarta\")", cell_0.getCellFormula());
        Cell cell_1 = r.getCell(1);
        assertEquals("HYPERLINK(\"http://google.com\",\"Google\")", cell_1.getCellFormula());
    }

    /**
     * test writing a file with large number of unique strings,
     * open resulting file in Excel to check results!
     * @param  num the number of strings to generate
     */
    public final void bug15375(int num) {
        Workbook wb = _testDataProvider.createWorkbook();
        Sheet sheet = wb.createSheet();
        CreationHelper factory = wb.getCreationHelper();

        String tmp1 = null;
        String tmp2 = null;
        String tmp3 = null;

        for (int i = 0; i < num; i++) {
            tmp1 = "Test1" + i;
            tmp2 = "Test2" + i;
            tmp3 = "Test3" + i;

            Row row = sheet.createRow(i);

            Cell cell = row.createCell(0);
            cell.setCellValue(factory.createRichTextString(tmp1));
            cell = row.createCell(1);
            cell.setCellValue(factory.createRichTextString(tmp2));
            cell = row.createCell(2);
            cell.setCellValue(factory.createRichTextString(tmp3));
        }
        wb = _testDataProvider.writeOutAndReadBack(wb);
        for (int i = 0; i < num; i++) {
            tmp1 = "Test1" + i;
            tmp2 = "Test2" + i;
            tmp3 = "Test3" + i;

            Row row = sheet.getRow(i);

            assertEquals(tmp1, row.getCell(0).getStringCellValue());
            assertEquals(tmp2, row.getCell(1).getStringCellValue());
            assertEquals(tmp3, row.getCell(2).getStringCellValue());
        }
    }

    /**
     * Merged regions were being removed from the parent in cloned sheets
     */
    @Test
    public final void bug22720() {
       Workbook workBook = _testDataProvider.createWorkbook();
       workBook.createSheet("TEST");
       Sheet template = workBook.getSheetAt(0);

       template.addMergedRegion(new CellRangeAddress(0, 1, 0, 2));
       template.addMergedRegion(new CellRangeAddress(1, 2, 0, 2));

       Sheet clone = workBook.cloneSheet(0);
       int originalMerged = template.getNumMergedRegions();
       assertEquals("2 merged regions", 2, originalMerged);

       //remove merged regions from clone
       for (int i=template.getNumMergedRegions()-1; i>=0; i--) {
           clone.removeMergedRegion(i);
       }

       assertEquals("Original Sheet's Merged Regions were removed", originalMerged, template.getNumMergedRegions());
       //check if template's merged regions are OK
       if (template.getNumMergedRegions()>0) {
            // fetch the first merged region...EXCEPTION OCCURS HERE
            template.getMergedRegion(0);
       }
       //make sure we dont exception

    }

    @Test
    public final void bug28031() {
        Workbook wb = _testDataProvider.createWorkbook();
        Sheet sheet = wb.createSheet();
        wb.setSheetName(0, "Sheet1");

        Row row = sheet.createRow(0);
        Cell cell = row.createCell(0);
        String formulaText =
            "IF(ROUND(A2*B2*C2,2)>ROUND(B2*D2,2),ROUND(A2*B2*C2,2),ROUND(B2*D2,2))";
        cell.setCellFormula(formulaText);

        assertEquals(formulaText, cell.getCellFormula());
        wb = _testDataProvider.writeOutAndReadBack(wb);
        cell = wb.getSheetAt(0).getRow(0).getCell(0);
        assertEquals("IF(ROUND(A2*B2*C2,2)>ROUND(B2*D2,2),ROUND(A2*B2*C2,2),ROUND(B2*D2,2))", cell.getCellFormula());
    }

    /**
     * Bug 21334: "File error: data may have been lost" with a file
     * that contains macros and this formula:
     * {=SUM(IF(FREQUENCY(IF(LEN(V4:V220)>0,MATCH(V4:V220,V4:V220,0),""),IF(LEN(V4:V220)>0,MATCH(V4:V220,V4:V220,0),""))>0,1))}
     */
    @Test
    public final void bug21334() {
        Workbook wb = _testDataProvider.createWorkbook();
        Sheet sh = wb.createSheet();
        Cell cell = sh.createRow(0).createCell(0);
        String formula = "SUM(IF(FREQUENCY(IF(LEN(V4:V220)>0,MATCH(V4:V220,V4:V220,0),\"\"),IF(LEN(V4:V220)>0,MATCH(V4:V220,V4:V220,0),\"\"))>0,1))";
        cell.setCellFormula(formula);

        Workbook wb_sv = _testDataProvider.writeOutAndReadBack(wb);
        Cell cell_sv = wb_sv.getSheetAt(0).getRow(0).getCell(0);
        assertEquals(formula, cell_sv.getCellFormula());
    }

    /** another test for the number of unique strings issue
     *test opening the resulting file in Excel*/
    @Test
    public final void bug22568() {
        int r=2000;int c=3;

        Workbook wb = _testDataProvider.createWorkbook();
        Sheet sheet = wb.createSheet("ExcelTest") ;

        int col_cnt=0, rw_cnt=0 ;

        col_cnt = c;
        rw_cnt = r;

        Row rw ;
        rw = sheet.createRow(0) ;
        //Header row
        for(int j=0; j<col_cnt; j++){
            Cell cell = rw.createCell(j) ;
            cell.setCellValue("Col " + (j+1));
        }

        for(int i=1; i<rw_cnt; i++){
            rw = sheet.createRow(i) ;
            for(int j=0; j<col_cnt; j++){
                Cell cell = rw.createCell(j) ;
                cell.setCellValue("Row:" + (i+1) + ",Column:" + (j+1));
            }
        }

        sheet.setDefaultColumnWidth(18) ;

        wb = _testDataProvider.writeOutAndReadBack(wb);
        sheet = wb.getSheetAt(0);
        rw = sheet.getRow(0);
        //Header row
        for(int j=0; j<col_cnt; j++){
            Cell cell = rw.getCell(j) ;
            assertEquals("Col " + (j+1), cell.getStringCellValue());
        }
        for(int i=1; i<rw_cnt; i++){
            rw = sheet.getRow(i) ;
            for(int j=0; j<col_cnt; j++){
                Cell cell = rw.getCell(j) ;
                assertEquals("Row:" + (i+1) + ",Column:" + (j+1), cell.getStringCellValue());
            }
        }
    }

    /**
     * Bug 42448: Can't parse SUMPRODUCT(A!C7:A!C67, B8:B68) / B69
     */
    @Test
    public final void bug42448(){
        Workbook wb = _testDataProvider.createWorkbook();
        Cell cell = wb.createSheet().createRow(0).createCell(0);
        cell.setCellFormula("SUMPRODUCT(A!C7:A!C67, B8:B68) / B69");
        assertTrue("no errors parsing formula", true);
    }

    @Test
    public final void bug18800() {
       Workbook book = _testDataProvider.createWorkbook();
       book.createSheet("TEST");
       Sheet sheet = book.cloneSheet(0);
       book.setSheetName(1,"CLONE");
       sheet.createRow(0).createCell(0).setCellValue("Test");

       book = _testDataProvider.writeOutAndReadBack(book);
       sheet = book.getSheet("CLONE");
       Row row = sheet.getRow(0);
       Cell cell = row.getCell(0);
       assertEquals("Test", cell.getRichStringCellValue().getString());
   }

    private static void addNewSheetWithCellsA1toD4(Workbook book, int sheet) {

        Sheet sht = book .createSheet("s" + sheet);
        for (int r=0; r < 4; r++) {

            Row   row = sht.createRow (r);
            for (int c=0; c < 4; c++) {

                Cell cel = row.createCell(c);
                cel.setCellValue(sheet*100 + r*10 + c);
            }
        }
    }

    @Test
    public final void bug43093() {
        Workbook xlw = _testDataProvider.createWorkbook();

        addNewSheetWithCellsA1toD4(xlw, 1);
        addNewSheetWithCellsA1toD4(xlw, 2);
        addNewSheetWithCellsA1toD4(xlw, 3);
        addNewSheetWithCellsA1toD4(xlw, 4);

        Sheet s2   = xlw.getSheet("s2");
        Row   s2r3 = s2.getRow(3);
        Cell  s2E4 = s2r3.createCell(4);
        s2E4.setCellFormula("SUM(s3!B2:C3)");

        FormulaEvaluator eva = xlw.getCreationHelper().createFormulaEvaluator();
        double d = eva.evaluate(s2E4).getNumberValue();

        assertEquals(d, (311+312+321+322), 0.0000001);
    }

    @Test
    public final void bug46729_testMaxFunctionArguments(){
        String[] func = {"COUNT", "AVERAGE", "MAX", "MIN", "OR", "SUBTOTAL", "SKEW"};

        SpreadsheetVersion ssVersion = _testDataProvider.getSpreadsheetVersion();
        Workbook wb = _testDataProvider.createWorkbook();
        Cell cell = wb.createSheet().createRow(0).createCell(0);

        String fmla;
        for (String name : func) {

            fmla = createFunction(name, 5);
            cell.setCellFormula(fmla);

            fmla = createFunction(name, ssVersion.getMaxFunctionArgs());
            cell.setCellFormula(fmla);

            try {
                fmla = createFunction(name, ssVersion.getMaxFunctionArgs() + 1);
                cell.setCellFormula(fmla);
                fail("Expected FormulaParseException");
            } catch (RuntimeException e){
                 assertTrue(e.getMessage().startsWith("Too many arguments to function '"+name+"'"));
            }
        }
    }

    private static String createFunction(String name, int maxArgs){
        StringBuffer fmla = new StringBuffer();
        fmla.append(name);
        fmla.append("(");
        for(int i=0; i < maxArgs; i++){
            if(i > 0) fmla.append(',');
            fmla.append("A1");
        }
        fmla.append(")");
        return fmla.toString();
    }

    @Test
    public final void bug506819_testAutoSize() {
        Workbook wb = _testDataProvider.createWorkbook();
        Sheet sheet = wb.createSheet("Sheet1");
        Row row = sheet.createRow(0);
        Cell cell0 = row.createCell(0);

        String longValue = "www.hostname.com, www.hostname.com, " +
                "www.hostname.com, www.hostname.com, www.hostname.com, " +
                "www.hostname.com, www.hostname.com, www.hostname.com, " +
                "www.hostname.com, www.hostname.com, www.hostname.com, " +
                "www.hostname.com, www.hostname.com, www.hostname.com, " +
                "www.hostname.com, www.hostname.com, www.hostname.com, www.hostname.com";

        cell0.setCellValue(longValue);

        sheet.autoSizeColumn(0);
        assertEquals(255*256, sheet.getColumnWidth(0)); // maximum column width is 255 characters
        sheet.setColumnWidth(0, sheet.getColumnWidth(0)); // Bug 506819 reports exception at this point
    }

    /**
     * CreateFreezePane column/row order check
     */
    @Test
    public void bug49381() throws Exception {
       Workbook wb = _testDataProvider.createWorkbook();
       int colSplit = 1;
       int rowSplit = 2;
       int leftmostColumn = 3;
       int topRow = 4;

        Sheet s = wb.createSheet();

        // Populate
        for(int rn=0; rn<= topRow; rn++) {
           Row r = s.createRow(rn);
           for(int cn=0; cn<leftmostColumn; cn++) {
              Cell c = r.createCell(cn, Cell.CELL_TYPE_NUMERIC);
              c.setCellValue(100*rn + cn);
           }
        }

        // Create the Freeze Pane
        s.createFreezePane(colSplit, rowSplit, leftmostColumn, topRow);
        PaneInformation paneInfo = s.getPaneInformation();

        // Check it
        assertEquals(colSplit,       paneInfo.getVerticalSplitPosition());
        assertEquals(rowSplit,       paneInfo.getHorizontalSplitPosition());
        assertEquals(leftmostColumn, paneInfo.getVerticalSplitLeftColumn());
        assertEquals(topRow,         paneInfo.getHorizontalSplitTopRow());


        // Now a row only freezepane
        s.createFreezePane(0, 3);
        paneInfo = s.getPaneInformation();

        assertEquals(0,  paneInfo.getVerticalSplitPosition());
        assertEquals(3,  paneInfo.getHorizontalSplitPosition());
        assertEquals(0,  paneInfo.getVerticalSplitLeftColumn());
        assertEquals(3,  paneInfo.getHorizontalSplitTopRow());

        // Now a column only freezepane
        s.createFreezePane(4, 0);
        paneInfo = s.getPaneInformation();

        assertEquals(4,  paneInfo.getVerticalSplitPosition());
        assertEquals(0,  paneInfo.getHorizontalSplitPosition());
        assertEquals(4 , paneInfo.getVerticalSplitLeftColumn());
        assertEquals(0,  paneInfo.getHorizontalSplitTopRow());
    }

}