mirror of https://github.com/apache/poi.git
bug 58633 comment 5 and comment 6: add unit test coverage for CellUtil.java; throw exception of Cell does not belong to workbook for some methods
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1722618 13f79535-47bb-0310-9956-ffa450edef68
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Javen O'Neal
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775f66a8f0
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98627f20c2
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@ -167,7 +167,16 @@ public final class CellUtil {
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*@param font The Font that you want to set...
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*/
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public static void setFont(Cell cell, Workbook workbook, Font font) {
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setCellStyleProperty(cell, workbook, FONT, font.getIndex());
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// Check if font belongs to workbook
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final short fontIndex = font.getIndex();
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if (!workbook.getFontAt(fontIndex).equals(font)) {
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throw new IllegalArgumentException("Font does not belong to this workbook");
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}
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// Check if cell belongs to workbook
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// (checked in setCellStyleProperty)
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setCellStyleProperty(cell, workbook, FONT, fontIndex);
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}
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/**
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@ -247,7 +256,7 @@ public final class CellUtil {
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public static void setCellStyleProperty(Cell cell, Workbook workbook, String propertyName,
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Object propertyValue) {
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if (cell.getSheet().getWorkbook() != workbook) {
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throw new IllegalArgumentException("Cannot set cell style property. Cell does not belong to workbook");
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throw new IllegalArgumentException("Cannot set cell style property. Cell does not belong to workbook.");
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}
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Map<String, Object> values = Collections.singletonMap(propertyName, propertyValue);
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@ -18,13 +18,20 @@
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package org.apache.poi.ss.util;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertSame;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.Font;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.Workbook;
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@ -38,7 +45,7 @@ import org.junit.Test;
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*/
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public final class TestCellUtil {
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@Test
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public void testSetCellStyleProperty() throws Exception {
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public void setCellStyleProperty() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet s = wb.createSheet();
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Row r = s.createRow(0);
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@ -60,7 +67,7 @@ public final class TestCellUtil {
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}
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@Test
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public void testSetCellStyleProperties() throws Exception {
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public void setCellStyleProperties() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet s = wb.createSheet();
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Row r = s.createRow(0);
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@ -85,4 +92,177 @@ public final class TestCellUtil {
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wb.close();
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}
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@Test
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public void getRow() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet sh = wb.createSheet();
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Row row1 = sh.createRow(0);
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// Get row that already exists
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Row r1 = CellUtil.getRow(0, sh);
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assertNotNull(r1);
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assertSame("An existing row should not be recreated", row1, r1);
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// Get row that does not exist yet
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assertNotNull(CellUtil.getRow(1, sh));
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wb.close();
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}
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@Test
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public void getCell() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet sh = wb.createSheet();
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Row row = sh.createRow(0);
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Cell A1 = row.createCell(0);
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// Get cell that already exists
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Cell a1 = CellUtil.getCell(row, 0);
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assertNotNull(a1);
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assertSame("An existing cell should not be recreated", A1, a1);
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// Get cell that does not exist yet
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assertNotNull(CellUtil.getCell(row, 1));
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wb.close();
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}
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@Test
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public void createCell() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet sh = wb.createSheet();
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Row row = sh.createRow(0);
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CellStyle style = wb.createCellStyle();
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style.setWrapText(true);
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// calling createCell on a non-existing cell should create a cell and set the cell value and style.
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Cell F1 = CellUtil.createCell(row, 5, "Cell Value", style);
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assertSame(row.getCell(5), F1);
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assertEquals("Cell Value", F1.getStringCellValue());
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assertEquals(style, F1.getCellStyle());
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// should be assertSame, but a new HSSFCellStyle is returned for each getCellStyle() call.
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// HSSFCellStyle wraps an underlying style record, and the underlying
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// style record is the same between multiple getCellStyle() calls.
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// calling createCell on an existing cell should return the existing cell and modify the cell value and style.
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Cell f1 = CellUtil.createCell(row, 5, "Overwritten cell value", null);
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assertSame(row.getCell(5), f1);
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assertSame(F1, f1);
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assertEquals("Overwritten cell value", f1.getStringCellValue());
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assertEquals("Overwritten cell value", F1.getStringCellValue());
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assertEquals("cell style should be unchanged with createCell(..., null)", style, f1.getCellStyle());
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assertEquals("cell style should be unchanged with createCell(..., null)", style, F1.getCellStyle());
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// test createCell(row, column, value) (no CellStyle)
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f1 = CellUtil.createCell(row, 5, "Overwritten cell with default style");
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assertSame(F1, f1);
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wb.close();
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}
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@Test
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public void setAlignment() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet sh = wb.createSheet();
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Row row = sh.createRow(0);
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Cell A1 = row.createCell(0);
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Cell B1 = row.createCell(1);
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// Assumptions
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assertEquals(A1.getCellStyle(), B1.getCellStyle());
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// should be assertSame, but a new HSSFCellStyle is returned for each getCellStyle() call.
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// HSSFCellStyle wraps an underlying style record, and the underlying
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// style record is the same between multiple getCellStyle() calls.
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assertEquals(CellStyle.ALIGN_GENERAL, A1.getCellStyle().getAlignment());
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assertEquals(CellStyle.ALIGN_GENERAL, B1.getCellStyle().getAlignment());
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// get/set alignment modifies the cell's style
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CellUtil.setAlignment(A1, wb, CellStyle.ALIGN_RIGHT);
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assertEquals(CellStyle.ALIGN_RIGHT, A1.getCellStyle().getAlignment());
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// get/set alignment doesn't affect the style of cells with
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// the same style prior to modifying the style
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assertNotEquals(A1.getCellStyle(), B1.getCellStyle());
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assertEquals(CellStyle.ALIGN_GENERAL, B1.getCellStyle().getAlignment());
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wb.close();
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}
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@Test
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public void setFont() throws IOException {
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Workbook wb = new HSSFWorkbook();
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Sheet sh = wb.createSheet();
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Row row = sh.createRow(0);
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Cell A1 = row.createCell(0);
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Cell B1 = row.createCell(1);
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final short defaultFontIndex = 0;
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Font font = wb.createFont();
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font.setItalic(true);
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final short customFontIndex = font.getIndex();
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// Assumptions
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assertNotEquals(defaultFontIndex, customFontIndex);
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assertEquals(A1.getCellStyle(), B1.getCellStyle());
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// should be assertSame, but a new HSSFCellStyle is returned for each getCellStyle() call.
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// HSSFCellStyle wraps an underlying style record, and the underlying
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// style record is the same between multiple getCellStyle() calls.
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assertEquals(defaultFontIndex, A1.getCellStyle().getFontIndex());
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assertEquals(defaultFontIndex, B1.getCellStyle().getFontIndex());
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// get/set alignment modifies the cell's style
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CellUtil.setFont(A1, wb, font);
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assertEquals(customFontIndex, A1.getCellStyle().getFontIndex());
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// get/set alignment doesn't affect the style of cells with
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// the same style prior to modifying the style
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assertNotEquals(A1.getCellStyle(), B1.getCellStyle());
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assertEquals(defaultFontIndex, B1.getCellStyle().getFontIndex());
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wb.close();
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}
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@Test
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public void setFontFromDifferentWorkbook() throws IOException {
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Workbook wb1 = new HSSFWorkbook();
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Workbook wb2 = new HSSFWorkbook();
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Font font1 = wb1.createFont();
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Font font2 = wb2.createFont();
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// do something to make font1 and font2 different
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// so they are not same or equal.
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font1.setItalic(true);
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Cell A1 = wb1.createSheet().createRow(0).createCell(0);
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// okay
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CellUtil.setFont(A1, wb1, font1);
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// font belongs to different workbook
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try {
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CellUtil.setFont(A1, wb1, font2);
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fail("setFont not allowed if font belongs to a different workbook");
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} catch (final IllegalArgumentException e) {
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if (e.getMessage().startsWith("Font does not belong to this workbook")) {
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// expected
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}
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else {
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throw e;
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}
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}
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// cell belongs to different workbook
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try {
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CellUtil.setFont(A1, wb2, font2);
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fail("setFont not allowed if cell belongs to a different workbook");
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} catch (final IllegalArgumentException e) {
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if (e.getMessage().startsWith("Cannot set cell style property. Cell does not belong to workbook.")) {
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// expected
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}
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else {
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throw e;
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}
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}
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}
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}
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