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/* ====================================================================
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.poi.hssf.model;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.usermodel.FormulaExtractor;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.formula.ptg.AttrPtg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.usermodel.CellType;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
/**
* Tests 'operand class' transformation performed by
* <tt>OperandClassTransformer</tt> by comparing its results with those
* directly produced by Excel (in a sample spreadsheet).
*/
public final class TestRVA {
private static final String NEW_LINE = System.getProperty("line.separator");
private static POIFSFileSystem poifs;
private static HSSFWorkbook workbook;
@AfterAll
public static void closeResource() throws Exception {
workbook.close();
poifs.close();
}
public static Stream<Arguments> data() throws Exception {
poifs = new POIFSFileSystem(HSSFTestDataSamples.getSampleFile("testRVA.xls"), true);
workbook = new HSSFWorkbook(poifs);
HSSFSheet sheet = workbook.getSheetAt(0);
List<Arguments> data = new ArrayList<>();
for (int rowIdx = 0; true; rowIdx++) {
HSSFRow row = sheet.getRow(rowIdx);
if (row == null) {
break;
}
HSSFCell cell = row.getCell(0);
if (cell == null || cell.getCellType() == CellType.BLANK) {
break;
}
String formula = cell.getCellFormula();
data.add(Arguments.of(cell,formula));
}
return data.stream();
}
@ParameterizedTest
@MethodSource("data")
void confirmCell(HSSFCell formulaCell, String formula) {
Ptg[] excelPtgs = FormulaExtractor.getPtgs(formulaCell);
Ptg[] poiPtgs = HSSFFormulaParser.parse(formula, workbook);
int nExcelTokens = excelPtgs.length;
int nPoiTokens = poiPtgs.length;
if (nExcelTokens != nPoiTokens) {
assertTrue(nExcelTokens == nPoiTokens + 1 && excelPtgs[0].getClass() == AttrPtg.class,
"Expected " + nExcelTokens + " tokens but got " + nPoiTokens);
// compensate for missing tAttrVolatile, which belongs in any formula
// involving OFFSET() et al. POI currently does not insert where required
Ptg[] temp = new Ptg[nExcelTokens];
temp[0] = excelPtgs[0];
System.arraycopy(poiPtgs, 0, temp, 1, nPoiTokens);
poiPtgs = temp;
}
boolean hasMismatch = false;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < nExcelTokens; i++) {
Ptg poiPtg = poiPtgs[i];
Ptg excelPtg = excelPtgs[i];
if (excelPtg.getClass() != poiPtg.getClass()) {
hasMismatch = true;
sb.append(" mismatch token type[").append(i).append("] ").append(getShortClassName(excelPtg)).append(" ").append(excelPtg.getRVAType()).append(" - ").append(getShortClassName(poiPtg)).append(" ").append(poiPtg.getRVAType());
sb.append(NEW_LINE);
continue;
}
if (poiPtg.isBaseToken()) {
continue;
}
sb.append(" token[").append(i).append("] ").append(excelPtg).append(" ").append(excelPtg.getRVAType());
if (excelPtg.getPtgClass() != poiPtg.getPtgClass()) {
hasMismatch = true;
sb.append(" - was ").append(poiPtg.getRVAType());
}
sb.append(NEW_LINE);
}
assertFalse(hasMismatch);
}
private String getShortClassName(Object o) {
String cn = o.getClass().getName();
int pos = cn.lastIndexOf('.');
return cn.substring(pos + 1);
}
}
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