| /* ==================================================================== |
| 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.ss.formula.atp; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.util.Calendar; |
| import java.util.Iterator; |
| |
| import org.apache.poi.hssf.HSSFTestDataSamples; |
| import org.apache.poi.hssf.usermodel.HSSFCell; |
| import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator; |
| 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.ss.formula.eval.EvaluationException; |
| import org.apache.poi.ss.usermodel.CellType; |
| import org.apache.poi.ss.usermodel.DateUtil; |
| import org.apache.poi.ss.usermodel.Row; |
| import org.apache.poi.util.LocaleUtil; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests YearFracCalculator using test-cases listed in a sample spreadsheet |
| */ |
| final class TestYearFracCalculatorFromSpreadsheet { |
| |
| private static final class SS { |
| |
| public static final int BASIS_COLUMN = 1; // "B" |
| public static final int START_YEAR_COLUMN = 2; // "C" |
| public static final int END_YEAR_COLUMN = 5; // "F" |
| public static final int YEARFRAC_FORMULA_COLUMN = 11; // "L" |
| public static final int EXPECTED_RESULT_COLUMN = 13; // "N" |
| } |
| |
| @Test |
| void testAll() throws Exception { |
| |
| HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("yearfracExamples.xls"); |
| HSSFSheet sheet = wb.getSheetAt(0); |
| HSSFFormulaEvaluator formulaEvaluator = new HSSFFormulaEvaluator(wb); |
| int nSuccess = 0; |
| Iterator<Row> rowIterator = sheet.rowIterator(); |
| while(rowIterator.hasNext()) { |
| HSSFRow row = (HSSFRow) rowIterator.next(); |
| |
| HSSFCell cell = row.getCell(SS.YEARFRAC_FORMULA_COLUMN); |
| if (cell == null || cell.getCellType() != CellType.FORMULA) { |
| continue; |
| } |
| processRow(row, cell, formulaEvaluator); |
| nSuccess++; |
| } |
| |
| assertTrue(nSuccess > 0, "No test sample cases found"); |
| wb.close(); |
| } |
| |
| private void processRow(HSSFRow row, HSSFCell cell, HSSFFormulaEvaluator formulaEvaluator) |
| throws EvaluationException { |
| |
| double startDate = makeDate(row, SS.START_YEAR_COLUMN); |
| double endDate = makeDate(row, SS.END_YEAR_COLUMN); |
| |
| int basis = getIntCell(row, SS.BASIS_COLUMN); |
| |
| double expectedValue = getDoubleCell(row, SS.EXPECTED_RESULT_COLUMN); |
| |
| double actualValue = YearFracCalculator.calculate(startDate, endDate, basis); |
| |
| String loc = " - row " + (row.getRowNum()+1); |
| assertEquals(expectedValue, actualValue, 0, "Direct calculate failed"+loc); |
| actualValue = formulaEvaluator.evaluate(cell).getNumberValue(); |
| assertEquals(expectedValue, actualValue, 0, "Formula evaluate failed"+loc); |
| } |
| |
| private static double makeDate(HSSFRow row, int yearColumn) { |
| int year = getIntCell(row, yearColumn + 0); |
| int month = getIntCell(row, yearColumn + 1); |
| int day = getIntCell(row, yearColumn + 2); |
| Calendar c = LocaleUtil.getLocaleCalendar(year, month-1, day); |
| return DateUtil.getExcelDate(c.getTime()); |
| } |
| |
| private static int getIntCell(HSSFRow row, int colIx) { |
| double dVal = getDoubleCell(row, colIx); |
| String msg = "Non integer value (" + dVal + ") cell found at column " + (char)('A' + colIx); |
| assertEquals(Math.floor(dVal), dVal, 0, msg); |
| return (int)dVal; |
| } |
| |
| private static double getDoubleCell(HSSFRow row, int colIx) { |
| HSSFCell cell = row.getCell(colIx); |
| assertNotNull(cell, "No cell found at column " + colIx); |
| return cell.getNumericCellValue(); |
| } |
| } |