TestXLookupFunction.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
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package org.apache.poi.ss.formula.atp;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellReference;
import org.junit.jupiter.api.Test;

import java.io.IOException;
import java.util.Locale;

import static org.apache.poi.ss.util.Utils.*;
import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Testcase for function XLOOKUP()
 */
public class TestXLookupFunction {

    //https://support.microsoft.com/en-us/office/xlookup-function-b7fd680e-6d10-43e6-84f9-88eae8bf5929
    @Test
    void testMicrosoftExample1() throws IOException {
        try (HSSFWorkbook wb = initWorkbook1()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(100);
            assertString(fe, cell, "XLOOKUP(F2,B2:B11,D2:D11)", "+55");
            assertString(fe, cell, "XLOOKUP(\"Brazil\",B2:B11,D2:D11)", "+55");
            assertString(fe, cell, "XLOOKUP(\"brazil\",B2:B11,D2:D11)", "+55");
            //wildcard lookups
            assertString(fe, cell, "XLOOKUP(\"brazil\",B2:B11,D2:D11,,2)", "+55");
            assertString(fe, cell, "XLOOKUP(\"b*l\",B2:B11,D2:D11,,2)", "+55");
            assertString(fe, cell, "XLOOKUP(\"i???a\",B2:B11,D2:D11,,2)", "+91");
        }
    }

    @Test
    void testMicrosoftExample2() throws IOException {
        String formulaText = "XLOOKUP(B2,B5:B14,C5:D14)";
        try (HSSFWorkbook wb = initWorkbook2(8389)) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFSheet sheet = wb.getSheetAt(0);
            HSSFRow row1 = sheet.getRow(1);
            String col1 = CellReference.convertNumToColString(2);
            String col2 = CellReference.convertNumToColString(3);
            String cellRef = String.format(Locale.ENGLISH, "%s2:%s2", col1, col2);
            sheet.setArrayFormula(formulaText, CellRangeAddress.valueOf(cellRef));
            fe.evaluateAll();
            assertEquals("Dianne Pugh", row1.getCell(2).getStringCellValue());
            assertEquals("Finance", row1.getCell(3).getStringCellValue());
        }
    }

    @Test
    void testMicrosoftExample3() throws IOException {
        try (HSSFWorkbook wb = initWorkbook2(999999)) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(100);
            assertError(fe, cell, "XLOOKUP(B2,B5:B14,C5:D14)", FormulaError.NA);

            assertString(fe, cell, "XLOOKUP(B2,B5:B14,C5:C14,\"not found\")", "not found");

            String formulaText = "XLOOKUP(B2,B5:B14,C5:D14,\"not found\")";
            HSSFSheet sheet = wb.getSheetAt(0);
            HSSFRow row1 = sheet.getRow(1);
            String col1 = CellReference.convertNumToColString(2);
            String col2 = CellReference.convertNumToColString(3);
            String cellRef = String.format(Locale.ENGLISH, "%s2:%s2", col1, col2);
            sheet.setArrayFormula(formulaText, CellRangeAddress.valueOf(cellRef));
            fe.evaluateAll();
            assertEquals("not found", row1.getCell(2).getStringCellValue());
            assertEquals("", row1.getCell(3).getStringCellValue());
        }
    }

    @Test
    void testMicrosoftExample4() throws IOException {
        try (HSSFWorkbook wb = initWorkbook4()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(1).createCell(6);
            assertDouble(fe, cell, "XLOOKUP(E2,C2:C7,B2:B7,0,1,1)", 0.24);
            assertDouble(fe, cell, "XLOOKUP(E2,C2:C7,B2:B7,0,1,-1)", 0.24);
        }
    }

    @Test
    void testMicrosoftExample5() throws IOException {
        try (HSSFWorkbook wb = initWorkbook5()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(2).createCell(3);
            assertDouble(fe, cell, "XLOOKUP(D2,$B6:$B17,$C6:$C17)", 25000);
            assertDouble(fe, cell, "XLOOKUP(D2,$B6:$B17,XLOOKUP($C3,$C5:$G5,$C6:$G17))", 25000);
        }
    }

    @Test
    void testBinarySearch() throws IOException {
        try (HSSFWorkbook wb = initWorkbook4()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(1).createCell(6);
            assertDouble(fe, cell, "XLOOKUP(E2,C2:C7,B2:B7,0,1,2)", 0.24);
            assertDouble(fe, cell, "XLOOKUP(39475,C2:C7,B2:B7,0,0,2)", 0.22);
            assertDouble(fe, cell, "XLOOKUP(39474,C2:C7,B2:B7,0,0,2)", 0);
        }
    }

    @Test
    void testReverseBinarySearch() throws IOException {
        try (HSSFWorkbook wb = initReverseWorkbook4()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(1).createCell(6);
            assertDouble(fe, cell, "XLOOKUP(E2,C2:C7,B2:B7,0,1,-2)", 0.24);
            assertDouble(fe, cell, "XLOOKUP(39475,C2:C7,B2:B7,0,0,-2)", 0.22);
            assertDouble(fe, cell, "XLOOKUP(39474,C2:C7,B2:B7,0,0,-2)", 0);
        }
    }

    @Test
    void testReverseBinarySearchWithInvalidValues() throws IOException {
        try (HSSFWorkbook wb = initReverseWorkbook4WithInvalidIncomes()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(1).createCell(6);
            assertDouble(fe, cell, "XLOOKUP(E2,C2:C7,B2:B7,0,1,-2)", 0.37);
            assertDouble(fe, cell, "XLOOKUP(9700,C2:C7,B2:B7,0,0,-2)", 0.1);
            assertDouble(fe, cell, "XLOOKUP(39474,C2:C7,B2:B7,0,0,-2)", 0);
        }
    }

    @Test
    void testMicrosoftExample6() throws IOException {
        try (HSSFWorkbook wb = initWorkbook6()) {
            HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
            HSSFCell cell = wb.getSheetAt(0).getRow(2).createCell(3);
            assertDouble(fe, cell, "XLOOKUP(B3,B6:B10,E6:E10)", 75.28);
            assertDouble(fe, cell, "XLOOKUP(C3,B6:B10,E6:E10)", 17.25);
            assertDouble(fe, cell, "SUM(XLOOKUP(B3,B6:B10,E6:E10):XLOOKUP(C3,B6:B10,E6:E10))", 110.69);
        }
    }

    private HSSFWorkbook initWorkbook1() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0, null, "Country", "Abr", "Prefix");
        addRow(sheet, 1, null, "China", "CN", "+86", null, "Brazil");
        addRow(sheet, 2, null, "India", "IN", "+91");
        addRow(sheet, 3, null, "United States", "US", "+1");
        addRow(sheet, 4, null, "Indonesia", "ID", "+62");
        addRow(sheet, 5, null, "Brazil", "BR", "+55");
        addRow(sheet, 6, null, "Pakistan", "PK", "+92");
        addRow(sheet, 7, null, "Nigeria", "NG", "+234");
        addRow(sheet, 8, null, "Bangladesh", "BD", "+880");
        addRow(sheet, 9, null, "Russia", "RU", "+7");
        addRow(sheet, 10, null, "Mexico", "MX", "+52");
        return wb;
    }

    private HSSFWorkbook initWorkbook2(int empId) {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0, null, "Emp Id", "Employee Name", "Department");
        addRow(sheet, 1, null, empId);
        addRow(sheet, 3, null, "Emp Id", "Employee Name", "Department");
        addRow(sheet, 4, null, 4390, "Ned Lanning", "Marketing");
        addRow(sheet, 5, null, 8604, "Margo Hendrix", "Sales");
        addRow(sheet, 6, null, 8389, "Dianne Pugh", "Finance");
        addRow(sheet, 7, null, 4937, "Earlene McCarty", "Accounting");
        addRow(sheet, 8, null, 8299, "Mia Arnold", "Operation");
        addRow(sheet, 9, null, 2643, "Jorge Fellows", "Executive");
        addRow(sheet, 10, null, 5243, "Rose Winters", "Sales");
        addRow(sheet, 11, null, 9693, "Carmela Hahn", "Finance");
        addRow(sheet, 12, null, 1636, "Delia Cochran", "Accounting");
        addRow(sheet, 13, null, 6703, "Marguerite Cervantes", "Marketing");
        return wb;
    }

    private HSSFWorkbook initWorkbook4() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0, null, "Tax Rate", "Max Income", null, "Income", "Tax Rate");
        addRow(sheet, 1, null, 0.10, 9700, null, 46523);
        addRow(sheet, 2, null, 0.22, 39475);
        addRow(sheet, 3, null, 0.24, 84200);
        addRow(sheet, 4, null, 0.32, 160726);
        addRow(sheet, 5, null, 0.35, 204100);
        addRow(sheet, 6, null, 0.37, 510300);
        return wb;
    }

    private HSSFWorkbook initReverseWorkbook4() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0, null, "Tax Rate", "Max Income", null, "Income", "Tax Rate");
        addRow(sheet, 1, null, 0.37, 510300, null, 46523);
        addRow(sheet, 2, null, 0.35, 204100);
        addRow(sheet, 3, null, 0.32, 160726);
        addRow(sheet, 4, null, 0.24, 84200);
        addRow(sheet, 5, null, 0.22, 39475);
        addRow(sheet, 6, null, 0.10, 9700);
        return wb;
    }

    private HSSFWorkbook initReverseWorkbook4WithInvalidIncomes() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0, null, "Tax Rate", "Max Income", null, "Income", "Tax Rate");
        addRow(sheet, 1, null, 0.37, 510300, null, 46523);
        addRow(sheet, 2, null, 0.35, "invalid");
        addRow(sheet, 3, null, 0.32, "invalid");
        addRow(sheet, 4, null, 0.24, "invalid");
        addRow(sheet, 5, null, 0.22, "invalid");
        addRow(sheet, 6, null, 0.10, 9700);
        return wb;
    }

    private HSSFWorkbook initWorkbook5() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0);
        addRow(sheet, 1, null, null, "Quarter", "Gross Profit", "Net Profit", "Profit %");
        addRow(sheet, 2, null, null, "Qtr1");
        addRow(sheet, 3);
        addRow(sheet, 4, null, "Income Statement", "Qtr1", "Qtr2", "Qtr3", "Qtr4", "Total");
        addRow(sheet, 5, null, "Total Sales", 50000, 78200, 89500, 91250, 308950);
        addRow(sheet, 6, null, "Cost of Sales", -25000, -42050, -59450, -60450, -186950);
        addRow(sheet, 7, null, "Gross Profit", 25000, 37150, -30050, -30450, 122000);
        addRow(sheet, 8);
        addRow(sheet, 9, null, "Depreciation", -899, -791, -202, -412, -2304);
        addRow(sheet, 10, null, "Interest", -513, -853, -150, -956, -2472);
        addRow(sheet, 11, null, "Earnings before Tax", 23588, 34506, 29698, 29432, 117224);
        addRow(sheet, 12);
        addRow(sheet, 13, null, "Tax", -4246, -6211, -5346, -5298, -21100);
        addRow(sheet, 14);
        addRow(sheet, 15, null, "Net Profit", 19342, 28293, 24352, 24134, 96124);
        addRow(sheet, 15, null, "Profit %", .293, .278, .234, .236, .269);
        return wb;
    }

    private HSSFWorkbook initWorkbook6() {
        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet();
        addRow(sheet, 0);
        addRow(sheet, 1, null, "Start", "End", "Total");
        addRow(sheet, 2, null, "Grape", "Banana");
        addRow(sheet, 3, null, "United States", "US", "+1");
        addRow(sheet, 4);
        addRow(sheet, 5, null, "Product", "Qty", "Price", "Total");
        addRow(sheet, 6, null, "Apple", 23, 0.52, 11.90);
        addRow(sheet, 7, null, "Grape", 98, 0.77, 75.28);
        addRow(sheet, 8, null, "Pear", 75, 0.24, 18.16);
        addRow(sheet, 9, null, "Banana", 95, 0.18, 17.25);
        addRow(sheet, 10, null, "Cherry", 42, 0.16, 6.80);
        return wb;
    }

}