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/*
File : SpreadsheetFormulaTest.cpp
Project : LabPlot
Description : Tests for formula in spreadsheets
--------------------------------------------------------------------
SPDX-FileCopyrightText: 2022 Stefan Gerlach <stefan.gerlach@uni.kn>
SPDX-FileCopyrightText: 2023-2025 Alexander Semke <alexander.semke@web.de>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "SpreadsheetFormulaTest.h"
#include "backend/lib/macros.h"
#include "backend/spreadsheet/Spreadsheet.h"
#include "frontend/spreadsheet/SpreadsheetView.h"
#include <QClipboard>
#define INIT_SPREADSHEET \
Spreadsheet sheet(QStringLiteral("test 2 cols"), false); \
const int cols = 2; \
const int rows = 100; \
\
sheet.setColumnCount(cols); \
sheet.setRowCount(rows); \
\
SpreadsheetView view(&sheet, false); \
view.selectColumn(0); \
view.fillWithRowNumbers(); \
\
QStringList variableNames; \
variableNames << QLatin1String("x"); \
QVector<Column*> variableColumns; \
variableColumns << sheet.column(0); \
sheet.column(1)->setFormulaVariableColumn(sheet.column(0));
#define INIT_SPREADSHEET2 \
Spreadsheet sheet(QStringLiteral("test 3 cols"), false); \
const int cols = 3; \
const int rows = 100; \
\
sheet.setColumnCount(cols); \
sheet.setRowCount(rows); \
\
SpreadsheetView view(&sheet, false); \
view.selectColumn(0); \
view.fillWithRowNumbers(); \
for (int i = 0; i < rows; i++) \
sheet.column(1)->setValueAt(i, 1.); \
\
QStringList variableNames; \
variableNames << QStringLiteral("x") << QStringLiteral("y"); \
QVector<Column*> variableColumns; \
variableColumns << sheet.column(0) << sheet.column(1); \
sheet.column(2)->setFormulaVariableColumn(sheet.column(0)); \
sheet.column(2)->setFormulaVariableColumn(sheet.column(1));
//**********************************************************
//********** Check different formulas **********************
//**********************************************************
/*!
formula "1"
*/
void SpreadsheetFormulaTest::formula1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("1"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// spreadsheet size
QCOMPARE(sheet.columnCount(), cols);
QCOMPARE(sheet.rowCount(), rows);
// column modes
QCOMPARE(sheet.column(0)->columnMode(), AbstractColumn::ColumnMode::Integer);
QCOMPARE(sheet.column(1)->columnMode(), AbstractColumn::ColumnMode::Double);
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
}
}
/*!
formula "x"
*/
void SpreadsheetFormulaTest::formulax() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("x"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), i + 1);
}
}
/*!
formula "x + 1"
*/
void SpreadsheetFormulaTest::formulaxp1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("x+1"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), i + 2);
}
}
//**********************************************************
//********** Check different cell() formulas ***************
//**********************************************************
/*!
formula "cell(1, x)"
*/
void SpreadsheetFormulaTest::formulaCell1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(1; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
}
}
/*!
formula "cell(i, x)"
*/
void SpreadsheetFormulaTest::formulaCelli() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), i + 1);
}
}
/*!
formula "cell(i + 1, x)"
*/
void SpreadsheetFormulaTest::formulaCellip1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i + 1; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i < rows - 1)
QCOMPARE(sheet.column(1)->valueAt(i), i + 2);
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "cell(i - 1, x)"
*/
void SpreadsheetFormulaTest::formulaCellim1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i - 1; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i > 0)
QCOMPARE(sheet.column(1)->valueAt(i), i);
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "cell(2*i, x)"
*/
void SpreadsheetFormulaTest::formulaCell2i() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(2*i; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i < rows / 2)
QCOMPARE(sheet.column(1)->valueAt(i), 2 * (i + 1));
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "cell(i+1, x) - cell(i-1, x)"
*/
void SpreadsheetFormulaTest::formulaCellip1im1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i+1; x) - cell(i-1; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i > 0 && i < rows - 1)
QCOMPARE(sheet.column(1)->valueAt(i), 2);
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "sqrt(cell(i+1, x))"
*/
void SpreadsheetFormulaTest::formulaCellsqrtip1() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("sqrt(cell(i+1; x))"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i < rows - 1)
QCOMPARE(sheet.column(1)->valueAt(i), std::sqrt(i + 2));
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "cell(1, 2*x)"
*/
void SpreadsheetFormulaTest::formulaCell1_2x() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("2*cell(1; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 2);
}
}
/*!
formula "cell(i, 2*x)"
*/
void SpreadsheetFormulaTest::formulaCelli_2x() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i; x) * 2"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 2 * (i + 1));
}
}
/*!
formula "cell(1, x+x)"
*/
void SpreadsheetFormulaTest::formulaCelli_xpx() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("cell(i; x) * 2"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 2 * (i + 1));
}
}
/*!
formula "cell(i, x + 2*x)"
*/
void SpreadsheetFormulaTest::formulaCelli_xp2x() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("3 * cell(i; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 3 * (i + 1));
}
}
/*!
formula "cell(i, sqrt(x))"
*/
void SpreadsheetFormulaTest::formulaCelli_sqrtx() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("sqrt(cell(i; x))"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), std::sqrt(i + 1));
}
}
/*!
formula "cell(i, x+y)"
*/
void SpreadsheetFormulaTest::formulaCelli_xpy() {
INIT_SPREADSHEET2
sheet.column(2)->setFormula(QLatin1String("cell(i; x) + cell(i; y)"), variableNames, variableColumns, true);
sheet.column(2)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
QCOMPARE(sheet.column(2)->valueAt(i), i + 2);
}
}
/*!
formula "cell(2*i, x+y)"
*/
void SpreadsheetFormulaTest::formulaCell2i_xpy() {
INIT_SPREADSHEET2
sheet.column(2)->setFormula(QLatin1String("cell(2*i; x) + cell(2*i; y)"), variableNames, variableColumns, true);
sheet.column(2)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
if (i < rows / 2)
QCOMPARE(sheet.column(2)->valueAt(i), sheet.column(0)->valueAt(2 * i + 1) + sheet.column(1)->valueAt(2 * i + 1));
else
QCOMPARE(sheet.column(2)->valueAt(i), NAN);
}
}
/*!
formula "cell(i, 2*x) + cell (i, 2*y)"
*/
void SpreadsheetFormulaTest::formulaCelli_2xpCelli_2y() {
INIT_SPREADSHEET2
sheet.column(2)->setFormula(QLatin1String("2*cell(i; x) + cell(i; y) * 2"), variableNames, variableColumns, true);
sheet.column(2)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
QCOMPARE(sheet.column(2)->valueAt(i), 2 * sheet.column(0)->valueAt(i) + 2 * sheet.column(1)->valueAt(i));
}
}
///////////////////////// check group separator problem /////////////////////
void SpreadsheetFormulaTest::formulaLocale() {
Spreadsheet sheet(QStringLiteral("test"), false);
const int cols = 2;
const int rows = 3;
const QVector<double> xData{13000, 14000, 15000};
sheet.setColumnCount(cols);
sheet.setRowCount(rows);
auto* col0{sheet.column(0)};
col0->replaceValues(0, xData);
SpreadsheetView view(&sheet, false);
view.selectColumn(0);
QStringList variableNames;
variableNames << QLatin1String("x");
QVector<Column*> variableColumns;
variableColumns << sheet.column(0);
sheet.column(1)->setFormulaVariableColumn(sheet.column(0));
sheet.column(1)->setFormula(QLatin1String("mean(x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++)
QCOMPARE(sheet.column(1)->valueAt(i), sheet.column(0)->valueAt(1));
}
///////////////////////// more methods /////////////////////
/*!
formula "ma(x)"
*/
void SpreadsheetFormulaTest::formulama() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("ma(x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i > 0)
QCOMPARE(sheet.column(1)->valueAt(i), i + .5);
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "mr(x)"
*/
void SpreadsheetFormulaTest::formulamr() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("mr(x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
if (i > 0)
QCOMPARE(sheet.column(1)->valueAt(i), 1);
else
QCOMPARE(sheet.column(1)->valueAt(i), NAN);
}
}
/*!
formula "sma(n, x)"
*/
void SpreadsheetFormulaTest::formulasma() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("sma(4; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
const int N = 4;
for (int i = 0; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
double value = 0.;
for (int index = std::max(0, i - N + 1); index <= i; index++)
value += sheet.column(0)->valueAt(index);
QCOMPARE(sheet.column(1)->valueAt(i), value / N);
}
}
/*!
formula "smr(n, x)"
*/
void SpreadsheetFormulaTest::formulasmr() {
INIT_SPREADSHEET
sheet.column(1)->setFormula(QLatin1String("smr(4; x)"), variableNames, variableColumns, true);
sheet.column(1)->updateFormula();
// values
QCOMPARE(sheet.column(1)->valueAt(0), 0);
QCOMPARE(sheet.column(1)->valueAt(1), 1);
QCOMPARE(sheet.column(1)->valueAt(2), 2);
for (int i = 3; i < rows; i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 3);
}
}
// ##############################################################################
// ######### check updates of columns defined via a formula on changes ##########
// ##############################################################################
void SpreadsheetFormulaTest::formulaUpdateAfterCellChange() {
INIT_SPREADSHEET
auto* col1 = sheet.column(0);
auto* col2 = sheet.column(1);
col2->setFormula(QLatin1String("x"), variableNames, variableColumns, true);
col2->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(col1->valueAt(i), i + 1);
QCOMPARE(col2->valueAt(i), i + 1);
}
// modify the first cell in the first column and check the updated values
col1->setIntegerAt(0, 5);
// check the first row
QCOMPARE(col1->valueAt(0), 5);
QCOMPARE(col2->valueAt(0), 5);
// check the remaining rows
for (int i = 1; i < rows; i++) {
QCOMPARE(col1->valueAt(i), i + 1);
QCOMPARE(col2->valueAt(i), i + 1);
}
}
void SpreadsheetFormulaTest::formulaUpdateAfterPaste() {
INIT_SPREADSHEET
auto* col1 = sheet.column(0);
auto* col2 = sheet.column(1);
col2->setFormula(QLatin1String("x"), variableNames, variableColumns, true);
col2->updateFormula();
// values
for (int i = 0; i < rows; i++) {
QCOMPARE(col1->valueAt(i), i + 1);
QCOMPARE(col2->valueAt(i), i + 1);
}
// paste three values into the first column and check the updated values
const QString str = QStringLiteral("10\n20\n30");
QApplication::clipboard()->setText(str);
SpreadsheetView viewToPaste(&sheet, false);
viewToPaste.pasteIntoSelection();
// check the first three rows
QCOMPARE(col1->valueAt(0), 10);
QCOMPARE(col2->valueAt(0), 10);
QCOMPARE(col1->valueAt(1), 20);
QCOMPARE(col2->valueAt(1), 20);
QCOMPARE(col1->valueAt(2), 30);
QCOMPARE(col2->valueAt(2), 30);
// check the remaining rows
for (int i = 3; i < rows; i++) {
QCOMPARE(col1->valueAt(i), i + 1);
QCOMPARE(col2->valueAt(i), i + 1);
}
}
void SpreadsheetFormulaTest::formulaUpdateAfterRowRemoval() {
INIT_SPREADSHEET2
sheet.column(2)->setFormula(QLatin1String("x + y"), variableNames, variableColumns, true);
sheet.column(2)->updateFormula();
// check the initial values
for (int i = 0; i < sheet.rowCount(); i++) {
QCOMPARE(sheet.column(0)->valueAt(i), i + 1);
QCOMPARE(sheet.column(1)->valueAt(i), 1);
QCOMPARE(sheet.column(2)->valueAt(i), i + 2);
}
// select the rows from 10 to 15 and delete them
view.setCellsSelected(9, 0, 14, 2, true);
view.removeSelectedRows();
// re-check the values in the calculated column
QCOMPARE(sheet.rowCount(), 94);
for (int i = 0; i < sheet.rowCount(); i++)
QCOMPARE(sheet.column(2)->valueAt(i), sheet.column(0)->valueAt(i) + 1);
}
QTEST_MAIN(SpreadsheetFormulaTest)
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