Method exportImport

tests/import_export/FITS/FITSFilterTest.cpp:238–297

}

void FITSFilterTest::exportImport() {
	// create Spreadsheet with data
	Spreadsheet spreadsheet(QStringLiteral("Spreadsheet"), false);
	spreadsheet.setColumnCount(3);
	spreadsheet.setRowCount(10);

	const QVector<double> data{0.5, -0.2, GSL_NAN, 2.0, -1.0};

	auto* col1{spreadsheet.column(0)};
	col1->setColumnMode(AbstractColumn::ColumnMode::Integer);
	auto* col2{spreadsheet.column(1)};
	auto* col3{spreadsheet.column(2)};

	SpreadsheetView view(&spreadsheet, false);
	view.selectColumn(0);
	view.fillWithRowNumbers();
	view.selectColumn(1);

	EquidistantValuesDialog dlg(&spreadsheet);
	dlg.setColumns(QVector<Column*>{col2});
	dlg.setType(EquidistantValuesDialog::Type::FixedNumber);
	dlg.setNumber(6);
	dlg.setFromValue(1.);
	dlg.setToValue(2.);
	dlg.generate();

	col3->replaceValues(0, data);

	// export to FITS
	QTemporaryFile file;
	if (!file.open()) // needed to generate file name
		return;
	file.close(); // only file name is used

	QString fileName = file.fileName();
	fileName.append(QStringLiteral(".fits"));

	FITSFilter filter;
	// exports to primary header
	filter.write(fileName, &spreadsheet);

	// import FITS file to another spreadsheet
	Spreadsheet spreadsheet2(QStringLiteral("Import"), false);
	filter.readDataFromFile(fileName, &spreadsheet2);

	QCOMPARE(spreadsheet2.columnCount(), 3);
	QCOMPARE(spreadsheet2.rowCount(), 10);

	// check values
	for (int i = 0; i < spreadsheet2.rowCount(); i++)
		QCOMPARE(spreadsheet2.column(0)->valueAt(i), i + 1);

	for (int i = 0; i < 6; i++)
		FuzzyCompare(spreadsheet2.column(1)->valueAt(i), 1. + i * 0.2, 1.e-7);

	for (int i = 0; i < data.size(); i++)
		FuzzyCompare(spreadsheet2.column(2)->valueAt(i), data.at(i), 1.e-7);