Method saveRestoreWithCalculations

tests/analysis/common/CommonAnalysisTest.cpp:176–241

! * test save and restore of the project with the activated option "save calculations", * the results of calculations are saved into and read from project's XML.' */

 * the results of calculations are saved into and read from project's XML.'
 */
void CommonAnalysisTest::saveRestoreWithCalculations() {
	QString savePath;

	// save
	{
		Project project;
		project.setSaveCalculations(true);
		auto* ws = new Worksheet(QStringLiteral("Worksheet"));
		project.addChild(ws);

		auto* plot = new CartesianPlot(QStringLiteral("plot"));
		ws->addChild(plot);

		auto* sheet = new Spreadsheet(QStringLiteral("sheet"));
		project.addChild(sheet);
		sheet->setColumnCount(2);
		sheet->setRowCount(2);
		sheet->column(0)->setValueAt(0, 1);
		sheet->column(0)->setValueAt(1, 2);
		sheet->column(1)->setValueAt(0, 1);
		sheet->column(1)->setValueAt(1, 2);

		auto* fitCurve = new XYFitCurve(QStringLiteral("fit"));
		plot->addChild(fitCurve);
		fitCurve->setDataSourceType(XYAnalysisCurve::DataSourceType::Spreadsheet);
		fitCurve->setXDataColumn(sheet->column(0));
		fitCurve->setYDataColumn(sheet->column(1));

		// perform the fit
		XYFitCurve::FitData fitData = fitCurve->fitData();
		fitData.modelCategory = nsl_fit_model_basic;
		fitData.modelType = nsl_fit_model_polynomial;
		fitData.degree = 1;
		XYFitCurve::initFitData(fitData);
		fitCurve->setFitData(fitData);
		fitCurve->recalculate();

		SAVE_PROJECT("saveRestoreWithCalculations");
	}

	// load the project and verify the columns in the analysis curve have valid data
	{
		Project project;
		QCOMPARE(project.load(savePath), true);

		const auto* ws = project.child<Worksheet>(0);
		QVERIFY(ws);
		const auto* plot = ws->child<CartesianPlot>(0);
		QVERIFY(plot);
		const auto* curve = plot->child<XYCurve>(0);
		QVERIFY(curve);
		const auto* fitCurve = plot->child<XYFitCurve>(0);
		QVERIFY(fitCurve);

		// TODO: check to make sure no recalculate() was called.

		// the number of valid (non-empty) values should be greater than 0
		QVERIFY(fitCurve->xColumn());