Method TestAddCurve

tests/backend/Retransform/RetransformTest.cpp:644–705

}

void RetransformTest::TestAddCurve() {
	Project project;
	auto* ws = new Worksheet(QStringLiteral("Worksheet"));
	QVERIFY(ws != nullptr);
	project.addChild(ws);

	auto* p = new CartesianPlot(QStringLiteral("plot"));
	p->setType(CartesianPlot::Type::TwoAxes); // Otherwise no axis are created
	QVERIFY(p != nullptr);
	ws->addChild(p);

	RetransformCallCounter c;

	p->addChild(new XYEquationCurve(QLatin1String("curve")));

	// check that plot will be recalculated if a curve will be added
	QCOMPARE(c.callCount(p), 1);

	auto children = project.children(AspectType::AbstractAspect, AbstractAspect::ChildIndexFlag::Recursive);

	// Project/Worksheet
	// Project/Worksheet/plot
	// Project/Worksheet/plot/x
	// Project/Worksheet/plot/y
	// Project/Worksheet/plot/f(x) // equation curve
	QCOMPARE(children.length(), 5);
	for (const auto& child : children)
		connect(child, &AbstractAspect::retransformCalledSignal, &c, &RetransformCallCounter::aspectRetransformed);

	for (const auto& plot : project.children(AspectType::CartesianPlot, AbstractAspect::ChildIndexFlag::Recursive))
		connect(static_cast<CartesianPlot*>(plot), &CartesianPlot::scaleRetransformed, &c, &RetransformCallCounter::retransformScaleCalled);

	c.resetRetransformCount();

	auto equationCurves = p->children(AspectType::XYEquationCurve);
	QCOMPARE(equationCurves.count(), 1);
	auto* equationCurve = static_cast<XYEquationCurve*>(equationCurves.at(0));
	XYEquationCurve::EquationData data;
	data.count = 100;
	data.expression1 = QStringLiteral("x");
	data.expression2 = QString();
	data.min = QStringLiteral("0");
	data.max = QStringLiteral("10");
	data.type = XYEquationCurve::EquationType::Cartesian;
	equationCurve->setEquationData(data);

	auto list = QStringList({i18n("Project") + QStringLiteral("/Worksheet/plot/x"),
							 i18n("Project") + QStringLiteral("/Worksheet/plot/y"),
							 i18n("Project") + QStringLiteral("/Worksheet/plot/f(x)")});
	QCOMPARE(c.elementLogCount(false), list.count());
	QCOMPARE(c.callCount(list.at(0)), 1);
	QCOMPARE(c.callCount(list.at(1)), 1);
	QCOMPARE(c.callCount(list.at(2)), 0);

	// x and y are called only once
	QCOMPARE(c.logsXScaleRetransformed.count(), 1);
	QCOMPARE(c.logsXScaleRetransformed.at(0).plot, p);
	QCOMPARE(c.logsXScaleRetransformed.at(0).index, 0);