TestTransformationExplorer.h

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#ifndef CAMITK_TESTTRANSFORMATIONEXPLORER_H
#define CAMITK_TESTTRANSFORMATIONEXPLORER_H
 
#include <QTest>
 
#include <ranges>
 
#include "FrameOfReference.h"
#include "Transformation.h"
#include "TransformationManager.h"
#include "MeshComponent.h"
#include "Application.h"
#include "ExtensionManager.h"
#include "TransformationExplorer.h"
#include "Log.h"
 
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkMatrix4x4.h>
#include <vtkTransform.h>
 
 
using namespace camitk;
 
class TestTransformationExplorer: public QObject {
    Q_OBJECT
 
    TransformationExplorer* explorer;
 
    auto createFramesAndTransformation(QString frame1, QString frame2) {
        auto fr1 = TransformationManager::addFrameOfReference(frame1);
        auto fr2 = TransformationManager::addFrameOfReference(frame2);
 
        auto tr = TransformationManager::addTransformation(fr1, fr2);
        return std::make_tuple(fr1, fr2, tr);
    }
 
    Component* createSphere(float radius = 1.0) {
        auto sphereSource = vtkSmartPointer<vtkSphereSource>::New();
        sphereSource->SetRadius(radius);
        vtkSmartPointer<vtkPointSet> sphere(sphereSource->GetOutput());
        return new MeshComponent(sphere, "Sphere");
    }
 
private slots:
 
    void initTestCase() {
        // show all log messages in the console
        Log::getLogger()->setLogLevel(InterfaceLogger::TRACE);
        // no log messages will generate a QMessageBox
        Log::getLogger()->setMessageBoxLevel(InterfaceLogger::NONE);
        // no time stamp for reproducible log diff
        Log::getLogger()->setTimeStampInformation(false);
 
        // Make sure we load the TransformationExplorer viewer
        // Load all the viewer extensions in order to use the TransformationExplorer factory (Application::getNewViewer)
        ExtensionManager::autoload(ExtensionManager::VIEWER);
        // Create a new custom Geometry Viewer
        explorer = dynamic_cast<TransformationExplorer*>(Application::getNewViewer("Explorer test", "TransformationExplorer"));
        QVERIFY(explorer != nullptr);
 
        // Initialize the widget and show the widget in order to build the widget (and its frame)
        // and force the new viewer frame to be truly visible so that calling setFrame(..)
        // (that itself calls refresh(..)) really updates of the actor transformation, the aim of this test
        explorer->getWidget();
 
        // Register the viewer so that it can be used in comp->setVisibility(...)
        // and be automatically called during Application::refresh()
        Application::registerViewer(explorer);
    }
 
    void cleanupTestCase() {
    }
 
    void cleanup() {
 
    }
 
    void playWithFramesTransformationsAndComponents() {
        explorer->refresh();
        auto [fr1, fr2, tr] = createFramesAndTransformation("Frame1", "Frame2");
        explorer->refresh();
        Component* c1 = createSphere();
        QVERIFY(c1 != nullptr);
        explorer->refresh();
        delete c1;
        explorer->refresh();
        fr1 = nullptr;
        fr2 = nullptr;
        tr = nullptr;
        TransformationManager::cleanupFramesAndTransformations();
        explorer->refresh();
        QCOMPARE(TransformationManager::getFramesOfReference().size(), 1);
    }
 
};
 
// } // namespace camitk
 
#endif // CAMITK_TESTTRANSFORMATIONEXPLORER_H