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160 lines (127 loc) · 5.24 KB
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#include "ApplicationSetup.hpp"
#include <QtNodes/DataFlowGraphModel>
#include <QtNodes/NodeDelegateModel>
#include <QtNodes/NodeDelegateModelRegistry>
#include <QtNodes/Definitions>
#include <catch2/catch.hpp>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QPointF>
using QtNodes::ConnectionId;
using QtNodes::DataFlowGraphModel;
using QtNodes::InvalidNodeId;
using QtNodes::NodeDelegateModel;
using QtNodes::NodeDelegateModelRegistry;
using QtNodes::NodeId;
using QtNodes::NodeRole;
class SerializableTestModel : public NodeDelegateModel
{
public:
QString name() const override { return "SerializableTestModel"; }
QString caption() const override { return "Test Model for Serialization"; }
unsigned int nPorts(QtNodes::PortType portType) const override
{
return (portType == QtNodes::PortType::In) ? 1 : 1;
}
QtNodes::NodeDataType dataType(QtNodes::PortType, QtNodes::PortIndex) const override { return {}; }
void setInData(std::shared_ptr<QtNodes::NodeData>, QtNodes::PortIndex const) override {}
std::shared_ptr<QtNodes::NodeData> outData(QtNodes::PortIndex const) override { return nullptr; }
QWidget* embeddedWidget() override { return nullptr; }
};
TEST_CASE("DataFlowGraphModel serialization", "[serialization]")
{
auto app = applicationSetup();
auto registry = std::make_shared<NodeDelegateModelRegistry>();
registry->registerModel<SerializableTestModel>("SerializableTestModel");
DataFlowGraphModel model(registry);
SECTION("Save and load empty model")
{
QJsonObject json = model.save();
CHECK_FALSE(json.isEmpty());
// Should have nodes and connections arrays
CHECK(json.contains("nodes"));
CHECK(json.contains("connections"));
CHECK(json["nodes"].isArray());
CHECK(json["connections"].isArray());
// Arrays should be empty for empty model
CHECK(json["nodes"].toArray().size() == 0);
CHECK(json["connections"].toArray().size() == 0);
}
SECTION("Save and load model with nodes")
{
// Create nodes
NodeId node1 = model.addNode("SerializableTestModel");
NodeId node2 = model.addNode("SerializableTestModel");
// Validate nodes were created successfully
CHECK(node1 != InvalidNodeId);
CHECK(node2 != InvalidNodeId);
// Set positions
model.setNodeData(node1, NodeRole::Position, QPointF(100, 200));
model.setNodeData(node2, NodeRole::Position, QPointF(300, 400));
// Save
QJsonObject json = model.save();
CHECK(json["nodes"].toArray().size() == 2);
CHECK(json["connections"].toArray().size() == 0);
// Create new model and load
DataFlowGraphModel newModel(registry);
newModel.load(json);
// Check that nodes were loaded
auto nodeIds = newModel.allNodeIds();
CHECK(nodeIds.size() == 2);
// Note: Node IDs might be different after loading, but positions should be preserved
for (NodeId id : nodeIds) {
QPointF pos = newModel.nodeData(id, NodeRole::Position).toPointF();
CHECK((pos == QPointF(100, 200) || pos == QPointF(300, 400)));
}
}
SECTION("Save and load model with connections")
{
// Create nodes and connection
NodeId node1 = model.addNode("SerializableTestModel");
NodeId node2 = model.addNode("SerializableTestModel");
// Validate nodes were created successfully
CHECK(node1 != InvalidNodeId);
CHECK(node2 != InvalidNodeId);
ConnectionId conn{node1, 0, node2, 0};
model.addConnection(conn);
// Save
QJsonObject json = model.save();
CHECK(json["nodes"].toArray().size() == 2);
CHECK(json["connections"].toArray().size() == 1);
// Create new model and load
DataFlowGraphModel newModel(registry);
newModel.load(json);
// Check that connection was loaded
auto nodeIds = newModel.allNodeIds();
CHECK(nodeIds.size() == 2);
// Find a node that has connections
bool foundConnection = false;
for (NodeId id : nodeIds) {
auto connections = newModel.allConnectionIds(id);
if (!connections.empty()) {
foundConnection = true;
break;
}
}
CHECK(foundConnection);
}
}
TEST_CASE("Individual node serialization", "[serialization]")
{
auto app = applicationSetup();
auto registry = std::make_shared<NodeDelegateModelRegistry>();
registry->registerModel<SerializableTestModel>("SerializableTestModel");
DataFlowGraphModel model(registry);
SECTION("Save individual node")
{
NodeId nodeId = model.addNode("SerializableTestModel");
CHECK(nodeId != InvalidNodeId);
model.setNodeData(nodeId, NodeRole::Position, QPointF(150, 250));
QJsonObject nodeJson = model.saveNode(nodeId);
CHECK_FALSE(nodeJson.isEmpty());
// Should contain at least some node information
CHECK(nodeJson.contains("id"));
CHECK(nodeJson.contains("position"));
}
}