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#include "ApplicationSetup.hpp"
#include "Stringify.hpp"
#include "StubNodeDataModel.hpp"
#include <catch2/catch.hpp>
#include <functional>
#include <memory>
#include <nodes/FlowScene>
#include <nodes/Node>
#include <nodes/NodeDataModel>
#include <utility>
#include <vector>
using QtNodes::Connection;
using QtNodes::DataModelRegistry;
using QtNodes::FlowScene;
using QtNodes::Node;
using QtNodes::NodeData;
using QtNodes::NodeDataModel;
using QtNodes::NodeDataType;
using QtNodes::PortIndex;
using QtNodes::PortType;
TEST_CASE("FlowScene triggers connections created or deleted", "[gui]")
{
struct MockDataModel : StubNodeDataModel
{
unsigned int nPorts(PortType) const override
{
return 1;
}
void inputConnectionCreated(Connection const &) override
{
inputCreatedCalledCount++;
}
void inputConnectionDeleted(Connection const &) override
{
inputDeletedCalledCount++;
}
void outputConnectionCreated(Connection const &) override
{
outputCreatedCalledCount++;
}
void outputConnectionDeleted(Connection const &) override
{
outputDeletedCalledCount++;
}
int inputCreatedCalledCount = 0;
int inputDeletedCalledCount = 0;
int outputCreatedCalledCount = 0;
int outputDeletedCalledCount = 0;
void resetCallCounts()
{
inputCreatedCalledCount = 0;
inputDeletedCalledCount = 0;
outputCreatedCalledCount = 0;
outputDeletedCalledCount = 0;
}
};
auto setup = applicationSetup();
FlowScene scene;
Node &fromNode = scene.createNode(std::make_unique<MockDataModel>());
Node &toNode = scene.createNode(std::make_unique<MockDataModel>());
Node &unrelatedNode = scene.createNode(std::make_unique<MockDataModel>());
auto &fromNgo = fromNode.nodeGraphicsObject();
auto &toNgo = toNode.nodeGraphicsObject();
auto &unrelatedNgo = unrelatedNode.nodeGraphicsObject();
fromNgo.setPos(0, 0);
toNgo.setPos(200, 20);
unrelatedNgo.setPos(-100, -100);
auto &from = dynamic_cast<MockDataModel &>(*fromNode.nodeDataModel());
auto &to = dynamic_cast<MockDataModel &>(*toNode.nodeDataModel());
auto &unrelated = dynamic_cast<MockDataModel &>(*unrelatedNode.nodeDataModel());
SECTION("creating half a connection (not finishing the connection)")
{
auto connection = scene.createConnection(PortType::Out, fromNode, 0);
CHECK(from.inputCreatedCalledCount == 0);
CHECK(from.outputCreatedCalledCount == 0);
CHECK(to.inputCreatedCalledCount == 0);
CHECK(to.outputCreatedCalledCount == 0);
CHECK(unrelated.inputCreatedCalledCount == 0);
CHECK(unrelated.outputCreatedCalledCount == 0);
scene.deleteConnection(*connection);
}
struct Creation
{
std::string name;
std::function<std::shared_ptr<Connection>()> createConnection;
};
Creation sceneCreation{ "scene.createConnection", [&] {
return scene.createConnection(toNode, 0, fromNode, 0);
} };
Creation partialCreation{ "scene.createConnection-by partial", [&] {
auto connection = scene.createConnection(PortType::Out, fromNode, 0);
connection->setNodeToPort(toNode, PortType::In, 0);
return connection;
} };
struct Deletion
{
std::string name;
std::function<void(std::shared_ptr<Connection>)> deleteConnection;
};
Deletion sceneDeletion{ "scene.deleteConnection", [&](auto c) {
scene.deleteConnection(*c);
} };
Deletion partialDragDeletion{ "scene-deleteConnectionByDraggingOff", [&](auto connection) {
connection->clearNode(PortType::In);
} };
SECTION("creating a connection")
{
std::vector<Creation> cases({ sceneCreation, partialCreation });
for (Creation const &create : cases)
{
SECTION(create.name)
{
auto connection = create.createConnection();
CHECK(from.inputCreatedCalledCount == 0);
CHECK(from.outputCreatedCalledCount == 1);
CHECK(to.inputCreatedCalledCount == 1);
CHECK(to.outputCreatedCalledCount == 0);
CHECK(unrelated.inputCreatedCalledCount == 0);
CHECK(unrelated.outputCreatedCalledCount == 0);
scene.deleteConnection(*connection);
}
}
}
SECTION("deleting a connection")
{
std::vector<Deletion> cases({ sceneDeletion, partialDragDeletion });
for (auto const &deletion : cases)
{
SECTION("deletion: " + deletion.name)
{
auto connection = sceneCreation.createConnection();
std::weak_ptr<Connection> weakConnection = connection;
from.resetCallCounts();
to.resetCallCounts();
deletion.deleteConnection(std::move(connection));
CHECK(from.inputDeletedCalledCount == 0);
CHECK(from.outputDeletedCalledCount == 1);
CHECK(to.inputDeletedCalledCount == 1);
CHECK(to.outputDeletedCalledCount == 0);
CHECK(unrelated.inputDeletedCalledCount == 0);
CHECK(unrelated.outputDeletedCalledCount == 0);
}
}
}
}
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