public void Disconnect_Should_Throw_WhenConnectionNotInGraph()
{
var graph = new GraphModel(GraphTypeWithConnections);
var connection = new ConnectionModel(Substitute.For <IConnectionType>());
Assert.That(() => graph.Disconnect(connection), Throws.InvalidOperationException);
}
public void Disconnect_Should_Batch_WithConnect()
{
var graph = new GraphModel(Substitute.For <IGraphType>());
var node1 = new NodeModel(Substitute.For <INodeType>());
var node2 = new NodeModel(Substitute.For <INodeType>());
var port1 = PortModel.Create <string>("Out1", PortDirection.Output);
var port2 = PortModel.Create <string>("Out2", PortDirection.Output);
var port3 = PortModel.Create <string>("In1", PortDirection.Input);
var port4 = PortModel.Create <string>("In2", PortDirection.Input);
node1.AddPort(port1);
node1.AddPort(port2);
node2.AddPort(port3);
node2.AddPort(port4);
graph.AddNode(node1);
graph.AddNode(node2);
var connection1 = graph.Connect(port1, port3);
var connection2 = graph.Connect(port2, port4);
IReadOnlyList <ConnectionModel> removedConnections = null;
graph.GraphChanged += (an, rn, ac, rc) => { removedConnections = rc; };
using (graph.BeginChangeSet())
{
graph.Disconnect(connection1);
graph.Disconnect(connection2);
var connection3 = graph.Connect(port1, port3);
Assert.That(removedConnections, Is.Null);
Assert.That(connection3, Is.SameAs(connection1));
}
Assert.That(removedConnections, Is.Not.Null);
Assert.That(removedConnections, Is.EquivalentTo(new[] { connection2 }));
}
public void Disconnect_Should_Succeed()
{
var graph = new GraphModel(GraphTypeWithConnections);
var nodeType = Substitute.For <INodeType>();
var node1 = new NodeModel(nodeType);
var node2 = new NodeModel(nodeType);
var port1 = PortModel.Create <string>("Out", PortDirection.Output);
var port2 = PortModel.Create <string>("In", PortDirection.Input);
node1.AddPort(port1);
node2.AddPort(port2);
graph.AddNode(node1);
graph.AddNode(node2);
var connection = graph.Connect(port1, port2);
IReadOnlyList <ConnectionModel> list = null;
graph.GraphChanged += (an, rn, ac, rc) => { list = rc; };
graph.Disconnect(connection);
Assert.That(graph.Connections, Does.Not.Contains(connection));
Assert.That(port1.Connections, Does.Not.Contains(connection));
Assert.That(port2.Connections, Does.Not.Contains(connection));
Assert.That(connection.From, Is.Null);
Assert.That(connection.To, Is.Null);
Assert.That(list, Is.Not.Null);
Assert.That(list.Count, Is.EqualTo(1));
Assert.That(list, Does.Contain(connection));
}
public void Disconnect_Should_Throw_WhenNullConnection()
{
var graph = new GraphModel(GraphTypeWithConnections);
Assert.That(() => graph.Disconnect(null), Throws.ArgumentNullException);
}