public async Task ExecuteAsync_Should_Succeed_MultipleNodes()
{
// graph sceme:
// node1 -------------> node2 -------------> node3
// connection1 connection2
var graph = new GraphModel(GraphModelTests.CreateGraphType(new AppendConnection("+")));
var sourceType = new SourceNode("test");
var transferType = new TransferNode();
var destType = new DestinationNode();
var node1 = sourceType.CreateNode();
graph.AddNode(node1);
var node2 = transferType.CreateNode();
graph.AddNode(node2);
var node3 = destType.CreateNode();
graph.AddNode(node3);
var connection1 = graph.Connect(sourceType.Out.FromNode(node1), transferType.In.FromNode(node2));
var connection2 = graph.Connect(transferType.Out.FromNode(node2), destType.In.FromNode(node3));
var result = await graph.ExecuteAsync(ExecuteNodeAsync, ExecuteConnectionAsync);
Assert.That(result, Is.Not.Null);
var pv1 = GetPortValue <string>(sourceType.Out, result, node1);
Assert.That(pv1.HasValue, Is.True);
Assert.That(pv1.Value, Is.EqualTo("test"));
var pv2 = GetPortValue <string>(transferType.Out, result, node2);
Assert.That(pv2.HasValue, Is.True);
Assert.That(pv2.Value, Is.EqualTo("test+"));
var cv1 = GetConnectionValue <string>(result, connection1);
Assert.That(cv1.HasValue, Is.True);
Assert.That(cv1.Value, Is.EqualTo("test+"));
var cv2 = GetConnectionValue <string>(result, connection2);
Assert.That(cv2.HasValue, Is.True);
Assert.That(cv2.Value, Is.EqualTo("test++"));
Assert.That(destType.OutValue, Is.EqualTo("test++"));
}
public void Execute_Should_Succeed_CatchException_DuringConnectionActionExecution()
{
var exceptionToCatch = new Exception("some_exception");
var graph = new GraphModel(GraphModelTests.CreateGraphType(new AppendConnection("+")));
var sourceType = new SourceNode("test");
var transferType = new TransferNode();
var node1 = sourceType.CreateNode();
graph.AddNode(node1);
var node2 = transferType.CreateNode();
graph.AddNode(node2);
graph.Connect(sourceType.Out.FromNode(node1), transferType.In.FromNode(node2));
var result = graph.Execute(ExecuteNode, _ => throw exceptionToCatch);
Assert.IsNotEmpty(result.Exceptions);
Assert.That(result.Exceptions, Has.Member(exceptionToCatch));
}