public void GetNodeByName_Should_Retrieve_Node_By_Name()
{
var tracker = new NodeTracker();
var node1 = new GraphNode("name1");
var node2 = new GraphNode("name2");
tracker.AddNode(node1);
tracker.AddNode(node2);
Assert.AreEqual(tracker.Nodes.Count(), 2);
Assert.AreSame(tracker.GetNodeByName("name1"), node1);
Assert.AreSame(tracker.GetNodeByName("name2"), node2);
}
public void GetNodeByName_With_Invalid_Name_Should_Return_Null() {
var tracker = new NodeTracker();
var node1 = new GraphNode("name1");
tracker.AddNode(node1);
Assert.AreEqual(tracker.Nodes.Count(), 1);
Assert.IsNull(tracker.GetNodeByName("name2"));
}