public void Convert_WithGraphNode_ReturnPointedTreeElementVertex(GraphNodeShape graphNodeShape,
PointedTreeVertexType expectedVertexType)
{
// Setup
var random = new Random(21);
const string content = "<text>Node</text>";
bool isSelectable = random.NextBoolean();
int lineWidth = random.Next();
Color fillColor = Color.Aquamarine;
Color lineColor = Color.Coral;
var graphNode = new GraphNode(content, new GraphNode[0], isSelectable,
new GraphNodeStyle(graphNodeShape, fillColor,
lineColor, lineWidth));
// Call
PointedTreeElementVertex vertex = GraphNodeConverter.Convert(graphNode);
// Assert
Assert.AreEqual(content, vertex.Content);
Assert.AreEqual(isSelectable, vertex.IsSelectable);
Assert.AreEqual(expectedVertexType, vertex.Type);
Assert.AreEqual(lineWidth, vertex.LineWidth);
AssertColors(fillColor, vertex.FillColor);
AssertColors(lineColor, vertex.LineColor);
}
public void Convert_GraphNodeNull_ThrowsArgumentNullException()
{
// Call
TestDelegate call = () => GraphNodeConverter.Convert(null);
// Assert
var exception = Assert.Throws <ArgumentNullException>(call);
Assert.AreEqual("graphNode", exception.ParamName);
}
public void Convert_InvalidShapeType_ThrowsInvalidEnumArgumentException()
{
// Setup
const int shapeAsInteger = 99;
var graphNode = new GraphNode("<text>test</text>", new GraphNode[0], false,
new GraphNodeStyle((GraphNodeShape)shapeAsInteger, Color.AliceBlue,
Color.AntiqueWhite, 2));
// Call
TestDelegate test = () => GraphNodeConverter.Convert(graphNode);
// Assert
string message = $"The value of argument 'shape' ({shapeAsInteger}) is invalid for Enum type '{typeof(GraphNodeShape).Name}'.";
TestHelper.AssertThrowsArgumentExceptionAndTestMessage <InvalidEnumArgumentException>(test, message);
}
private void DrawNode(GraphNode node, PointedTreeElementVertex parentVertex = null)
{
PointedTreeElementVertex vertex = GraphNodeConverter.Convert(node);
vertex.PropertyChanged += VertexOnPropertyChanged;
var drawnGraphNode = new DrawnGraphNode
{
GraphNode = node,
Vertex = vertex
};
drawnGraphNodeList.Add(drawnGraphNode);
graph.AddVertex(vertex);
node.ChildNodes.ForEachElementDo(cn => DrawNode(cn, vertex));
if (parentVertex != null)
{
graph.AddEdge(new PointedTreeEdge(parentVertex, vertex));
}
}