public void VisitEdge_edgeWithArrowTail_setsStatementAttributeValueArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Crow;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.AttributeValue(Dot.ArrowTail), Is.EqualTo("crow"));
}
public void VisitEdge_edgeWithArrowTail_setsStatementAttributeArrowTail()
{
var style = new EdgeStyle();
style.ArrowTail = ArrowShape.Box;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.ArrowTail));
}
public void VisitEdge_edgeWithArrowHead_setsStatementAttributeArrowHead()
{
var style = new EdgeStyle();
style.ArrowHead = ArrowShape.Normal;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.ArrowHead));
}
public void VisitEdge_edgeWithColor_setsStatementAttributeColor()
{
var style = new EdgeStyle();
style.Color = Color.SkyBlue;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.Color));
}
public void VisitNode_nodeWithFontcolor_setsStatementAttributeFontColor()
{
var style = new NodeStyle
{
FontColor = Color.Green
};
var renderer = new DotRenderer();
var node = new Node("Name", "Label", style);
var statement = renderer.VisitNode(node);
Assert.That(statement.Attributes, Has.Member(Dot.FontColor));
}
public void RenderGraph_givenFillColor_generatesImage()
{
var colors = new List <Color>
{
Color.Blue,
Color.Red,
Color.Green,
Color.White,
Color.Black,
Color.Aqua,
Color.Yellow,
Color.Magenta,
Color.LightYellow,
Color.SkyBlue,
Color.OldLace,
Color.SteelBlue,
Color.DeepSkyBlue,
Color.Gray,
Color.Cornsilk
};
var nodes = new List <Node>();
var edges = new List <Edge>();
foreach (var fill in colors)
{
Node prior = null;
foreach (var font in colors)
{
Node n = CreateNode(fill, font);
nodes.Add(n);
if (prior != null)
{
Edge e = new Edge(prior, n);
edges.Add(e);
}
prior = n;
}
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(nodes, edges);
var renderer = new DotRenderer(graph);
var image = renderer.RenderImage();
image.Save("NodeFillColor.png");
}
public void RenderGraph_givenArrowShape_generatesImage(
[Values(ArrowShape.Box, ArrowShape.Crow, ArrowShape.Diamond, ArrowShape.Dot, ArrowShape.Inv, ArrowShape.None, ArrowShape.Normal, ArrowShape.Tee, ArrowShape.Vee)]
ArrowShape arrowHead)
{
var edgeStyle = new EdgeStyle();
edgeStyle.ArrowHead = arrowHead;
var startStyles
= new List <ArrowShape>
{
ArrowShape.Box,
ArrowShape.Crow,
ArrowShape.Diamond,
ArrowShape.Dot,
ArrowShape.Inv,
ArrowShape.None,
ArrowShape.Normal,
ArrowShape.Tee,
ArrowShape.Vee
};
var starts = new List <Node>();
var edges = new List <Edge>();
var finish = new Node("finish", "Finish");
foreach (var shape in startStyles)
{
var n = Enum.GetName(typeof(ArrowShape), shape);
var s = new Node(n, n);
edgeStyle.ArrowTail = shape;
var e = new Edge(s, finish, edgeStyle);
starts.Add(s);
edges.Add(e);
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(starts, finish, edges);
var renderer = new DotRenderer(graph);
var head = Enum.GetName(typeof(ArrowShape), arrowHead);
var filename = head + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
public void RenderGraph_givenFillColor_generatesImage()
{
var colors = new List<Color>
{
Color.Blue,
Color.Red,
Color.Green,
Color.White,
Color.Black,
Color.Aqua,
Color.Yellow,
Color.Magenta,
Color.LightYellow,
Color.SkyBlue,
Color.OldLace,
Color.SteelBlue,
Color.DeepSkyBlue,
Color.Gray,
Color.Cornsilk
};
var nodes = new List<Node>();
var edges = new List<Edge>();
foreach (var fill in colors)
{
Node prior = null;
foreach (var font in colors)
{
Node n = CreateNode(fill, font);
nodes.Add(n);
if (prior != null)
{
Edge e = new Edge(prior, n);
edges.Add(e);
}
prior = n;
}
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(nodes, edges);
var renderer = new DotRenderer(graph);
var image = renderer.RenderImage();
image.Save("NodeFillColor.png");
}
public void RenderGraph_givenNodeShape_generatesImage(
[Values(NodeShape.None,
NodeShape.Box,
NodeShape.Circle,
NodeShape.Diamond,
NodeShape.DoubleCircle,
NodeShape.DoubleOctagon,
NodeShape.Egg,
NodeShape.Ellipse,
NodeShape.Hexagon,
NodeShape.House,
NodeShape.InvHouse,
NodeShape.InvTrapezium,
NodeShape.InvTriangle,
NodeShape.MCircle,
NodeShape.MDiamond,
NodeShape.MSquare,
NodeShape.Octagon,
NodeShape.Parallelogram,
NodeShape.Pentagon,
NodeShape.Plaintext,
NodeShape.Point,
NodeShape.Polygon,
NodeShape.Septagon,
NodeShape.Trapezium,
NodeShape.Triangle,
NodeShape.TripleOctagon)]
NodeShape shape)
{
var nodeStyle = new NodeStyle();
nodeStyle.Shape = shape;
var n = Enum.GetName(typeof(NodeShape), shape);
var node = nodeStyle.CreateNode(n, n);
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(node);
var renderer = new DotRenderer(graph);
var filename = n + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
public void RenderGraph_givenArrowShape_generatesImage(
[Values(ArrowShape.Box, ArrowShape.Crow, ArrowShape.Diamond, ArrowShape.Dot, ArrowShape.Inv, ArrowShape.None, ArrowShape.Normal, ArrowShape.Tee, ArrowShape.Vee)]
ArrowShape arrowHead)
{
var edgeStyle = new EdgeStyle();
edgeStyle.ArrowHead = arrowHead;
var startStyles
= new List<ArrowShape>
{
ArrowShape.Box,
ArrowShape.Crow,
ArrowShape.Diamond,
ArrowShape.Dot,
ArrowShape.Inv,
ArrowShape.None,
ArrowShape.Normal,
ArrowShape.Tee,
ArrowShape.Vee
};
var starts = new List<Node>();
var edges = new List<Edge>();
var finish = new Node("finish", "Finish");
foreach (var shape in startStyles)
{
var n = Enum.GetName(typeof(ArrowShape), shape);
var s = new Node(n, n);
edgeStyle.ArrowTail = shape;
var e = new Edge(s, finish, edgeStyle);
starts.Add(s);
edges.Add(e);
}
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(starts, finish, edges);
var renderer = new DotRenderer(graph);
var head = Enum.GetName(typeof(ArrowShape), arrowHead);
var filename = head + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
public void RenderGraph_givenNodeShape_generatesImage(
[Values(NodeShape.None,
NodeShape.Box,
NodeShape.Circle,
NodeShape.Diamond,
NodeShape.DoubleCircle,
NodeShape.DoubleOctagon,
NodeShape.Egg,
NodeShape.Ellipse,
NodeShape.Hexagon,
NodeShape.House,
NodeShape.InvHouse,
NodeShape.InvTrapezium,
NodeShape.InvTriangle,
NodeShape.MCircle,
NodeShape.MDiamond,
NodeShape.MSquare,
NodeShape.Octagon,
NodeShape.Parallelogram,
NodeShape.Pentagon,
NodeShape.Plaintext,
NodeShape.Point,
NodeShape.Polygon,
NodeShape.Septagon,
NodeShape.Trapezium,
NodeShape.Triangle,
NodeShape.TripleOctagon)]
NodeShape shape)
{
var nodeStyle = new NodeStyle();
nodeStyle.Shape = shape;
var n = Enum.GetName(typeof(NodeShape), shape);
var node = nodeStyle.CreateNode(n, n);
var graphFactory = new GraphFactory();
var graph = graphFactory.CreateGraph(node);
var renderer = new DotRenderer(graph);
var filename = n + ".png";
var image = renderer.RenderImage();
image.Save(filename);
}
public void Constructor_suppliedGraph_setsProperty()
{
var graph = CreateGraph();
var renderer = new DotRenderer(graph);
Assert.That(renderer.Graph, Is.EqualTo(graph));
}
public void VisitGraph_withParameters_returnsDotStatement()
{
var renderer = new DotRenderer();
var graph = CreateGraph();
var nodes = new List<IDotStatement>();
var edges = new List<IDotStatement>();
var subGraphs = new List<IDotStatement>();
var statement = renderer.VisitGraph(graph, nodes, edges, subGraphs);
Assert.That(statement, Is.Not.Null);
}
public void VisitNode_missingNode_throwsException()
{
var renderer = new DotRenderer();
renderer.VisitNode(null);
}
public void VisitNode_nodeWithFontcolor_setsStatementAttributeFontColor()
{
var style = new NodeStyle
{
FontColor = Color.Green
};
var renderer = new DotRenderer();
var node = new Node("Name", "Label", style);
var statement = renderer.VisitNode(node);
Assert.That(statement.Attributes, Has.Member(Dot.FontColor));
}
public void VisitEdge_edgeWithColor_setsStatementAttributeColor()
{
var style = new EdgeStyle();
style.Color = Color.SkyBlue;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.Color));
}
public void VisitEdge_edgeWithConstraing_setsStatementAttributeConstraint()
{
var style = new EdgeStyle();
style.Constraining = false;
var edge = CreateEdge("start", "finish", style);
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Attributes, Has.Member(Dot.EdgeConstraint));
}
public void VisitGraph_missingSubGraphs_throwsException()
{
var renderer = new DotRenderer();
var graph = CreateGraph();
var nodes = new List<IDotStatement>();
var edges = new List<IDotStatement>();
renderer.VisitGraph(graph, nodes, edges, null);
}
public void VisitNode_withNode_returnsDotStatement()
{
var renderer = new DotRenderer();
var node = CreateNode();
var statement = renderer.VisitNode(node);
Assert.That(statement, Is.Not.Null);
}
public void VisitNode_withNode_setsStatementAttributeLabel()
{
var renderer = new DotRenderer();
var node = CreateNode();
var statement = renderer.VisitNode(node);
Assert.That(statement.Attributes, Has.Member(Dot.Label));
}
public void Constructor_suppliedGraph_setsImage()
{
var graph = CreateGraph();
var renderer = new DotRenderer(graph);
Assert.That(renderer.RenderImage(), Is.Not.Null);
}
public void VisitNode_withNode_setsStatementText()
{
var renderer = new DotRenderer();
var node = CreateNode();
var statement = renderer.VisitNode(node);
Assert.That(statement.Text, Is.StringContaining(node.Name));
}
public void VisitEdge_missingEdge_throwsException()
{
var renderer = new DotRenderer();
renderer.VisitEdge(null);
}
public void VisitEdge_withEdge_includesStartInText()
{
var edge = CreateEdge("start", "finish");
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement.Text, Is.StringContaining(edge.Start.Name));
}
public void VisitEdge_withEdge_returnsDotStatement()
{
var edge = CreateEdge("start", "finish");
var renderer = new DotRenderer();
var statement = renderer.VisitEdge(edge);
Assert.That(statement, Is.Not.Null);
}
public void VisitGraph_missingGraph_throwsException()
{
var renderer = new DotRenderer();
var nodes = new List<IDotStatement>();
var edges = new List<IDotStatement>();
var subGraphs = new List<IDotStatement>();
renderer.VisitGraph(null, nodes, edges, subGraphs);
}