public void MultipleNodesWithAttributes()
{
DotGraph gr = new DotGraph();
var node = new DotNode();
node.Attributes.Add("label", "beta");
gr.Nodes.Add("7cbeb388-085b-4087-9fec-50d7f180e334", node);
node = new DotNode();
node.Attributes.Add("label", "delta");
node.Attributes.Add("pos", "43,67");
node.Attributes.Add("color", "blueishgrey");
gr.Nodes.Add("some id", node);
node = new DotNode();
node.Attributes.Add("label", "theta");
node.Attributes.Add("type", "function-node");
gr.Nodes.Add("other id", node);
string result = DotFileGenerator.Serialize(gr);
Assert.Equal(@"digraph {
""7cbeb388-085b-4087-9fec-50d7f180e334""[""label""=""beta""]
""some id""[""label""=""delta"", ""pos""=""43,67"", ""color""=""blueishgrey""]
""other id""[""label""=""theta"", ""type""=""function-node""]
}", result, ignoreLineEndingDifferences: true, ignoreWhiteSpaceDifferences: true);
}
public void MultipleEdgeOnSameNodes()
{
DotGraph gr = new DotGraph();
gr.Nodes.Add("abc", new DotNode()
{
Attributes = { ["label"] = "beta" }
});
gr.Nodes.Add("some id", new DotNode()
{
Attributes = { ["label"] = "delta" }
});
gr.Nodes.Add("third", new DotNode()
{
Attributes = { ["other label"] = "asd" }
});
gr.Edges.Add(("abc", "some id"), new List <DotEdge> {
new DotEdge(), new DotEdge(), new DotEdge()
});
string result = DotFileGenerator.Serialize(gr);
Assert.Equal(@"digraph {
""abc""[""label""=""beta""]
""some id""[""label""=""delta""]
""third""[""other label""=""asd""]
""abc"" -> ""some id""
""abc"" -> ""some id""
""abc"" -> ""some id""
}", result, ignoreLineEndingDifferences: true, ignoreWhiteSpaceDifferences: true);
}
public string SerializeGraphAsDotString()
{
DotGraph gr = DotGraphConverter.ToDot(GraphArea.ToGraph());
string dot = DotFileGenerator.Serialize(gr);
return(dot);
}
public void SimpleNode()
{
DotGraph gr = new DotGraph();
var node = new DotNode();
gr.Nodes.Add("7cbeb388-085b-4087-9fec-50d7f180e334", node);
string result = DotFileGenerator.Serialize(gr);
Assert.Equal(@"digraph {
""7cbeb388-085b-4087-9fec-50d7f180e334""
}", result, ignoreLineEndingDifferences: true, ignoreWhiteSpaceDifferences: true);
}
public void NodeWithAttribute()
{
DotGraph gr = new DotGraph();
var node = new DotNode();
node.Attributes.Add("label", "beta");
gr.Nodes.Add("7cbeb388-085b-4087-9fec-50d7f180e334", node);
string result = DotFileGenerator.Serialize(gr);
Assert.Equal(@"digraph {
""7cbeb388-085b-4087-9fec-50d7f180e334""[""label""=""beta""]
}", result, ignoreLineEndingDifferences: true, ignoreWhiteSpaceDifferences: true);
}
public void GraphAttributes()
{
DotGraph gr = new DotGraph();
gr.GraphAttributes.Add("lex parse", "lorem");
gr.Nodes.Add("abc", new DotNode()
{
Attributes = { ["label"] = "beta" }
});
string result = DotFileGenerator.Serialize(gr);
Assert.Equal(@"digraph {
graph [""lex parse""=""lorem""]
""abc""[""label""=""beta""]
}", result, ignoreLineEndingDifferences: true, ignoreWhiteSpaceDifferences: true);
}
public static DotGraph LayoutNodes(DotGraph dg)
{
// call graphviz dot to layout the nodes
string dotFile = DotFileGenerator.Serialize(dg);
string resultDot = "";
string errorOutput = "";
using (Process proc = new Process())
{
// TODO: We will need to give a full path to the dot.exe, for now it should be in the path
proc.StartInfo.FileName = "dot.exe";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardInput = true;
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.RedirectStandardError = true;
proc.OutputDataReceived += new DataReceivedEventHandler((sender, e) =>
{
resultDot += e.Data;
});
proc.ErrorDataReceived += new DataReceivedEventHandler((sender, e) =>
{
errorOutput += e.Data;
});
proc.Start();
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();
proc.StandardInput.Write(dotFile + "\n");
while (!resultDot.TrimEnd().EndsWith("}"))
{
System.Threading.Thread.Sleep(10);
}
proc.Kill();
}
if (errorOutput != "")
{
Debug.WriteLine(errorOutput);
}
return(DotLoader.Load(resultDot));
}
