public static IEnumerable <AdjacencyGraph <string, Edge <string> > > GetAdjacencyGraphs()
{
yield return(new AdjacencyGraph <string, Edge <string> >());
foreach (var graphmlFile in TestGraphFactory.GetFileNames())
{
var g = LoadGraph(graphmlFile);
yield return(g);
}
}
public static IEnumerable <BidirectionalGraph <string, Edge <string> > > GetBidirectionalGraphs()
{
yield return(new BidirectionalGraph <string, Edge <string> >());
foreach (var graphmlFile in TestGraphFactory.GetFileNames())
{
var g = LoadBidirectionalGraph(graphmlFile);
yield return(g);
}
}
public void DeserializeFromGraphMLNorth()
{
foreach (var graphmlFile in TestGraphFactory.GetFileNames())
{
Console.Write(graphmlFile);
var g = new AdjacencyGraph <string, Edge <string> >();
using (var reader = new StreamReader(graphmlFile))
{
g.DeserializeFromGraphML(
reader,
id => id,
(source, target, id) => new Edge <string>(source, target)
);
}
Console.Write(": {0} vertices, {1} edges", g.VertexCount, g.EdgeCount);
var vertices = new Dictionary <string, string>();
foreach (var v in g.Vertices)
{
vertices.Add(v, v);
}
// check all nodes are loaded
var settings = new XmlReaderSettings();
settings.XmlResolver = new GraphMLXmlResolver();
settings.DtdProcessing = DtdProcessing.Ignore;
settings.ValidationFlags = System.Xml.Schema.XmlSchemaValidationFlags.None;
using (var xreader = XmlReader.Create(graphmlFile, settings))
{
var doc = new XPathDocument(xreader);
foreach (XPathNavigator node in doc.CreateNavigator().Select("/graphml/graph/node"))
{
string id = node.GetAttribute("id", "");
Assert.True(vertices.ContainsKey(id));
}
TestConsole.Write(", vertices ok");
// check all edges are loaded
foreach (XPathNavigator node in doc.CreateNavigator().Select("/graphml/graph/edge"))
{
string source = node.GetAttribute("source", "");
string target = node.GetAttribute("target", "");
Assert.True(g.ContainsEdge(vertices[source], vertices[target]));
}
TestConsole.Write(", edges ok");
}
TestConsole.WriteLine();
}
}
