public void DeserializeFromXml_Reader()
{
using (XmlReader reader = XmlReader.Create(GetGraphFilePath(TestGraphFileName)))
{
AdjacencyGraph <string, EquatableEdge <string> > adjacencyGraph = reader.DeserializeFromXml(
"graph",
"node",
"edge",
"",
r => new AdjacencyGraph <string, EquatableEdge <string> >(),
r => r.GetAttribute("id"),
r => new EquatableEdge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute")));
AssetTestGraphContent(
adjacencyGraph,
(v1, v2, weight) => new EquatableEdge <string>(v1, v2));
}
using (XmlReader reader = XmlReader.Create(GetGraphFilePath(TestGraphFileName)))
{
BidirectionalGraph <string, EquatableEdge <string> > bidirectionalGraph = reader.DeserializeFromXml(
"graph",
"node",
"edge",
"",
r => new BidirectionalGraph <string, EquatableEdge <string> >(),
r => r.GetAttribute("id"),
r => new EquatableEdge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute")));
AssetTestGraphContent(
bidirectionalGraph,
(v1, v2, weight) => new EquatableEdge <string>(v1, v2));
}
using (XmlReader reader = XmlReader.Create(GetGraphFilePath(TestGraphFileName)))
{
UndirectedGraph <string, EquatableTaggedEdge <string, double> > undirectedGraph = reader.DeserializeFromXml(
"graph",
"node",
"edge",
"",
r => new UndirectedGraph <string, EquatableTaggedEdge <string, double> >(),
r => r.GetAttribute("id"),
r => new EquatableTaggedEdge <string, double>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"),
int.Parse(
r.GetAttribute("weight") ?? throw new AssertionException("Must have weight attribute"))));
AssetTestGraphContent(
undirectedGraph,
(v1, v2, weight) => new EquatableTaggedEdge <string, double>(v1, v2, weight));
}
}
public void DeserializeFromXml_Reader_Throws()
{
// ReSharper disable ReturnValueOfPureMethodIsNotUsed
// ReSharper disable AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(
() => ((XmlReader)null).DeserializeFromXml(
"graph",
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
using (XmlReader reader = XmlReader.Create(GetGraphFilePath(TestGraphFileName)))
{
Assert.Throws <ArgumentNullException>(() => reader.DeserializeFromXml <string, Edge <string>, AdjacencyGraph <string, Edge <string> > >(
"graph",
"node",
"edge",
"",
null,
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentNullException>(() => reader.DeserializeFromXml <string, Edge <string>, AdjacencyGraph <string, Edge <string> > >(
"graph",
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
null,
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentNullException>(() => reader.DeserializeFromXml <string, Edge <string>, AdjacencyGraph <string, Edge <string> > >(
"graph",
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
null));
Assert.Throws <ArgumentNullException>(
() => reader.DeserializeFromXml(
null,
r => r.Name == "vertex",
r => r.Name == "edge",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentNullException>(
() => reader.DeserializeFromXml(
r => r.Name == "graph",
null,
r => r.Name == "edge",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentNullException>(
() => reader.DeserializeFromXml(
r => r.Name == "graph",
r => r.Name == "vertex",
null,
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
null,
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
"",
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
"graph",
null,
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
"graph",
"",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
"graph",
"node",
null,
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentException>(() => reader.DeserializeFromXml(
"graph",
"node",
"",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
Assert.Throws <ArgumentNullException>(() => reader.DeserializeFromXml(
"graph",
"node",
"edge",
null,
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
// No graph node found
Assert.Throws <InvalidOperationException>(() => reader.DeserializeFromXml(
"g", // No node named "g" for the graph
"node",
"edge",
"",
r => new AdjacencyGraph <string, Edge <string> >(),
r => r.GetAttribute("id"),
r => new Edge <string>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"))));
}
// ReSharper restore AssignNullToNotNullAttribute
// ReSharper restore ReturnValueOfPureMethodIsNotUsed
}
public void DeserializeFromXml()
{
XPathDocument document = new XPathDocument(GetGraphFilePath("repro12273.xml"));
UndirectedGraph <string, TaggedEdge <string, double> > undirectedGraph = document.DeserializeFromXml(
"graph",
"node",
"edge",
nav => new UndirectedGraph <string, TaggedEdge <string, double> >(),
nav => nav.GetAttribute("id", ""),
nav => new TaggedEdge <string, double>(
nav.GetAttribute("source", ""),
nav.GetAttribute("target", ""),
int.Parse(nav.GetAttribute("weight", ""))));
using (XmlReader reader = XmlReader.Create(GetGraphFilePath("repro12273.xml")))
{
UndirectedGraph <string, TaggedEdge <string, double> > undirectedGraph2 = reader.DeserializeFromXml(
"graph",
"node",
"edge",
"",
r => new UndirectedGraph <string, TaggedEdge <string, double> >(),
r => r.GetAttribute("id"),
r => new TaggedEdge <string, double>(
r.GetAttribute("source") ?? throw new AssertionException("Must have source attribute"),
r.GetAttribute("target") ?? throw new AssertionException("Must have target attribute"),
int.Parse(r.GetAttribute("weight") ?? throw new AssertionException("Must have weight attribute"))));
Assert.AreEqual(undirectedGraph.VertexCount, undirectedGraph2.VertexCount);
Assert.AreEqual(undirectedGraph.EdgeCount, undirectedGraph2.EdgeCount);
}
}