private void TestUpdate(IInMemoryQueryableStore store, IGraph expected, String update)
{
SparqlUpdateCommandSet cmds = this._updateParser.ParseFromString(update);
LeviathanUpdateProcessor processor = new LeviathanUpdateProcessor(store);
processor.ProcessCommandSet(cmds);
Assert.IsTrue(store.HasGraph(null), "Store should have a default unnamed Graph");
IGraph result = store.Graph(null);
NTriplesFormatter formatter = new NTriplesFormatter();
Console.WriteLine("Result Data");
foreach (Triple t in result.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Expected Data");
foreach (Triple t in expected.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Assert.AreEqual(expected, result, "Graphs should be equal");
}
public void ParsingRdfXmlEmptyStrings()
{
NTriplesFormatter formatter = new NTriplesFormatter();
RdfXmlParser domParser = new RdfXmlParser(RdfXmlParserMode.DOM);
Graph g = new Graph();
domParser.Load(g, "empty-string-rdfxml.rdf");
Console.WriteLine("DOM Parser parsed OK");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
RdfXmlParser streamingParser = new RdfXmlParser(RdfXmlParserMode.Streaming);
Graph h = new Graph();
streamingParser.Load(h, "empty-string-rdfxml.rdf");
Console.WriteLine("Streaming Parser parsed OK");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.AreEqual(g, h, "Graphs should be equal");
}
public void ServiceDescriptionOptionsRequestOnSparqlServer2()
{
Console.WriteLine("Making an OPTIONS request to the web demos SPARQL Server at http://localhost/demos/server/some/long/path/elsewhere");
Console.WriteLine("This Test tries to ensure that the URI resolution works correctly");
Console.WriteLine();
NTriplesFormatter formatter = new NTriplesFormatter();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://localhost/demos/server/some/long/path/elsewhere");
request.Method = "OPTIONS";
request.Accept = MimeTypesHelper.HttpAcceptHeader;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
IRdfReader parser = MimeTypesHelper.GetParser(response.ContentType);
Graph g = new Graph();
parser.Load(g, new StreamReader(response.GetResponseStream()));
TestTools.ShowGraph(g);
Assert.IsFalse(g.IsEmpty, "A non-empty Service Description Graph should have been returned");
response.Close();
}
}
private void TestConstruct(IInMemoryQueryableStore store, IGraph expected, String query)
{
SparqlQuery q = this._parser.ParseFromString(query);
LeviathanQueryProcessor processor = new LeviathanQueryProcessor(store);
Object results = processor.ProcessQuery(q);
if (results is IGraph)
{
IGraph result = (IGraph)results;
NTriplesFormatter formatter = new NTriplesFormatter();
Console.WriteLine("Result Data");
foreach (Triple t in result.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Expected Data");
foreach (Triple t in expected.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Assert.AreEqual(expected, result, "Graphs should be equal");
}
else
{
Assert.Fail("Did not get a Graph as expected");
}
}
public void WritingSerializeOwnOneOfVeryLarge()
{
try
{
//Create the Graph for the Test and Generate a List of URIs
Graph g = new Graph();
List<IUriNode> nodes = new List<IUriNode>();
for (int i = 1; i <= 10000; i++)
{
nodes.Add(g.CreateUriNode(new Uri("http://example.org/Class" + i)));
}
//Use the thingOneOf to generate the Triples
thingOneOf(g, nodes.ToArray());
//Dump as NTriples to the Console
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
//Now try to save as RDF/XML
IRdfWriter writer = new RdfXmlWriter();
writer.Save(g, "owl-one-of.rdf");
Console.WriteLine("Saved OK using RdfXmlWriter");
Console.WriteLine();
writer = new FastRdfXmlWriter();
((ICompressingWriter)writer).CompressionLevel = WriterCompressionLevel.Medium;
writer.Save(g, "owl-one-of-fast.rdf");
Console.WriteLine("Saved OK using FastRdfXmlWriter");
Console.WriteLine();
//Now check that the Graphs are all equivalent
Graph h = new Graph();
FileLoader.Load(h, "owl-one-of.rdf");
Assert.AreEqual(g, h, "Graphs should be equal (RdfXmlWriter)");
Console.WriteLine("RdfXmlWriter serialization was OK");
Console.WriteLine();
Graph j = new Graph();
FileLoader.Load(j, "owl-one-of-fast.rdf");
Assert.AreEqual(g, j, "Graphs should be equal (FastRdfXmlWriter)");
Console.WriteLine("FastRdfXmlWriter serialization was OK");
}
catch (StackOverflowException ex)
{
TestTools.ReportError("Stack Overflow", ex, true);
}
}
public void ParsingGraphHandlerImplicitTurtle()
{
Graph g = new Graph();
EmbeddedResourceLoader.Load(g, "VDS.RDF.Configuration.configuration.ttl");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.IsFalse(g.IsEmpty, "Graph should not be empty");
Assert.IsTrue(g.NamespaceMap.HasNamespace("dnr"), "Graph should have the dnr: Namespace");
}
public void StorageStardogLoadNamedGraph()
{
StardogConnector stardog = this.GetConnection();
Graph g = new Graph();
stardog.LoadGraph(g, new Uri("http://example.org/graph"));
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.IsFalse(g.IsEmpty);
}
public void StorageStardogLoadDefaultGraph()
{
StardogConnector stardog = this.GetConnection();
Graph g = new Graph();
stardog.LoadGraph(g, (Uri)null);
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.IsFalse(g.IsEmpty);
}
public void ParsingResultSetHandlerImplicitSparqlRdfNTriples()
{
this.EnsureTestData("test.sparql.nt", new SparqlRdfWriter(new NTriplesWriter()));
SparqlRdfParser parser = new SparqlRdfParser(new NTriplesParser());
SparqlResultSet results = new SparqlResultSet();
parser.Load(results, "test.sparql.nt");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (SparqlResult r in results)
{
Console.WriteLine(r.ToString(formatter));
}
Assert.IsFalse(results.IsEmpty, "Result Set should not be empty");
Assert.AreEqual(SparqlResultsType.VariableBindings, results.ResultsType, "Results Type should be VariableBindings");
}
public void ParsingGraphHandlerImplicitBaseUriPropogation()
{
try
{
Options.UriLoaderCaching = false;
Graph g = new Graph();
UriLoader.Load(g, new Uri("http://wiki.rkbexplorer.com/id/void"));
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
}
finally
{
Options.UriLoaderCaching = true;
}
}
public void ParsingUsingPagingHandler(String tempFile, IRdfReader parser)
{
Graph g = new Graph();
EmbeddedResourceLoader.Load(g, "VDS.RDF.Configuration.configuration.ttl");
g.SaveToFile(tempFile);
Graph h = new Graph();
PagingHandler handler = new PagingHandler(new GraphHandler(h), 25);
parser.Load(handler, tempFile);
h.Retract(h.Triples.Where(t => !t.IsGroundTriple));
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Assert.IsFalse(h.IsEmpty, "Graph should not be empty");
Assert.IsTrue(h.Triples.Count <= 25, "Graphs should have <= 25 Triples");
Graph i = new Graph();
handler = new PagingHandler(new GraphHandler(i), 25, 25);
parser.Load(handler, tempFile);
i.Retract(i.Triples.Where(t => !t.IsGroundTriple));
foreach (Triple t in i.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Assert.IsFalse(i.IsEmpty, "Graph should not be empty");
Assert.IsTrue(i.Triples.Count <= 25, "Graphs should have <= 25 Triples");
GraphDiffReport report = h.Difference(i);
Assert.IsFalse(report.AreEqual, "Graphs should not be equal");
Assert.AreEqual(i.Triples.Count, report.AddedTriples.Count(), "Should be " + i.Triples.Count + " added Triples");
Assert.AreEqual(h.Triples.Count, report.RemovedTriples.Count(), "Should be " + h.Triples.Count + " removed Triples");
}
public void ServiceDescriptionOptionsRequestOnQueryHandler()
{
Console.WriteLine("Making an OPTIONS request to the web demos Query Handler at http://localhost/demos/leviathan/");
Console.WriteLine();
NTriplesFormatter formatter = new NTriplesFormatter();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://localhost/demos/leviathan/");
request.Method = "OPTIONS";
request.Accept = MimeTypesHelper.HttpAcceptHeader;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
IRdfReader parser = MimeTypesHelper.GetParser(response.ContentType);
Graph g = new Graph();
parser.Load(g, new StreamReader(response.GetResponseStream()));
TestTools.ShowGraph(g);
Assert.IsFalse(g.IsEmpty, "A non-empty Service Description Graph should have been returned");
response.Close();
}
}
public static void ShowDifferences(GraphDiffReport report)
{
NTriplesFormatter formatter = new NTriplesFormatter();
if (report.AreEqual)
{
Console.WriteLine("Graphs are Equal");
Console.WriteLine();
Console.WriteLine("Blank Node Mapping between Graphs:");
foreach (KeyValuePair<INode, INode> kvp in report.Mapping)
{
Console.WriteLine(kvp.Key.ToString(formatter) + " => " + kvp.Value.ToString(formatter));
}
}
else
{
Console.WriteLine("Graphs are non-equal");
Console.WriteLine();
Console.WriteLine("Triples added to 1st Graph to give 2nd Graph:");
foreach (Triple t in report.AddedTriples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Triples removed from 1st Graph to given 2nd Graph:");
foreach (Triple t in report.RemovedTriples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Blank Node Mapping between Graphs:");
foreach (KeyValuePair<INode, INode> kvp in report.Mapping)
{
Console.WriteLine(kvp.Key.ToString(formatter) + " => " + kvp.Value.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("MSGs added to 1st Graph to give 2nd Graph:");
foreach (IGraph msg in report.AddedMSGs)
{
foreach (Triple t in msg.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine("MSGs removed from 1st Graph to give 2nd Graph:");
foreach (IGraph msg in report.RemovedMSGs)
{
foreach (Triple t in msg.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
}
}
}
public static void ShowGraph(IGraph g)
{
Console.Write("Graph URI: ");
if (g.BaseUri != null)
{
Console.WriteLine(g.BaseUri.ToString());
}
else
{
Console.WriteLine("NULL");
}
Console.WriteLine(g.Triples.Count + " Triples");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
}
public void StorageVirtuosoSaveGraph()
{
NTriplesFormatter formatter = new NTriplesFormatter();
try
{
VirtuosoManager manager = new VirtuosoManager("DB", VirtuosoTestUsername, VirtuosoTestPassword);
Assert.IsNotNull(manager);
Console.WriteLine("Got the Virtuoso Manager OK");
//Load in our Test Graph
TurtleParser ttlparser = new TurtleParser();
Graph g = new Graph();
ttlparser.Load(g, "Turtle.ttl");
Console.WriteLine();
Console.WriteLine("Loaded Test Graph OK");
Console.WriteLine("Test Graph contains:");
Assert.IsFalse(g.IsEmpty, "Test Graph should be non-empty");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
//Try to save to Virtuoso
manager.SaveGraph(g);
Console.WriteLine("Saved OK");
Console.WriteLine();
//Try to retrieve
Graph h = new Graph();
manager.LoadGraph(h, "http://example.org");
Assert.IsFalse(h.IsEmpty, "Retrieved Graph should be non-empty");
Console.WriteLine("Retrieved the Graph from Virtuoso OK");
Console.WriteLine("Retrieved Graph contains:");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.AreEqual(g.Triples.Count, h.Triples.Count, "Graph should have same number of Triples before and after saving");
GraphDiffReport diff = h.Difference(g);
Console.WriteLine();
if (!diff.AreEqual)
{
Console.WriteLine("Some Differences in Graphs detected (should only be due to Virtuoso not running xsd:boolean as true/false");
Console.WriteLine();
TestTools.ShowDifferences(diff);
IUriNode allowedDiffSubject = g.CreateUriNode(":four");
IUriNode allowedDiffSubject2 = g.CreateUriNode(":six");
Assert.IsTrue(diff.RemovedTriples.All(t => t.Subject.Equals(allowedDiffSubject2) || (t.Subject.Equals(allowedDiffSubject) && (t.Object.ToString().Equals("true^^" + XmlSpecsHelper.XmlSchemaDataTypeBoolean) || t.Object.ToString().Equals("false^^" + XmlSpecsHelper.XmlSchemaDataTypeBoolean)))), "Removed Triples should only be those with subject :four and boolean object");
Assert.IsTrue(diff.AddedTriples.All(t => t.Subject.Equals(allowedDiffSubject2) || (t.Subject.Equals(allowedDiffSubject) && (t.Object.ToString().Equals("1") || t.Object.ToString().Equals("0")))), "Added Triples should only be those with subject :four and 1/0 in place of boolean object");
}
else
{
Console.WriteLine("Graphs are equal");
}
}
catch (VirtuosoException virtEx)
{
TestTools.ReportError("Virtuoso Error", virtEx, true);
}
catch (Exception ex)
{
TestTools.ReportError("Other Error", ex, true);
}
}
private static void CheckQueryResult(Object results, bool expectResultSet)
{
NTriplesFormatter formatter = new NTriplesFormatter();
if (results == null)
{
Assert.Fail("Got a Null Result from a Query");
}
else if (results is SparqlResultSet)
{
if (expectResultSet)
{
Console.WriteLine("Got a SPARQLResultSet as expected");
SparqlResultSet rset = (SparqlResultSet)results;
Console.WriteLine("Result = " + rset.Result);
foreach (SparqlResult r in rset)
{
Console.WriteLine(r.ToString(formatter));
}
Console.WriteLine();
}
else
{
Assert.Fail("Expected a SPARQLResultSet but got a '" + results.GetType().ToString() + "'");
}
}
else if (results is Graph)
{
if (!expectResultSet)
{
Console.WriteLine("Got a Graph as expected");
Graph g = (Graph)results;
Console.WriteLine(g.Triples.Count + " Triples");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
}
else
{
Assert.Fail("Expected a Graph but got a '" + results.GetType().ToString() + "'");
}
}
}
public void StorageVirtuosoNativeQuery()
{
NTriplesFormatter formatter = new NTriplesFormatter();
try
{
VirtuosoManager manager = new VirtuosoManager("DB", VirtuosoTestUsername, VirtuosoTestPassword);
Assert.IsNotNull(manager);
Console.WriteLine("Got the Virtuoso Manager OK");
Object result = null;
Console.WriteLine("ASKing if there's any Triples");
//Try an ASK query
result = manager.Query("ASK {?s ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("CONSTRUCTing a Graph");
//Try a CONSTRUCT
result = manager.Query("CONSTRUCT {?s ?p ?o} FROM <http://example.org/> WHERE {?s ?p ?o}");
CheckQueryResult(result, false);
Console.WriteLine("SELECTing the same Graph");
//Try a SELECT query
result = manager.Query("SELECT * FROM <http://example.org/> WHERE {?s ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("SELECTing the same Graph using Project Expressions");
//Try a SELECT query
result = manager.Query("SELECT (?s AS ?Subject) (?P as ?Predicate) (?o AS ?Object) FROM <http://example.org/> WHERE {?s ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("Now we'll delete a Triple");
//Try a DELETE DATA
result = manager.Query("DELETE DATA FROM <http://example.org/> { <http://example.org/seven> <http://example.org/property> \"extra triple\".}");
CheckQueryResult(result, true);
Console.WriteLine("Triple with subject <http://example.org/seven> should be missing - ASKing for it...");
//Try a SELECT query
result = manager.Query("ASK FROM <http://example.org/> WHERE {<http://example.org/seven> ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("Now we'll add the Triple back again");
//Try a INSERT DATA
result = manager.Query("INSERT DATA INTO <http://example.org/> { <http://example.org/seven> <http://example.org/property> \"extra triple\".}");
CheckQueryResult(result, true);
Console.WriteLine("Triple with subject <http://example.org/seven> should be restored - ASKing for it again...");
//Try a SELECT query
result = manager.Query("ASK FROM <http://example.org/> WHERE {<http://example.org/seven> ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("DESCRIBE things which are classes");
//Try a DESCRIBE
result = manager.Query("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> DESCRIBE ?s WHERE {?s a rdfs:Class} LIMIT 1");
CheckQueryResult(result, false);
Console.WriteLine("Another CONSTRUCT");
//Try a CONSTRUCT
result = manager.Query("CONSTRUCT {?s ?p ?o} FROM <http://example.org/> WHERE {?s ?p ?o}");
CheckQueryResult(result, false);
Console.WriteLine("COUNT subjects");
//Try a SELECT using an aggregate function
result = manager.Query("SELECT COUNT(?s) FROM <http://example.org/> WHERE {?s ?p ?o}");
CheckQueryResult(result, true);
Console.WriteLine("AVG integer objects");
//Try another SELECT using an aggregate function
result = manager.Query("SELECT AVG(?o) FROM <http://example.org/> WHERE {?s ?p ?o. FILTER(DATATYPE(?o) = <http://www.w3.org/2001/XMLSchema#integer>)}");
CheckQueryResult(result, true);
Console.WriteLine("AVG decimal objects");
//Try yet another SELECT using an aggregate function
result = manager.Query("SELECT AVG(?o) FROM <http://example.org/> WHERE {?s ?p ?o. FILTER(DATATYPE(?o) = <http://www.w3c.org/2001/XMLSchema#decimal>)}");
CheckQueryResult(result, true);
}
catch (RdfQueryException queryEx)
{
TestTools.ReportError("RDF Query Error", queryEx, true);
}
catch (VirtuosoException virtEx)
{
TestTools.ReportError("Virtuoso Error", virtEx, true);
}
catch (Exception ex)
{
TestTools.ReportError("Other Error", ex, true);
}
}
public void StorageVirtuosoLoadGraph()
{
NTriplesFormatter formatter = new NTriplesFormatter();
try
{
VirtuosoManager manager = new VirtuosoManager("DB", VirtuosoTestUsername, VirtuosoTestPassword);
Assert.IsNotNull(manager);
Console.WriteLine("Got the Virtuoso Manager OK");
//Add the Test Date to Virtuoso
Graph testData = new Graph();
FileLoader.Load(testData, "MergePart1.ttl");
testData.BaseUri = new Uri("http://localhost/VirtuosoTest");
manager.SaveGraph(testData);
testData = new Graph();
FileLoader.Load(testData, "Turtle.ttl");
testData.BaseUri = new Uri("http://localhost/TurtleImportTest");
manager.SaveGraph(testData);
Console.WriteLine("Saved the Test Data to Virtuoso");
//Try loading it back again
Graph g = new Graph();
manager.LoadGraph(g, "http://localhost/VirtuosoTest");
Console.WriteLine("Load Operation completed without errors");
Assert.AreNotEqual(0, g.Triples.Count);
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Loading a larger Graph");
Graph h = new Graph();
manager.LoadGraph(h, "http://localhost/TurtleImportTest");
Console.WriteLine("Load operation completed without errors");
Assert.AreNotEqual(0, h.Triples.Count);
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
Console.WriteLine("Loading same Graph again to ensure loading is repeatable");
Graph i = new Graph();
manager.LoadGraph(i, "http://localhost/TurtleImportTest");
Console.WriteLine("Load operation completed without errors");
Assert.AreEqual(h.Triples.Count, i.Triples.Count);
Assert.AreEqual(h, i);
}
catch (VirtuosoException virtEx)
{
TestTools.ReportError("Virtuoso Error", virtEx, true);
}
catch (Exception ex)
{
TestTools.ReportError("Other Error", ex, true);
}
}
public void WritingCollectionCompressionComplex2()
{
Graph g = new Graph();
g.LoadFromFile("complex-collections.nt");
CompressingTurtleWriterContext context = new CompressingTurtleWriterContext(g, Console.Out);
WriterHelper.FindCollections(context);
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (KeyValuePair<INode, OutputRdfCollection> kvp in context.Collections)
{
Console.WriteLine("Collection Root - " + kvp.Key.ToString(formatter));
Console.WriteLine("Collection Triples (" + kvp.Value.Triples.Count + ")");
foreach (Triple t in kvp.Value.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
}
this.CheckCompressionRoundTrip(g);
}
public void ParsingGraphHandlerImplicitMerging()
{
Graph g = new Graph();
EmbeddedResourceLoader.Load(g, "VDS.RDF.Configuration.configuration.ttl");
g.SaveToFile("temp.ttl");
Graph h = new Graph();
TurtleParser parser = new TurtleParser();
parser.Load(h, "temp.ttl");
Assert.IsFalse(g.IsEmpty, "Graph should not be empty");
Assert.IsTrue(g.NamespaceMap.HasNamespace("dnr"), "Graph should have the dnr: Namespace");
Assert.IsFalse(h.IsEmpty, "Graph should not be empty");
Assert.IsTrue(h.NamespaceMap.HasNamespace("dnr"), "Graph should have the dnr: Namespace");
Assert.AreEqual(g, h, "Graphs should be equal");
parser.Load(h, "temp.ttl");
Assert.AreEqual(g.Triples.Count + 2, h.Triples.Count, "Triples count should now be 2 higher due to the merge which will have replicated the 2 triples containing Blank Nodes");
Assert.AreNotEqual(g, h, "Graphs should no longer be equal");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in h.Triples.Where(x => !x.IsGroundTriple))
{
Console.WriteLine(t.ToString(formatter));
}
}
public void ParsingUsingGraphHandlerExplicitTest(String tempFile, IRdfReader parser, bool nsCheck)
{
Graph g = new Graph();
EmbeddedResourceLoader.Load(g, "VDS.RDF.Configuration.configuration.ttl");
g.SaveToFile(tempFile);
Graph h = new Graph();
GraphHandler handler = new GraphHandler(h);
parser.Load(handler, tempFile);
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.IsFalse(g.IsEmpty, "Graph should not be empty");
Assert.IsTrue(g.NamespaceMap.HasNamespace("dnr"), "Graph should have the dnr: Namespace");
Assert.IsFalse(h.IsEmpty, "Graph should not be empty");
if (nsCheck) Assert.IsTrue(h.NamespaceMap.HasNamespace("dnr"), "Graph should have the dnr: Namespace");
Assert.AreEqual(g, h, "Graphs should be equal");
}
public void SimpleExample()
{
Graph g = new Graph();
g.LoadFromFile("example.rdf");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (Triple t in g.Triples)
{
if (t.Subject.NodeType == NodeType.Blank)
{
Console.WriteLine(t.ToString(formatter));
}
}
}
public void WritingCollectionCompressionNamedListNodes3()
{
Graph g = new Graph();
INode data1 = g.CreateBlankNode();
g.Assert(data1, g.CreateUriNode(new Uri("http://property")), g.CreateLiteralNode("test1"));
INode data2 = g.CreateBlankNode();
g.Assert(data2, g.CreateUriNode(new Uri("http://property")), g.CreateLiteralNode("test2"));
INode listEntry1 = g.CreateUriNode(new Uri("http://test/1"));
INode rdfFirst = g.CreateUriNode(new Uri(RdfSpecsHelper.RdfListFirst));
INode rdfRest = g.CreateUriNode(new Uri(RdfSpecsHelper.RdfListRest));
INode rdfNil = g.CreateUriNode(new Uri(RdfSpecsHelper.RdfListNil));
g.Assert(listEntry1, rdfFirst, data1);
g.Assert(listEntry1, rdfRest, rdfNil);
INode listEntry2 = g.CreateUriNode(new Uri("http://test/2"));
g.Assert(listEntry2, rdfFirst, data2);
g.Assert(listEntry2, rdfRest, listEntry1);
INode root = g.CreateUriNode(new Uri("http://root"));
g.Assert(root, g.CreateUriNode(new Uri("http://list")), listEntry2);
NTriplesFormatter formatter = new NTriplesFormatter();
Console.WriteLine("Original Graph");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Console.WriteLine();
CompressingTurtleWriterContext context = new CompressingTurtleWriterContext(g, Console.Out);
WriterHelper.FindCollections(context);
Console.WriteLine(context.Collections.Count + " Collections Found");
Console.WriteLine();
System.IO.StringWriter strWriter = new System.IO.StringWriter();
CompressingTurtleWriter writer = new CompressingTurtleWriter();
writer.CompressionLevel = WriterCompressionLevel.High;
writer.Save(g, strWriter);
Console.WriteLine("Compressed Turtle");
Console.WriteLine(strWriter.ToString());
Console.WriteLine();
Graph h = new Graph();
TurtleParser parser = new TurtleParser();
StringParser.Parse(h, strWriter.ToString());
Console.WriteLine("Graph after Round Trip to Compressed Turtle");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
Assert.AreEqual(g, h, "Graphs should be equal");
}
public void StorageVirtuosoDataTypes()
{
VirtuosoManager manager = new VirtuosoManager("DB", VirtuosoTestUsername, VirtuosoTestPassword);
Assert.IsNotNull(manager);
NTriplesFormatter formatter = new NTriplesFormatter();
//Try to retrieve
Graph g = new Graph();
manager.LoadGraph(g, "http://localhost/TurtleImportTest");
Assert.IsFalse(g.IsEmpty, "Retrieved Graph should be non-empty");
Console.WriteLine("Retrieved the Graph from Virtuoso OK");
Console.WriteLine("Retrieved Graph contains:");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString(formatter));
}
}
