public void StorageAllegroGraphDeleteGraph2()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = null;
agraph.DeleteGraph(graphUri);
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = graphUri;
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
agraph.DeleteGraph(graphUri);
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.True(h.IsEmpty, "Graph should be equal after deletion");
Assert.NotEqual(g, h);
}
public void StorageAllegroGraphDeleteTriples()
{
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Console.WriteLine("Graph before deletion");
TestTools.ShowGraph(g);
//Delete all Triples about the Ford Fiesta
agraph.UpdateGraph(g.BaseUri, null, g.GetTriplesWithSubject(new Uri("http://example.org/vehicles/FordFiesta")));
Graph h = new Graph();
agraph.LoadGraph(h, g.BaseUri);
Console.WriteLine("Graph after deletion");
TestTools.ShowGraph(h);
Assert.False(h.IsEmpty, "Graph should not be completely empty");
Assert.True(g.HasSubGraph(h), "Graph retrieved with missing Triples should be a sub-graph of the original Graph");
Assert.False(g.Equals(h), "Graph retrieved should not be equal to original Graph");
Object results = agraph.Query("ASK WHERE { GRAPH <http://example.org/AllegroGraphTest> { <http://example.org/vehicles/FordFiesta> ?p ?o } }");
if (results is SparqlResultSet)
{
Assert.False(((SparqlResultSet)results).Result, "There should no longer be any triples about the Ford Fiesta present");
}
}
public void StorageAllegroGraphDeleteGraph1()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = new Uri("http://example.org/AllegroGraph/delete");
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = graphUri;
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.IsFalse(h.IsEmpty, "Graph should not be empty after loading");
Assert.AreEqual(g, h, "Graphs should have been equal");
agraph.DeleteGraph(graphUri);
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.IsTrue(h.IsEmpty, "Graph should be equal after deletion");
Assert.AreNotEqual(g, h, "Graphs should not be equal after deletion");
}
public void StorageAllegroGraphSaveEmptyGraph3()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = null;
Console.WriteLine("Deleting any existing graph");
agraph.DeleteGraph(graphUri);
Console.WriteLine("Existing graph deleted");
// First create a non-empty graph
Graph g = new Graph();
g.BaseUri = graphUri;
g.Assert(g.CreateBlankNode(), g.CreateUriNode("rdf:type"), g.CreateUriNode(new Uri("http://example.org/BNode")));
Console.WriteLine("Saving non-empty graph");
agraph.SaveGraph(g);
Console.WriteLine("Non-empty graph saved");
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
// Now attempt to overwrite with an empty graph
g = new Graph();
g.BaseUri = graphUri;
Console.WriteLine("Attempting to save empty graph with same name");
agraph.SaveGraph(g);
Console.WriteLine("Empty graph saved");
h = new Graph();
agraph.LoadGraph(h, graphUri);
// Since saving to default graph does not overwrite the graph we've just retrieved must contain the empty graph as a sub-graph
Assert.True(h.HasSubGraph(g));
}
public void StorageAllegroGraphSaveEmptyGraph2()
{
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
Uri graphUri = new Uri("http://example.org/AllegroGraph/empty2");
Console.WriteLine("Deleting any existing graph");
agraph.DeleteGraph(graphUri);
Console.WriteLine("Existing graph deleted");
// First create a non-empty graph
Graph g = new Graph();
g.BaseUri = graphUri;
g.Assert(g.CreateBlankNode(), g.CreateUriNode("rdf:type"), g.CreateUriNode(new Uri("http://example.org/BNode")));
Console.WriteLine("Saving non-empty graph");
agraph.SaveGraph(g);
Console.WriteLine("Non-empty graph saved");
Graph h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
// Now attempt to save an empty graph as well
g = new Graph();
g.BaseUri = graphUri;
Console.WriteLine("Attempting to save empty graph with same name");
agraph.SaveGraph(g);
Console.WriteLine("Empty graph saved");
h = new Graph();
agraph.LoadGraph(h, graphUri);
Assert.True(h.IsEmpty, "Graph should be empty after loading");
Assert.Equal(g, h);
}
public void StorageAllegroGraphSaveEmptyGraph1()
{
Graph g = new Graph();
g.BaseUri = new Uri("http://example.org/AllegroGraph/empty");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, "http://example.org/AllegroGraph/empty");
Assert.True(h.IsEmpty, "Graph should be empty after loading");
Assert.Equal(g, h);
}
public void StorageAllegroGraphSaveLoad()
{
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = AllegroGraphTests.GetConnection();
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, "http://example.org/AllegroGraphTest");
Assert.False(h.IsEmpty, "Graph should not be empty after loading");
Assert.Equal(g, h);
}
public void StorageAllegroGraphSaveLoad()
{
try
{
Graph g = new Graph();
FileLoader.Load(g, "InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = new AllegroGraphConnector("http://localhost:9875", "test", "unit-test");
agraph.SaveGraph(g);
Graph h = new Graph();
agraph.LoadGraph(h, "http://example.org/AllegroGraphTest");
Assert.IsFalse(h.IsEmpty, "Graph should not be empty after loading");
Assert.AreEqual(g, h, "Graphs should have been equal");
}
catch (Exception ex)
{
TestTools.ReportError("Error", ex, true);
}
}
public void StorageAllegroGraphDeleteTriples()
{
try
{
Graph g = new Graph();
FileLoader.Load(g, "InferenceTest.ttl");
g.BaseUri = new Uri("http://example.org/AllegroGraphTest");
AllegroGraphConnector agraph = new AllegroGraphConnector("http://localhost:9875", "test", "unit-test");
agraph.SaveGraph(g);
Console.WriteLine("Graph before deletion");
TestTools.ShowGraph(g);
//Delete all Triples about the Ford Fiesta
agraph.UpdateGraph(g.BaseUri, null, g.GetTriplesWithSubject(new Uri("http://example.org/vehicles/FordFiesta")));
Graph h = new Graph();
agraph.LoadGraph(h, g.BaseUri);
Console.WriteLine("Graph after deletion");
TestTools.ShowGraph(h);
Assert.IsFalse(h.IsEmpty, "Graph should not be completely empty");
Assert.IsTrue(g.HasSubGraph(h), "Graph retrieved with missing Triples should be a sub-graph of the original Graph");
Assert.IsFalse(g.Equals(h), "Graph retrieved should not be equal to original Graph");
Object results = agraph.Query("ASK WHERE { GRAPH <http://example.org/AllegroGraphTest> { <http://example.org/vehicles/FordFiesta> ?p ?o } }");
if (results is SparqlResultSet)
{
Assert.IsFalse(((SparqlResultSet)results).Result, "There should no longer be any triples about the Ford Fiesta present");
}
}
catch (Exception ex)
{
TestTools.ReportError("Error", ex, true);
}
}
public void SparqlViewNativeAllegroGraph()
{
try
{
AllegroGraphConnector agraph = new AllegroGraphConnector("http://localhost:9875", "test", "unit-test");
NativeTripleStore store = new NativeTripleStore(agraph);
//Load a Graph into the Store to ensure there is some data for the view to retrieve
Graph g = new Graph();
FileLoader.Load(g, "InferenceTest.ttl");
agraph.SaveGraph(g);
//Create the SPARQL View
NativeSparqlView view = new NativeSparqlView("CONSTRUCT { ?s ?p ?o } WHERE { ?s ?p ?o . FILTER(IsLiteral(?o)) }", store);
Console.WriteLine("SPARQL View Populated");
TestTools.ShowGraph(view);
Console.WriteLine();
}
catch (RdfQueryException queryEx)
{
TestTools.ReportError("Query Error", queryEx, true);
}
catch (RdfException ex)
{
TestTools.ReportError("Error", ex, true);
}
}
public static void Main(String[] args)
{
StreamWriter output = new StreamWriter("AllegroGraphTest.txt");
Console.SetOut(output);
try
{
Console.WriteLine("## AllegroGraph Test");
Console.WriteLine();
//Load the Graph we want to use as a Test
Graph g = new Graph();
TurtleParser ttlparser = new TurtleParser();
ttlparser.Load(g, "InferenceTest.ttl");
Console.WriteLine("Test Graph contains the following Triples:");
ShowGraph(g);
Console.WriteLine();
//Load another Graph
Graph h = new Graph();
h.BaseUri = new Uri("http://example.org/test");
Notation3Parser n3parser = new Notation3Parser();
n3parser.Load(h, "test.n3");
Console.WriteLine("Second Test Graph contains the following Triples:");
ShowGraph(h);
Console.WriteLine();
Console.WriteLine("Trying to create a test store in the test catalog");
AllegroGraphConnector agraph = new AllegroGraphConnector("http://localhost:9875/", "test", "test");
Console.WriteLine("Store Created OK");
Console.WriteLine();
Console.WriteLine("Trying to add data to the Store");
agraph.SaveGraph(g);
agraph.SaveGraph(h);
Console.WriteLine("Saved OK");
Console.WriteLine();
Console.WriteLine("Trying to load data from the Store");
Graph i = new Graph();
agraph.LoadGraph(i, String.Empty);
ShowGraph(i);
Console.WriteLine();
i = new Graph();
agraph.LoadGraph(i, new Uri("http://example.org/test"));
ShowGraph(i);
Console.WriteLine("Loaded OK");
Console.WriteLine();
Console.WriteLine("Trying to update data in the Store");
List<Triple> toRemove = g.GetTriplesWithPredicate(g.CreateUriNode("rdf:type")).ToList();
Triple toAdd = new Triple(g.CreateUriNode(new Uri("http://example.org/")), g.CreateUriNode("rdf:type"), g.CreateLiteralNode("Added Triple Test"));
agraph.UpdateGraph(String.Empty, new List<Triple>() { toAdd }, toRemove);
Console.WriteLine("Updated OK");
Console.WriteLine();
Console.WriteLine("Trying a SPARQL ASK query against the store");
Object results = agraph.Query("ASK WHERE {?s ?p ?o}");
Console.WriteLine("Got results OK");
ShowResults(results);
Console.WriteLine();
Console.WriteLine("Trying a SPARQL SELECT query against the store");
results = agraph.Query("SELECT * WHERE {?s ?p ?o}");
Console.WriteLine("Got results OK");
ShowResults(results);
Console.WriteLine();
}
catch (RdfStorageException storeEx)
{
reportError(output, "RDF Storage Error", storeEx);
}
catch (RdfParseException parseEx)
{
reportError(output, "RDF Parsing Error", parseEx);
}
catch (RdfQueryException queryEx)
{
reportError(output, "RDF Query Error", queryEx);
}
catch (RdfException rdfEx)
{
reportError(output, "RDF Error", rdfEx);
}
catch (WebException webEx)
{
reportError(output, "HTTP Error", webEx);
}
catch (Exception ex)
{
reportError(output, "Error", ex);
}
finally
{
output.Close();
}
}