public void StorageSparqlUniformHttpProtocolRemoveTriples()
{
try
{
SetUriLoaderCaching(false);
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
try
{
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
sparql.UpdateGraph("http://example.org/sparqlTest", null, g.Triples);
Assert.Fail("SPARQL Uniform HTTP Protocol does not support removing Triples");
}
catch (RdfStorageException storeEx)
{
Console.WriteLine("Got an error as expected");
TestTools.ReportError("Storage Error", storeEx);
}
catch (NotSupportedException ex)
{
Console.WriteLine("Got a Not Supported error as expected");
TestTools.ReportError("Not Supported", ex);
}
}
finally
{
SetUriLoaderCaching(true);
}
}
public void StorageSparqlUniformHttpProtocolAddTriples()
{
try
{
SetUriLoaderCaching(false);
StorageSparqlUniformHttpProtocolSaveGraph();
Graph g = new Graph();
g.Retract(g.Triples.Where(t => !t.IsGroundTriple));
FileLoader.Load(g, "resources\\InferenceTest.ttl");
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
sparql.UpdateGraph("http://example.org/sparqlTest", g.Triples, null);
Graph h = new Graph();
sparql.LoadGraph(h, "http://example.org/sparqlTest");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(this._formatter));
}
Assert.IsTrue(g.IsSubGraphOf(h), "Retrieved Graph should have the added Triples as a Sub Graph");
}
finally
{
SetUriLoaderCaching(true);
}
}
public void StorageSparqlUniformHttpProtocolDeleteGraph()
{
try
{
SetUriLoaderCaching(false);
StorageSparqlUniformHttpProtocolSaveGraph();
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
sparql.DeleteGraph("http://example.org/sparqlTest");
//Give SPARQL Uniform Protocol time to delete stuff
Thread.Sleep(1000);
try
{
Graph g = new Graph();
sparql.LoadGraph(g, "http://example.org/sparqlTest");
//If we do get here without erroring then the Graph should be empty
Assert.IsTrue(g.IsEmpty, "If the Graph loaded without error then it should have been empty as we deleted it from the store");
}
catch (Exception ex)
{
Console.WriteLine("Errored as expected since the Graph was deleted");
TestTools.ReportError("Error", ex);
}
}
finally
{
SetUriLoaderCaching(true);
}
}
public void StorageSparqlUniformHttpProtocolPostCreateMultiple()
{
SparqlHttpProtocolConnector connector = SparqlGraphStoreProtocolTest.GetConnection();
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
List <Uri> uris = new List <Uri>();
for (int i = 0; i < 10; i++)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(TestConfigManager.GetSetting(TestConfigManager.LocalGraphStoreUri));
request.Method = "POST";
request.ContentType = "application/rdf+xml";
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
RdfXmlWriter rdfxmlwriter = new RdfXmlWriter();
rdfxmlwriter.Save(g, writer);
writer.Close();
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
//Should get a 201 Created response
if (response.StatusCode == HttpStatusCode.Created)
{
if (response.Headers["Location"] == null)
{
Assert.Fail("A Location: Header containing the URI of the newly created Graph should have been returned");
}
Uri graphUri = new Uri(response.Headers["Location"]);
uris.Add(graphUri);
Console.WriteLine("New Graph URI is " + graphUri.ToString());
Console.WriteLine("Now attempting to retrieve this Graph from the Store");
Graph h = new Graph();
connector.LoadGraph(h, graphUri);
Assert.AreEqual(g, h, "Graphs should have been equal");
Console.WriteLine("Graphs were equal as expected");
}
else
{
Assert.Fail("A 201 Created response should have been received but got a " + (int)response.StatusCode + " response");
}
response.Close();
}
Console.WriteLine();
}
Assert.IsTrue(uris.Distinct().Count() == 10, "Should have generated 10 distinct URIs");
}
public void StorageSparqlUniformHttpProtocolSaveGraph()
{
try
{
SetUriLoaderCaching(false);
Graph g = new Graph();
FileLoader.Load(g, "resources\\Turtle.ttl");
g.BaseUri = new Uri("http://example.org/sparqlTest");
//Save Graph to SPARQL Uniform Protocol
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
sparql.SaveGraph(g);
Console.WriteLine("Graph saved to SPARQL Uniform Protocol OK");
//Now retrieve Graph from SPARQL Uniform Protocol
Graph h = new Graph();
sparql.LoadGraph(h, "http://example.org/sparqlTest");
Console.WriteLine();
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(this._formatter));
}
GraphDiffReport diff = g.Difference(h);
if (!diff.AreEqual)
{
Console.WriteLine();
Console.WriteLine("Graphs are different - should be 1 difference due to New Line Normalization");
Console.WriteLine("Added Triples");
foreach (Triple t in diff.AddedTriples)
{
Console.WriteLine(t.ToString(this._formatter));
}
Console.WriteLine("Removed Triples");
foreach (Triple t in diff.RemovedTriples)
{
Console.WriteLine(t.ToString(this._formatter));
}
Assert.IsTrue(diff.AddedTriples.Count() == 1, "Should only be 1 Triple difference due to New Line normalization");
Assert.IsTrue(diff.RemovedTriples.Count() == 1, "Should only be 1 Triple difference due to New Line normalization");
Assert.IsFalse(diff.AddedMSGs.Any(), "Should not be any MSG differences");
Assert.IsFalse(diff.RemovedMSGs.Any(), "Should not be any MSG differences");
}
}
finally
{
SetUriLoaderCaching(true);
}
}
public void StorageSparqlUniformHttpProtocolLoadGraph()
{
try
{
SetUriLoaderCaching(false);
//Ensure that the Graph will be there using the SaveGraph() test
StorageSparqlUniformHttpProtocolSaveGraph();
Graph g = new Graph();
FileLoader.Load(g, "resources\\Turtle.ttl");
g.BaseUri = new Uri("http://example.org/sparqlTest");
//Try to load the relevant Graph back from the Store
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
Graph h = new Graph();
sparql.LoadGraph(h, "http://example.org/sparqlTest");
Console.WriteLine();
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString(this._formatter));
}
GraphDiffReport diff = g.Difference(h);
if (!diff.AreEqual)
{
Console.WriteLine();
Console.WriteLine("Graphs are different - should be 1 difference due to New Line Normalization");
Console.WriteLine("Added Triples");
foreach (Triple t in diff.AddedTriples)
{
Console.WriteLine(t.ToString(this._formatter));
}
Console.WriteLine("Removed Triples");
foreach (Triple t in diff.RemovedTriples)
{
Console.WriteLine(t.ToString(this._formatter));
}
Assert.True(diff.AddedTriples.Count() == 1, "Should only be 1 Triple difference due to New Line normalization (added)");
Assert.True(diff.RemovedTriples.Count() == 1, "Should only be 1 Triple difference due to New Line normalization (removed)");
Assert.False(diff.AddedMSGs.Any(), "Should not be any MSG differences");
Assert.False(diff.RemovedMSGs.Any(), "Should not be any MSG differences");
}
}
finally
{
SetUriLoaderCaching(true);
}
}
public void StorageSparqlUniformHttpProtocolPostCreate()
{
SparqlHttpProtocolConnector connector = SparqlGraphStoreProtocolTest.GetConnection();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(TestConfigManager.GetSetting(TestConfigManager.LocalGraphStoreUri));
request.Method = "POST";
request.ContentType = "application/rdf+xml";
Graph g = new Graph();
FileLoader.Load(g, "resources\\InferenceTest.ttl");
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
RdfXmlWriter rdfxmlwriter = new RdfXmlWriter();
rdfxmlwriter.Save(g, writer);
writer.Close();
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
//Should get a 201 Created response
if (response.StatusCode == HttpStatusCode.Created)
{
if (response.Headers["Location"] == null)
{
Assert.True(false, "A Location: Header containing the URI of the newly created Graph should have been returned");
}
Uri graphUri = new Uri(response.Headers["Location"]);
Console.WriteLine("New Graph URI is " + graphUri.ToString());
Console.WriteLine("Now attempting to retrieve this Graph from the Store");
Graph h = new Graph();
connector.LoadGraph(h, graphUri);
TestTools.ShowGraph(h);
Assert.Equal(g, h);
}
else
{
Assert.True(false, "A 201 Created response should have been received but got a " + (int)response.StatusCode + " response");
}
response.Close();
}
}
public void StorageSparqlUniformHttpProtocolGraphExists()
{
try
{
SetUriLoaderCaching(false);
//Ensure that the Graph will be there using the SaveGraph() test
StorageSparqlUniformHttpProtocolSaveGraph();
//Check the Graph exists in the Store
SparqlHttpProtocolConnector sparql = SparqlGraphStoreProtocolTest.GetConnection();
Assert.IsTrue(sparql.HasGraph("http://example.org/sparqlTest"));
}
finally
{
SetUriLoaderCaching(true);
}
}
