コード例 #1
0
        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);
        }
コード例 #2
0
        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");
        }
コード例 #3
0
        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");
            }
        }
コード例 #4
0
        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));
        }
コード例 #5
0
        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);
        }
コード例 #6
0
        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);
        }
コード例 #7
0
        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);
        }
コード例 #8
0
        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);
            }
        }
コード例 #9
0
        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);
            }
        }
コード例 #10
0
        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();
            }
        }