public void SparqlJsonResultSet()
{
Console.WriteLine("Tests that JSON Parser parses language specifiers correctly");
String query = "PREFIX rdfs: <" + NamespaceMapper.RDFS + ">\nSELECT DISTINCT ?comment WHERE {?s rdfs:comment ?comment}";
TripleStore store = new TripleStore();
Graph g = new Graph();
FileLoader.Load(g, "json.owl");
store.Add(g);
Object results = store.ExecuteQuery(query);
if (results is SparqlResultSet)
{
SparqlResultSet rset = (SparqlResultSet)results;
//Serialize to both XML and JSON Results format
SparqlXmlWriter xmlwriter = new SparqlXmlWriter();
xmlwriter.Save(rset, "results.xml");
SparqlJsonWriter jsonwriter = new SparqlJsonWriter();
jsonwriter.Save(rset, "results.json");
//Read both back in
SparqlXmlParser xmlparser = new SparqlXmlParser();
SparqlResultSet r1 = new SparqlResultSet();
xmlparser.Load(r1, "results.xml");
Console.WriteLine("Result Set after XML serialization and reparsing contains:");
foreach (SparqlResult r in r1)
{
Console.WriteLine(r.ToString());
}
Console.WriteLine();
SparqlJsonParser jsonparser = new SparqlJsonParser();
SparqlResultSet r2 = new SparqlResultSet();
jsonparser.Load(r2, "results.json");
Console.WriteLine("Result Set after JSON serialization and reparsing contains:");
foreach (SparqlResult r in r2)
{
Console.WriteLine(r.ToString());
}
Console.WriteLine();
Assert.AreEqual(r1, r2, "Results Sets should be equal");
Console.WriteLine("Result Sets were equal as expected");
}
else
{
Assert.Fail("Query did not return a Result Set");
}
}
public void SparqlBNodeIDsInResults()
{
SparqlXmlParser xmlparser = new SparqlXmlParser();
SparqlResultSet results = new SparqlResultSet();
xmlparser.Load(results, "resources\\bnodes.srx");
TestTools.ShowResults(results);
Assert.Equal(results.Results.Distinct().Count(), 1);
SparqlJsonParser jsonparser = new SparqlJsonParser();
results = new SparqlResultSet();
jsonparser.Load(results, "resources\\bnodes.json");
TestTools.ShowResults(results);
Assert.Equal(results.Results.Distinct().Count(), 1);
}
public void SparqlBNodeIDsInResults()
{
SparqlXmlParser xmlparser = new SparqlXmlParser();
SparqlResultSet results = new SparqlResultSet();
xmlparser.Load(results, "bnodes.srx");
TestTools.ShowResults(results);
Assert.AreEqual(results.Results.Distinct().Count(), 1, "All Results should be the same as they should all generate same BNode");
SparqlJsonParser jsonparser = new SparqlJsonParser();
results = new SparqlResultSet();
jsonparser.Load(results, "bnodes.json");
TestTools.ShowResults(results);
Assert.AreEqual(results.Results.Distinct().Count(), 1, "All Results should be the same as they should all generate same BNode");
}
public void ParsingResultSetHandlerImplicitSparqlJson()
{
this.EnsureTestData("test.srj");
SparqlJsonParser parser = new SparqlJsonParser();
SparqlResultSet results = new SparqlResultSet();
parser.Load(results, "test.srj");
NTriplesFormatter formatter = new NTriplesFormatter();
foreach (SparqlResult r in results)
{
Console.WriteLine(r.ToString(formatter));
}
Assert.False(results.IsEmpty, "Result Set should not be empty");
Assert.Equal(SparqlResultsType.VariableBindings, results.ResultsType);
}