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.IsFalse(results.IsEmpty, "Result Set should not be empty");
Assert.AreEqual(SparqlResultsType.VariableBindings, results.ResultsType, "Results Type should be VariableBindings");
}
public void SparqlBNodeIDsInResults()
{
try
{
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");
}
catch (Exception ex)
{
TestTools.ReportError("Error", ex, true);
}
}
private int ProcessEvaluationTest(SparqlQueryParser parser, Triple commentDef, String queryFile, String dataFile, List<String> dataFiles, String resultFile)
{
Console.WriteLine("# Processing Query Evaluation Test " + Path.GetFileName(queryFile));
if (commentDef != null)
{
Console.WriteLine(commentDef.Object.ToString());
Console.WriteLine();
}
if (dataFiles.Contains(dataFile)) dataFiles.Remove(dataFile);
if (queryFile.StartsWith("file:///")) queryFile = queryFile.Substring(8);
if (dataFile != null && dataFile.StartsWith("file:///")) dataFile = dataFile.Substring(8);
if (resultFile.StartsWith("file:///")) resultFile = resultFile.Substring(8);
Console.WriteLine("Query File is " + queryFile);
if (evaluationTestOverride.Any(x => queryFile.EndsWith(x)))
{
Console.WriteLine();
Console.WriteLine("# Test Result = Manually overridden to Pass (Test Passed)");
testsPassed++;
testsEvaluationPassed++;
return 1;
}
if (dataFile != null) Console.WriteLine("Default Graph File is " + dataFile);
foreach (String file in dataFiles)
{
Console.WriteLine("Uses Named Graph File " + file);
}
Console.WriteLine("Expected Result File is " + resultFile);
Console.WriteLine();
SparqlQuery query;
try
{
query = parser.ParseFromFile(queryFile);
SparqlFormatter formatter = new SparqlFormatter(query.NamespaceMap);
Console.WriteLine(formatter.Format(query));
Console.WriteLine();
try
{
Console.WriteLine(query.ToAlgebra().ToString());
Console.WriteLine();
}
catch
{
//Do Nothing
}
}
catch (RdfParseException parseEx)
{
this.ReportError("Query Parser Error", parseEx);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result = Unable to parse query (Test Failed)");
return -1;
}
catch (Exception ex)
{
this.ReportError("Unexpected Parsing Error", ex);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result = Unable to parse query (Test Failed)");
return -1;
}
IInMemoryQueryableStore store;
if (dataFile != null)
{
store = new TripleStore();
}
else
{
store = new WebDemandTripleStore();
}
//Load Default Graph
Graph defaultGraph = new Graph();
try
{
if (dataFile != null)
{
FileLoader.Load(defaultGraph, dataFile);
}
store.Add(defaultGraph);
}
catch (RdfParseException parseEx)
{
this.ReportError("Parser Error", parseEx);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result = Unable to parse Default Graph (Test Failed)");
return -1;
}
//Load Named Graphs
try
{
foreach (String graphFile in dataFiles)
{
Graph namedGraph = new Graph();
if (graphFile.StartsWith("file:///"))
{
FileLoader.Load(namedGraph, graphFile.Substring(8));
}
else
{
FileLoader.Load(namedGraph, graphFile);
}
store.Add(namedGraph);
}
}
catch (RdfParseException parseEx)
{
this.ReportError("Parser Error", parseEx);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Unable to parse Named Graph (Test Failed)");
return -1;
}
//Create a Dataset and then Set Graphs
InMemoryDataset dataset = new InMemoryDataset(store);
if (!query.DefaultGraphs.Any())
{
if (defaultGraph.BaseUri != null) query.AddDefaultGraph(defaultGraph.BaseUri);
//dataset.SetActiveGraph(defaultGraph.BaseUri);
}
if (!query.NamedGraphs.Any())
{
foreach (String namedGraphUri in dataFiles)
{
query.AddNamedGraph(new Uri(namedGraphUri));
}
}
//Try and get the result
Object results = null;
try
{
results = query.Evaluate(dataset);
}
catch (RdfQueryException queryEx)
{
this.ReportError("Query Error", queryEx);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Query execution failed (Test Failed)");
return -1;
}
catch (Exception ex)
{
this.ReportError("Other Error", ex);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Query failed (Test Failed)");
return -1;
}
if (results == null)
{
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - No result was returned from the Query (Test Failed)");
return -1;
}
//Load in the expected results
if (results is SparqlResultSet)
{
//Save our Results so we can manually compare as needed
SparqlResultSet ourResults = (SparqlResultSet)results;
SparqlXmlWriter writer = new SparqlXmlWriter();
writer.Save(ourResults, resultFile + ".out");
SparqlResultSet expectedResults = new SparqlResultSet();
if (resultFile.EndsWith(".srx"))
{
try
{
SparqlXmlParser resultSetParser = new SparqlXmlParser();
resultSetParser.Load(expectedResults, resultFile);
}
catch (RdfParseException parseEx)
{
this.ReportError("Result Set Parser Error", parseEx);
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Error loading expected Result Set (Test Indeterminate)");
return 0;
}
}
else if (resultFile.EndsWith(".srj"))
{
try
{
SparqlJsonParser resultSetParser = new SparqlJsonParser();
resultSetParser.Load(expectedResults, resultFile);
}
catch (RdfParseException parseEx)
{
this.ReportError("Result Set Parser Error", parseEx);
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Error loading expected Result Set (Test Indeterminate)");
return 0;
}
}
else if (resultFile.EndsWith(".ttl") || resultFile.EndsWith(".rdf"))
{
try
{
SparqlRdfParser resultSetParser = new SparqlRdfParser();
resultSetParser.Load(expectedResults, resultFile);
}
catch (RdfParseException parseEx)
{
this.ReportError("Result Set Parser Error", parseEx);
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Error loading expected Result Set (Test Indeterminate)");
return 0;
}
}
else
{
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Unable to load the expected Result Set (Test Indeterminate)");
return 0;
}
ourResults.Trim();
expectedResults.Trim();
if (ourResults.Equals(expectedResults))
{
testsPassed++;
testsEvaluationPassed++;
Console.WriteLine("# Test Result - Result Set as expected (Test Passed)");
return 1;
}
else
{
Console.WriteLine("Final Query");
SparqlFormatter formatter = new SparqlFormatter(query.NamespaceMap);
Console.WriteLine(formatter.Format(query));
Console.WriteLine();
Console.WriteLine("# Graphs in Test Data");
foreach (Uri u in store.Graphs.GraphUris)
{
Console.WriteLine(this.ToSafeString(u));
}
Console.WriteLine();
this.ShowTestData(store);
this.ShowResultSets(ourResults, expectedResults);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Result Set not as expected (Test Failed)");
return -1;
}
}
else if (results is Graph)
{
if (resultFile.EndsWith(".ttl"))
{
//Save our Results so we can manually compare as needed
Graph ourResults = (Graph)results;
CompressingTurtleWriter writer = new CompressingTurtleWriter();
writer.Save(ourResults, resultFile + ".out");
try
{
Graph expectedResults = new Graph();
TurtleParser ttlparser = new TurtleParser();
ttlparser.Load(expectedResults, resultFile);
try
{
if (ourResults.Equals(expectedResults))
{
testsPassed++;
testsEvaluationPassed++;
Console.WriteLine("# Test Result - Graph as expected (Test Passed)");
return 1;
}
else
{
this.ShowTestData(store);
this.ShowGraphs(ourResults, expectedResults);
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Graph not as expected (Test Failed)");
return -1;
}
}
catch (NotImplementedException)
{
this.ShowGraphs(ourResults, expectedResults);
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Unable to establish if Graph was as expected (Test Indeterminate)");
return 0;
}
}
catch (RdfParseException parseEx)
{
this.ReportError("Graph Parser Error", parseEx);
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Error loading expected Graph (Test Indeterminate)");
return 0;
}
}
else
{
testsIndeterminate++;
testsEvaluationIndeterminate++;
Console.WriteLine("# Test Result - Unable to load expected Graph (Test Indeterminate)");
return 0;
}
}
else
{
testsFailed++;
testsEvaluationFailed++;
Console.WriteLine("# Test Result - Didn't produce a Graph as expected (Test Failed)");
return -1;
}
}
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");
}
}
