public void StorageStardogSparqlUpdate1()
{
StardogConnector stardog = StardogTests.GetConnection();
IGraph g;
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/1");
if (!g.IsEmpty)
{
Console.WriteLine("Dropping graph");
stardog.Update("DROP SILENT GRAPH <http://example.org/stardog/update/1>");
Console.WriteLine("Dropped graph");
Thread.Sleep(2500);
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/1");
Assert.True(g.IsEmpty, "Graph should be empty after DROP command");
}
Console.WriteLine("Inserting data");
stardog.Update(
"INSERT DATA { GRAPH <http://example.org/stardog/update/1> { <http://x> <http://y> <http://z> } }");
Console.WriteLine("Inserted data");
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/1");
Assert.False(g.IsEmpty, "Graph should not be empty");
Assert.Equal(1, g.Triples.Count);
}
public void StorageStardogSparqlUpdate3()
{
StardogConnector stardog = StardogTests.GetConnection();
IGraph g;
Console.WriteLine("Dropping graph");
stardog.Update("DROP SILENT GRAPH <http://example.org/stardog/update/3>");
Console.WriteLine("Dropped graph");
Thread.Sleep(2500);
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/3");
Assert.True(g.IsEmpty, "Graph should be empty after DROP command");
Console.WriteLine("Inserting data");
IGraph newData = new Graph();
newData.BaseUri = new Uri("http://example.org/stardog/update/3");
newData.Assert(newData.CreateUriNode(new Uri("http://x")), newData.CreateUriNode(new Uri("http://y")),
newData.CreateUriNode(new Uri("http://z")));
stardog.SaveGraph(newData);
Console.WriteLine("Inserted data");
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/3");
Assert.False(g.IsEmpty, "Graph should not be empty");
Assert.Equal(1, g.Triples.Count);
}
public void StorageStardogSparqlUpdate5()
{
StardogConnector stardog = StardogTests.GetConnection();
IGraph g;
// Begin a transaction
stardog.Begin();
// Try to make an update
stardog.Update(
"DROP SILENT GRAPH <http://example.org/stardog/update/5>; INSERT DATA { GRAPH <http://example.org/stardog/update/5> { <http://x> <http://y> <http://z> } }");
// Rollback the transaction
stardog.Rollback();
g = new Graph();
stardog.LoadGraph(g, "http://example.org/stardog/update/5");
Assert.False(g.IsEmpty, "Graph should not be empty after update");
Assert.Equal(1, g.Triples.Count);
stardog.Dispose();
}
