public void ASKObjectVariable()
{
var expectedQuery = "ASK WHERE { <http://dbpedia.org/resource/Family_Guy> <http://dbpedia.org/ontology/author> ?uri }";
var subject = new UriNode("http://dbpedia.org/resource/Family_Guy");
var predicate = new UriNode("http://dbpedia.org/ontology/author");
var obj = new VariableNode("uri");
var triple = new Triple(subject, predicate, obj);
var query = new dotNetSPARQL.Query.Ask(triple);
Assert.AreEqual(expectedQuery, query.ToString());
}
public void ASKPredicateVariable()
{
var expectedQuery = "ASK WHERE { <http://dbpedia.org/resource/Family_Guy> ?predicate <http://dbpedia.org/resource/Seth_MacFarlane> }";
var subject = new UriNode("http://dbpedia.org/resource/Family_Guy");
var predicate = new VariableNode("predicate");
var obj = new UriNode("http://dbpedia.org/resource/Seth_MacFarlane");
var triple = new Triple(subject, predicate, obj);
var query = new dotNetSPARQL.Query.Ask(triple);
Assert.AreEqual(expectedQuery, query.ToString());
}
public void ASKChainedQuery()
{
var expectedQuery = "ASK WHERE { <http://dbpedia.org/resource/Family_Guy> <http://dbpedia.org/ontology/author> ?uri . ?uri <http://dbpedia.org/ontology/birthPlace> ?obj }";
var subject = new UriNode("http://dbpedia.org/resource/Family_Guy");
var predicate = new UriNode("http://dbpedia.org/ontology/author");
var obj = new VariableNode("uri");
var firstTriple = new Triple(subject, predicate, obj);
var secondTriple = new Triple(obj, new UriNode("http://dbpedia.org/ontology/birthPlace"), new VariableNode("obj"));
var query = new dotNetSPARQL.Query.Ask(new List <Triple>()
{
firstTriple, secondTriple
});
Assert.AreEqual(expectedQuery, query.ToString());
}
