public void UNIONClause()
{
var expectedQuery = "{<http://dbpedia.org/resource/Paris> <http://www.w3.org/2000/01/rdf-schema#label> ?label} UNION {<http://dbpedia.org/resource/Montreal> <http://www.w3.org/2000/01/rdf-schema#label> ?label}";
var subject = new UriNode("http://dbpedia.org/resource/Paris");
var predicate = new UriNode("http://www.w3.org/2000/01/rdf-schema#label");
var obj = new VariableNode("label");
var triple = new Triple(subject, predicate, obj);
var triples = new List <Triple> {
triple
};
subject = new UriNode("http://dbpedia.org/resource/Montreal");
triple = new Triple(subject, predicate, obj);
triples.Add(triple);
var unionClause = new dotNetSPARQL.Query.UnionClause(triples);
Assert.AreEqual(expectedQuery, unionClause.ToString());
}