public void ORDERBYAscClause()
{
var expectedClause = "ORDER BY ASC(?uri)";
var orderByClause = new dotNetSPARQL.Query.OrderByClause("uri", false);
Assert.AreEqual(expectedClause, orderByClause.ToString());
}
public void SELECTUnionOrderByClauses()
{
var expectedQuery = "SELECT ?uri, ?label WHERE {{ ?uri <http://www.w3.org/2000/01/rdf-schema#label> ?label } {<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}} ORDER BY ASC(?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);
triple = new Triple(
new VariableNode("uri"),
new UriNode("http://www.w3.org/2000/01/rdf-schema#label"),
new VariableNode("label"));
var orderByClause = new dotNetSPARQL.Query.OrderByClause("label");
var select = new dotNetSPARQL.Query.Select(new List <Triple>()
{
triple
}, new dotNetSPARQL.Query.BaseClause[] { orderByClause, unionClause }, new string[] { "uri", "label" });
Assert.AreEqual(expectedQuery, select.ToString());
}
public void ORDERBYQuery()
{
var expectedQuery = "SELECT WHERE { <http://dbpedia.org/resource/Paris> <http://dbpedia.org/ontology/wikiPageExternalLink> ?uri } ORDER BY DESC(?uri)";
var subject = new UriNode("http://dbpedia.org/resource/Paris");
var predicate = new UriNode("http://dbpedia.org/ontology/wikiPageExternalLink");
var obj = new VariableNode("uri");
var triple = new Triple(subject, predicate, obj);
var orderByClause = new dotNetSPARQL.Query.OrderByClause("uri", true);
var clauses = new dotNetSPARQL.Query.BaseClause[] { orderByClause };
var triples = new List <Triple> {
triple
};
var selectCountQuery = new dotNetSPARQL.Query.Select(
triples, clauses, new string[0]);
Assert.AreEqual(expectedQuery, selectCountQuery.ToString());
}