public void TestSelectRegexFilter()
{
// Arrange
graph = new RDFGraph();
RDFSelectQuery query;
BuildGraph(graph);
// Act
query = new RDFSelectQuery();
var x = new RDFVariable("x");
var y = new RDFVariable("y");
var z = new RDFVariable("z");
var patternGroup = new RDFPatternGroup("PatternGroup1").AddPattern(new RDFPattern(x, y, z));
var filter = new RDFRegexFilter(x, new Regex(@".1$", RegexOptions.IgnoreCase)); // Filter subjects ending with 1
patternGroup.AddFilter(filter);
query.AddPatternGroup(patternGroup)
.AddProjectionVariable(x)
.AddProjectionVariable(y)
.AddProjectionVariable(z);
var result = query.ApplyToGraph(graph);
// Assert
Assert.AreEqual(3, result.SelectResultsCount);
}
public void CreateRegexFilter()
{
//Arrange
var n = new RDFVariable("n");
var filter = new RDFRegexFilter(n, new Regex(@"Mouse", RegexOptions.IgnoreCase));
var pg1 = new RDFPatternGroup("PG1");
//Act
pg1.AddFilter(filter);
//Assert
Assert.Contains(filter.ToString(), pg1.ToString());
}
