@Test
public void testCompileKMeansSingleStepWithStats() {
KMeansSingleStep kmi = new KMeansSingleStep();
Plan p = kmi.getPlan(String.valueOf(DEFAULT_PARALLELISM), IN_FILE, IN_FILE, OUT_FILE, String.valueOf(20));
// set the statistics
OperatorResolver cr = getContractResolver(p);
FileDataSource pointsSource = cr.getNode(DATAPOINTS);
FileDataSource centersSource = cr.getNode(CENTERS);