@Test
/**
 * Make sure global mapping is avaliable when global.xml is
 * in the path.
 * @throws Exception
 */
public void testGlobalMapping() throws Exception {

  ServiceInfo sinfo = metaInfo.getService("HDP",
      "0.2", "HDFS");
  List<PropertyInfo> pinfo = sinfo.getProperties();
  /** check all the config knobs and make sure the global one is there **/
  boolean checkforglobal = false;
  for (PropertyInfo pinfol: pinfo) {
    if ("global.xml".equals(pinfol.getFilename())) {
      checkforglobal = true;
    }
  }
  Assert.assertTrue(checkforglobal);
  sinfo = metaInfo.getService("HDP",
      "0.2", "MAPREDUCE");
  boolean checkforhadoopheapsize = false;
  pinfo = sinfo.getProperties();
  for (PropertyInfo pinfol: pinfo) {
    if ("global.xml".equals(pinfol.getFilename())) {
      if ("hadoop_heapsize".equals(pinfol.getName())) {
        checkforhadoopheapsize = true;
      }
    }
  }
  Assert.assertTrue(checkforhadoopheapsize);
}