@Test
public void testRules() throws Exception {

  checkTranslation("omalley@" + KerberosTestUtils.getRealm(), "omalley");
  checkTranslation("hdfs/10.0.0.1@" + KerberosTestUtils.getRealm(), "hdfs");
  checkTranslation("oom@YAHOO.COM", "oom");
  checkTranslation("johndoe/zoo@FOO.COM", "guest");
  checkTranslation("joe/admin@FOO.COM", "joe");
  checkTranslation("joe/root@FOO.COM", "root");
}