@Test
public void roleHierarchyIsUsedWhenSet() throws Exception {
RoleHierarchy rh = mock(RoleHierarchy.class);
List rhAuthorities = AuthorityUtils.createAuthorityList("D");
when(rh.getReachableGrantedAuthorities(anyCollection())).thenReturn(rhAuthorities);
SidRetrievalStrategy strat = new SidRetrievalStrategyImpl(rh);
List<Sid> sids = strat.getSids(authentication);
assertEquals(2, sids.size());
assertNotNull(sids.get(0));
assertTrue(sids.get(0) instanceof PrincipalSid);
assertEquals("D", ((GrantedAuthoritySid) sids.get(1)).getGrantedAuthority());
}