// Return roles from LDAP
                return new String[] { "Rgroup1", "Rgroup2" };
            }

            @Override
            public String normalizePermissionName(String name) {
                return name.toLowerCase();
            }
        }, "ldapManager");

        ComponentUtil.register(new ActivityHelper() {
            @Override

                    roleSet.add(systemHelper.getSearchRoleByRole(normalizePermissionName(name)));
                    return fessConfig.getRoleSearchRolePrefix();
                }
            } else if (fessConfig.isLdapRoleSearchGroupEnabled()) {
                roleSet.add(systemHelper.getSearchRoleByGroup(normalizePermissionName(name)));
                return fessConfig.getRoleSearchGroupPrefix();
            }

        });
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        assertEquals("admin", ldapManager.normalizePermissionName("ADMIN"));
        assertEquals("admin", ldapManager.normalizePermissionName("Admin"));
        assertEquals("admin", ldapManager.normalizePermissionName("admin"));
    }

    @Test
    public void test_normalizePermissionName_withLowercaseDisabled() {

                    ComponentUtil.getActivityHelper().permissionChanged(OptionalThing.of(new FessUserBean(this)));
                }), fessConfig.getRoleSearchUserPrefix() + ldapManager.normalizePermissionName(getName())));
            } else {
                permissions = StringUtil.EMPTY_STRINGS;
            }
        }
        return permissions;
    }

    @Override
    public String[] getRoleNames() {