@Test
public void test() {

    final Map<String, Set<String>> permissionsByRole = new PermissionToRoleMapperFromString(
            "role1 = foo,bar;"
                    + "role2 = fiz:x,bip:bop:* ;"
                    + "role3 = *").getPermissionsByRole();
    assertThat(permissionsByRole.get("role1"), is(equalTo((Set<String>)_Sets.of("foo","bar"))));
    assertThat(permissionsByRole.get("role2"), is(equalTo((Set<String>)_Sets.of("fiz:x","bip:bop:*"))));
    assertThat(permissionsByRole.get("role3"), is(equalTo((Set<String>)_Sets.of("*"))));
    assertThat(permissionsByRole.size(), is(3));
}