mariadb/mysql-test/t/acl_roles_set_role-database-simple.test

#create a user with no privileges
create user 'test_user'@'localhost';
create user 'test_role1'@'';

update mysql.user set is_role='Y' where user='test_role1';
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'test_role1');
--sorted_result
select user, host from mysql.user where user not like 'root';
--sorted_result
select * from mysql.roles_mapping;
flush privileges;

grant select on mysql.* to test_role1@'';
grant insert, delete on mysql.roles_mapping to test_role1@'';

grant reload on *.* to test_role1@'';

change_user 'test_user';

--error ER_TABLEACCESS_DENIED_ERROR
select * from mysql.roles_mapping;

select current_user(), current_role();
set role test_role1;
select current_user(), current_role();
select * from mysql.roles_mapping;
--error ER_TABLEACCESS_DENIED_ERROR
insert into mysql.user (user, host) values ('Dummy', 'Dummy');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'test_role2');
delete from mysql.roles_mapping where RoleFk='test_role2';

use mysql;

set role none;
select current_user(), current_role();

--error ER_DBACCESS_DENIED_ERROR
use mysql;
--error ER_TABLEACCESS_DENIED_ERROR
select * from mysql.roles_mapping;
--error ER_TABLEACCESS_DENIED_ERROR
insert into mysql.user (user, host) values ('Dummy', 'Dummy');
--error ER_TABLEACCESS_DENIED_ERROR
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'test_role2');
--error ER_TABLEACCESS_DENIED_ERROR
delete from mysql.roles_mapping where RoleFk='test_role2';

change_user 'root';
drop user 'test_user'@'localhost';
revoke select on mysql.* from test_role1@'';
revoke insert, delete on mysql.roles_mapping from test_role1@'';
delete from mysql.user where user='test_role1';
delete from mysql.roles_mapping where RoleFk='test_role1';
flush privileges;