[xorm.NewEngine] I gave wrong 'dataSourceName' but can't panic the error

[conero]

I used xorm to connect Mysql.

// code ....
engine, err := xorm.NewEngine(vtype, dsn)
// dsn is wrong
// but never panic the error 

// I had to check use a SQL like:
md, er := engine.QueryString("select database() as `cdb`, user() as `user`")
// er =>
// `Error 1045: Access denied for user 'root'@'localhost' (using password: YES)`

// code ....

What I gonna to, please give me a hand.

[lunny]

You could use engine.Ping to test if the database is alive.

[conero]

@lunny Thanks for your help. But I think engine.Ping isn't direct for the purpose, maybe like IsVaild or Error better. It's a litter proposal for.