import { Error , ErrorKind } from '../types' ; import compoundErrorMessage from './compoundErrorMessage' ; interface Test { err : Error ; input : string ; output : string ; } const tests = [ { err : { kind : ErrorKind . Other } , input : 'An error occurred doing this' , output : 'An error occurred doing this, please try again later.' , } , { err : { kind : ErrorKind . Other , message : 'custom error' } , input : 'An error occurred doing this' , output : 'An error occurred doing this: custom error' , } , ] ; describe ( 'compoundErrorMessage' , ( ) => { for ( let i = 0 ; i < tests . length ; i ++ ) { it ( 'returns correct string' , ( ) => { const actual = compoundErrorMessage ( tests [ i ] . err , tests [ i ] . input ) ; expect ( actual ) . toEqual ( tests [ i ] . output ) ; } ) ; } } ) ;