import prettifyNumber from './prettifyNumber' ; const tests = [ { number : 1 , result : 1 } , { number : 9 , result : 9 } , { number : 100 , result : 100 } , { number : 999 , result : 999 } , { number : 1000 , result : '1k' } , { number : 1760 , result : '1.76k' } , { number : 30000 , result : '30k' } , { number : 85300 , result : '85.3k' , digits : 3 } , { number : 59000000 , result : '59M' } , { number : 872389379 , result : '872.39M' } , { number : 76498237927 , digits : 3 , result : '76.498G' } , { number : 8789378978948 , result : '8.79T' } , { number : 9083509438032985 , result : '9.08P' } , { number : 847892398156232876438 , result : '847.89E' } , ] ; describe ( 'prettifyNumber' , ( ) => { for ( let i = 0 ; i < tests . length ; i ++ ) { it ( `renders proper number for ${ tests [ i ] . number }` , ( ) => { const actual = prettifyNumber ( tests [ i ] . number , tests [ i ] . digits ) ; expect ( actual ) . toBe ( tests [ i ] . result ) ; } ) ; } } ) ;