import { Verification , pass } from '4.5' ; import { calculateTimeout , coerceToPromise } from '../helpers' ; import { EOL } from 'os' ; import { Test } from '../types' ; import { fourtyFive } from '../45' ; import { sequence } from '@typed/sequence' ; export function beforeEach ( fn , tests ) { return new BeforeEach ( fn , tests ) ; } class BeforeEach implements Test { public name = '' ; public showStatus = false ; private _timeout : number ; constructor ( private fn , private tests ) { this . _timeout = calculateTimeout ( tests ) ; } get timeout ( ) { return this . _timeout ; } set timeout ( time ) { this . _timeout = calculateTimeout ( this . tests , time ) ; } public run ( ) { const { fn , tests } = this ; const testsWithBeforeHook = tests . map ( addBeforeHook ( fn ) ) ; const testResult = { failures : 0 , message : '' } ; return sequence ( testsWithBeforeHook , ( test ) => { return fourtyFive ( [ test ] ) . then ( result => { const { failures , message } = result ; testResult . failures += failures ; testResult . message += message ; } ) ; } ) . then ( ( ) => { const { failures , message } = testResult ; if ( ! failures ) { this . name += trimResult ( message ) ; return pass ( void 0 ) ; } return { verify ( verification ) { verification . failure ( message ) ; } , } ; } ) ; } } function addBeforeHook ( fn ) { return function ( test ) : Test { return { name : test . name , timeout : test . timeout , showStatus : test . showStatus , run : ( ) => coerceToPromise ( fn ) . then ( ( ) => test . run ( ) ) , } ; } ; } function trimResult ( message ) { return message . replace ( new RegExp ( `[${ EOL }]{2,}` , 'g' ) , EOL ) . trim ( ) ; } ;