April 2016
Beginner to intermediate
389 pages
9h 8m
Korean
Content preview from 한 권으로 끝내는 Node & Express: 웹사이트 구축을 위한 서버 사이드 자바스크립트
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81
5
장
-
품질보증
var fortune
=
require
('../
lib
/
fortune
.
js
');
var expect
=
require
('
chai
').
expect
;
suite
('
Fortune cookie tests
',
function
(){
test
('
getFortune
()
should return a fortune
',
function
(){
expect
(
typeof fortune
.
getFortune
()
===
'
string
');
});
});
이제 모카로 새 테스트 스위트를 테스트합시다.
mocha
-
u tdd
-
R spec qa
/
tests
-
unit
.
js
그다지 흥미롭지는 않군요! 하지만 이러한 테스트는 이 책을 진행하는 동안 계속 사용할 템플
릿입니다.
NOTE
_
엔트로피 기능(랜덤한 기능)을 테스트하는 건 그 자체로도 꽤 어려운 일입니다. 포춘 쿠키 테스트
가 진짜로 무작위 포춘 쿠키를 반환하는지 테스트해볼 수도 있을 겁니다. 하지만 무작위인지 어떻게 확인할
까요? 한 가지 방법은 샘플을 아주 많이, 예를 들어 수천 개를 준비한 다음 결과가 어떻게 분포하는지 보는
방법입니다. 함수가 제대로 동작한다면 결과는 편중되지 않고 골고루 나올 겁니다. 하지만 이 방법은 결정론
적이지 않다는 단점도 있습니다. 확률은 낮지만, 어떤 결과가 다른 결과보다
10
배 더 자주
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.