February 2014
Intermediate to advanced
372 pages
7h
Japanese
Content preview from Backbone.jsアプリケーション開発ガイド
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305
15
章
SinonJS
ここまでの章を読んだ読者は、
Jasmine
と同じように
QUnit
を使ってもテストを作成できるよ
うになったと思われているかもしれません。
しかし、実は
QUnit
はスパイに対応していません。スパイとは自身についての引数や例外そし
て戻り値などを記録できるようにするための仕組みです。コールバックのテストや、対象の関数が
どのようにして何回呼び出されたか調べたりする際によく使われます。テストフレームワークでの
スパイは、既存の関数を囲む匿名関数あるいはラッパーとして記述されます。
15.1
SinonJS
とは
QUnit
でもスパイを利用できるようにするために、
Christian Johansen
が開発したモックフ
レームワーク
SinonJS
（
http://sinonjs.org/
）を導入することにします。
QUnit
とのシームレスな
統合（そして最小限の手間でのセットアップ）のために、
sinon-qunit
というアダプター（
http://
sinonjs.org/qunit/
）も合わせて利用します。
SinonJS
には個々のテストフレームワークから完全に
独立しているという大きなメリットがあり、どんなテストフレームワークと組み合わせても容易に
利用できます。
SinonJS
が提供する以下の
3
つの機能について、これから利用例を紹介します。
●
匿名のスパイ
●
既存のメソッドに対するスパイ
●
高機能なインスペクタ
15.1.1
スパイの基本
引数を指定せずに
sinon.spy()
を実行すると、
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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.