September 2015
Beginner to intermediate
256 pages
5h 26m
Japanese
Content preview from Seleniumデザインパターン & ベストプラクティス
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207
8.3 FAQ
8.3.3
Selenium
を使って
JS
能をテストすきでしう
登録ページの検証ポップアップをテストするためだけに
Selenium
を使うのは、蚊を殺すのに大
砲を用いるようなものです。しかし、大きなテストスイートを見直してみると、たくさんの大砲が
使われているのが見つかります。
Selenium
は小さな
JavaScript
をテストするのにふさわしいツー
ルでしょうか。
問題
Selenium
は非常にリソースを食うテストツールです。もし
1
つのフォームの
JavaScript
検証だ
けをテストしようとしているなら、そのためにプログラミング言語、データベース、ブラウザを詰
め込むのは非効率的です。
可能な解決策
もしフォームの
JavaScript
関数をテストしているなら、そのコードを分離して、それ自体をテ
ストするべきです。
Jasmine
をはじめ、
JavaScript
のテストツールはたくさんあり、ページ全体を
ロードすることなく関数をテストすることができます。テストの大部分を
Selenium
から
Jasmine
に移すことで、私たちは
1,000
以上の
JavaScript
専用テストを
2
分（
Internet Explorer
では
4
分）
以下で実行できるようになりました。
Jasmine は JavaScript のための BDD ツールであり、Selenium WebDriver を使って、ウェブ
ブラウザと JavaScript 関数をすべて 1 つのページにロードします。ユーザは JavaScript ...
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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.