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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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.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.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.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.
73
3.6 まとめ
•
ー多くのテストフレームワークはテストのランダム実行をサ
ポートしていません。自分でこの機能を実装するのは難しいかもしれません。
3.6
まと
この章では、テストスイートにおけるコード重複の悪影響について見てきました。アプリケーショ
ンが成長していくと、テストを最新に保つのに必要な時間はどんどん増えていきます。解決策は、
DRY
テストパターンを使ってコードとテストの重複を避けることです。私たちは
DRY
原則を適
用して、重複したコードを
setup
メソッドと
teardown
メソッドにリファクタリングし、テスト間
で共有できるようにしました。
また
Hermetic
テストパターンを使うことで、
2
つのテストにあった依存関係を取り除きました。
テストスイートから
Spaghetti
パターンを取り除くことで、テストの安定性は劇的に高まりました。
テストを密封し、固有のデータを使うことで、テストのランダム順序実行を実現しました。
次の章では、テストデータについて、各種環境でテストデータをどう管理するかに注目します。
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