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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62
3 章 テストをリファクタリングする
せん。
Hermetic テストパターンは Test is an Island パターンと呼ばれることもあります。これは No
man is an Island. という古い言葉をもじったものです
†
。
3.3.1
Hermetic
テストパターンの
Hermetic
テストパターンが特に魅力的なのは、テストの不安定さを一掃しようとするときです。
テストを密封する利点を次に挙げます。
•
ーそれぞれのテストにはクリーンな作業環境が与えられま
す。おかげで、以前のテストによるテスト汚染、たとえば存在すべきでないユーザが作ら
れるなど、を防ぐことができます。
•
それぞれのテストが自分の環境に責任を持ちます。テストスイートの他の
ところで、すべてが完全にうまくいく必要はありません。
個々のテストのデータ管理については、「4 章 データ駆動テスト」で説明します。
•
ーそれぞれのテストはスタンドアローンになります。スモークスイー
トなどの小さなテストスイートに組み替えたり、スタンドアローンで実行したりすること
ができます。
スモークスイートというのはスモークテストの集合のことで、任意の環境、通常は新しいバー
ジョンのデプロイ直後の環境で実行されます。スモークスイートの狙いは、新しいビルドに
潜んでいる問題をすばやくあぶり出すことにあります。その他のテストスイートについては、
「8 章 テストスイートを成長させる」で説明します。 ...
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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.