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.
28
2 章 Spaghetti パターン
•
テストの実行順序
• Chain Linked
パターン
• Big Ball of Mud
パターン
2.1
Spaghetti
パターン
自動テストプロジェクトにおける
Spaghetti
パターンの特徴は、アーキテクチャや設計が認識で
きないところにあります。これは皿に盛られたスパゲティを連想させます。スパゲティ一束は
1
つ
のテストを表しているのかもしれませんし、絡み合った複数のテストを表しているのかもしれませ
ん。あまりに絡み合いすぎると、どれがどれだか見分けることすら難しくなります。しかも、パッ
と見ただけではほとんど理解できません。理解するためには、時間をかけてスパゲティの塊を解き
ほぐす必要があります。
このパターンで書かれたテストは、テストの実行順序に依存しているだけでなく、たいていの場
合、プライベートな内部コンポーネントをお互いに共有しすぎています。テストの実行順序は大き
な意味を持っています。それぞれのテストは自立、独立しておらず、テスト環境をセットアップす
るためには、自分より前のテストを実行する必要があるためです。たとえばログインテストの場
合、既存のユーザを使ったり、自らユーザを登録したりするのではなく、登録テストによって新し
いユーザがうまく登録されている必要があります。さらに、テストスイートの変数はグローバルに
共有されており、個々のテストがテストスイート全体に影響を及ぼします。
Spaghetti パターンは Chain Linked
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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.