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.
27
2
Spaghetti
パターン
常に、あなたのコードを保守する人が凶暴なサイコパスで、
あなたがどこに住んでいるか知っていると思って、コードを書こう。
̶̶
マーティン・ゴールディング
ソフトウェアを書いて保守することは、エントロピと戦っているようなものです。時間と変更が
十分与えられれば、どんなコードベースであっても、次第に秩序を失っていきます。テストスイー
トはクローズドシステムです。その管理と計画に絶えずエネルギを注がないと、テストスイートは
崩壊していき、失敗することになります。ウェブサイトに新しい機能やコードを追加するというこ
とは、テストスイートを時代遅れにすることなのです。こうした自然の力に抵抗するには、今ある
テストを絶えず更新して、改善していくしかありません。
本章では、テストスイートを組織的に成長させながら、
Spaghetti
ーというアンチパター
ンについて見ていきます。その途中で、
XPath
や
CSS
を使ってウェブページ上の要素を
指定するといった、より基本的なスキルについても取り上げます。
アンチパターンという言葉は、Erich Gamma、Richard Helm、Ralph Johnson、John Vlissi
des による名著『Design Patterns: Elements of Reusable Object-Oriented Software』（Addi
son-Wesley Professional 刊）、邦訳『オブジェクト指向における再利用のためのデザインパター ...
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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.