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.
208
8 章 テストスイートを成長させる
の実行スピードを高めることができます。
DOM
全体をレンダリングするのにブラウザが不要にな
るためです。しかも、ヘッドレスブラウザを使うとリソース消費は減り、並列に実行されるテスト
の品質を高めることができます。
HTMLUnit Driver について、詳しくは https://code.google.com/p/selenium/wiki/HtmlUnit
Driver を参照してください。
PhantomJS
PhantomJS
は比較的新しい
OSS
プロジェクトで、
WebKit
エンジンを使って、ウェブペー
ジをメモリ内でのみレンダリングします。ブラウザウィンドウはありません。
PhantomJS
は
JavaScript
の振る舞いをエミュレートする代わりに、実際の
WebKit
エンジンを使っているため、
HTMLUnit Driver
と比べてより新しく、より改善されています。実際のブラウザエンジンにヘッ
ドレスブラウザをレンダリングさせることで、エミュレーションに比べて信頼性を大幅に向上させ、
一貫性のある結果をもたらします。
WebKit は、Safari ウェブブラウザのために Apple によって書かれたウェブページレイアウトエ
ンジンです。これは Internet Explorer が使っている Trident エンジンよりもはるかに高速です。
Google は WebKit プロジェクトをフォークして、Blink エンジンと呼んでいます。現在のところ、
Google ...
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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.