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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44
2 章 Spaghetti パターン
コードが途切れないよう続けて書くと、次のようになります。
special_items = selenium.find_elements(:class, "special-item")more_info_buttons
= special_items.collect do |special_item| special_item.find_elements(:class,
"more-info")endbutton_to_click = more_info_buttons.find do |button| button.
attribute("href").include?("our-love-is-special")end
CSS
セレクタを使う
CSS
セレクタを使うと所望の要素の検索は次のように
1
行で書けますが、それには
CSS
セレク
タの構文に関する基本知識が必要です。
selenium.find_element(:css, '.special-item a[href*="our-love-is-special"].more-info')
まず
.special-item
を使って
special-item
をすべて見つけます。次に、適切な
href
属性を持
つリンクをすべて見つけて、検索を絞り込みます。最後に、
more-info
クラスを持つリンクだけに
絞り込んで、検索を完了します。
CSS セレクタに関するすぐれた初心者向けチュートリアルが ...
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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.