October 2025
Intermediate to advanced
712 pages
9h 46m
Japanese
Content preview from Pythonによるテスト駆動開発, 3rd Edition
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第3部 フォーム とバリデーション
本番環境に移行したところで、 ウェブ開発の核心となる検証について 少し時間を割いて説明する。
このパートにはDjango固有のコンテンツがかなり含まれている。 だから、この本を読み始める前にDjangoに慣れていなかったなら、 公式のDjangoチュートリアルを少し時間をかけて一通りやっておくと、 次の数章でちょっとした発見があるだろう。
とはいえ、ここにはテスト駆動開発（TDD）全般に関する有益な教訓も数多く含まれている！ だから、Django自体にそれほど興味がないなら、 細かい部分は気にしすぎず、テストのより一般性に注目しよう。
これから扱う内容の少しだけ紹介しよう：
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テストを複数のファイルに分割する
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Seleniumの待機/ポーリング用デコレータの使用
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データベース層での検証と制約
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フロントエンドでのHTML5フォーム検証
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Djangoのフォームフレームワーク
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フレームワーク全般におけるトレードオフと、使用を止めるタイミング
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コーディングエラーの可能性をテストする際の限界
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Djangoビューに対する典型的なテストの概要
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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.