はてなブックマーク

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オブジェクトについて学習してきたがここでクラスとモジュールの概念について学ぶ。 クラス はオブジェクトになれる、、、つまりインスタンス化能力を持ち、インスタンスメソッドやクラスメソッドを格納できる。 モジュール はインスタンス化能力は持たないがメソッドを格納できる。 例えば、以下のクラスとモジュールがあるとする。 module Panda def visit_to_Japan "Mr.TonTon" end def panda @panda = "panda" end end class Zoo def the_zoo "There are lots of animal" end end class UenoZoo < Zoo include Panda def monkey @monkey = "monkey" end def elephant @elephant = "elephant

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let(:studio) { create(:studio) } データベースを作る、letの後がデータベース名 letの後に!をつけてlet!とすると優先的に作る visit ページに移動 例：visit root_path fill_in フォームに値を入れる 例：fill_in 'number', with: staff.number click_button ボタンをクリック click_link リンクをクリック 例：click_link '前へ進む' click_on ボタンまたはリンクをクリック select('カテゴリ１', :from => 'カテゴリ') セレクトボックスから項目を選択 例： select('選択してください。', :from => 'staff_staff_type') fromにid名を記入 save_and_open_page デバックモードでブラ

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