どの段階でテストコードが評価されているか注意する。 expect と is_expected 何が違うの??な人のための記事です。 subject を使うのはどういうとき? 定義元のコメントを見てみると・・ # Declares a `subject` for an example group which can then be wrapped # with `expect` using `is_expected` to make it the target of an # expectation in a concise, one-line example. # ... def subject(name=nil, &block) if name let(name, &block) alias_method :subject, name self::NamedSubjectPreventS
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