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Railsプロジェクトの *_spec.rb の中で xmpfilter を使う方法

Last updated at Posted at 2020-05-14

要点

  1. rspec/autorun を読み込むことで rspec コマンドで実行したのと同じ状況にする
  2. require "rails_helper" などが失敗しないように -I spec を指定
  3. カレントディレクトリを Rails.root に固定するため --cd に .git のあるディレクトリを指定

(defun rubyxmp ()
  (interactive)
  (let ((s "xmpfilter --dev --fork --no-warnings --poetry")
        (rspec-p (string-match "_spec" (buffer-file-name)))
        (git-root (locate-dominating-file default-directory ".git"))
        xmpfilter-command-name)
    (when rspec-p
      (setq s (concat s " -r rspec/autorun -I spec"))
      (when git-root
        (setq s (concat s " --cd " git-root))))
    (setq xmpfilter-command-name s)
    (call-interactively 'xmp)))
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