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#4511 ✓resolved
Mario Olivio Flores

ActionView::PathSet .exists? fails due to nil array

Reported by Mario Olivio Flores | April 30th, 2010 @ 02:52 PM

This method fails:

Due to the error evaluating an empty array: "occurred while evaluating nil.empty?"

The empty array is here:

seems like "unless prefix.empty?" should be just "unless prefix"

Comments and changes to this ticket

  • Tanel Suurhans

    Tanel Suurhans April 30th, 2010 @ 10:39 PM

    Probably needs a bit more information to write a failing test-case. The fix in itself looks easy enough.

  • Ryan Bigg

    Ryan Bigg May 25th, 2010 @ 09:58 AM

    • State changed from “new” to “open”

    Please provide a way to duplicate this method failure.

  • Mario Olivio Flores

    Mario Olivio Flores June 14th, 2010 @ 02:23 AM

    You could submit any value to view_paths.exists? and it will fail.

    Here is my example. I am using a pages_controller, to manage my static pages. Before attempting to load a template, I want my app to ensure the template exists, using a before filter.

    class PagesController < ApplicationController
      before_filter :ensure_valid
      def show
        render :template => current_page
      def ensure_valid
        unless view_paths.exists?(current_page)
          render :nothing => true, :status => 404 and return false
      def current_page
  • José Valim

    José Valim June 22nd, 2010 @ 04:24 PM

    • State changed from “open” to “resolved”

    Fixed on master.

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