Rails - Jun 2011 - Monkey patch for Paperclip to prevent it from deleting attachment files in test mode

Hello,

For anyone who might stumble upon the following problem:

In my unit test, I''m checking if the deletion of a Paperclip attachment
on
my model actually works. However, when I call Object.save, my file is
deleted from disk! You don''t want this to happen in a test environment.
Inspired by some ideas on the interwebz, (specifically on the Stack Overflow
site) I created this monkey patch.

lib/paperclip_monkey_patch.rb:

# -*- encoding : utf-8 -*-
# Only in test mode do we prevent Paperclip from deleting attachments on
disk
module Paperclip
  class Attachment
    def clear
      # nop
      #raise "hell"
      # op
      instance_write(:file_name, nil)
      instance_write(:content_type, nil)
      instance_write(:file_size, nil)
      instance_write(:updated_at, nil)
    end
  end
end

Then add this line at the top of any test file that deleted attachments:

require ''paperclip_monkey_patch''

Now, when your attachments are deleted, the file they point to is not
deleted by Paperclip.

All the best,
CmdJohnson

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