carrierwave_wont_close_file.rb

require 'fog'
require 'carrierwave'
require 'tempfile'

Fog.mock!
fog_credentials = {
  :provider               => 'AWS',
  :aws_access_key_id      => 'a',
  :aws_secret_access_key  => 'b'
}

module CarrierWave
  module Storage
    class Fog < Abstract
    end
  end
end

CarrierWave.configure do |config|
  config.storage :fog
  config.reset_config
  config.fog_credentials = fog_credentials
  config.fog_host        = nil
  config.fog_public      = true
  config.fog_directory = 'directory'
end

class MyUploader < CarrierWave::Uploader::Base
end

uploader = MyUploader.new
storage = CarrierWave::Storage::Fog.new(uploader)
storage.connection.directories.create(:key =>  CarrierWave::Uploader::Base.fog_directory)

files = []

500.times.map.with_index do |i|
  tempfile = Tempfile.new 'a'
  sanitized_file = CarrierWave::SanitizedFile.new(tempfile)
  storage.store!(sanitized_file)
  files << sanitized_file
  puts "stored #{i} times"
end
p files.count