Returns binary content (downloadable file), converted to a String

Source Code

# File action_controller/test_process.rb, line 269
def binary_content
  raise "Response body is not a Proc: #{body.inspect}" unless body.kind_of?(Proc)
  require 'stringio'

  sio = StringIO.new
  body.call(self, sio)

  sio.rewind
  sio.read
end