# File lib/vcr.rb, line 123
  def turn_off!(options = {})
    if VCR.current_cassette
      raise CassetteInUseError.new("A VCR cassette is currently in use.  You must eject it before you can turn VCR off.")
    end

    @ignore_cassettes = options[:ignore_cassettes]
    invalid_options = options.keys - [:ignore_cassettes]
    if invalid_options.any?
      raise ArgumentError.new("You passed some invalid options: #{invalid_options.inspect}")
    end

    VCR.http_stubbing_adapter.http_connections_allowed = true
    @turned_off = true
  end