global

def nyan_cat
  if self.failed_or_pending? && self.finished?
    ascii_cat('x')[@color_index%2].join("\n") #'~|_(x.x)'
  elsif self.failed_or_pending?
    ascii_cat('o')[@color_index%2].join("\n") #'~|_(o.o)'
  elsif self.finished?
    ascii_cat('-')[@color_index%2].join("\n") # '~|_(-.-)'
  else
    ascii_cat('^')[@color_index%2].join("\n") # '~|_(^.^)'
  end
end