module RSpec::Core::Formatters::Helpers

def format_duration(duration)
  if duration > 60
    minutes = duration.to_i / 60
    seconds = duration - minutes * 60
    "#{pluralize(minutes, 'minute')} #{format_seconds(seconds)} seconds"
  else
    "#{format_seconds(duration)} seconds"
  end
end

def format_seconds(float)
  precision ||= (float < 1) ? SUB_SECOND_PRECISION : DEFAULT_PRECISION
  formatted = sprintf("%.#{precision}f", float)
  strip_trailing_zeroes(formatted)
end

def pluralize(count, string)
  "#{count} #{string}#{'s' unless count == 1}"
end

def strip_trailing_zeroes(string)
  stripped = string.sub(/[^1-9]+$/, '')
  stripped.empty? ? "0" : stripped
end