class Utils::LineFormatter

def summary_line(summary)
  failure_percentage = 100 * summary.failure_count.to_f / summary.example_count
  failure_percentage.nan? and failure_percentage = 0.0
  pending_percentage = 100 * summary.pending_count.to_f / summary.example_count
  pending_percentage.nan? and pending_percentage = 0.0
  "%u of %u (%.2f %%) failed, %u pending (%.2f %%) in %.3f seconds" % [
    summary.failure_count,
    summary.example_count,
    failure_percentage,
    summary.pending_count,
    pending_percentage,
    summary.duration,
  ]
end