Autotest integration with libnotify on GNU/Linux

gistfile1.rb

#! /usr/bin/env ruby

require 'autotest/timestamp'

IMAGES_ROOT = File.expand_path("~/.dotfiles/autotest_images/small")

module Autotest::LibNotify

  def self.notify(title, msg, urgency=:normal)
    img = File.join(IMAGES_ROOT, "#{title.downcase}.png")
    `notify-send '#{title}' '#{msg}' --icon=#{img} --expire-time=5000 --urgency=#{urgency}`
  end

  Autotest.add_hook :ran_command do |at|

    begin
      time_taken = at.results[-2].strip
      summary = at.results[-1]
      pattern = /(\d+)\sexamples?,\s(\d+)\sfailures?(?:,\s(\d+)\spending)?/
      (total, failures, pending) = summary.match(pattern) { |md| md[1..3].map(&:to_i) }
    rescue              # if autotest failed to produce valid output
      notify "FAIL", "error occured", :critical
    else                   # building output string for notification
      output = "#{total} executed"
      output << "\n#{failures} failed" unless failures.zero?
      output << "\n#{pending} pending" unless pending.zero?
      output << "\n\n"
      output << time_taken

      if failures > 0
        notify "FAIL", output, :critical
      elsif pending > 0
        notify "Pending", output
      else
        notify "Passed", output
      end

    end
  end
end