.autotest

# 
#  .autotest
#  Autotest Growl Notifications for Rspec and Test::Unit
#  
#  Created by Rein Henrichs on 2007-09-12.
#  Copyright 2007 Rein Henrichs.
#  http://pastie.caboo.se/96573/download
# 

require 'logger'
logfile = File.join(File.dirname(__FILE__), '.autotest.log')
$logger = Logger.new(logfile)

module Autotest::Growl
  Autotest.add_hook :initialize do |at|  
    %w{.svn .hg .git vendor}.each {|exception| at.add_exception(exception)}  
  end  
  Autotest.add_hook :ran_command do |at|
    input = Input.new( at.results )
    Growler.display_notification( input )
  end
end  

class String
  def remove_color_codes!
    self.gsub!(/\e\[\d+m/,'')
    self.strip!
  end
end

class Growler
  class << self
    def display_notification( input )
      growler = RspecGrowler if input.from_rspec?
      growler = TestUnitGrowler if input.from_test_unit?
      growler.display_notification( input.result_line )
    rescue => e
      $logger.fatal e
      notify_system_error( "Unexpected Error", "Please check your ~/.autotest.log" )    
    end

    def notify(title, msg, img, pri=0, stick="" )
      system "growlnotify -n -w autotest --image #{img} -p #{pri} -m #{msg.inspect} #{title} #{stick}" 
    end

    def notify_system_error( title = "System Error", err = "")
      Growler.notify( title, err, '~/.autotest_images/fail.png')
    end
  end
end

class Input
  def initialize(input)
    @input = input
  end

  def empty?; @input.empty?; end

  # TODO: Make these work
  def failing?; end
  def passing?; end
  def error?; end

  def from_rspec?; !!rspec_result_line || empty?; end
  def from_test_unit?; !!test_unit_result_line; end
  def rspec_result_line; @input.grep( /\d+\sexample/ ).first; end
  def test_unit_result_line; @input.grep( /\d+\sassertion/ ).first; end
  def result_line
    @line ||= case
      when from_rspec? then rspec_result_line
      when from_test_unit? then test_unit_result_line
      else nil
      end
    @line.remove_color_codes! if @line
  end
end

class AutoGrowler < Growler 
  class << self
    def notify_failure(input)
      notify( "Tests Failed", input, '~/.autotest_images/fail.png', 2 )
    end
    def notify_success(input)
      notify( "Tests Passed", input, '~/.autotest_images/pass.png', 0 )
    end    
  end
end

class RspecGrowler < AutoGrowler
  class << self    
    def notify_pending(input)
      notify( "Tests Pending", input, '~/.autotest_images/pending.png', 1 )
    end

    def notify_error
      notify( "Syntax Error", "It looks like there was a syntax error. Check your autotest results.", '~/.autotest_images/fail.png')
    end

    def display_notification(input)

      notify_error and return unless input      
      # TODO: replace with some object oriented goodness. elsif FTL!
      examples, failures, pending = input.split(", ")
      if failures.to_i > 0
        notify_failure input
      elsif pending.to_i > 0
        notify_pending input
      else
        notify_success input
      end
    end
  end
end

class TestUnitGrowler < AutoGrowler
  class << self
    def notify_error(input)
      notify( "Tests Errored", input, '~/.autotest_images/fail.png', 2 )
    end
    def display_notification( input )

      # TODO: replace with some object oriented goodness. elsif FTL!
      tests, assertions, failures, errors = input.split(", ")
      if errors.to_i > 0
        notify_error input
      elsif failures.to_i > 0
        notify_failure input
      else
        notify_success input
      end
    end
  end
end