node jasmine spec runner and watchr config file

spec

#!/usr/bin/env node

// make it chmod +x and put it into ~/bin dir

require('jasmine');

var target = "";

if(process.argv[2]) {
  target = process.argv[2]
} else {
  target = process.cwd() + '/spec';
}

jasmine.executeSpecsInFolder(target, function(runner, log){
  process.exit(runner.results().failedCount);
}, false, true, "_spec.js$");

watch.me.rb

#remove rb from file extension and put it into your root git dir
#install growlnotify cmd line tool
#I have this problem with ruby 1.9.2 https://github.com/mynyml/watchr/issues/#issue/16
#works fine with ruby 1.8.7 p302

require 'rubygems'
require 'growl'

RUNNER = "~/bin/spec"

# ---------
# Signals
# ---------

Signal.trap('QUIT') { run_all_specs('spec') } # Ctrl-\
Signal.trap('INT' ) { abort("\nBye.\n") }   # Ctrl-C

# ---------
# Rules
# ---------           

watch( '^spec/(.*)_spec\.js' ) do |md|
  run "Runnning: #{md[0]}" do
    path = File.join(Dir.pwd, md[0])
    `#{RUNNER} #{path}`
  end
end

# ---------
# Helpers
# ---------

def run_all_specs(target)
  run "Running all in: #{target}" do
    path = File.join(Dir.pwd, target)
    `#{RUNNER} #{path}`
  end
end


def run(description, &block)
  puts "#{description}" 
  
  result = parse_result(block.call)
  
  if result[:tests] =~ /\d/
    if $?.success? && result[:success]
      title = "Jasmine Specs Passed!"
      img = "~/.watchr/success.png"
    else
      title = "Jasmine Specs Failed!"
      img = "~/.watchr/failed.png"
    end
    
    specs_count   = pluralize(result[:assertions], "example", "examples")
    failed_count  = pluralize(result[:failures], "failure", "failures")
    
    growl(title, "#{specs_count}, #{failed_count}", img)
  else
    growl("Running Specs Failed!", "Runner returned an error..")
  end
end

def pluralize(count, singular, plural)
  count == "1" ? "#{count} #{singular}" : "#{count} #{plural}"
end

def growl(title, message, image_path = nil)
  image_path = File.expand_path(image_path) if image_path
  
  roar = Growl.new
  roar.message = message
  roar.title = title
  roar.image = image_path if image_path && File.exist?(image_path)
  roar.run if Growl.installed?
end

def parse_result(result)
  puts result
  duration = result.scan(/Finished in (\d.\d+) seconds/).flatten.first
  tests, assertions, failures = result.scan(/(\d+) tests?, (\d+) assertions?, (\d+) failures?/).flatten
  { 
    :tests => tests, 
    :assertions => assertions, 
    :failures => failures, 
    :success => failures == "0", 
    :duration => duration 
  }
end