jasmine-and-guard-jasmine.rb

guard 'process', :name => 'Jasmine server', :command => 'bundle exec rake jasmine' do
  watch(%r{spec/javascripts/support/*})
end

JASMINE_HOST = '127.0.0.1'
JASMINE_PORT = '8888'
JASMINE_URL = "http://#{JASMINE_HOST}:#{JASMINE_PORT}/"

Thread.new do
  require 'socket'

  puts "\nWaiting for Jasmine to accept connections on #{JASMINE_URL}..."
  wait_for_open_connection(JASMINE_HOST, JASMINE_PORT)
  puts "Jasmine is now ready to accept connections; change a file or press ENTER run your suite."
  puts "You can also view and run specs by visiting:"
  puts JASMINE_URL

  guard 'jasmine', :jasmine_url => JASMINE_URL do
    watch(%r{app/assets/javascripts/(.+)\.(js\.coffee|js)}) { |m| "spec/javascripts/#{m[1]}_spec.#{m[2]}" }
    watch(%r{public/javascripts/(.+)\.(js\.coffee|js)})     { |m| "spec/javascripts/#{m[1]}_spec.#{m[2]}" }
    watch(%r{spec/javascripts/(.+)_spec\.(js\.coffee|js)})  { |m| "spec/javascripts/#{m[1]}_spec.#{m[2]}" }
    watch(%r{spec/javascripts/spec\.(js\.coffee|js)})       { "spec/javascripts" }
  end
end

def wait_for_open_connection(host, port)
  while true
    begin
      TCPSocket.new(host, port).close
      return
    rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
    end
  end
end