watchr for test unit

test.watchr.rb

#!/usr/bin/env ruby

def method_missing(meth, *args, &block)
  if meth.to_s =~ /^run_(.+)$/
    system 'clear'
    system "rake test:#{$1}"
  else
    super
  end
end

def clear
  system "clear"
end

watch('test/unit/.*_test.rb')  {|md| run_units md[0] }

watch('test/functional/.*_test.rb')  {|md| run_functionals md[0] }