Watchr file for use with spork, rails, rspec2 and growl

watchr_rspec.rb

# sometimes watchr freaks out when you view this file in textmate (hits timestamp?)
# ie: it prints "Watching..." over and over
# just hit Ctrl-\ to run all tests and it calms down

ENV["WATCHR"] = "1"
puts "Watching..."

def growl(result)
  result_lines = result.split("\n")
  message = result_lines[result_lines.size - 1]
  growlnotify = `which growlnotify`.chomp
  title = "Watchr Test Results"
  passed = message.include?('0 failures')
  image = passed ? "~/.watchr_images/passed.png" : "~/.watchr_images/failed.png"
  severity = passed ? "-1" : "1"
  options = "-w -n Watchr --image '#{File.expand_path(image)}'"
  options << " -m '#{message}' '#{title}' -p #{severity}"
  system %(#{growlnotify} #{options} &)
end

def run(cmd)
  puts(cmd)
  `time #{cmd}`
end

def run_all_tests
  system('clear')
  result = run "rake spec"
  growl result rescue nil
  puts result
end

def run_suite
  run_all_tests
end

def run_spec(file)
  unless File.exist?(file)
    puts "#{file} does not exist"
    return
  end
  result = run("rspec #{file}")
  growl result rescue nil
  puts result
end

watch("spec/.*/*_spec\.rb") do |match|
  run_spec match[0]
end

watch("app/(.*/.*)\.rb") do |match|
  run_spec %{spec/#{match[1]}_spec.rb}
end

# Ctrl-\
Signal.trap 'QUIT' do
  puts " --- Running all tests ---\n\n"
  run_all_tests
end

@interrupted = false

# Ctrl-C
Signal.trap 'INT' do
  if @interrupted then
    @wants_to_quit = true
    abort("\n")
  else
    puts "Interrupt a second time to quit"
    @interrupted = true
    Kernel.sleep 1.5
    # raise Interrupt, nil # let the run loop catch it
    run_suite
  end
end