maartenvanvliet/moneybird

require 'set'

process do |file, flags|
  test_files = Set.new
  case file
  when %r(^spec/.*_spec.rb$)
    test_files << file
  when %r(^lib/(.*).rb)
    test_files << 'spec/lib/' + $1 + '_spec.rb'
  end

  test_files = test_files.select { |filename| File.exist?(filename) }

  unless test_files.empty?
    watcher.execute("rake test TEST=#{test_files.to_a.join(' ')}")
  end
end