class Selenium::Server

def initialize(jar, opts = {})
  raise Errno::ENOENT, jar unless File.exist?(jar)
  @jar        = jar
  @host       = '127.0.0.1'
  @port       = opts.fetch(:port, 4444)
  @timeout    = opts.fetch(:timeout, 30)
  @background = opts.fetch(:background, false)
  @log        = opts[:log]
  @additional_args = []
end