sample.config

selenium.browser.name=*firefox
selenium.port=4444

user_config.rb

class UserConfig
  def initialize
    @config = {}
    basepath = File.join(File.dirname(__FILE__),"..","..","..")
    # COMPUTERNAME works on Windows, and as a manual override
    hostname = ENV["COMPUTERNAME"] || `hostname`
    propfile = "#{basepath}/config/#{hostname.strip}.properties"
    throw "No properties file '#{propfile}'" unless File.exists? propfile
    File.open(propfile, 'r') do |properties_file|
      properties_file.each_line do |line|
        line.strip! if line
        next if (line.length == 0 || line[0] == ?# || line[0] == ?=)
        parts = line.split('=',2)
        key = parts[0].strip
        raise "duplicate properties key: #{key}" if @config.has_key? key
        if parts.length == 2
          @config[key] = parts[1].strip
        else
          @config[key] = ''
        end
      end
    end
  end
  def [](key)
    @config[key]
  end
  def has_key?(key)
    @config.has_key? key
  end
end