server.rb

module UWChat
  class Server

    # ...

    # load commands located in lib/uwchat/commands
    def load_commands
      # need to make this recurse the directory instead of loading one file  
      load File.join( File.dirname(__FILE__), 'commands/quit_command.rb' )
    end

  end
end

server_command.rb

require 'uwchat'

module UWChat
  class ServerCommand
     # ...
  end
end

server_command_spec.rb

require 'uwchat'

describe UWChat::ServerCommand do
  describe "Class Structure" do
    it "should have required elements" do

      UWChat::ServerCommand.should be_true

      class TestCommand < UWChat::ServerCommand; end

      TestCommand.respond_to?( :when_run ).should be_true
      TestCommand.respond_to?( :command ).should be_true
      TestCommand.respond_to?( :description ).should be_true
    end
  end
end

uwchat.rb

require 'uwchat/server_command'