text: from nose.tools import *
  from ex47.game import Room
  
  
  def test_room():
      gold = Room("GoldRoom",
                  """This room has gold in it you can grab. There's a
                  door to the north.""")
      assert_equal(gold.name, "GoldRoom")
      assert_equal(gold.paths, {})
  
  def test_room_paths():
      center = Room("Center", "Test room in the center.")
      north = Room("North", "Test room in the north.")
      south = Room("South", "Test room in the south.")
  
      center.add_paths({'north': north, 'south': south})
      assert_equal(center.go('north'), north)
      assert_equal(center.go('south'), south)
  
  def test_map():
      start = Room("Start", "You can go west and down a hole.")
      west = Room("Trees", "There are trees here, you can go east.")
      down = Room("Dungeon", "It's dark down here, you can go up.")
  
      start.add_paths({'west': west, 'down': down})
      west.add_paths({'east': start})
      down.add_paths({'up': start})
  
      assert_equal(start.go('west'), west)
      assert_equal(start.go('west').go('east'), start)
      assert_equal(start.go('down').go('up'), start)
  
  