it "should know one another" do
  # Code in the cdb block is executed if and only if it hasn't already been run.
  cdb do
    p1, p2 = Player.stock(:name => "p1"), Player.stock(:name => "p2")
    p1.acquaint p2
  end
  p1.should know(p2) # p1 and p2 are methods that load players by names p1 and p2
  p2.should know(p1)
end