class Shoulda::Matchers::ActiveRecord::Uniqueness::Model

def self.next_unique_copy_of(model_name, namespace)
  model = new(model_name, namespace)
  while model.already_exists?
    model = model.next
  end
  model
end

def already_exists?
  namespace.has?(name)
end

def initialize(name, namespace)
  @name = name
  @namespace = namespace
end

def next
  Model.new(name.next, namespace)
end

def symlink_to(parent)
  table_name = parent.table_name
  new_class = Class.new(parent) do
    define_singleton_method :table_name do
      table_name
    end
    define_singleton_method :base_class do
      self
    end
  end
  namespace.set(name, new_class)
end

def to_s
  [namespace, name].join('::')
end