class Rspec::Mocks::Mock

def ==(other)

target.
the comparison, we're sure the call gets delegated to the proxy
ActiveRecords belongs_to proxy objects. By making the other object run
This allows for comparing the mock to other objects that proxy such as 
def ==(other)
  other == __mock_proxy
end

def assign_stubs(stubs) 

def assign_stubs(stubs)
  stubs.each_pair do |message, response|
    stub!(message).and_return(response)
  end
end

def build_name_from_options(options) 

def build_name_from_options(options)
  vals = options.inject([]) {|coll, pair| coll << "#{pair.first}: #{pair.last.inspect}"}
  @name = '{' + vals.join(', ') + '}'
end

def initialize(name='mock', stubs_and_options={})

null object allowing any message to be sent to it.
* :null_object - if true, the mock object acts as a forgiving
only) == Options:
Creates a new mock with a +name+ (that will be used in error messages 
def initialize(name='mock', stubs_and_options={})
  if name.is_a?(Hash) && stubs_and_options.empty?
    stubs_and_options = name
    build_name_from_options stubs_and_options
  else
    @name = name
  end
  @options = parse_options(stubs_and_options)
  assign_stubs(stubs_and_options)
end

def inspect 

def inspect
  "#<#{self.class}:#{sprintf '0x%x', self.object_id} @name=#{@name.inspect}>"
end

def method_missing(sym, *args, &block) 

def method_missing(sym, *args, &block)
  __mock_proxy.record_message_received(sym, args, block)
  begin
    return self if __mock_proxy.null_object?
    super(sym, *args, &block)
  rescue NameError
    __mock_proxy.raise_unexpected_message_error sym, *args
  end
end

def parse_options(options) 

def parse_options(options)
  options.has_key?(:null_object) ? {:null_object => options.delete(:null_object)} : {}
end

def to_s 

def to_s
  inspect.gsub('<','[').gsub('>',']')
end