class Minitest::Mock
def expect name, retval, args = [], &blk
def expect name, retval, args = [], &blk name = name.to_sym if block_given? raise ArgumentError, "args ignored when block given" unless args.empty? @expected_calls[name] << { :retval => retval, :block => blk } else raise ArgumentError, "args must be an array" unless Array === args @expected_calls[name] << { :retval => retval, :args => args } end self end