def register(method_name_or_callback, options=nil)
options ||= {}
unless valid_register_options?(options)
message = "must be {:before => :prepend}, " +
"{:before => :append}, {:after => :prepend} or " +
"{:after => :append}: #{options.inspect}"
raise ArgumentError, message
end
if options.empty?
options = @default_options
end
before_how = options[:before]
after_how = options[:after]
if method_name_or_callback.respond_to?(:call)
callback = method_name_or_callback
method_name = callback_method_name(callback)
@test_case.attribute(:source_location,
callback.source_location,
method_name)
@test_case.__send__(:define_method, method_name, &callback)
else
method_name = method_name_or_callback
end
add_callback(method_name, before_how, after_how)
end