class ActiveRecord::Validations::AssociatedValidator

:nodoc:

def valid_object?(record) 

def valid_object?(record)
  (record.respond_to?(:marked_for_destruction?) && record.marked_for_destruction?) || record.valid?
end

def validate_each(record, attribute, value)

:nodoc: 
def validate_each(record, attribute, value)
  if Array(value).reject { |r| valid_object?(r) }.any?
    record.errors.add(attribute, :invalid, **options.merge(value: value))
  end
end