Question

我有jnunemaker-validatable gem，因为我使用的是mongo-mapper，我发现我不能在for param上使用：validates_acceptance_of帮助器。它死于：

ArgumentError: invalid options: on
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/understandable.rb:27:in `must_understand'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/validations/validation_base.rb:47:in `initialize'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/validatable_class_methods.rb:66:in `new'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/validatable_class_methods.rb:66:in `add_validations'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/validatable_class_methods.rb:65:in `each'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/validatable_class_methods.rb:65:in `add_validations'
    from /opt/local/lib/ruby/gems/1.8/gems/jnunemaker-validatable-1.8.4/lib/validatable/macros.rb:119:in `validates_acceptance_of'

有什么想法吗？有人有解决方法吗？我会将这个问题发送给项目，但我找不到与之交互的方法（没有论坛/ bugtracker /等）。

谢谢！汤姆

Answer 1

我建议升级到mongomapper v0.9.1，它使用ActiveRecord :: Validations而不是不支持：on选项的Validatable gem。

如果您想与项目进行互动，您可以考虑询问mongomapper google群组：http://groups.google.com/group/mongomapper或者可能只是在可验证的gem github项目中提交错误：https://github.com/jnunemaker/validatable但是我希望你得到一个类似的回复，敦促你升级到最新版本的MongoMapper。

jnunemaker-validatable从validates_acceptance_of中删除“on”参数

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