[rspec-users] variable strange change

David Chelimsky dchelimsky at gmail.com
Wed Sep 15 09:22:42 EDT 2010


On Wed, Sep 15, 2010 at 3:19 AM, Zhenning Guan <lists at ruby-forum.com> wrote:
> class User
>  has_many :mads
>
>  def mad
>    Mad.find_by_user_id(id)
>  end
> end
>
> class God
>  belongs_to :mad
>  belongs_to :user
>  belongs_to :sender, :class_name => "User", :foreign_key => "sender_id"
>
>  def strange_change!
>    God.transaction do
>      puts mad.nil?    #the first time put is false
>      if mad.nil?
>        puts 'some thing exctue here'           #no puts anything
>        mad = you.mad
>      end
>      puts mad.nil?    #the second time put is true
>    end
>  end
> end
>
> why the mad will become nil?

Seems like a Rails question, not an RSpec question. Please post Rails
questions to http://groups.google.com/group/rubyonrails-talk.

Cheers,
David


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