On Jul 21, 2009, at 7:18 AM, Cs Webgrl wrote:
>
> I have done many variations of this code. Essentially I want this
> to be
> true.
>
>
> assert_equal '', Org.field_for(nil).display
You've overridden it so I doubt this is the problem, but display is a
built-in method at a very basic level (somewhere near inspect) so
maybe that's messing you up in case you aren't overriding it correctly.
> This is a polymorphic relationship.
>
> fieldable.rb
> ============
>
> def field_for(purpose)
> self.fields.find(
> :first,
> :conditions => ["purpose LIKE ?", "#{purpose}"],
Are you sure you didn't mean ["purpose LIKE ?", purpose] There's no
reason to quote the second argument. Although I don't know what Rails
does when you pass in nil to conditions like that. Maybe it doesn't
like that.
> :order => 'position asc')
> end # def
>
>
>
> field.rb
> ========
> def display
> str = ""
> field.to_s unless search.blank?
> str
> end
>
>
> Can someone help tell me what I'm doing wrong and why I can't
> produce an
> empty string? I had thought that nil.to_s created an empty string,
> but
> just writing the following didn't work either.
It does.
>> nil.to_s
=> ""
So, something else is wrong somewhere...
>
> def display
> field.to_s
> end
>
>
> Thanks!
> --
> Posted via http://www.ruby-forum.com/.
>
> >
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