I suffered this. I was very annoyed because Rails was rendering nothing. Then I realized I was passing an empty array and I remembered this issue!
+1 El Sábado, 23 de Octubre de 2010 23:05:06 Eugene M. Magdel escribió: > Had the same problem! Thanks for reporting! > > On Sep 30, 1:28 pm, James MacAulay <[email protected]> wrote: > > This code does not work the same way as it did in 2.x: > > > > render :partial => "things", :object => ['foo', 'bar', 'baz'] > > > > In 2.x, the "things" partial would be rendered once with a local > > variable called "things" storing the given array. > > > > In 3.0.0 (and edge), the Action View assumes that you really > > meant :collection => ['foo', 'bar', 'baz'], so it iterates through the > > array and renders the partial once with each element. It will do this > > for any object which responds to to_ary. > > > > I really think this is a case of Rails being too clever for its own > > good. The difference in behaviour between the :object and :collection > > options is large enough that this makes for a big break in > > expectations. If someone wants the :collection behaviour, they should > > use :collection. > > > > (FWIW, an easy workaround is to pass the array into :locals, which > > people should probably be doing for arrays 99% of the time anyway, but > > silently assuming they meant :collection is not the way to encourage > > that behaviour.) > > > > The relevant change to the code is more than a year old now (commit > > d0301e1) but I couldn't find any discussion about the change and the > > tests don't seem to assert anything about it either way. If it's > > really the behaviour we want, then it should be tested and documented. > > I can make a patch in either case. > > > > -James -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en.
