I will belatedly add my weight to this topic and maybe we can come up
with a bug to be ticketed with examples between us.

@mcrawford: I believe you are trying to apply the validate rule to the
wrong model as the fields for the join table do not exist in your
Question model, hence it will never try to validate them.

What I have done in the past is add the rules to the join model within
the beforeFilter() of the model I am saving the data from.

function beforeFilter() {
  parent::beforeFilter();
  $this->SavingModel->JoinModel->validate = array(
    'JoinModel' => array(
      'rule' => array('multiple', array('min'=>1)),
      'message' => 'Select one or more options'
    )
  );
}

However saveAll's validate logic does not seem to check for habtm
validate rules as I have mentioned in an earlier post

http://groups.google.com/group/cake-php/browse_thread/thread/3390943040e2ded9/5db36a67bbcedae7

This unfortunately got hijacked from people telling me to learn how to
use 'multiple rules' even though I kept telling them I was after
information on using the 'core multiple rule' (the title of the topic
even gave the correct cookbook page - DOH!).

I assume no-one from the dev team looked at that topic as I kept
asking someone with more knowledge to try and shed some light but no-
one did.

The hack I used to resolve the issue is in the above topic and after
recently upgrading to 1.2.5 stable I can see this hack is still needed
so I think we'll have to make Cake aware of this ... otherwise how
will they ever be able to resolve it.

I have never opened a ticket before and see a lot of them get knocked
back due to poor test cases and stuff, anyone reading this got
experience of raising good tickets or know of a guide which would
advise me on how to do it?
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