On Oct 19, 2009, at 2:12 PM, iain wrote:

Hi all!

I'm testing some named scopes. I use be_all(&:some_predicate) to test
if all the elements in the collection are valid, which works, but when
I try to test the inverse, it fails.

You can see the complete code at: http://gist.github.com/213636

But in short:

subject = User.active
subject.should be_all(&:active) # works

inverse = User.all - subject
inverse.none?(&:active).should be_true # works
inverse.should be_none(&:active) # doesn't work

And also "inverse.should_not be_any(&:active)" doesn't work either

And I cannot figure out why. The RDoc of rspec or rspec-rails don't
mention be_none or be_any, so I would think that this would be
straightforward. Anyone any ideas?

I'm not certain, but I _think_ that the problem is the way you're setting up the factories. Try just creating the objects directly and see what happens:

http://gist.github.com/215201

HTH,
David




Thanks in advance,
Iain - iain.nl
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Cheers,
David



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