Views are normally (for good reason) not rendered in controller specs. If you need it to happen, use:

RSpec 1 (Rails 2):

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integrate_views Show archive.org snapshot

RSpec 2 (Rails 3):

render_views Show archive.org snapshot

Note that you can't use that inside it blocks but need to put it in the nesting example group, like this:

    describe '#update' do
      context 'when rendering views' do
        
        integrate_views
        
        it 'should not fail' do
          # This will detect errors that happen during view rendering as well:
          expect { put :update, :id => 23 }.to_not raise_error
        end

      end
    end

Wrap spec examples into their own "rendering" context so you don't render views for other specs that don't need it to happen.