[rspec-users] Stubbing #javascript_include_tag in a helper spec

[David Chelimsky]

On Fri, Oct 31, 2008 at 5:26 PM, Nick Hoffman <nick at deadorange.com> wrote:
> When writing specs for a helper method, how do you set an expectation for
> #javascript_include_tag ?
>
> describe NeighbourhoodsHelper do
>  describe '#initialise_map' do
>    it 'should include the "foo" JS file' do
>      # expectation here
>      helper.foobar
>    end
>  end
> end
>
> I've tried replacing "# expectation here" with the following, but none of
> them result in the desired behaviour:
>
> ActionView::Helpers::AssetTagHelper.should_receive :javascript_include_tag
> @controller.should_receive :javascript_include_tag
> @controller.instance_eval { @template }.should_receive
> :javascript_include_tag

Assuming that you intend to have a helper method that calls out to
javascript_include_tag, then:

  helper.should_receive :javascript_include_tag

Let us know if that works for you.

> Thanks!
> Nick