Re: intercept calls to reverse(..) in tests

On Wednesday, 7 September 2011 07:49:00 UTC+1, Reikje wrote:

Hi, I have a bunch of WebTest's which are using the reverse method
from django.core.urlresolvers to resolve a URL which the test should
call. Example:

url = reverse('webapp_home')
form = self.app.get(url).form

Now I need to add a query parameter to every url. This is to mimic a
Facebook request which will always have the signed_request query
parameter. So in theory I could just do this:

url = reverse('webapp_home') + "?
signed_request=vlXgu64BQGFSQrY0ZcJBZASMvYvTHu9GQ0YM9rjPSso.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsIjAiOiJwYXlsb2FkIn0"
form = self.app.get(url).form

This is an example of a signed_request from the Facebook
documentation. Since, I am a bit lazy, is there a way to sort of
intercept all calls to reverse and add the signed_request parameter
every time?

You probably just want to monkeypatch urlresolvers.reverse in your test setUp methods. Something like this would probably work.

    from django.core import urlresolvers

    reverse_original = urlresolvers.reverse

    def reverse(*args, **kwargs):

        url = reverse_original(*args, **kwargs)

        url += whatever_you_want_to_add

        return url

    urlresolvers.reverse = reverse

--

DR.

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