Saturday, April 18, 2015

Testing request parameters in Django (“+” behaves differently)

Previously posted in SO: http://stackoverflow.com/questions/29703930/testing-request-parameters-in-django-behaves-differently
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I have a Django View that uses a query parameter to so some content filtering. Something like this:

/page/?filter=one+and+two  /page/?filter=one,or,two

I have noticed that Django converts the + to a space (request.GET.get('filter') returns one and two), and I´m OK with that. I just need to adjust the split() function I use in the View accordingly.

But...

When I try to test this View, and I call:

from django.test import Client  client = Client()  client.get('/page/', {'filter': 'one+and+two'})

request.GET.get('filter') returns one+and+two: with plus signs and no spaces. Why is this?

I would like to think that Client().get() mimics the browser behaviour, so what I would like to understand is why calling client.get('/page/', {'filter': 'one+two+three'}) is not like browsing to /page/?filter=one+and+two. For testing purposes it should be the same in my opinion, and in both cases the view should receive a consistent value for filter: be it with + or with spaces. What I don´t get is why there are two different behaviours.

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