test.py

from django.test import TestCase
from models import App
from my_api import api

class ResourceUriTestCase(TestCase):
    urls = 'path.to.api.urls'

    def test_uri_uses_the_uuid(self):
        uuid = new_uuid()

        model = App(id=uuid)
        resource = api.canonical_resource_for('app')
        uri = resource.get_resource_uri(model)

        self.assertEqual(uri, '/api/v1/app/%s/' % uuid)