A useful Django test assertion for testing auth based on http://stackoverflow.com/questions/5660952/test-that-user-was-logged-in-successfully

assert_logged_in.py

from django.test import TestCase
from django.contrib import auth

class BaseAuthTestCase(TestCase):
  
  def assertLoggedInAs(self, user):
      client_user = auth.get_user(self.client)
      self.assertEqual(client_user, user)
      assert client_user.is_authenticated()