unit_test_1.py

from django.test import TestCase
from django.utils.importlib import import_module
from django.http import HttpRequest
from django.conf import settings

class SampleTest(TestCase):
    def setUp(self):
        # Create mock request object with session key
        engine = import_module(settings.SESSION_ENGINE)
        request = HttpRequest()
        request.session = engine.SessionStore()
        request.session['somekey'] = 'somevalue'
        request.session.session_key = 'session_key_from_model_object?'