django-configurations/tests/test_env.py

import os
from django.test import TestCase
from mock import patch


class DotEnvLoadingTests(TestCase):

    @patch.dict(os.environ, clear=True,
            DJANGO_CONFIGURATION='DotEnvConfiguration',
            DJANGO_SETTINGS_MODULE='tests.settings.dot_env')
    def test_env_loaded(self):
        from tests.settings import dot_env
        self.assertTrue(dot_env.DOT_ENV_LOADED)