django/tests/regressiontests/swappable_models/tests.py

47 lines
1.9 KiB
Python

from __future__ import absolute_import, unicode_literals
from django.utils.six import StringIO
from django.contrib.auth.models import Permission
from django.contrib.contenttypes.models import ContentType
from django.core import management
from django.db.models.loading import cache
from django.test import TestCase
from django.test.utils import override_settings
class SwappableModelTests(TestCase):
def setUp(self):
# This test modifies the installed apps, so we need to make sure
# we're not dealing with a cached app list.
cache._get_models_cache.clear()
def tearDown(self):
# By fiddling with swappable models, we alter the installed models
# cache, so flush it to make sure there are no side effects.
cache._get_models_cache.clear()
@override_settings(TEST_ARTICLE_MODEL='swappable_models.AlternateArticle')
def test_generated_data(self):
"Permissions and content types are not created for a swapped model"
# Delete all permissions and content_types
Permission.objects.all().delete()
ContentType.objects.all().delete()
# Re-run syncdb. This will re-build the permissions and content types.
new_io = StringIO()
management.call_command('syncdb', load_initial_data=False, interactive=False, stdout=new_io)
# Check that content types and permissions exist for the swapped model,
# but not for the swappable model.
apps_models = [(p.content_type.app_label, p.content_type.model)
for p in Permission.objects.all()]
self.assertIn(('swappable_models', 'alternatearticle'), apps_models)
self.assertNotIn(('swappable_models', 'article'), apps_models)
apps_models = [(ct.app_label, ct.model)
for ct in ContentType.objects.all()]
self.assertIn(('swappable_models', 'alternatearticle'), apps_models)
self.assertNotIn(('swappable_models', 'article'), apps_models)