django/tests/swappable_models/tests.py

49 lines
1.9 KiB
Python

from io import StringIO
from django.contrib.auth.models import Permission
from django.contrib.contenttypes.models import ContentType
from django.core import management
from django.test import TestCase, override_settings
from .models import Article
class SwappableModelTests(TestCase):
# Limit memory usage when calling 'migrate'.
available_apps = [
'swappable_models',
'django.contrib.auth',
'django.contrib.contenttypes',
]
@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.filter(content_type__app_label='swappable_models').delete()
ContentType.objects.filter(app_label='swappable_models').delete()
# Re-run migrate. This will re-build the permissions and content types.
new_io = StringIO()
management.call_command('migrate', interactive=False, stdout=new_io)
# 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)
@override_settings(TEST_ARTICLE_MODEL='swappable_models.article')
def test_case_insensitive(self):
"Model names are case insensitive. Model swapping honors this."
Article.objects.all()
self.assertIsNone(Article._meta.swapped)