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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.
management.call_command("migrate", interactive=False, verbosity=0)
# 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)
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