mirror of
https://github.com/django/django.git
synced 2024-12-25 18:46:22 +00:00
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
from __future__ import absolute_import, unicode_literals
|
|
|
|
import os
|
|
|
|
from django.core.management import call_command
|
|
from django.test import TestCase, TransactionTestCase
|
|
from django.test.utils import override_system_checks, extend_sys_path
|
|
from django.utils._os import upath
|
|
|
|
from .models import (ConcreteModel, ConcreteModelSubclass,
|
|
ConcreteModelSubclassProxy)
|
|
|
|
|
|
class ProxyModelInheritanceTests(TransactionTestCase):
|
|
"""
|
|
Proxy model inheritance across apps can result in migrate not creating the table
|
|
for the proxied model (as described in #12286). This test creates two dummy
|
|
apps and calls migrate, then verifies that the table has been created.
|
|
"""
|
|
available_apps = []
|
|
|
|
# `auth` app is imported, but not installed in this test, so we need to
|
|
# exclude checks registered by this app.
|
|
@override_system_checks([])
|
|
def test_table_exists(self):
|
|
with extend_sys_path(os.path.dirname(os.path.abspath(upath(__file__)))):
|
|
with self.modify_settings(INSTALLED_APPS={'append': ['app1', 'app2']}):
|
|
call_command('migrate', verbosity=0)
|
|
from app1.models import ProxyModel
|
|
from app2.models import NiceModel
|
|
self.assertEqual(NiceModel.objects.all().count(), 0)
|
|
self.assertEqual(ProxyModel.objects.all().count(), 0)
|
|
|
|
|
|
class MultiTableInheritanceProxyTest(TestCase):
|
|
|
|
def test_model_subclass_proxy(self):
|
|
"""
|
|
Deleting an instance of a model proxying a multi-table inherited
|
|
subclass should cascade delete down the whole inheritance chain (see
|
|
#18083).
|
|
"""
|
|
instance = ConcreteModelSubclassProxy.objects.create()
|
|
instance.delete()
|
|
self.assertEqual(0, ConcreteModelSubclassProxy.objects.count())
|
|
self.assertEqual(0, ConcreteModelSubclass.objects.count())
|
|
self.assertEqual(0, ConcreteModel.objects.count())
|