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"""
XX. Proxy model inheritance

Proxy model inheritance across apps can result in syncdb not creating the table
for the proxied model (as described in #12286).  This test creates two dummy
apps and calls syncdb, then verifies that the table has been created.
"""

import os
import sys

from django.conf import settings
from django.core.management import call_command
from django.db.models.loading import load_app
from django.test import TransactionTestCase

class ProxyModelInheritanceTests(TransactionTestCase):

    def setUp(self):
        self.old_sys_path = sys.path[:]
        sys.path.append(os.path.dirname(os.path.abspath(__file__)))
        self.old_installed_apps = settings.INSTALLED_APPS
        settings.INSTALLED_APPS = ('app1', 'app2')
        map(load_app, settings.INSTALLED_APPS)
        call_command('syncdb', verbosity=0)
        global ProxyModel, NiceModel
        from app1.models import ProxyModel
        from app2.models import NiceModel

    def tearDown(self):
        settings.INSTALLED_APPS = self.old_installed_apps
        sys.path = self.old_sys_path

    def test_table_exists(self):
        self.assertEqual(NiceModel.objects.all().count(), 0)
        self.assertEqual(ProxyModel.objects.all().count(), 0)