"""

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, 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.assertEquals(NiceModel.objects.all().count(), 0)

        self.assertEquals(ProxyModel.objects.all().count(), 0)