from unittest import mock from django.contrib import admin from django.contrib.auth.admin import UserAdmin from django.contrib.auth.models import User from django.db import connections from django.test import TestCase, override_settings from django.urls import path, reverse class Router: target_db = None def db_for_read(self, model, **hints): return self.target_db db_for_write = db_for_read site = admin.AdminSite(name='test_adminsite') site.register(User, admin_class=UserAdmin) urlpatterns = [ path('admin/', site.urls), ] @override_settings(ROOT_URLCONF=__name__, DATABASE_ROUTERS=['%s.Router' % __name__]) class MultiDatabaseTests(TestCase): databases = {'default', 'other'} @classmethod def setUpTestData(cls): cls.superusers = {} for db in connections: Router.target_db = db cls.superusers[db] = User.objects.create_superuser( username='admin', password='something', email='test@test.org', ) @mock.patch('django.contrib.auth.admin.transaction') def test_add_view(self, mock): for db in connections: with self.subTest(db_connection=db): Router.target_db = db self.client.force_login(self.superusers[db]) self.client.post(reverse('test_adminsite:auth_user_add'), { 'username': 'some_user', 'password1': 'helloworld', 'password2': 'helloworld', }) mock.atomic.assert_called_with(using=db)