from unittest import mock from django.contrib import admin from django.contrib.auth.models import User from django.test import TestCase, override_settings from django.urls import path, reverse from .models import Book 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(Book) 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 = {} cls.test_book_ids = {} for db in cls.databases: Router.target_db = db cls.superusers[db] = User.objects.create_superuser( username='admin', password='something', email='test@test.org', ) b = Book(name='Test Book') b.save(using=db) cls.test_book_ids[db] = b.id @mock.patch('django.contrib.admin.options.transaction') def test_add_view(self, mock): for db in self.databases: with self.subTest(db=db): Router.target_db = db self.client.force_login(self.superusers[db]) self.client.post( reverse('test_adminsite:admin_views_book_add'), {'name': 'Foobar: 5th edition'}, ) mock.atomic.assert_called_with(using=db) @mock.patch('django.contrib.admin.options.transaction') def test_change_view(self, mock): for db in self.databases: with self.subTest(db=db): Router.target_db = db self.client.force_login(self.superusers[db]) self.client.post( reverse('test_adminsite:admin_views_book_change', args=[self.test_book_ids[db]]), {'name': 'Test Book 2: Test more'}, ) mock.atomic.assert_called_with(using=db) @mock.patch('django.contrib.admin.options.transaction') def test_delete_view(self, mock): for db in self.databases: with self.subTest(db=db): Router.target_db = db self.client.force_login(self.superusers[db]) self.client.post( reverse('test_adminsite:admin_views_book_delete', args=[self.test_book_ids[db]]), {'post': 'yes'}, ) mock.atomic.assert_called_with(using=db)