Fixed #26401 -- Added BaseAuthConfig to use auth without migrations.

tests/auth_tests/test_apps.py

@@ -0,0 +1,61 @@
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+import unittest
+
+from django.db import ConnectionHandler
+
+SETTINGS = """
+SECRET_KEY = 'django_auth_tests_secret_key'
+
+INSTALLED_APPS = [
+    'django.contrib.auth.apps.BaseAuthConfig',
+    'django.contrib.contenttypes',
+]
+
+MIGRATION_MODULES = {'auth': None}
+
+DATABASES = %(databases)r
+"""
+
+
+class AppConfigTests(unittest.TestCase):
+    def test_no_migrations(self):
+        project_path = tempfile.mkdtemp()
+        try:
+            databases = {
+                'default': {
+                    'ENGINE': 'django.db.backends.sqlite3',
+                    'NAME': os.path.join(project_path, 'db.sqlite3'),
+                }
+            }
+
+            with open(os.path.join(project_path, 'no_migrations.py'), 'w') as fp:
+                fp.write(SETTINGS % {'databases': databases})
+
+            with open(os.devnull, 'wb') as devnull:
+                cmd = [
+                    sys.executable,
+                    '-m', 'django',
+                    'migrate',
+                    '--settings', 'no_migrations',
+                    '--pythonpath', project_path,
+                ]
+                returncode = subprocess.call(cmd, stdout=devnull, stderr=devnull)
+
+            # Migrate command ran without errors.
+            self.assertEqual(returncode, 0)
+
+            # Auth tables weren't created.
+            conns = ConnectionHandler(databases)
+            try:
+                self.assertEqual(
+                    set(conns['default'].introspection.table_names()),
+                    {'django_content_type', 'django_migrations'},
+                )
+            finally:
+                conns.close_all()
+        finally:
+            shutil.rmtree(project_path)