Refs #21379, #26719 -- Moved username normalization to AbstractBaseUser.

Thanks Huynh Thanh Tam for the initial patch and Claude Paroz for review.

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/auth_tests/test_models.py b/tests/auth_tests/test_models.py
index 1f9edbc77c..7967306c43 100644
--- a/tests/auth_tests/test_models.py
+++ b/tests/auth_tests/test_models.py
@@ -1,3 +1,6 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
 from django.conf.global_settings import PASSWORD_HASHERS
 from django.contrib.auth import get_user_model
 from django.contrib.auth.hashers import get_hasher
@@ -143,6 +146,21 @@ class UserManagerTestCase(TestCase):
             )
 
 
+class AbstractBaseUserTests(TestCase):
+
+    def test_clean_normalize_username(self):
+        # The normalization happens in AbstractBaseUser.clean()
+        ohm_username = 'iamtheΩ'  # U+2126 OHM SIGN
+        for model in ('auth.User', 'auth_tests.CustomUser'):
+            with self.settings(AUTH_USER_MODEL=model):
+                User = get_user_model()
+                user = User(**{User.USERNAME_FIELD: ohm_username, 'password': 'foo'})
+                user.clean()
+                username = user.get_username()
+                self.assertNotEqual(username, ohm_username)
+                self.assertEqual(username, 'iamtheΩ')  # U+03A9 GREEK CAPITAL LETTER OMEGA
+
+
 class AbstractUserTestCase(TestCase):
     def test_email_user(self):
         # valid send_mail parameters