#26381: UserCreationForm cannot be reused with a custom USERNAME_FIELD value
------------------------------+--------------------
Reporter: berkerpeksag | Owner: nobody
Type: Bug | Status: new
Component: contrib.auth | Version: 1.9
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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I noticed this while working on #25617. If you have a custom user model
with `USERNAME_FIELD = 'email'`, you can't just subclass
`UserCreationForm`.
Here is a test case:
{{{
diff --git a/tests/auth_tests/test_forms.py
b/tests/auth_tests/test_forms.py
index 6172c44..1d4cd48 100644
--- a/tests/auth_tests/test_forms.py
+++ b/tests/auth_tests/test_forms.py
@@ -20,7 +20,7 @@ from django.utils.encoding import force_text
from django.utils.text import capfirst
from django.utils.translation import ugettext as _
-from .models.custom_user import ExtensionUser
+from .models.custom_user import CustomUser, ExtensionUser
from .settings import AUTH_TEMPLATES
@@ -139,6 +139,22 @@ class UserCreationFormTest(TestDataMixin, TestCase):
form = CustomUserCreationForm(data)
self.assertTrue(form.is_valid())
+
@override_settings(AUTH_MODEL='auth_tests.models.custom_user.CustomUser')
+ def test_custom_form_with_different_username_field(self):
+ class CustomUserCreationForm(UserCreationForm):
+ class Meta(UserCreationForm.Meta):
+ model = CustomUser
+ fields = ('email', 'date_of_birth')
+
+ data = {
+ 'email': '[email protected]',
+ 'password1': 'testclient',
+ 'password2': 'testclient',
+ 'date_of_birth': '1988-02-24',
+ }
+ form = CustomUserCreationForm(data)
+ self.assertTrue(form.is_valid())
+
def test_password_whitespace_not_stripped(self):
data = {
'username': 'testuser',
}}}
And here is the traceback:
{{{
Traceback (most recent call last):
File "/home/berker/projects/django/django/test/utils.py", line 208, in
inner
return func(*args, **kwargs)
File "/home/berker/projects/django/tests/auth_tests/test_forms.py", line
155, in test_custom_form_with_different_username_field
form = CustomUserCreationForm(data)
File "/home/berker/projects/django/django/contrib/auth/forms.py", line
85, in __init__
self.fields['username'].widget.attrs.update({'autofocus': ''})
KeyError: u'username'
}}}
I will open a oull request to fix this shortly.
--
Ticket URL: <https://code.djangoproject.com/ticket/26381>
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