django/tests/model_meta/test_removedindjango21.py

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import warnings
from django.test import SimpleTestCase
from .models import Person
class HasAutoFieldTests(SimpleTestCase):
def test_get_warns(self):
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always')
Person._meta.has_auto_field
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
'Model._meta.has_auto_field is deprecated in favor of checking if '
'Model._meta.auto_field is not None.',
)
def test_set_does_nothing(self):
Person._meta.has_auto_field = True