django1/tests/invalid_models_tests/test_deprecated_fields.py

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from django.core import checks
from django.db import models
from django.test import SimpleTestCase
from django.test.utils import isolate_apps
@isolate_apps('invalid_models_tests')
class DeprecatedFieldsTests(SimpleTestCase):
def test_IPAddressField_deprecated(self):
class IPAddressModel(models.Model):
ip = models.IPAddressField()
model = IPAddressModel()
self.assertEqual(
model.check(),
[checks.Error(
'IPAddressField has been removed except for support in '
'historical migrations.',
hint='Use GenericIPAddressField instead.',
obj=IPAddressModel._meta.get_field('ip'),
id='fields.E900',
)],
)