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import sys
from types import ModuleType
from django.conf import (
DEFAULT_HASHING_ALGORITHM_DEPRECATED_MSG, Settings, settings,
)
from django.core.checks.security import base as security_base
from django.test import TestCase, ignore_warnings
from django.utils.deprecation import RemovedInDjango40Warning
class DefaultHashingAlgorithmDeprecationTests(TestCase):
msg = DEFAULT_HASHING_ALGORITHM_DEPRECATED_MSG
def test_override_settings_warning(self):
with self.assertRaisesMessage(RemovedInDjango40Warning, self.msg):
with self.settings(DEFAULT_HASHING_ALGORITHM='sha1'):
pass
def test_settings_init_warning(self):
settings_module = ModuleType('fake_settings_module')
settings_module.SECRET_KEY = 'foo'
settings_module.DEFAULT_HASHING_ALGORITHM = 'sha1'
sys.modules['fake_settings_module'] = settings_module
try:
with self.assertRaisesMessage(RemovedInDjango40Warning, self.msg):
Settings('fake_settings_module')
finally:
del sys.modules['fake_settings_module']
def test_access(self):
# Warning is not raised on access.
self.assertEqual(settings.DEFAULT_HASHING_ALGORITHM, 'sha256')
@ignore_warnings(category=RemovedInDjango40Warning)
def test_system_check_invalid_value(self):
tests = [
None,
256,
'invalid',
'md5',
'sha512',
]
for value in tests:
with self.subTest(value=value), self.settings(DEFAULT_HASHING_ALGORITHM=value):
self.assertEqual(
security_base.check_default_hashing_algorithm(None),
[security_base.E100],
)
@ignore_warnings(category=RemovedInDjango40Warning)
def test_system_check_valid_value(self):
for value in ['sha1', 'sha256']:
with self.subTest(value=value), self.settings(DEFAULT_HASHING_ALGORITHM=value):
self.assertEqual(security_base.check_default_hashing_algorithm(None), [])
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