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from django.contrib.auth.middleware import AuthenticationMiddleware
from django.contrib.auth.models import User
from django.core.exceptions import ImproperlyConfigured
from django.http import HttpRequest, HttpResponse
from django.test import TestCase
class TestAuthenticationMiddleware(TestCase):
@classmethod
def setUpTestData(cls):
cls.user = User.objects.create_user(
"test_user", "test@example.com", "test_password"
)
def setUp(self):
self.middleware = AuthenticationMiddleware(lambda req: HttpResponse())
self.client.force_login(self.user)
self.request = HttpRequest()
self.request.session = self.client.session
def test_no_password_change_doesnt_invalidate_session(self):
self.request.session = self.client.session
self.middleware(self.request)
self.assertIsNotNone(self.request.user)
self.assertFalse(self.request.user.is_anonymous)
def test_changed_password_invalidates_session(self):
# After password change, user should be anonymous
self.user.set_password("new_password")
self.user.save()
self.middleware(self.request)
self.assertIsNotNone(self.request.user)
self.assertTrue(self.request.user.is_anonymous)
# session should be flushed
self.assertIsNone(self.request.session.session_key)
def test_no_session(self):
msg = (
"The Django authentication middleware requires session middleware "
"to be installed. Edit your MIDDLEWARE setting to insert "
"'django.contrib.sessions.middleware.SessionMiddleware' before "
"'django.contrib.auth.middleware.AuthenticationMiddleware'."
)
with self.assertRaisesMessage(ImproperlyConfigured, msg):
self.middleware(HttpRequest())
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