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core/backend/apps/accounts/tests.py

@@ -1,6 +1,8 @@
 from decimal import Decimal
+from unittest.mock import patch
 
 from django.conf import settings
+from django.db import IntegrityError
 from django.test import TestCase
 from rest_framework.test import APIClient
 
@@ -103,6 +105,21 @@ class SingleDeviceLoginTests(TestCase):
         self.assertEqual(active.count(), 1)
         self.assertEqual(active.get().user_agent, "Device B")
 
+    def test_login_succeeds_when_device_audit_write_fails(self):
+        """设备审计表异常不能回滚已经签发的登录 Token。"""
+        with patch(
+            "apps.accounts.views.LoginSession.objects.create",
+            side_effect=IntegrityError("device audit unavailable"),
+        ):
+            response = APIClient().post(
+                "/api/auth/login/",
+                {"username": self.user.username, "password": "strong-password"},
+                format="json",
+            )
+
+        self.assertEqual(response.status_code, 200)
+        self.assertIn("token", response.data)
+
 
 class InvitationFlowTests(TestCase):
     def _register(self, client, username, **extra):