fix(drf): align exception metadata with SDK spec

Author: hpouillot

posthog/integrations/drf.py

@@ -37,7 +37,7 @@
 _CAPTURE_METADATA = {
     "level": "error",
     "source": "django_rest_framework.exception_handler",
-    "mechanism": {"type": "django_rest_framework", "handled": True},
+    "mechanism": {"type": "middleware", "handled": True},
 }
 
 

posthog/test/integrations/test_drf_integration.py

@@ -27,7 +27,7 @@ class ServiceUnavailable(APIException):
 
 
 class TestDjangoRestFrameworkIntegration(unittest.TestCase):
-    def test_default_handler_captures_handled_5xx(self):
+    def test_default_handler_captures_5xx_with_canonical_metadata(self):
         client = Mock()
         handler = create_exception_handler(client=client)
         exception = ServiceUnavailable()
@@ -41,7 +41,7 @@ def test_default_handler_captures_handled_5xx(self):
                 "level": "error",
                 "source": "django_rest_framework.exception_handler",
                 "mechanism": {
-                    "type": "django_rest_framework",
+                    "type": "middleware",
                     "handled": True,
                 },
             },
@@ -174,7 +174,7 @@ def test_module_handler_uses_global_client(self):
                 "level": "error",
                 "source": "django_rest_framework.exception_handler",
                 "mechanism": {
-                    "type": "django_rest_framework",
+                    "type": "middleware",
                     "handled": True,
                 },
             },