Fix WSGI tests (#3734)

* Don't default to OK span status for UNSET, this breaks older behavior
* Set transaction name manually on scope after isolation (we should
  generally do this everywhere)

Author: sl0thentr0py

sentry_sdk/integrations/opentelemetry/utils.py

@@ -234,7 +234,7 @@ def extract_span_status(span):
         return (inferred_status, http_status)
 
     if status and status.status_code == StatusCode.UNSET:
-        return (SPANSTATUS.OK, None)
+        return (None, None)
     else:
         return (SPANSTATUS.UNKNOWN_ERROR, None)
 
@@ -308,9 +308,11 @@ def get_trace_context(span, span_data=None):
         "parent_span_id": parent_span_id,
         "op": op,
         "origin": origin or DEFAULT_SPAN_ORIGIN,
-        "status": status,
     }  # type: dict[str, Any]
 
+    if status:
+        trace_context["status"] = status
+
     if span.attributes:
         trace_context["data"] = dict(span.attributes)
 

sentry_sdk/integrations/wsgi.py

@@ -46,6 +46,8 @@ def __call__(self, status, response_headers, exc_info=None):  # type: ignore
 
 _wsgi_middleware_applied = ContextVar("sentry_wsgi_middleware_applied")
 
+DEFAULT_TRANSACTION_NAME = "generic WSGI request"
+
 
 def wsgi_decoding_dance(s, charset="utf-8", errors="replace"):
     # type: (str, str, str) -> str
@@ -96,6 +98,8 @@ def __call__(self, environ, start_response):
         _wsgi_middleware_applied.set(True)
         try:
             with sentry_sdk.isolation_scope() as scope:
+                scope.set_transaction_name(DEFAULT_TRANSACTION_NAME, source=TRANSACTION_SOURCE_ROUTE)
+
                 with track_session(scope, session_mode="request"):
                     with capture_internal_exceptions():
                         scope.clear_breadcrumbs()
@@ -105,15 +109,13 @@ def __call__(self, environ, start_response):
                                 environ, self.use_x_forwarded_for
                             )
                         )
-
                     method = environ.get("REQUEST_METHOD", "").upper()
                     should_trace = method in self.http_methods_to_capture
                     with sentry_sdk.continue_trace(environ):
                         with (
-                            sentry_sdk.start_transaction(
-                                environ,
+                            sentry_sdk.start_span(
                                 op=OP.HTTP_SERVER,
-                                name="generic WSGI request",
+                                name=DEFAULT_TRANSACTION_NAME,
                                 source=TRANSACTION_SOURCE_ROUTE,
                                 origin=self.span_origin,
                                 custom_sampling_context={"wsgi_environ": environ},

tests/integrations/opentelemetry/test_utils.py

@@ -16,54 +16,54 @@
     [
         (
             "OTel Span Blank",
-            Status(StatusCode.UNSET),  # Unset defaults to OK
+            Status(StatusCode.UNSET),
             {},
             {
                 "op": "OTel Span Blank",
                 "description": "OTel Span Blank",
-                "status": "ok",
+                "status": None,
                 "http_status_code": None,
                 "origin": None,
             },
         ),
         (
             "OTel Span RPC",
-            Status(StatusCode.UNSET),  # Unset defaults to OK
+            Status(StatusCode.UNSET),
             {
                 "rpc.service": "myservice.EchoService",
             },
             {
                 "op": "rpc",
                 "description": "OTel Span RPC",
-                "status": "ok",
+                "status": None,
                 "http_status_code": None,
                 "origin": None,
             },
         ),
         (
             "OTel Span Messaging",
-            Status(StatusCode.UNSET),  # Unset defaults to OK
+            Status(StatusCode.UNSET),
             {
                 "messaging.system": "rabbitmq",
             },
             {
                 "op": "message",
                 "description": "OTel Span Messaging",
-                "status": "ok",
+                "status": None,
                 "http_status_code": None,
                 "origin": None,
             },
         ),
         (
             "OTel Span FaaS",
-            Status(StatusCode.UNSET),  # Unset defaults to OK
+            Status(StatusCode.UNSET),
             {
                 "faas.trigger": "pubsub",
             },
             {
                 "op": "pubsub",
                 "description": "OTel Span FaaS",
-                "status": "ok",
+                "status": None,
                 "http_status_code": None,
                 "origin": None,
             },
@@ -241,13 +241,13 @@ def test_span_data_for_db_query():
         ),
         (
             SpanKind.SERVER,
-            Status(StatusCode.UNSET),  # Unset defaults to OK
+            Status(StatusCode.UNSET),
             {
                 "http.method": "POST",
                 "http.route": "/some/route",
             },
             {
-                "status": "ok",
+                "status": None,
                 "http_status_code": None,
             },
         ),
@@ -336,15 +336,15 @@ def test_span_data_for_db_query():
             SpanKind.SERVER,
             Status(
                 StatusCode.ERROR, "I'm a teapot"
-            ),  # Error status with unknown description is an unknown error
+            ),
             {
                 "http.method": "POST",
                 "http.route": "/some/route",
                 "http.response.status_code": 418,
             },
             {
-                "status": "unknown_error",
-                "http_status_code": None,
+                "status": "invalid_argument",
+                "http_status_code": 418,
             },
         ),
         (