From add6842003b0379024cc14bb26b36ef374fbb789 Mon Sep 17 00:00:00 2001
From: Alexander Alderman Webb <alexander.webb@sentry.io>
Date: Tue, 21 Jul 2026 16:25:46 +0200
Subject: [PATCH 1/2] test: Close clients created by sentry_init

---
 tests/conftest.py  | 19 +++++++++++++++++++
 tests/test_logs.py | 12 +++++++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/tests/conftest.py b/tests/conftest.py
index 1f05f0eda6..7cf8eed31d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -287,9 +287,12 @@ def inner(identifier):
 
 @pytest.fixture
 def sentry_init(request):
+    clients = []
+
     def inner(*a, **kw):
         kw.setdefault("transport", TestTransport())
         client = sentry_sdk.Client(*a, **kw)
+        clients.append(client)
         sentry_sdk.get_global_scope().set_client(client)
 
     if request.node.get_closest_marker("forked"):
@@ -303,6 +306,8 @@ def inner(*a, **kw):
             sentry_sdk.get_current_scope().set_client(None)
             yield inner
         finally:
+            for client in clients:
+                client.close()
             sentry_sdk.get_global_scope().set_client(old_client)
 
 
@@ -449,9 +454,17 @@ def append(envelope):
                 events_w.write(b"\n")
             return old_capture_envelope(envelope)
 
+        real_flush = test_client.flush
+
         def flush(timeout=None, callback=None):
             events_w.write(b"flush\n")
 
+        def cleanup():
+            test_client.flush = real_flush
+            test_client.transport.capture_envelope = old_capture_envelope
+
+        request.addfinalizer(cleanup)
+
         monkeypatch.setattr(test_client.transport, "capture_envelope", append)
         monkeypatch.setattr(test_client, "flush", flush)
 
@@ -498,6 +511,12 @@ def flush(timeout=None, callback=None):
             items_w.write(json.dumps(telemetry).encode("utf-8") + b"\n")
             items_w.write(b"flush\n")
 
+        def cleanup():
+            test_client.flush = real_flush
+            test_client.transport.capture_envelope = old_capture_envelope
+
+        request.addfinalizer(cleanup)
+
         monkeypatch.setattr(test_client.transport, "capture_envelope", append)
         monkeypatch.setattr(test_client, "flush", flush)
 
diff --git a/tests/test_logs.py b/tests/test_logs.py
index ebd7e7f969..0d3af36d8c 100644
--- a/tests/test_logs.py
+++ b/tests/test_logs.py
@@ -835,7 +835,17 @@ def test_log_batcher_lock_reset_in_child_after_fork(sentry_init):
     original_lock = batcher._lock
     original_lock.acquire()
 
-    batcher._buffer.append(object())
+    batcher._buffer.append(
+        {
+            "severity_text": "info",
+            "severity_number": 9,
+            "body": "fork-reset sentinel",
+            "attributes": {},
+            "time_unix_nano": 0,
+            "trace_id": None,
+            "span_id": None,
+        }
+    )
     batcher._active.flag = True
     batcher._flush_event.set()
     batcher._running = False

From 2b363a2e45b216b45905754ce99d52b0d375b850 Mon Sep 17 00:00:00 2001
From: Alexander Alderman Webb <alexander.webb@sentry.io>
Date: Tue, 21 Jul 2026 16:32:25 +0200
Subject: [PATCH 2/2] adapt metric test

---
 tests/test_metrics.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tests/test_metrics.py b/tests/test_metrics.py
index e62a868dbe..042b27ad4c 100644
--- a/tests/test_metrics.py
+++ b/tests/test_metrics.py
@@ -525,7 +525,18 @@ def test_metrics_batcher_lock_reset_in_child_after_fork(sentry_init):
     original_lock = batcher._lock
     original_lock.acquire()
 
-    batcher._buffer.append(object())
+    batcher._buffer.append(
+        {
+            "timestamp": 0.0,
+            "name": "fork-reset-sentinel",
+            "type": "counter",
+            "value": 1.0,
+            "unit": None,
+            "attributes": {},
+            "trace_id": None,
+            "span_id": None,
+        }
+    )
     batcher._active.flag = True
     batcher._flush_event.set()
     batcher._running = False