From 73354b4c7c078dac579b93de4b91e1449c1e68ec Mon Sep 17 00:00:00 2001
From: "CasperWA[ai][bot]" <casper.w.andersen+gh-ai-bot@sintef.no>
Date: Mon, 11 May 2026 09:09:59 +0200
Subject: [PATCH] Pin RabbitMQ broker image to 3.x in Celery tests (#680)

RabbitMQ 4.x removed transient_nonexcl_queues, which Celery/kombu
uses for the mingle boot-step. Pin to rabbitmq:3 via the
default_rabbitmq_broker_image fixture override provided by
pytest-celery for exactly this purpose.
---
 tests/strategies/transformation/conftest.py | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 tests/strategies/transformation/conftest.py

diff --git a/tests/strategies/transformation/conftest.py b/tests/strategies/transformation/conftest.py
new file mode 100644
index 00000000..563a7447
--- /dev/null
+++ b/tests/strategies/transformation/conftest.py
@@ -0,0 +1,11 @@
+"""Pytest fixtures for transformation strategy tests."""
+
+from __future__ import annotations
+
+import pytest
+
+
+@pytest.fixture
+def default_rabbitmq_broker_image() -> str:
+    """Pin RabbitMQ to 3.x to avoid RabbitMQ 4.x removing transient_nonexcl_queues."""
+    return "rabbitmq:3"