tests/conftest.py

@@ -18,6 +18,7 @@ from sqlalchemy.types import CHAR
 from cartsnitch_api.config import settings as cartsnitch_settings
 from cartsnitch_api.database import get_db
 from cartsnitch_api.main import create_app
+from cartsnitch_api.middleware import rate_limit as _rate_limit_module
 from cartsnitch_api.models import Base
 
 
@@ -140,12 +141,39 @@ TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"
 
 @pytest.fixture(autouse=True)
 def disable_rate_limiting():
-    """Disable rate limiting for all tests to prevent 429 interference."""
+    """Disable rate limiting for all tests to prevent 429 interference.
+
+    The rate_limit module creates its Redis client at import time when
+    ``settings.rate_limit_redis_enabled`` is true. We can't undo that by
+    flipping the setting inside the fixture — the client and the
+    Redis-backed limiters are already constructed. So we swap them out
+    for the in-memory limiters directly on the module, which also
+    prevents "Event loop is closed" errors when the redis client tries
+    to disconnect after the test event loop ends.
+    """
     cartsnitch_settings.rate_limit_enabled = False
     cartsnitch_settings.rate_limit_redis_enabled = False
+    original_public = _rate_limit_module._public_limiter
+    original_auth = _rate_limit_module._auth_limiter
+    original_auth_strict = _rate_limit_module._auth_strict_limiter
+    _rate_limit_module._redis_client = None
+    _rate_limit_module._use_redis = False
+    _rate_limit_module._public_limiter = _rate_limit_module.InMemorySlidingWindow(
+        cartsnitch_settings.rate_limit_requests, cartsnitch_settings.rate_limit_window_seconds
+    )
+    _rate_limit_module._auth_limiter = _rate_limit_module.InMemorySlidingWindow(
+        cartsnitch_settings.rate_limit_requests * 5, cartsnitch_settings.rate_limit_window_seconds
+    )
+    _rate_limit_module._auth_strict_limiter = _rate_limit_module.InMemorySlidingWindow(
+        cartsnitch_settings.rate_limit_auth_requests,
+        cartsnitch_settings.rate_limit_auth_window_seconds,
+    )
     yield
     cartsnitch_settings.rate_limit_enabled = True
     cartsnitch_settings.rate_limit_redis_enabled = True
+    _rate_limit_module._public_limiter = original_public
+    _rate_limit_module._auth_limiter = original_auth
+    _rate_limit_module._auth_strict_limiter = original_auth_strict
 
 
 @pytest.fixture