Clean up test keys properly

tests/conftest.py

@@ -6,6 +6,9 @@ import pytest
 from aredis_om import get_redis_connection
 
 
+TEST_PREFIX = "redis-om:testing"
+
+
 @pytest.fixture(scope="session")
 def event_loop(request):
     """
@@ -22,20 +25,26 @@ def redis():
     yield get_redis_connection()
 
 
-async def _delete_test_keys(prefix: str, conn):
+def _delete_test_keys(prefix: str, conn):
     keys = []
-    async for key in conn.scan_iter(f"{prefix}:*"):
+    for key in conn.scan_iter(f"{prefix}:*"):
         keys.append(key)
     if keys:
         conn.delete(*keys)
 
 
 @pytest.fixture
-def key_prefix(redis):
-    key_prefix = f"redis-om:{random.random()}"
+def key_prefix(request, redis):
+    key_prefix = f"{TEST_PREFIX}:{random.random()}"
     yield key_prefix
 
 
-@pytest.fixture(autouse=True)
-async def delete_test_keys(redis, request, key_prefix):
-    await _delete_test_keys(key_prefix, redis)
+@pytest.fixture(scope="session", autouse=True)
+def cleanup_keys(request):
+    def cleanup_keys():
+        # Always use the sync Redis connection with finalizer. Setting up an
+        # async finalizer should work, but I'm not suer how yet!
+        from redis_om.connections import get_redis_connection as get_sync_redis
+        _delete_test_keys(TEST_PREFIX, get_sync_redis())
+
+    request.addfinalizer(cleanup_keys)