Pass CACHE_OPTIONS as kwargs to redis_from_url

Author: foarsitter

Diff for: src/flask_caching/backends/rediscache.py

@@ -84,7 +84,8 @@ def factory(cls, app, config, args, kwargs):
 
         redis_url = config.get("CACHE_REDIS_URL")
         if redis_url:
-            kwargs["host"] = redis_from_url(redis_url, db=kwargs.pop("db", None))
+            redis_kwargs = config.pop("CACHE_OPTIONS", {})
+            kwargs["host"] = redis_from_url(redis_url, db=kwargs.pop("db", None), **redis_kwargs)
 
         new_class = cls(*args, **kwargs)