From 9bd4bcbb09fb5673e1f5eea49a45e86e73b4e157 Mon Sep 17 00:00:00 2001
From: Matthew Evans <me388@cam.ac.uk>
Date: Fri, 6 Mar 2020 18:41:45 +0000
Subject: [PATCH] Added TODO for mongotransformer

---
 tests/filtertransformers/test_mongo.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/filtertransformers/test_mongo.py b/tests/filtertransformers/test_mongo.py
index dbc6914e0c..ad05d0b4cf 100644
--- a/tests/filtertransformers/test_mongo.py
+++ b/tests/filtertransformers/test_mongo.py
@@ -114,6 +114,8 @@ def test_operators(self):
         self.assertEqual(self.transform("NOT a<3"), {"a": {"$not": {"$lt": 3}}})
 
         # TODO: {'$not': {'$eq': 'Ti'}} can be simplified to {'$ne': 'Ti'}
+        # TODO: THIS IS NOT A VALID MONGO QUERY!!! We should switch to $nor, but
+        # that may break the defined optimade operator precendence
         self.assertEqual(
             self.transform(
                 'NOT ( chemical_formula_hill = "Al" AND chemical_formula_anonymous = "A" OR '