From cd6ab71127ad2d203dc8c0d443e06d4c0232aaf4 Mon Sep 17 00:00:00 2001
From: Andrei Lozhkin <andrei.lozhkin@anymindgroup.com>
Date: Wed, 18 Dec 2024 18:14:53 +0700
Subject: [PATCH] test: add issue test #489

---
 tests/tests.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/tests.py b/tests/tests.py
index 1fd3c55c..571cb1c9 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -730,6 +730,11 @@ def test_480(self):
             conditions.append(reduce(operator.or_, queries))
         list(queryset.filter(reduce(operator.and_, conditions)).cache())
 
+    def test_489(self):
+        _ = TaggedPost.objects.create(meta={}, tags=[1, 2, 3])
+        tags = TaggedPost.objects.cache().exclude(tags=[])
+
+        self.assertEqual(tags.count(), 1)
 
 class RelatedTests(BaseTestCase):
     fixtures = ['basic']