From a582ef8b89a7e1e6724b6fdab93748c90afcabe3 Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Fri, 20 Nov 2020 07:25:32 +0100
Subject: [PATCH] [3.1.x] Added test for filtering JSONField key transforms
 with quoted strings.

Backport of bec415b290b68c07adcd9c67631b6573666d76be from master
---
 tests/model_fields/test_jsonfield.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/model_fields/test_jsonfield.py b/tests/model_fields/test_jsonfield.py
index b91d94752f3..babc1947824 100644
--- a/tests/model_fields/test_jsonfield.py
+++ b/tests/model_fields/test_jsonfield.py
@@ -261,6 +261,7 @@ class TestQuerying(TestCase):
                 'j': None,
                 'k': {'l': 'm'},
                 'n': [None],
+                'o': '"quoted"',
             },
             [1, [2]],
             {'k': True, 'l': False},
@@ -705,6 +706,12 @@ class TestQuerying(TestCase):
     def test_key_iregex(self):
         self.assertIs(NullableJSONModel.objects.filter(value__foo__iregex=r'^bAr$').exists(), True)
 
+    def test_key_quoted_string(self):
+        self.assertEqual(
+            NullableJSONModel.objects.filter(value__o='"quoted"').get(),
+            self.objs[4],
+        )
+
     @skipUnlessDBFeature('has_json_operators')
     def test_key_sql_injection(self):
         with CaptureQueriesContext(connection) as queries: