Fixed #26120 -- Made HStoreField cast keys and values to strings.

HStoreField now converts all keys and values to string before they're
saved to the database.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/postgres_tests/test_hstore.py b/tests/postgres_tests/test_hstore.py
index 80e46e5021..13c08386e2 100644
--- a/tests/postgres_tests/test_hstore.py
+++ b/tests/postgres_tests/test_hstore.py
@@ -1,3 +1,6 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
 import json
 
 from django.core import exceptions, serializers
@@ -37,6 +40,20 @@ class SimpleTests(PostgreSQLTestCase):
         reloaded = HStoreModel.objects.get()
         self.assertEqual(reloaded.field, value)
 
+    def test_key_val_cast_to_string(self):
+        value = {'a': 1, 'b': 'B', 2: 'c', 'ï': 'ê', b'x': b'test'}
+        expected_value = {'a': '1', 'b': 'B', '2': 'c', 'ï': 'ê', 'x': 'test'}
+
+        instance = HStoreModel.objects.create(field=value)
+        instance = HStoreModel.objects.get()
+        self.assertDictEqual(instance.field, expected_value)
+
+        instance = HStoreModel.objects.get(field__a=1)
+        self.assertDictEqual(instance.field, expected_value)
+
+        instance = HStoreModel.objects.get(field__has_keys=[2, 'a', 'ï'])
+        self.assertDictEqual(instance.field, expected_value)
+
 
 class TestQuerying(PostgreSQLTestCase):