Fixed #36265 -- Added support for serialization of ZoneInfo instances in migrations.

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/migrations/test_writer.py b/tests/migrations/test_writer.py
index 3a070f4d45..6e9355d9bc 100644
--- a/tests/migrations/test_writer.py
+++ b/tests/migrations/test_writer.py
@@ -612,6 +612,20 @@ class WriterTests(SimpleTestCase):
         string = MigrationWriter.serialize(field)[0]
         self.assertEqual(string, "models.FilePathField(path=%r)" % path_like.path)
 
+    def test_serialize_zoneinfo(self):
+        self.assertSerializedEqual(zoneinfo.ZoneInfo("Asia/Kolkata"))
+        self.assertSerializedResultEqual(
+            zoneinfo.ZoneInfo("Asia/Kolkata"),
+            (
+                "zoneinfo.ZoneInfo(key='Asia/Kolkata')",
+                {"import zoneinfo"},
+            ),
+        )
+        self.assertSerializedResultEqual(
+            zoneinfo.ZoneInfo("Europe/Paris"),
+            ("zoneinfo.ZoneInfo(key='Europe/Paris')", {"import zoneinfo"}),
+        )
+
     def test_serialize_functions(self):
         with self.assertRaisesMessage(ValueError, "Cannot serialize function: lambda"):
             self.assertSerializedEqual(lambda x: 42)