From 306a95954eeba2f533f49213c8c45e533f006ff8 Mon Sep 17 00:00:00 2001
From: Nick Merrill <nick.merrill+github@cobaltrobotics.com>
Date: Wed, 17 May 2023 11:07:38 -0400
Subject: [PATCH] Add test for datetime subclass

---
 tests/test_converters.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/test_converters.py b/tests/test_converters.py
index 1b0f1d9..5d555ac 100644
--- a/tests/test_converters.py
+++ b/tests/test_converters.py
@@ -48,6 +48,15 @@ def test_default_values():
     assert field.type == graphene.String
     assert field.default_value == "hi"
 
+class DatetimeSubclass(datetime.datetime):
+    pass
+
+class TimeSubclass(datetime.time):
+    pass
+
+class DateSubclass(datetime.date):
+    pass
+
 
 @pytest.mark.parametrize(
     "input, expected",
@@ -60,6 +69,10 @@ def test_default_values():
         ((datetime.date, datetime.date(2019, 1, 1)), graphene.Date),
         ((datetime.time, datetime.time(15, 29)), graphene.Time),
         ((datetime.datetime, datetime.datetime(2019, 1, 1, 1, 37)), graphene.DateTime),
+        # Tests support for datetime mocking libraries like Freezegun
+        ((DatetimeSubclass, DatetimeSubclass(2019, 1, 1, 1, 37)), graphene.DateTime),
+        ((DateSubclass, DateSubclass(2019, 1, 1)), graphene.Date),
+        ((TimeSubclass, TimeSubclass(15, 29)), graphene.Time),
     ],
 )
 def test_builtin_scalars(input, expected):