Refs #36735 -- Adjusted UUID7 assertions for timezone shifts.

Thanks Simon Charette and Jacob Walls for reviews.

1 files changed, 13 insertions, 7 deletions

diff --git a/tests/db_functions/test_uuid.py b/tests/db_functions/test_uuid.py
index 4071071d2d..601c5abe8d 100644
--- a/tests/db_functions/test_uuid.py
+++ b/tests/db_functions/test_uuid.py
@@ -34,21 +34,27 @@ class TestUUID(TestCase):
 
     @skipUnlessDBFeature("supports_uuid7_function_shift")
     def test_uuid7_shift(self):
+        shift = timedelta(minutes=1)
         now = datetime.now(timezone.utc)
-        past = datetime(2005, 11, 16, tzinfo=timezone.utc)
-        shift = past - now
         m = UUIDModel.objects.create(uuid=UUID7(shift))
-        self.assertTrue(str(m.uuid).startswith("0107965e-e40"), m.uuid)
+        ts = int.from_bytes(m.uuid.bytes[:6])
+        uuid_timestamp = datetime.fromtimestamp(ts / 1000, tz=timezone.utc)
+        self.assertAlmostEqual(
+            (uuid_timestamp - now).total_seconds(), shift.total_seconds(), places=1
+        )
 
     @skipUnlessDBFeature("supports_uuid7_function_shift")
     def test_uuid7_shift_duration_field(self):
-        now = datetime.now(timezone.utc)
-        past = datetime(2005, 11, 16, tzinfo=timezone.utc)
-        shift = past - now
+        shift = timedelta(minutes=1)
         m = UUIDModel.objects.create(shift=shift)
+        now = datetime.now(timezone.utc)
         UUIDModel.objects.update(uuid=UUID7("shift"))
         m.refresh_from_db()
-        self.assertTrue(str(m.uuid).startswith("0107965e-e40"), m.uuid)
+        ts = int.from_bytes(m.uuid.bytes[:6])
+        uuid_timestamp = datetime.fromtimestamp(ts / 1000, tz=timezone.utc)
+        self.assertAlmostEqual(
+            (uuid_timestamp - now).total_seconds(), shift.total_seconds(), places=1
+        )
 
     @skipIfDBFeature("supports_uuid4_function")
     def test_uuid4_unsupported(self):