feat: add tests to ensure that created_on works as expected

chats/apps/msgs/tests/test_models.py

@@ -0,0 +1,26 @@
+from django.test import TestCase
+from django.utils import timezone
+from django.utils.timezone import timedelta
+
+from chats.apps.msgs.models import Message
+from chats.apps.rooms.models import Room
+
+
+class TestMessageModel(TestCase):
+    def setUp(self):
+        self.room = Room.objects.create()
+
+    def test_message_passing_created_on(self):
+        timestamp = timezone.now() - timedelta(days=2)
+
+        msg = Message.objects.create(room=self.room, created_on=timestamp)
+
+        self.assertEqual(msg.created_on.date(), timestamp.date())
+        self.assertEqual(msg.created_on.hour, timestamp.hour)
+        self.assertEqual(msg.created_on.minute, timestamp.minute)
+        self.assertEqual(msg.created_on.second, timestamp.second)
+
+    def test_message_without_passing_created_on(self):
+        msg = Message.objects.create(room=self.room)
+
+        self.assertEqual(msg.created_on.date(), timezone.now().date())