chore: formatted stuff

tpv/tests/test_redsys.py

@@ -5,11 +5,14 @@ from django.urls import reverse
 from rest_framework import status
 from rest_framework.test import APITestCase
 from django.conf import settings
+from django.utils import timezone
 
 from tpv.models import PaymentTransaction
 from tpv.redsys import RedsysClient
 from tpv.settings import ERROR_CODES
 
+from tpv.utils import validate_expiry_date
+
 
 class TestRedsysTPV(APITestCase):
     def test_redsys_client(self):
@@ -179,3 +182,14 @@ class TestRedsysTPV(APITestCase):
             reverse("tpv:ko", kwargs={"transaction": transaction.hash})
         )
         assert response.status_code == status.HTTP_200_OK
+
+    def test_expiry_date(self):
+        now = timezone.now()
+        previous_year = str(now.year - 1).rjust(2, "0")
+        current_month = str(now.month).rjust(2, "0")
+        current_year = str(now.year)[-2:]
+
+        assert not validate_expiry_date("042024")
+        assert not validate_expiry_date(f"{previous_year}{current_month}")
+
+        assert validate_expiry_date(f"{current_year}{current_month}")