feat: changed TPV behaviour

2025-01-12 22:40:46 +01:00
parent fc0cdad246
commit a733325529
43 changed files with 1036 additions and 1100 deletions
@@ -0,0 +1,186 @@
+import base64
+import json
+from decimal import Decimal
+
+from django.conf import settings
+from django.contrib.auth import get_user_model
+from django.urls import reverse
+from django.utils import timezone
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+from shop.models import CustomerAddress, Order, Tax
+from shop.redsys import RedsysClient
+from shop.tests.mixins import CreateProductsMixin
+from shop.utils import create_order, create_order_line_for_product, validate_expiry_date
+
+User = get_user_model()
+
+
+class TestRedsysTPV(APITestCase, CreateProductsMixin):
+    def setUp(self):
+        self.tax = Tax.objects.create(
+            code="IVA",
+            value=21,
+        )
+        self.customer = get_user_model().objects.create_user(
+            username="11111111H",
+            first_name="Darth",
+            last_name="Maull",
+            email="darth@maul.com",
+            password="dathomir",
+        )
+
+        self.customer_shipping_address = CustomerAddress.objects.create(
+            user=self.customer,
+            address="Dathomir",
+            address_town="Dathomir",
+            address_zip="00001",
+            address_state="Dathomir",
+            address_phone="900000000",
+            address_type=CustomerAddress.Types.SHIPPING,
+        )
+
+        self.customer_billing_address = CustomerAddress.objects.create(
+            user=self.customer,
+            address="Dathomir",
+            address_town="Dathomir",
+            address_zip="00001",
+            address_state="Dathomir",
+            address_phone="900000000",
+            address_type=CustomerAddress.Types.BILLING,
+        )
+        self.product = self.create_product()
+        self.order = self.create_order()
+        self.order.calculate_total_from_lines()
+
+    def create_order(self):
+        order = create_order(
+            customer=self.customer,
+            billing_address=self.customer_billing_address.address,
+            billing_city=self.customer_billing_address.address_town,
+            billing_state=self.customer_billing_address.address_state,
+            billing_zip=self.customer_billing_address.address_zip,
+            billing_country=self.customer_billing_address.address_country,
+        )
+
+        l1 = create_order_line_for_product(
+            self.product,
+            quantity=Decimal("1.0"),
+            order=order,
+        )
+        return order
+
+    def test_redsys_client(self):
+        amount_to_pay = Decimal("12.10")
+
+        client = RedsysClient()
+        merchant_parameters = client._get_merchant_parameters_for_order(
+            self.order,
+        )
+
+        assert merchant_parameters.get("DS_MERCHANT_ORDER") == self.order.code
+        assert merchant_parameters.get("DS_MERCHANT_AMOUNT") == str(
+            int(amount_to_pay * 100)
+        )
+        assert (
+            merchant_parameters.get("DS_MERCHANT_TERMINAL") == settings.REDSYS_TERMINAL
+        )
+        assert (
+            merchant_parameters.get("DS_MERCHANT_MERCHANTCODE")
+            == settings.REDSYS_MERCHANT_CODE
+        )
+
+        client.get_body_for_order(self.order)
+
+    def test_redsys_webhook(self):
+        redsys_response_data = {
+            "Ds_MerchantCode": "999008881",
+            "Ds_Terminal": "001",
+            "Ds_Order": self.order.code,
+            "Ds_Amount": str(self.order.total * 100),
+            "Ds_Currency": "978",
+            "Ds_Date": "01/01/2024",
+            "Ds_Hour": "00:00",
+            "Ds_SecurePayment": "1",
+            "Ds_Card_Number": "454881******1156",
+            "Ds_Card_Country": "724",
+            "Ds_Response": "0000",
+            "Ds_MerchantData": "",
+            "Ds_TransactionType": "0",
+            "Ds_ConsumerLanguage": "1",
+            "Ds_AuthorisationCode": "182670",
+            "Ds_Card_Brand": "1",
+            "Ds_ProcessedPayMethod": "80",
+            "Ds_ECI": "05",
+            "Ds_Response_Description": "OPERACION AUTORIZADA",
+        }
+        redsys_response_data_str = json.dumps(redsys_response_data)
+        b64_merchant_params = base64.b64encode(
+            redsys_response_data_str.encode()
+        ).decode()
+
+        response = self.client.post(
+            reverse("shop:webhook", kwargs={"uuid": self.order.uuid}),
+            data={
+                "Ds_MerchantParameters": b64_merchant_params,
+                "Ds_Signature": settings.REDSYS_SHARED_SECRET,
+                "Ds_SignatureVersion": "HMAC_SHA256_V1",
+            },
+        )
+        self.order.refresh_from_db()
+        assert response.status_code == status.HTTP_200_OK
+        assert self.order.status == Order.Statuses.STATUS_PAID
+
+    def test_redsys_webhook_payment_error(self):
+        redsys_response_data = {
+            "Ds_MerchantCode": "999008881",
+            "Ds_Terminal": "001",
+            "Ds_Order": self.order.code,
+            "Ds_Amount": "1000",
+            "Ds_Currency": "978",
+            "Ds_Date": "01/01/2024",
+            "Ds_Hour": "00:00",
+            "Ds_SecurePayment": "1",
+            "Ds_Card_Number": "454881******1156",
+            "Ds_Card_Country": "724",
+            "Ds_Response": "0184",
+            "Ds_MerchantData": "",
+            "Ds_TransactionType": "0",
+            "Ds_ConsumerLanguage": "1",
+            "Ds_AuthorisationCode": "182670",
+            "Ds_Card_Brand": "1",
+            "Ds_ProcessedPayMethod": "80",
+            "Ds_ECI": "05",
+            "Ds_Response_Description": "ERROR",
+        }
+
+        redsys_response_data_str = json.dumps(redsys_response_data)
+        b64_merchant_params = base64.b64encode(
+            redsys_response_data_str.encode()
+        ).decode()
+
+        response = self.client.post(
+            reverse("shop:webhook", kwargs={"uuid": self.order.uuid}),
+            data={
+                "Ds_MerchantParameters": b64_merchant_params,
+                "Ds_Signature": settings.REDSYS_SHARED_SECRET,
+                "Ds_SignatureVersion": "HMAC_SHA256_V1",
+            },
+        )
+
+        assert response.status_code == status.HTTP_409_CONFLICT
+        self.order.refresh_from_db()
+
+        assert self.order.status == Order.Statuses.STATUS_ERROR
+
+    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}")