prvi kod za live uporabu

backend/modules/invoicing/tests/test_views.py

@@ -0,0 +1,46 @@
+from django.test import TestCase, RequestFactory
+from django.contrib.auth import get_user_model
+from unittest.mock import patch
+
+from modules.invoicing.views import InvoiceTransactionEntryViewSet
+from modules.invoicing.serializers import InvoiceTransactionSerializer
+from modules.invoicing.models import InvoiceTransaction
+from modules.invoicing.models import Invoice
+from modules.crm.models import Client
+from datetime import date
+from decimal import Decimal
+
+
+class ViewsTests(TestCase):
+    def setUp(self):
+        User = get_user_model()
+        self.user = User.objects.create_user(username="u1", email="u1@example.com", password="pass")
+        self.client = Client.objects.create(name="Client Views")
+        self.invoice = Invoice.objects.create(
+            invoice_number="INV-TEST-0001",
+            creator=self.user,
+            client=self.client,
+            amount=Decimal("10.00"),
+            due_date=date.today()
+        )
+        self.factory = RequestFactory()
+        self.viewset = InvoiceTransactionEntryViewSet()
+
+    @patch("modules.invoicing.services.InvoiceService.create_invoice_entry")
+    def test_perform_create_calls_service(self, mock_create_invoice_entry):
+        # simuliramo serializer.validated_data i poziv perform_create
+        serializer = InvoiceTransactionSerializer(data={
+            "invoice": self.invoice.id,
+            "invoice_number": self.invoice.invoice_number,
+            "amount": "5.00",
+            "is_active": True
+        }, context={"request": self.factory.get("/")})
+        serializer.is_valid(raise_exception=True)
+
+        # Poziv perform_create koji bi trebao delegirati na servis
+        self.viewset.request = self.factory.post("/")
+        self.viewset.request.user = self.user
+
+        # Ako kod poziva InvoiceService.create_invoice_entry, mock se aktivira.
+        self.viewset.perform_create(serializer)
+        mock_create_invoice_entry.assert_called()