prvi kod za live uporabu

backend/modules/fleet/tests/test_crane_serial_number.py

@@ -0,0 +1,67 @@
+import uuid
+
+from django.test import TestCase
+
+from modules.fleet.serializers import CraneSerializer
+
+
+class CraneSerialNumberTests(TestCase):
+    def _base_payload(self):
+        suffix = uuid.uuid4().hex[:6].upper()
+        return {
+            "registration_number": f"ZG-CRN-{suffix}",
+            "make": "Liebherr",
+            "model": "LTM",
+            "year": 2024,
+            "current_mileage": 12000,
+            "service_interval_km": 8000,
+            "is_company_vehicle": True,
+            "is_active": True,
+        }
+
+    def test_create_crane_with_serial_number_succeeds(self):
+        payload = {
+            **self._base_payload(),
+            "crane_serial_number": "123456",
+        }
+        serializer = CraneSerializer(data=payload)
+        self.assertTrue(serializer.is_valid(), serializer.errors)
+
+        crane = serializer.save()
+        self.assertEqual(crane.asset_type, "crane")
+        self.assertEqual(crane.crane_serial_number, "123456")
+
+    def test_create_crane_without_serial_number_fails(self):
+        payload = self._base_payload()
+        serializer = CraneSerializer(data=payload)
+        self.assertFalse(serializer.is_valid())
+        self.assertIn("crane_serial_number", serializer.errors)
+
+    def test_crane_serial_number_industry_standard_validation(self):
+        valid_payload = {
+            **self._base_payload(),
+            "registration_number": f"ZG-CRN-{uuid.uuid4().hex[:6].upper()}",
+            "crane_serial_number": "000123",
+        }
+        valid_serializer = CraneSerializer(data=valid_payload)
+        self.assertTrue(valid_serializer.is_valid(), valid_serializer.errors)
+
+        invalid_serials = [
+            "12345",      # prekratko
+            "1234567",    # predugo
+            "12A456",     # slova nisu dozvoljena
+            "12 456",     # razmaci nisu dozvoljeni
+            "12-456",     # specijalni znakovi nisu dozvoljeni
+            "１２３４５６",  # unicode znamenke nisu dozvoljene (samo ASCII 0-9)
+        ]
+
+        for value in invalid_serials:
+            with self.subTest(serial=value):
+                payload = {
+                    **self._base_payload(),
+                    "registration_number": f"ZG-CRN-{uuid.uuid4().hex[:6].upper()}",
+                    "crane_serial_number": value,
+                }
+                serializer = CraneSerializer(data=payload)
+                self.assertFalse(serializer.is_valid())
+                self.assertIn("crane_serial_number", serializer.errors)