fix: 出货单审核后也可以修改了(未绑定送货单都可以)

api_v1/views/shipment/test_api.py

@@ -1876,9 +1876,9 @@ class ShipmentQueryAPITestCase(TestCase):
         self.assertEqual(self.shipment1.contact_name, "王五")
         self.assertEqual(self.shipment1.contact_phone, "13700137000")
 
-    def test_patch_shipment_rejects_non_draft(self):
+    def test_patch_shipment_allows_approved_shipment_without_delivery(self):
         """
-        非草稿状态的出货单不允许修改业务数据。
+        已审核但未关联送货单的出货单允许修改业务数据。
         """
         from shipment.services import modify_status
 
@@ -1887,6 +1887,33 @@ class ShipmentQueryAPITestCase(TestCase):
             target_status=shipment_models.ShipmentStatus.PUBLISHED,
             operator=self.user1,
         )
+        modify_status(
+            self.shipment1,
+            target_status=shipment_models.ShipmentStatus.APPROVED,
+            operator=self.user1,
+            approved_by=self.user1,
+        )
+
+        resp = self.client.patch(
+            f"/api/v1/shipment/shipments/{self.shipment1.id}/",
+            data={"area": "审核后可修改"},
+            format="json",
+        )
+        self.assertEqual(resp.status_code, status.HTTP_200_OK)
+        self.assertEqual(resp.json()["area"], "审核后可修改")
+
+        self.shipment1.refresh_from_db()
+        self.assertEqual(self.shipment1.area, "审核后可修改")
+
+    def test_patch_shipment_rejects_when_bound_to_delivery(self):
+        delivery = shipment_models.ShipmentDelivery.objects.create(
+            merchant=self.merchant1,
+            driver_name="绑定司机",
+            vehicle_trip="LOCK-001",
+            created_by=self.user1,
+        )
+        self.shipment1.delivery = delivery
+        self.shipment1.save(update_fields=["delivery", "updated_at"])
 
         resp = self.client.patch(
             f"/api/v1/shipment/shipments/{self.shipment1.id}/",
@@ -1894,7 +1921,7 @@ class ShipmentQueryAPITestCase(TestCase):
             format="json",
         )
         self.assertEqual(resp.status_code, status.HTTP_400_BAD_REQUEST)
-        self.assertIn("仅草稿状态", resp.json()["detail"])
+        self.assertIn("已关联送货单", resp.json()["detail"])
 
         self.shipment1.refresh_from_db()
         self.assertEqual(self.shipment1.area, "A1")