Additional unit tests

src/backend/InvenTree/stock/api.py

@@ -1580,7 +1580,7 @@ class StockTrackingFilter(FilterSet):
 
 
 class StockTrackingList(
-    SerializerContextMixin, DataExportViewMixin, OutputOptionsMixin, ListAPI
+    SerializerContextMixin, DataExportViewMixin, OutputOptionsMixin, ListCreateAPI
 ):
     """API endpoint for list view of StockItemTracking objects.
 
@@ -1673,7 +1673,11 @@ class StockTrackingList(
         serializer = self.get_serializer(data=data)
         serializer.is_valid(raise_exception=True)
 
-        serializer.save(user=request.user)
+        stock_item = serializer.validated_data['item']
+        deltas = dict(serializer.validated_data.get('deltas') or {})
+        deltas['quantity'] = float(stock_item.quantity)
+
+        serializer.save(user=request.user, deltas=deltas)
 
         headers = self.get_success_headers(serializer.data)
         return Response(

src/backend/InvenTree/stock/test_api.py

@@ -2891,6 +2891,25 @@ class StockTrackingTest(StockAPITestCase):
             assert_fnc=lambda x: x.data['results'][0],
         )
 
+    def test_create_manual_entry(self):
+        """Test that a manual stock tracking entry can be created via the API."""
+        url = self.get_url()
+        stock_item = StockItem.objects.first()
+
+        response = self.post(
+            url,
+            {'item': stock_item.pk, 'notes': 'Manual tracking entry'},
+            expected_code=201,
+        )
+
+        entry = StockItemTracking.objects.get(pk=response.data['pk'])
+
+        # user = request.user
+        self.assertEqual(entry.user, self.user)
+
+        # quantity = StockItem.quantity
+        self.assertEqual(float(entry.deltas['quantity']), float(stock_item.quantity))
+
 
 class StockAssignTest(StockAPITestCase):
     """Unit tests for the stock assignment API endpoint, where stock items are manually assigned to a customer."""