Convert invoiced quantity into the order line unit

And only after applying the price ratio, we can convert from the price from the
component unit to the move unit.

issue10800
review375611002

stock.py

@@ -22,11 +22,12 @@ class Move(metaclass=PoolMeta):
                 with Transaction().set_context(date=self.effective_date):
                     amount += Currency.compute(
                         line.invoice.currency, line.amount, self.currency)
-                quantity = UoM.compute_qty(
-                    line.unit, line.quantity, self.uom)
+                quantity += UoM.compute_qty(
+                    line.unit, line.quantity, self.origin.line.unit)
         amount *= self.origin.price_ratio
         if quantity:
             unit_price = round_price(amount / Decimal(str(quantity)))
+        unit_price = UoM.compute_price(self.origin.unit, unit_price, self.uom)
         return unit_price
 
 

tests/scenario_product_kit_purchase.rst

@@ -248,6 +248,13 @@ Post invoice::
     >>> invoice.state
     'posted'
 
+Check unit price of moves::
+
+    >>> shipment.reload()
+    >>> invoice.reload()
+    >>> sorted([m.unit_price for m in shipment.incoming_moves])
+    [Decimal('5.0000'), Decimal('5.0000'), Decimal('7.0909'), Decimal('18.9091')]
+
 Check backorder moves::
 
     >>> len(purchase.moves)

tests/scenario_product_kit_sale.rst

@@ -231,6 +231,13 @@ Post invoice::
     >>> invoice.state
     'posted'
 
+Check unit price of moves::
+
+    >>> shipment.reload()
+    >>> invoice.reload()
+    >>> sorted([m.unit_price for m in shipment.outgoing_moves])
+    [Decimal('10.0000'), Decimal('10.0000'), Decimal('15.0000'), Decimal('25.0000')]
+
 Check backorder::
 
     >>> _, backorder = sale.shipments