Delta neg

modules/purchase_trade/tests/test_module.py

@@ -416,6 +416,53 @@ class PurchaseTradeTestCase(ModuleTestCase):
 
         self.assertEqual(fee.get_amount(), Decimal('3.33'))
 
+    def test_sale_rate_fee_amount_stays_positive_with_negative_delta(self):
+        'sale rate fee display amount is unsigned even when financing delta is negative'
+        Fee = Pool().get('fee.fee')
+        fee = Fee()
+        fee.mode = 'rate'
+        fee.price = Decimal('12')
+        fee.fee_date = None
+        fee.quantity = Decimal('10')
+        fee.unit = Mock()
+        fee.shipment_in = None
+        fee.line = None
+        fee.sale_line = Mock(
+            unit_price=Decimal('100'),
+            lots=[],
+            estimated_date=[
+                Mock(
+                    trigger='bldate',
+                    estimated_date=datetime.date(2026, 5, 23),
+                    fin_int_delta=-10,
+                ),
+            ],
+        )
+
+        self.assertEqual(fee.get_amount(), Decimal('3.33'))
+
+    def test_fee_pnl_applies_pay_sign_to_unsigned_rate_amount(self):
+        'fee pnl sign is applied once from PAY/REC'
+        Valuation = Pool().get('valuation.valuation')
+        lot = Mock()
+        lot.get_current_quantity_converted.return_value = Decimal('10')
+        fee = Mock(
+            mode='rate',
+            price=Decimal('12'),
+            unit=Mock(),
+            line=None,
+            sale_line=Mock(
+                unit_price=Decimal('100'),
+                estimated_date=[
+                    Mock(trigger='bldate', fin_int_delta=-10),
+                ],
+            ),
+        )
+
+        self.assertEqual(
+            Valuation._fee_amount_for_lot_or_zero(fee, lot),
+            Decimal('3.33'))
+
     def test_create_pnl_price_from_line_keeps_finished_physical_sale_line(self):
         'purchase valuation keeps finished sale-side pnl on physical lots'
         Valuation = Pool().get('valuation.valuation')