Pnl clean up

modules/purchase_trade/tests/test_module.py

@@ -1824,6 +1824,47 @@ class PurchaseTradeTestCase(ModuleTestCase):
                 {'type': 'derivative', 'amount': Decimal('30')},
             ])
 
+    def test_delete_existing_purchase_clears_matched_sale_line_only_values(self):
+        'purchase valuation cleanup removes matched sale-only valuation rows'
+        Valuation = Pool().get('valuation.valuation')
+        today = datetime.date(2026, 7, 1)
+        sale_line = Mock(id=30)
+        sale_lot = Mock(sale_line=sale_line)
+        purchase_lot = Mock(id=20, lot_type='virtual', sale_line=None)
+        line = Mock(
+            id=10,
+            finished=False,
+            lots=[purchase_lot],
+            get_matched_lines=Mock(return_value=[]))
+        valuation_model = Mock()
+        valuation_line_model = Mock()
+        lot_qt_model = Mock()
+        lot_qt_model.search.return_value = [Mock(lot_s=sale_lot)]
+
+        with patch('trytond.modules.purchase_trade.valuation.Pool') as PoolMock:
+            PoolMock.return_value.get.side_effect = lambda name: {
+                'ir.date': Mock(today=Mock(return_value=today)),
+                'valuation.valuation': valuation_model,
+                'valuation.valuation.line': valuation_line_model,
+                'lot.qt': lot_qt_model,
+            }[name]
+
+            Valuation._delete_existing(line)
+
+        valuation_model.search.assert_any_call([
+            ('line', '=', line.id),
+            ('date', '=', today),
+        ])
+        valuation_model.search.assert_any_call([
+            ('sale_line', '=', sale_line.id),
+            ('line', '=', None),
+            ('date', '=', today),
+        ])
+        valuation_line_model.search.assert_any_call([
+            ('sale_line', '=', sale_line.id),
+            ('line', '=', None),
+        ])
+
     def test_generate_keeps_finished_purchase_line_physical_pnl(self):
         'finished purchase lines still generate physical lot valuation'
         Valuation = Pool().get('valuation.valuation')
@@ -2728,6 +2769,8 @@ class PurchaseTradeTestCase(ModuleTestCase):
         self.assertEqual(segments, [{
             'quantity': Decimal('18000'),
             'share': Decimal('1'),
+            'sale_lot': None,
+            'sale_line': None,
             'shipment_in': shipment.id,
         }])