Pnl

modules/purchase_trade/tests/test_module.py

@@ -160,6 +160,62 @@ class PurchaseTradeTestCase(ModuleTestCase):
                 strategy, line),
             Decimal('-349167.53'))
 
+    @with_transaction()
+    def test_strategy_mtm_lines_split_by_curve_with_previous_price(self):
+        'strategy MTM creates one valuation line per curve with previous price'
+        Valuation = Pool().get('valuation.valuation')
+        valuation_date = datetime.date(2026, 6, 5)
+        previous_date = datetime.date(2026, 6, 4)
+        unit = Mock()
+        currency = Mock()
+        line = Mock(unit=unit)
+        curve_a = Mock(id=10)
+        curve_a.get_price.side_effect = [Decimal('100'), Decimal('90')]
+        curve_b = Mock(id=20)
+        curve_b.get_price.side_effect = [Decimal('50'), Decimal('45')]
+        strategy = Mock(
+            scenario=Mock(
+                valuation_date=valuation_date,
+                use_last_price=False),
+            currency=currency,
+            components=[
+                Mock(
+                    price_source_type='curve',
+                    price_index=curve_a,
+                    ratio=Decimal('60')),
+                Mock(
+                    price_source_type='curve',
+                    price_index=curve_b,
+                    ratio=Decimal('40')),
+            ])
+        values = {
+            'type': 'pur. priced',
+            'price': Decimal('10'),
+            'amount': Decimal('-100'),
+            'base_amount': Decimal('-100'),
+            'quantity': Decimal('10'),
+        }
+        target = []
+        price_value = Mock()
+        price_value.search.return_value = [Mock(price_date=previous_date)]
+
+        with patch('trytond.modules.purchase_trade.valuation.Pool') as PoolMock:
+            PoolMock.return_value.get.return_value = price_value
+            Valuation._append_strategy_mtm_lines(
+                target, values, strategy, line)
+
+        self.assertEqual(len(target), 2)
+        self.assertEqual(target[0]['mtm_curve'], curve_a.id)
+        self.assertEqual(target[0]['amount'], Decimal('-60.00'))
+        self.assertEqual(target[0]['mtm_price'], Decimal('60.0000'))
+        self.assertEqual(target[0]['mtm_price_prev'], Decimal('54.0000'))
+        self.assertEqual(target[0]['mtm'], Decimal('-600.00'))
+        self.assertEqual(target[1]['mtm_curve'], curve_b.id)
+        self.assertEqual(target[1]['amount'], Decimal('-40.00'))
+        self.assertEqual(target[1]['mtm_price'], Decimal('20.0000'))
+        self.assertEqual(target[1]['mtm_price_prev'], Decimal('18.0000'))
+        self.assertEqual(target[1]['mtm'], Decimal('-200.00'))
+
     @with_transaction()
     def test_purchase_line_charter_conditions_inherit_header_when_empty(self):
         'purchase line uses header charter conditions when it has no line terms'