Linkage report

modules/purchase_trade/tests/test_module.py

@@ -6584,6 +6584,111 @@ class PurchaseTradeTestCase(ModuleTestCase):
         self.assertIn('80.000 USD/MT', lotqt.report_linkage_pricing_input_prices)
         self.assertIn('100.000 USD/MT', lotqt.report_linkage_pricing_input_prices)
 
+    def test_lot_report_linkage_rejects_non_physical_lines(self):
+        'lot.report linkage report is only available for physical lines'
+        linkage_report = Pool().get('lot.report.linkage', type='report')
+        lot_report_model = Mock()
+        lot_report_model.browse.return_value = [
+            SimpleNamespace(
+                id=10000001,
+                rec_name='Open quantity',
+                r_lot_type='virtual',
+                r_lot_p=None,
+                r_lot_s=None,
+            )
+        ]
+
+        with patch('trytond.modules.purchase_trade.stock.Pool') as PoolMock:
+            PoolMock.return_value.get.return_value = lot_report_model
+
+            with self.assertRaises(UserError):
+                linkage_report._get_records([10000001], 'lot.report', {})
+
+    def test_lot_report_linkage_helpers_use_physical_lot(self):
+        'lot.report linkage report exposes data from the selected physical lot'
+        currency = SimpleNamespace(code='USD')
+        unit = SimpleNamespace(symbol='MT')
+        product = SimpleNamespace(
+            rec_name='Sulphuric Acid',
+            name='Sulphuric Acid',
+            code='H2SO4')
+        purchase = SimpleNamespace(
+            id=1,
+            number='P-10',
+            reference='26.0001',
+            currency=currency,
+            party=SimpleNamespace(rec_name='SUPPLIER SA'),
+            company=SimpleNamespace(party=SimpleNamespace(rec_name='TRADING SA')),
+            to_location=SimpleNamespace(rec_name='Odda'),
+            incoterm=SimpleNamespace(code='FOB'),
+            operator=SimpleNamespace(rec_name='Operator A'))
+        sale = SimpleNamespace(
+            id=2,
+            number='S-20',
+            reference='26.0001',
+            currency=currency,
+            party=SimpleNamespace(rec_name='CLIENT SA'),
+            to_location=SimpleNamespace(rec_name='Mejillones'),
+            incoterm=SimpleNamespace(code='CFR'))
+        period = SimpleNamespace(rec_name='Chile FY26')
+        purchase_line = SimpleNamespace(
+            id=11,
+            product=product,
+            purchase=purchase,
+            quantity_theorical=Decimal('100'),
+            quantity=Decimal('100'),
+            unit_price=Decimal('80'),
+            unit=unit,
+            price_type='fixed',
+            del_period=period,
+            period_at='laycan',
+            from_del=datetime.date(2026, 4, 30),
+            to_del=datetime.date(2026, 5, 8),
+            fees=[],
+            mtm=[])
+        sale_line = SimpleNamespace(
+            id=12,
+            product=product,
+            sale=sale,
+            quantity_theorical=Decimal('100'),
+            quantity=Decimal('100'),
+            unit_price=Decimal('100'),
+            unit=unit,
+            price_type='fixed',
+            del_period=period,
+            period_at='laycan',
+            from_del=datetime.date(2026, 4, 30),
+            to_del=datetime.date(2026, 4, 30),
+            fees=[],
+            mtm=[])
+        physical_lot = SimpleNamespace(
+            id=101,
+            rec_name='LOT-101',
+            line=purchase_line,
+            sale_line=sale_line,
+            lot_shipment_in=SimpleNamespace(
+                bl_date=datetime.date(2026, 4, 30),
+                fees=[]),
+            move=None)
+        lot_report = SimpleNamespace(
+            id=101,
+            rec_name='Physical lot',
+            r_lot_type='physic',
+            r_lot_p=physical_lot,
+            r_lot_s=None)
+        record = stock_module.LotReportLinkageRecord(
+            physical_lot, lot_report)
+
+        self.assertEqual(
+            record.report_linkage_title, 'Linkage P-10/S-20 26.0001')
+        self.assertEqual(record.report_linkage_bl_date, 'Thursday, April 30, 2026')
+        self.assertIn('Purchases', record.report_linkage_summary_groups)
+        self.assertIn('Sales', record.report_linkage_summary_groups)
+        self.assertIn('P-10', record.report_linkage_movement_references)
+        self.assertIn('S-20', record.report_linkage_movement_references)
+        self.assertIn('80.000 USD/MT', record.report_linkage_pricing_input_prices)
+        self.assertIn('100.000 USD/MT', record.report_linkage_pricing_input_prices)
+
     def test_shipment_insurance_contact_surveyor_prefers_shipment_surveyor(self):
         'insurance contact surveyor property uses shipment surveyor first'
         ShipmentIn = Pool().get('stock.shipment.in')