BL date

modules/purchase_trade/tests/test_module.py

@@ -845,6 +845,44 @@ class PurchaseTradeTestCase(ModuleTestCase):
 
         self.assertEqual(fee.get_amount(), Decimal('3.33'))
 
+    def test_purchase_line_bldate_uses_shipment_bl_before_estimated_date(self):
+        'purchase line BL trigger uses the real shipment BL date first'
+        Line = Pool().get('purchase.line')
+        line = Line()
+        line.lots = [
+            Mock(
+                lot_shipment_in=Mock(
+                    bl_date=datetime.date(2026, 6, 3))),
+        ]
+        line.estimated_date = [
+            Mock(
+                trigger='bldate',
+                estimated_date=datetime.date(2026, 5, 23)),
+        ]
+
+        self.assertEqual(
+            line.get_date('bldate'),
+            datetime.date(2026, 6, 3))
+
+    def test_sale_line_bldate_uses_shipment_bl_before_estimated_date(self):
+        'sale line BL trigger uses the real shipment BL date first'
+        Line = Pool().get('sale.line')
+        line = Line()
+        line.lots = [
+            Mock(
+                lot_shipment_in=Mock(
+                    bl_date=datetime.date(2026, 6, 3))),
+        ]
+        line.estimated_date = [
+            Mock(
+                trigger='bldate',
+                estimated_date=datetime.date(2026, 5, 23)),
+        ]
+
+        self.assertEqual(
+            line.get_date('bldate'),
+            datetime.date(2026, 6, 3))
+
     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')