Jauges Go to matching

modules/purchase_trade/tests/test_module.py

@@ -2764,6 +2764,25 @@ class PurchaseTradeTestCase(ModuleTestCase):
                 patch.object(lot_module.LotQt, 'search', return_value=[]):
             lot_module.LotQt.match_lots([purchase_lot], [])
 
+    def test_lot_matching_gauge_uses_entered_quantity_to_match(self):
+        'go to matching gauge projects tolerance from qt to match'
+        matching_lot = lot_module.LotMatchingLot()
+        matching_lot.lot_theoretical_qt = Decimal('100')
+        matching_lot.lot_already_matched_qt = Decimal('40')
+        matching_lot.lot_matched_qt = Decimal('65')
+        matching_lot.lot_tol_min = Decimal('5')
+        matching_lot.lot_tol_max = Decimal('10')
+
+        self.assertEqual(
+            matching_lot.on_change_with_lot_tolerance_used(),
+            Decimal('5.00000'))
+        self.assertEqual(
+            matching_lot.on_change_with_lot_tolerance_min(),
+            Decimal('-5'))
+        self.assertEqual(
+            matching_lot.on_change_with_lot_tolerance_max(),
+            Decimal('10'))
+
     def test_go_matching_defaults_selected_open_lot_qts(self):
         'go to matching only preloads selected unmatched open lot.qt rows'
         purchase = Mock(id=10, party=Mock(id=20))