02.04.26

modules/purchase_trade/tests/test_module.py

@@ -310,5 +310,28 @@ class PurchaseTradeTestCase(ModuleTestCase):
                 'USC 8.3000 PER POUND (EIGHT USC AND THIRTY CENTS) ON ICE Cotton #2 MARCH 2026',
             )])
 
+    def test_invoice_report_note_title_uses_total_amount_sign(self):
+        'final invoice title switches between credit and debit note'
+        Invoice = Pool().get('account.invoice')
+
+        credit = Invoice()
+        credit.total_amount = Decimal('10')
+        self.assertEqual(credit.report_note_title, 'Credit Note')
+
+        debit = Invoice()
+        debit.total_amount = Decimal('-10')
+        self.assertEqual(debit.report_note_title, 'Debit Note')
+
+    def test_invoice_report_net_sums_signed_invoice_lines(self):
+        'invoice report net uses the signed differential from invoice lines'
+        Invoice = Pool().get('account.invoice')
+
+        line_a = Mock(type='line', quantity=Decimal('1000'))
+        line_b = Mock(type='line', quantity=Decimal('-200'))
+        invoice = Invoice()
+        invoice.lines = [line_a, line_b]
+
+        self.assertEqual(invoice.report_net, Decimal('800'))
+
 
 del ModuleTestCase