Lots Management

modules/purchase_trade/tests/test_module.py

@@ -17,6 +17,7 @@ from trytond.modules.purchase_trade import purchase as purchase_module
 from trytond.modules.purchase_trade import sale as sale_module
 from trytond.modules.purchase_trade import stock as stock_module
 from trytond.modules.purchase_trade import fee as fee_module
+from trytond.modules.purchase_trade import company_defaults
 from trytond.modules.purchase_trade.service import ContractFactory
 
 
@@ -24,6 +25,15 @@ class PurchaseTradeTestCase(ModuleTestCase):
     'Test purchase_trade module'
     module = 'purchase_trade'
 
+    def test_itsa_book_year_suffix_uses_april_fiscal_start(self):
+        'ITSA book year changes on April 1st'
+        self.assertEqual(
+            company_defaults._book_year_suffix(datetime.date(2026, 3, 31)),
+            '25')
+        self.assertEqual(
+            company_defaults._book_year_suffix(datetime.date(2026, 4, 1)),
+            '26')
+
     @with_transaction()
     def test_purchase_list_fields_use_first_trade_line(self):
         'purchase list helper fields use the first real purchase line'