line: valid handling of 2nd-currency + test

tests/test_config.py

@@ -9,6 +9,7 @@ from trytond.transaction import Transaction
 from trytond.exceptions import UserError
 from trytond.modules.company.tests import create_company
 from datetime import date
+from decimal import Decimal
 
 
 class ConfigTestCase(ModuleTestCase):
@@ -53,6 +54,51 @@ class ConfigTestCase(ModuleTestCase):
             }])
         return party
 
+    def prep_2nd_currency(self, company):
+        """ add EUR as 2nd currency
+        """
+        pool = Pool()
+        Currency = pool.get('currency.currency')
+        CurrencyRate = pool.get('currency.currency.rate')
+        Company = pool.get('company.company')
+
+        usd, = Currency.search([('name', '=', 'usd')])
+        euros = Currency.search([('code', '=', 'EUR')])
+        if len(euros) == 0:
+            euro, = Currency.create([{
+                'name': 'Euro',
+                'symbol': '€',
+                'code': 'EUR',
+                'numeric_code': '978',
+                'rounding': Decimal('0.01'),
+                'digits': 2,
+                }])
+        else :
+            euro = euros[0]
+
+        # set company-currency to euro
+        self.assertEqual(company.currency.name, 'usd')
+        Company.write(*[
+            [company],
+            {
+                'currency': euro.id,
+            }])
+        self.assertEqual(company.currency.name, 'Euro')
+
+        # add rate for euro/usd @ 05/02/2022
+        # EUR is base-currency
+        CurrencyRate.create([{
+            'date': date(2022, 5, 2),
+            'currency': euro.id,
+            'rate': Decimal('1.0'),
+            }, {
+            'date': date(2022, 5, 2),
+            'currency': usd.id,
+            'rate': Decimal('1.05'),
+            }])
+
+        return (usd, euro)
+
     @with_transaction()
     def test_config_create(self):
         """ create config