Move line manual

modules/account/tests/test_module.py

@@ -12,7 +12,7 @@ from trytond.modules.account.exceptions import (
 from trytond.modules.account.tax import TaxableMixin
 from trytond.modules.company.tests import (
     CompanyTestMixin, PartyCompanyCheckEraseMixin, create_company, set_company)
-from trytond.modules.currency.tests import create_currency
+from trytond.modules.currency.tests import add_currency_rate, create_currency
 from trytond.pool import Pool
 from trytond.tests.test_tryton import ModuleTestCase, with_transaction
 from trytond.transaction import Transaction, inactive_records
@@ -576,6 +576,54 @@ class AccountTestCase(
                 self.assertEqual(
                     cash_cur.amount_second_currency, Decimal(50))
 
+    @with_transaction()
+    def test_move_line_second_currency_amount_on_change(self):
+        'Test account move line computes amount from second currency'
+        pool = Pool()
+        Account = pool.get('account.account')
+        Line = pool.get('account.move.line')
+
+        company = create_company()
+        with set_company(company):
+            create_chart(company)
+            second_currency = create_currency('sec')
+            add_currency_rate(second_currency, Decimal('0.939506'))
+
+            expense, = Account.search([
+                    ('type.expense', '=', True),
+                    ])
+
+            line = Line(
+                account=expense,
+                second_currency=second_currency,
+                amount_second_currency=Decimal('100.00'))
+            line.on_change_amount_second_currency()
+
+            self.assertEqual(line.debit, Decimal('93.95'))
+            self.assertEqual(line.credit, Decimal(0))
+            self.assertEqual(line.rate, Decimal('0.939506'))
+            self.assertEqual(line.get_rate(), Decimal('0.939500'))
+
+            line = Line(
+                account=expense,
+                credit=Decimal('7.61'),
+                second_currency=second_currency,
+                amount_second_currency=Decimal('-108.10'))
+            line.on_change_amount_second_currency()
+
+            self.assertEqual(line.debit, Decimal(0))
+            self.assertEqual(line.credit, Decimal('101.56'))
+            self.assertEqual(line.rate, Decimal('0.939506'))
+            self.assertEqual(line.get_rate(), Decimal('0.939500'))
+
+            line.debit = line.credit = Decimal(0)
+            line.rate = Decimal('1.100000')
+            line.on_change_rate()
+
+            self.assertEqual(line.debit, Decimal(0))
+            self.assertEqual(line.credit, Decimal('118.91'))
+            self.assertEqual(line.rate, Decimal('1.100000'))
+
     @with_transaction()
     def test_account_type_amount(self):
         "Test account type amount"