Ensure to balance correctly lines with second currency

issue10916
review389191002

tests/scenario_account_cash_rounding_alternate_currency.rst

@@ -0,0 +1,106 @@
+=================================================
+Account Cash Rounding Alternate Currency Scenario
+=================================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+    >>> from proteus import Model, Wizard
+    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.modules.currency.tests.tools import get_currency
+    >>> from trytond.modules.company.tests.tools import (
+    ...     create_company, get_company)
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_fiscalyear, create_chart, get_accounts)
+    >>> from trytond.modules.account_invoice.tests.tools import (
+    ...     set_fiscalyear_invoice_sequences)
+    >>> today = dt.date.today()
+    >>> tomorrow = today + dt.timedelta(days=1)
+
+Activate modules::
+
+    >>> config = activate_modules(['account_cash_rounding', 'account_invoice'])
+
+Set alternate currencies::
+
+    >>> currency = get_currency('USD')
+    >>> eur = get_currency('EUR')
+
+Create company::
+
+    >>> _ = create_company(currency=currency)
+    >>> company = get_company()
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(company))
+    >>> fiscalyear.click('create_period')
+
+Create chart of accounts::
+
+    >>> Account = Model.get('account.account')
+    >>> AccountConfig = Model.get('account.configuration')
+    >>> _ = create_chart(company)
+    >>> accounts = get_accounts(company)
+
+Set cash rounding::
+
+    >>> cash_rounding_credit = Account(name="Cash Rounding")
+    >>> cash_rounding_credit.type = accounts['revenue'].type
+    >>> cash_rounding_credit.deferral = True
+    >>> cash_rounding_credit.save()
+    >>> cash_rounding_debit = Account(name="Cash Rounding")
+    >>> cash_rounding_debit.type = accounts['expense'].type
+    >>> cash_rounding_debit.deferral = True
+    >>> cash_rounding_debit.save()
+    >>> account_config = AccountConfig(1)
+    >>> account_config.cash_rounding = True
+    >>> account_config.cash_rounding_credit_account = cash_rounding_credit
+    >>> account_config.cash_rounding_debit_account = cash_rounding_debit
+    >>> account_config.save()
+
+    >>> eur.cash_rounding = Decimal('0.05')
+    >>> eur.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Create invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.cash_rounding = True
+    >>> invoice.currency = eur
+    >>> bool(invoice.cash_rounding)
+    True
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('42.06')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('42.06'), Decimal('0.00'), Decimal('42.05'))
+    >>> invoice.save()
+    >>> invoice.total_amount
+    Decimal('42.05')
+
+Post invoice::
+
+    >>> invoice.click('post')
+    >>> invoice.total_amount
+    Decimal('42.05')
+
+    >>> cash_rounding_credit.reload()
+    >>> cash_rounding_credit.credit, cash_rounding_credit.debit
+    (Decimal('0.00'), Decimal('0.00'))
+
+    >>> line_to_pay, = invoice.lines_to_pay
+    >>> line_to_pay.debit, line_to_pay.credit
+    (Decimal('21.03'), Decimal('0'))
+    >>> line_to_pay.amount_second_currency
+    Decimal('42.05')

tests/test_account_cash_rounding.py

@@ -26,6 +26,11 @@ def suite():
             tearDown=doctest_teardown, encoding='utf-8',
             checker=doctest_checker,
             optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
+    suite.addTests(doctest.DocFileSuite(
+            'scenario_account_cash_rounding_alternate_currency.rst',
+            tearDown=doctest_teardown, encoding='utf-8',
+            checker=doctest_checker,
+            optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
     suite.addTests(doctest.DocFileSuite(
             'scenario_account_cash_rounding_sale.rst',
             tearDown=doctest_teardown, encoding='utf-8',