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modules/account_invoice/tests/scenario_invoice_customer_sequential.rst

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+===========================
+Customer Invoice Sequential
+===========================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model, Wizard
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, get_accounts)
+    >>> from trytond.modules.account_invoice.tests.tools import (
+    ...     set_fiscalyear_invoice_sequences)
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules
+
+    >>> today = dt.date.today()
+    >>> past_year = today - dt.timedelta(days=365)
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal years::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=past_year))
+    >>> fiscalyear.click('create_period')
+
+    >>> renew_fiscalyear = Wizard('account.fiscalyear.renew')
+    >>> renew_fiscalyear.execute('create_')
+    >>> next_fiscalyear, = renew_fiscalyear.actions[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create invoice invoice second period and next year::
+
+    >>> Invoice = Model.get('account.invoice')
+
+    >>> invoice = Invoice(type='out')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = fiscalyear.periods[1].start_date
+    >>> line = invoice.lines.new()
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('10')
+    >>> line.account = accounts['revenue']
+    >>> invoice.click('post')
+
+    >>> invoice = Invoice(type='out')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = next_fiscalyear.periods[0].start_date
+    >>> line = invoice.lines.new()
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('20')
+    >>> line.account = accounts['revenue']
+    >>> invoice.click('post')
+
+Try to post invoice on first period::
+
+    >>> invoice = Invoice(type='out')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = fiscalyear.periods[0].start_date
+    >>> line = invoice.lines.new()
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('5')
+    >>> line.account = accounts['revenue']
+    >>> invoice.save()
+
+    >>> invoice.click('post')
+    Traceback (most recent call last):
+        ...
+    InvoiceNumberError: ...
+
+Post invoice on the third period::
+
+    >>> invoice.invoice_date = fiscalyear.periods[2].start_date
+    >>> invoice.click('post')