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modules/sale_invoice_date/tests/scenario_sale_invoice_date.rst

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+==========================
+Sale Invoice Date Scenario
+==========================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from dateutil.relativedelta import relativedelta
+
+    >>> from proteus import Model
+    >>> 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, assertEqual
+
+    >>> today = dt.date.today()
+    >>> end_month = today + relativedelta(day=31)
+
+Activate modules::
+
+    >>> config = activate_modules('sale_invoice_date', create_company, create_chart)
+
+    >>> Party = Model.get('party.party')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> ProductUom = Model.get('product.uom')
+    >>> InvoiceTerm = Model.get('sale.invoice.term')
+    >>> Sale = Model.get('sale.sale')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=(today, end_month)))
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create invoice term::
+
+    >>> invoice_term = InvoiceTerm(name="End of Month")
+    >>> relative_delta = invoice_term.relative_deltas.new()
+    >>> relative_delta.day = 31
+    >>> invoice_term.save()
+
+Create parties::
+
+    >>> customer = Party(name="Customer")
+    >>> customer.sale_invoice_term = invoice_term
+    >>> customer.save()
+
+Create account categories::
+
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_expense = accounts['expense']
+    >>> account_category.account_revenue = accounts['revenue']
+    >>> account_category.save()
+
+Create product::
+
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.list_price = Decimal('10')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Make a sale::
+
+    >>> sale = Sale(party=customer)
+    >>> assertEqual(sale.invoice_term, invoice_term)
+    >>> line = sale.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> sale.click('quote')
+    >>> sale.click('confirm')
+    >>> sale.state
+    'processing'
+
+Check invoice date::
+
+    >>> invoice, = sale.invoices
+    >>> assertEqual(invoice.invoice_date, end_month)