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Purchase Invoice Line Standalone Scenario
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Imports::

    >>> import datetime
    >>> from dateutil.relativedelta import relativedelta
    >>> from decimal import Decimal
    >>> from operator import attrgetter
    >>> from proteus import Model, Wizard
    >>> from trytond.tests.tools import activate_modules, set_user
    >>> from trytond.modules.company.tests.tools import create_company, \
    ...     get_company
    >>> from trytond.modules.account.tests.tools import create_fiscalyear, \
    ...     create_chart, get_accounts, create_tax
    >>> from trytond.modules.account_invoice.tests.tools import \
    ...     set_fiscalyear_invoice_sequences, create_payment_term
    >>> today = datetime.date.today()

Install purchase_invoice_line_standalone::

    >>> current_config = activate_modules('purchase_invoice_line_standalone')

Create company::

    >>> _ = create_company()
    >>> company = get_company()

Create an accountant user::

    >>> User = Model.get('res.user')
    >>> Group = Model.get('res.group')
    >>> accountant = User()
    >>> accountant.name = 'Accountant'
    >>> accountant.login = 'accountant'
    >>> account_group, = Group.find([('name', '=', 'Account')])
    >>> accountant.groups.append(account_group)
    >>> accountant.save()

Create fiscal year::

    >>> fiscalyear = set_fiscalyear_invoice_sequences(
    ...     create_fiscalyear(company))
    >>> fiscalyear.click('create_period')

Create chart of accounts::

    >>> _ = create_chart(company)
    >>> accounts = get_accounts(company)
    >>> receivable = accounts['receivable']
    >>> revenue = accounts['revenue']
    >>> expense = accounts['expense']

Create parties::

    >>> Party = Model.get('party.party')
    >>> supplier = Party(name='Supplier')
    >>> supplier.save()
    >>> customer = Party(name='Customer')
    >>> customer.save()

Create account category::

    >>> ProductCategory = Model.get('product.category')
    >>> account_category = ProductCategory(name="Account Category")
    >>> account_category.accounting = True
    >>> account_category.account_expense = expense
    >>> account_category.account_revenue = revenue
    >>> account_category.save()

Create product::

    >>> ProductUom = Model.get('product.uom')
    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
    >>> ProductTemplate = Model.get('product.template')

    >>> template = ProductTemplate()
    >>> template.name = 'product'
    >>> template.default_uom = unit
    >>> template.type = 'goods'
    >>> template.purchasable = True
    >>> template.salable = True
    >>> template.list_price = Decimal('10')
    >>> template.cost_price_method = 'fixed'
    >>> template.account_category = account_category
    >>> product, = template.products
    >>> product.cost_price = Decimal('5')
    >>> template.save()
    >>> product, = template.products

Create payment term::

    >>> payment_term = create_payment_term()
    >>> payment_term.save()

Purchase 5 products::

    >>> Purchase = Model.get('purchase.purchase')
    >>> PurchaseLine = Model.get('purchase.line')
    >>> purchase = Purchase()
    >>> purchase.party = supplier
    >>> purchase.payment_term = payment_term
    >>> purchase.invoice_method = 'order'
    >>> purchase_line = PurchaseLine()
    >>> purchase.lines.append(purchase_line)
    >>> purchase_line.product = product
    >>> purchase_line.quantity = 2.0
    >>> purchase_line = PurchaseLine()
    >>> purchase.lines.append(purchase_line)
    >>> purchase_line.product = product
    >>> purchase_line.quantity = 3.0
    >>> purchase_line = PurchaseLine()
    >>> purchase.lines.append(purchase_line)
    >>> purchase_line.product = product
    >>> purchase_line.quantity = 4.0
    >>> purchase_line = PurchaseLine()
    >>> purchase.lines.append(purchase_line)
    >>> purchase_line.type = 'subtotal'
    >>> purchase_line.description = 'Subtotal'
    >>> purchase.click('quote')
    >>> purchase.click('confirm')
    >>> purchase.click('process')
    >>> purchase.state
    'processing'
    >>> purchase.reload()
    >>> len(purchase.moves)
    3
    >>> len(purchase.shipment_returns)
    0
    >>> len(purchase.invoices)
    0
    >>> len(purchase.invoice_lines)
    3


Create a supplier invoice::

    >>> Invoice = Model.get('account.invoice')
    >>> invoice = Invoice()
    >>> invoice.type = 'in'
    >>> invoice.party = supplier
    >>> len(invoice.lines.find())
    3
    >>> line1 = invoice.lines.find()[0]
    >>> invoice.lines.append(line1)
    >>> invoice.save()

Create a supplier invoice with an accountant::

    >>> set_user(accountant)
    >>> Invoice = Model.get('account.invoice')
    >>> Partner = Model.get('party.party')
    >>> supplier, = Partner.find([('name', '=', 'Supplier')])

    >>> invoice = Invoice()
    >>> invoice.type = 'in'
    >>> invoice.party = supplier
    >>> len(invoice.lines.find())
    2
    >>> _ = [invoice.lines.append(l) for l in invoice.lines.find()]
    >>> invoice.save()

    >>> _ = invoice.lines.pop()
    >>> invoice.save()
