==========================
Sale Subscription Scenario
==========================

Imports::

    >>> import datetime
    >>> from decimal import Decimal

    >>> from proteus import Model, Wizard
    >>> from trytond.modules.account.tests.tools import create_chart, get_accounts
    >>> from trytond.modules.company.tests.tools import create_company
    >>> from trytond.tests.tools import activate_modules, assertEqual

Activate modules::

    >>> config = activate_modules('sale_subscription', create_company, create_chart)

Create sale user::

    >>> User = Model.get('res.user')
    >>> Group = Model.get('res.group')

    >>> sale_user = User()
    >>> sale_user.name = 'Sale'
    >>> sale_user.login = 'sale'
    >>> sale_group, = Group.find([('name', '=', 'Sales')])
    >>> sale_user.groups.append(sale_group)
    >>> sale_user.save()

Create product user::

    >>> product_user = User()
    >>> product_user.name = 'Product'
    >>> product_user.login = 'product'
    >>> product_group, = Group.find([('name', '=', 'Product Administration')])
    >>> product_user.groups.append(product_group)
    >>> product_user.save()

Get accounts::

    >>> accounts = get_accounts()
    >>> revenue = accounts['revenue']

Create party::

    >>> Party = Model.get('party.party')

    >>> customer = Party(name='Customer')
    >>> customer.save()

Create subscription recurrence rule sets::

    >>> RecurrenceRuleSet = Model.get('sale.subscription.recurrence.rule.set')

    >>> monthly = RecurrenceRuleSet(name='Monthly')
    >>> rule, = monthly.rules
    >>> rule.freq = 'monthly'
    >>> rule.interval = 1
    >>> monthly.save()

    >>> daily = RecurrenceRuleSet(name='Daily')
    >>> rule, = daily.rules
    >>> rule.freq = 'daily'
    >>> rule.interval = 1
    >>> daily.save()

Create account category::

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

Create subscription service::

    >>> Service = Model.get('sale.subscription.service')
    >>> ProductTemplate = Model.get('product.template')
    >>> Uom = Model.get('product.uom')

    >>> unit, = Uom.find([('name', '=', 'Unit')])

    >>> template = ProductTemplate()
    >>> template.name = 'Rental'
    >>> template.default_uom = unit
    >>> template.type = 'service'
    >>> template.list_price = Decimal('10')
    >>> template.account_category = account_category
    >>> template.save()
    >>> product, = template.products

    >>> service = Service()
    >>> service.product = product
    >>> service.consumption_recurrence = daily
    >>> service.save()

Subscribe::

    >>> Subscription = Model.get('sale.subscription')

    >>> subscription = Subscription()
    >>> subscription.party = customer
    >>> subscription.start_date = datetime.date(2016, 1, 1)
    >>> subscription.invoice_start_date = datetime.date(2016, 2, 1)
    >>> subscription.invoice_recurrence = monthly
    >>> line = subscription.lines.new()
    >>> line.service = service
    >>> line.quantity = 10
    >>> assertEqual(line.start_date, subscription.start_date)

    >>> subscription.click('quote')
    >>> subscription.state
    'quotation'
    >>> subscription.click('run')
    >>> subscription.state
    'running'

Create line consumption::

    >>> LineConsumption = Model.get('sale.subscription.line.consumption')

    >>> line_consumption_create = Wizard(
    ...     'sale.subscription.line.consumption.create')
    >>> line_consumption_create.form.date = datetime.date(2016, 1, 31)
    >>> line_consumption_create.execute('create_')

    >>> len(LineConsumption.find([]))
    31

    >>> subscription.reload()
    >>> line, = subscription.lines
    >>> line.next_consumption_date
    datetime.date(2016, 2, 1)

Create subscription invoice::

    >>> Invoice = Model.get('account.invoice')

    >>> create_invoice = Wizard('sale.subscription.create_invoice')
    >>> create_invoice.form.date = datetime.date(2016, 2, 1)
    >>> create_invoice.execute('create_')

    >>> invoice, = Invoice.find([])
    >>> invoice.invoice_date
    datetime.date(2016, 2, 1)
    >>> line, = invoice.lines
    >>> line.quantity
    310.0
    >>> line.unit_price
    Decimal('10.0000')

    >>> subscription.reload()
    >>> subscription.next_invoice_date
    datetime.date(2016, 3, 1)

Close subscription::

    >>> subscription.click('draft')
    >>> subscription.state
    'draft'
    >>> line, = subscription.lines
    >>> line.end_date = datetime.date(2016, 1, 31)
    >>> subscription.click('quote')
    >>> subscription.click('run')
    >>> subscription.state
    'running'

    >>> line_consumption_create = Wizard(
    ...     'sale.subscription.line.consumption.create')
    >>> line_consumption_create.form.date = datetime.date(2016, 2, 1)
    >>> line_consumption_create.execute('create_')

    >>> len(LineConsumption.find([]))
    31

    >>> subscription.reload()
    >>> line, = subscription.lines
    >>> line.next_consumption_date
    >>> subscription.state
    'closed'

Create final subscription invoice::

    >>> create_invoice = Wizard('sale.subscription.create_invoice')
    >>> create_invoice.form.date = datetime.date(2016, 3, 1)
    >>> create_invoice.execute('create_')

    >>> len(Invoice.find([]))
    1