first commit

modules/account_invoice/tests/__init__.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from .test_module import set_invoice_sequences
+
+__all__ = ['set_invoice_sequences']

modules/account_invoice/tests/scenario_cancelling_invoice_move.rst

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+================================
+Cancelling Invoice Move Scenario
+================================
+
+Imports::
+
+    >>> 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.exceptions import CancelInvoiceMoveWarning
+    >>> 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Party = Model.get('party.party')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductUom = Model.get('product.uom')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> Invoice = Model.get('account.invoice')
+    >>> Warning = Model.get('res.user.warning')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create party::
+
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Create account category::
+
+    >>> 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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('40')
+
+Post invoice and cancel the created move::
+
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> cancel_move = Wizard('account.move.cancel', [invoice.move])
+    >>> cancel_move.form.description = 'Cancel'
+    >>> cancel_move.execute('cancel')
+    Traceback (most recent call last):
+        ...
+    CancelInvoiceMoveWarning: ...
+
+Bypass the warning and cancel the move::
+
+    >>> try:
+    ...     cancel_move.execute('cancel')
+    ... except CancelInvoiceMoveWarning as warning:
+    ...     Warning(user=config.user, name=warning.name).save()
+    >>> cancel_move.execute('cancel')
+    >>> cancel_move.state
+    'end'
+
+    >>> invoice.reload()
+    >>> [bool(l.reconciliation) for l in invoice.move.lines
+    ...     if l.account == accounts['receivable']]
+    [True]
+    >>> invoice.state
+    'paid'

modules/account_invoice/tests/scenario_credit_note.rst

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+====================
+Credit Note Scenario
+====================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> receivable = accounts['receivable']
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+    >>> account_cash = accounts['cash']
+
+Create tax::
+
+    >>> TaxCode = Model.get('account.tax.code')
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+
+Create payment method::
+
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> Sequence = Model.get('ir.sequence')
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = 'Cash'
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = account_cash
+    >>> payment_method.debit_account = account_cash
+    >>> payment_method.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.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.customer_taxes.append(tax)
+    >>> 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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create credit note::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = -5
+    >>> line.unit_price = Decimal('40')
+    >>> invoice.total_amount
+    Decimal('-220.00')
+    >>> invoice.save()
+
+Post credit note::
+
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+
+Pay credit note::
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('-220.00')
+    >>> pay.form.amount = Decimal('-120.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.form.type = 'partial'
+    >>> pay.form.amount
+    Decimal('-120.00')
+    >>> len(pay.form.lines_to_pay)
+    1
+    >>> len(pay.form.payment_lines)
+    0
+    >>> len(pay.form.lines)
+    1
+    >>> pay.form.amount_writeoff
+    Decimal('-100.00')
+    >>> pay.execute('pay')
+    >>> pay.state
+    'end'
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('-100.00')
+    >>> pay.form.amount = Decimal('-100.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> invoice.state
+    'paid'
+    >>> sorted(l.debit for l in invoice.reconciliation_lines)
+    [Decimal('100.00'), Decimal('120.00')]

modules/account_invoice/tests/scenario_invoice.rst

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+================
+Invoice Scenario
+================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from stdnum import iso11649
+
+    >>> from proteus import Model, Wizard
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, create_tax_code, get_accounts)
+    >>> from trytond.modules.account_invoice.tests.tools import (
+    ...     set_fiscalyear_invoice_sequences)
+    >>> from trytond.modules.company.tests.tools import create_company, get_company
+    >>> from trytond.tests.tools import activate_modules, assertEqual, assertTrue
+
+    >>> today = dt.date.today()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Setup company::
+
+    >>> company = get_company()
+    >>> tax_identifier = company.party.identifiers.new()
+    >>> tax_identifier.type = 'eu_vat'
+    >>> tax_identifier.code = 'BE0897290877'
+    >>> company.party.save()
+
+Set employee::
+
+    >>> User = Model.get('res.user')
+    >>> Party = Model.get('party.party')
+    >>> Employee = Model.get('company.employee')
+    >>> employee_party = Party(name="Employee")
+    >>> employee_party.save()
+    >>> employee = Employee(party=employee_party)
+    >>> employee.save()
+    >>> user = User(config.user)
+    >>> user.employees.append(employee)
+    >>> user.employee = employee
+    >>> user.save()
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+    >>> period_ids = [p.id for p in fiscalyear.periods]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> receivable = accounts['receivable']
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+    >>> account_tax = accounts['tax']
+    >>> account_cash = accounts['cash']
+
+Create tax::
+
+    >>> TaxCode = Model.get('account.tax.code')
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+    >>> invoice_base_code = create_tax_code(tax, 'base', 'invoice')
+    >>> invoice_base_code.save()
+    >>> invoice_tax_code = create_tax_code(tax, 'tax', 'invoice')
+    >>> invoice_tax_code.save()
+    >>> credit_note_base_code = create_tax_code(tax, 'base', 'credit')
+    >>> credit_note_base_code.save()
+    >>> credit_note_tax_code = create_tax_code(tax, 'tax', 'credit')
+    >>> credit_note_tax_code.save()
+
+Create payment method::
+
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> Sequence = Model.get('ir.sequence')
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = 'Cash'
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = account_cash
+    >>> payment_method.debit_account = account_cash
+    >>> payment_method.save()
+
+Create Write Off method::
+
+    >>> WriteOff = Model.get('account.move.reconcile.write_off')
+    >>> journal_writeoff, = Journal.find(
+    ...     [('code', '=', 'EXC'), ('type', '=', 'write-off')], limit=1)
+    >>> writeoff_method = WriteOff()
+    >>> writeoff_method.name = 'Rate loss'
+    >>> writeoff_method.journal = journal_writeoff
+    >>> writeoff_method.credit_account = expense
+    >>> writeoff_method.debit_account = expense
+    >>> writeoff_method.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.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.customer_taxes.append(tax)
+    >>> 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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create payment term::
+
+    >>> PaymentTerm = Model.get('account.invoice.payment_term')
+    >>> payment_term = PaymentTerm(name='Term')
+    >>> line = payment_term.lines.new(type='percent', ratio=Decimal('.5'))
+    >>> delta, = line.relativedeltas
+    >>> delta.days = 20
+    >>> line = payment_term.lines.new(type='remainder')
+    >>> delta = line.relativedeltas.new(days=40)
+    >>> payment_term.save()
+
+Create invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> InvoiceLine = Model.get('account.invoice.line')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> line = InvoiceLine()
+    >>> invoice.lines.append(line)
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('40')
+    >>> line = InvoiceLine()
+    >>> invoice.lines.append(line)
+    >>> line.account = revenue
+    >>> line.description = 'Test'
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(20)
+    >>> invoice.untaxed_amount
+    Decimal('220.00')
+    >>> invoice.tax_amount
+    Decimal('20.00')
+    >>> invoice.total_amount
+    Decimal('240.00')
+    >>> invoice.save()
+    >>> bool(invoice.has_report_cache)
+    False
+
+Test change tax::
+
+    >>> tax_line, = invoice.taxes
+    >>> assertEqual(tax_line.tax, tax)
+    >>> tax_line.tax = None
+    >>> tax_line.tax = tax
+
+Validate invoice::
+
+    >>> invoice.click('validate_invoice')
+    >>> assertEqual(invoice.validated_by, employee)
+
+Post invoice::
+
+    >>> invoice.invoice_date = today
+    >>> invoice.click('post')
+    >>> assertEqual(invoice.posted_by, employee)
+    >>> invoice.state
+    'posted'
+    >>> invoice.tax_identifier.code
+    'BE0897290877'
+    >>> assertTrue(iso11649.validate(invoice.customer_payment_reference))
+    >>> bool(invoice.has_report_cache)
+    True
+    >>> invoice.untaxed_amount
+    Decimal('220.00')
+    >>> invoice.tax_amount
+    Decimal('20.00')
+    >>> invoice.total_amount
+    Decimal('240.00')
+    >>> receivable.reload()
+    >>> receivable.debit
+    Decimal('240.00')
+    >>> receivable.credit
+    Decimal('0.00')
+    >>> revenue.reload()
+    >>> revenue.debit
+    Decimal('0.00')
+    >>> revenue.credit
+    Decimal('220.00')
+    >>> account_tax.reload()
+    >>> account_tax.debit
+    Decimal('0.00')
+    >>> account_tax.credit
+    Decimal('20.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_base_code = TaxCode(invoice_base_code.id)
+    ...     invoice_base_code.amount
+    Decimal('200.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_tax_code = TaxCode(invoice_tax_code.id)
+    ...     invoice_tax_code.amount
+    Decimal('20.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_base_code = TaxCode(credit_note_base_code.id)
+    ...     credit_note_base_code.amount
+    Decimal('0.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_tax_code = TaxCode(credit_note_tax_code.id)
+    ...     credit_note_tax_code.amount
+    Decimal('0.00')
+
+Credit invoice with refund::
+
+    >>> credit = Wizard('account.invoice.credit', [invoice])
+    >>> credit.form.with_refund = True
+    >>> credit.form.invoice_date = invoice.invoice_date
+    >>> credit.execute('credit')
+    >>> invoice.reload()
+    >>> invoice.state
+    'cancelled'
+    >>> bool(invoice.cancel_move)
+    True
+    >>> bool(invoice.reconciled)
+    True
+    >>> credit_note, = Invoice.find([
+    ...     ('type', '=', 'out'), ('id', '!=', invoice.id)])
+    >>> credit_note.state
+    'paid'
+    >>> for line in credit_note.lines:
+    ...     assertEqual(line.taxes_date, today)
+    >>> receivable.reload()
+    >>> receivable.debit
+    Decimal('240.00')
+    >>> receivable.credit
+    Decimal('240.00')
+    >>> revenue.reload()
+    >>> revenue.debit
+    Decimal('220.00')
+    >>> revenue.credit
+    Decimal('220.00')
+    >>> account_tax.reload()
+    >>> account_tax.debit
+    Decimal('20.00')
+    >>> account_tax.credit
+    Decimal('20.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_base_code = TaxCode(invoice_base_code.id)
+    ...     invoice_base_code.amount
+    Decimal('200.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_tax_code = TaxCode(invoice_tax_code.id)
+    ...     invoice_tax_code.amount
+    Decimal('20.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_base_code = TaxCode(credit_note_base_code.id)
+    ...     credit_note_base_code.amount
+    Decimal('200.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_tax_code = TaxCode(credit_note_tax_code.id)
+    ...     credit_note_tax_code.amount
+    Decimal('20.00')
+
+Unreconcile cancelled invoice::
+
+    >>> unreconcile_lines = Wizard(
+    ...     'account.move.unreconcile_lines', invoice.move.lines)
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> invoice.cancel_move
+
+Pay invoice::
+
+    >>> invoice, = invoice.duplicate()
+    >>> invoice.click('post')
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('240.00')
+    >>> pay.form.amount = Decimal('120.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('120.00')
+    >>> pay.form.amount = Decimal('20.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.form.type = 'partial'
+    >>> pay.form.amount
+    Decimal('20.00')
+    >>> len(pay.form.lines_to_pay)
+    1
+    >>> len(pay.form.payment_lines)
+    0
+    >>> len(pay.form.lines)
+    1
+    >>> pay.form.amount_writeoff
+    Decimal('100.00')
+    >>> pay.execute('pay')
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('-20.00')
+    >>> pay.form.amount = Decimal('99.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.form.type = 'writeoff'
+    >>> pay.form.writeoff = writeoff_method
+    >>> pay.form.amount
+    Decimal('99.00')
+    >>> len(pay.form.lines_to_pay)
+    1
+    >>> len(pay.form.payment_lines)
+    1
+    >>> len(pay.form.lines)
+    1
+    >>> pay.form.amount_writeoff
+    Decimal('1.00')
+    >>> pay.execute('pay')
+
+    >>> invoice.state
+    'paid'
+    >>> sorted(l.credit for l in invoice.reconciliation_lines)
+    [Decimal('1.00'), Decimal('20.00'), Decimal('99.00'), Decimal('120.00')]
+
+Create empty invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> invoice.click('post')
+    >>> invoice.state
+    'paid'
+
+Create some complex invoice and test its taxes base rounding::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('0.0035')
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('0.0035')
+    >>> invoice.save()
+    >>> invoice.untaxed_amount
+    Decimal('0.00')
+    >>> assertEqual(invoice.taxes[0].base, invoice.untaxed_amount)
+    >>> empty_invoice, found_invoice = Invoice.find(
+    ...     [('untaxed_amount', '=', Decimal(0))], order=[('id', 'ASC')])
+    >>> assertEqual(found_invoice, invoice)
+    >>> empty_invoice, found_invoice = Invoice.find(
+    ...     [('total_amount', '=', Decimal(0))], order=[('id', 'ASC')])
+    >>> assertEqual(found_invoice, invoice)
+
+Clear company tax_identifier::
+
+    >>> tax_identifier, = company.party.identifiers
+    >>> tax_identifier.type = None
+    >>> tax_identifier.save()
+
+Create a paid invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('40')
+    >>> invoice.click('post')
+    >>> pay = invoice.click('pay')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+    >>> invoice.tax_identifier
+    >>> invoice.state
+    'paid'
+
+The invoice is posted when the reconciliation is deleted::
+
+    >>> invoice.payment_lines[0].reconciliation.delete()
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> invoice.tax_identifier
+
+Credit invoice with non line lines::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('40')
+    >>> line = invoice.lines.new()
+    >>> line.type = 'comment'
+    >>> line.description = 'Comment'
+    >>> invoice.click('post')
+    >>> credit = Wizard('account.invoice.credit', [invoice])
+    >>> credit.form.with_refund = True
+    >>> credit.execute('credit')

modules/account_invoice/tests/scenario_invoice_alternate_currency.rst

@@ -0,0 +1,194 @@
+===================================
+Invoice Scenario Alternate Currency
+===================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, get_accounts)
+    >>> from trytond.modules.account_invoice.exceptions import InvoiceTaxesWarning
+    >>> from trytond.modules.account_invoice.tests.tools import (
+    ...     set_fiscalyear_invoice_sequences)
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.modules.currency.tests.tools import get_currency
+    >>> from trytond.tests.tools import activate_modules
+
+    >>> today = dt.date.today()
+    >>> tomorrow = today + dt.timedelta(days=1)
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Warning = Model.get('res.user.warning')
+
+Get currencies::
+
+    >>> currency = get_currency('USD')
+    >>> eur = get_currency('EUR')
+
+Set alternate currency rates::
+
+    >>> rate = eur.rates.new()
+    >>> rate.date = today
+    >>> rate.rate = eur.rates[0].rate
+    >>> rate = eur.rates.new()
+    >>> rate.date = tomorrow
+    >>> rate.rate = eur.rates[0].rate + Decimal('0.5')
+    >>> eur.save()
+
+Create fiscal years::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=(today, tomorrow)))
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+    >>> account_tax = accounts['tax']
+    >>> account_cash = accounts['cash']
+
+Create tax::
+
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+
+Create payment method::
+
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = 'Cash'
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = account_cash
+    >>> payment_method.debit_account = account_cash
+    >>> payment_method.save()
+
+Create writeoff method::
+
+    >>> WriteOff = Model.get('account.move.reconcile.write_off')
+    >>> journal_writeoff = Journal(name='Write-Off', type='write-off')
+    >>> journal_writeoff.save()
+    >>> writeoff = WriteOff()
+    >>> writeoff.name = 'Rate loss'
+    >>> writeoff.journal = journal_writeoff
+    >>> writeoff.credit_account = expense
+    >>> writeoff.debit_account = expense
+    >>> writeoff.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.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.customer_taxes.append(tax)
+    >>> 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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create invoice with alternate currency::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.currency = eur
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('80')
+    >>> line.amount
+    Decimal('400.00')
+    >>> line = invoice.lines.new()
+    >>> line.account = revenue
+    >>> line.description = 'Test'
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(20)
+    >>> line.amount
+    Decimal('20.00')
+    >>> invoice.untaxed_amount
+    Decimal('420.00')
+    >>> invoice.tax_amount
+    Decimal('40.00')
+    >>> invoice.total_amount
+    Decimal('460.00')
+    >>> invoice.invoice_date = today
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.untaxed_amount
+    Decimal('420.00')
+    >>> invoice.tax_amount
+    Decimal('40.00')
+    >>> invoice.total_amount
+    Decimal('460.00')
+
+Create negative tax::
+
+    >>> negative_tax = create_tax(Decimal('-.10'))
+    >>> negative_tax.save()
+
+Create invoice with alternate currency and negative taxes::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.currency = eur
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('80')
+    >>> _ = line.taxes.pop(0)
+    >>> line.taxes.append(negative_tax)
+    >>> line.amount
+    Decimal('400.00')
+    >>> invoice.untaxed_amount
+    Decimal('400.00')
+    >>> invoice.tax_amount
+    Decimal('-40.00')
+    >>> invoice.total_amount
+    Decimal('360.00')
+    >>> try:
+    ...     invoice.click('post')
+    ... except InvoiceTaxesWarning as warning:
+    ...     Warning(user=config.user, name=warning.name).save()
+    ...     raise
+    Traceback (most recent call last):
+        ...
+    InvoiceTaxesWarning: ...
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.untaxed_amount
+    Decimal('400.00')
+    >>> invoice.tax_amount
+    Decimal('-40.00')
+    >>> invoice.total_amount
+    Decimal('360.00')
+

modules/account_invoice/tests/scenario_invoice_alternate_currency_exchange.rst

@@ -0,0 +1,98 @@
+=================================================
+Invoice Scenario Alternate Currency with Exchange
+=================================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> 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.modules.currency.tests.tools import get_currency
+    >>> from trytond.tests.tools import activate_modules
+
+    >>> today = dt.date.today()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Configuration = Model.get('account.configuration')
+    >>> Invoice = Model.get('account.invoice')
+    >>> Party = Model.get('party.party')
+    >>> PaymentTerm = Model.get('account.invoice.payment_term')
+
+Get currencies::
+
+    >>> currency = get_currency('USD')
+    >>> eur = get_currency('EUR')
+
+Set alternate currency rates::
+
+    >>> rate, = eur.rates
+    >>> rate.rate = Decimal('0.3')
+    >>> eur.save()
+
+Create fiscal years::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Configure currency exchange::
+
+    >>> currency_exchange_account, = (
+    ...     accounts['revenue'].duplicate(
+    ...         default={'name': "Currency Exchange"}))
+    >>> configuration = Configuration(1)
+    >>> configuration.currency_exchange_credit_account = (
+    ...     currency_exchange_account)
+    >>> configuration.save()
+
+Create payment term::
+
+    >>> payment_term = PaymentTerm(name="Payment Term")
+    >>> line = payment_term.lines.new(type='percent', ratio=Decimal('.5'))
+    >>> line = payment_term.lines.new(type='remainder')
+    >>> payment_term.save()
+
+Create party::
+
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Create invoice::
+
+    >>> invoice = Invoice(party=party)
+    >>> invoice.currency = eur
+    >>> invoice.payment_term = payment_term
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('100.0000')
+    >>> invoice.invoice_date = today
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.total_amount
+    Decimal('100.00')
+
+Check accounts::
+
+    >>> accounts['receivable'].reload()
+    >>> accounts['receivable'].balance
+    Decimal('333.34')
+    >>> accounts['receivable'].amount_second_currency
+    Decimal('100.00')
+
+    >>> currency_exchange_account.reload()
+    >>> currency_exchange_account.balance
+    Decimal('-0.01')

modules/account_invoice/tests/scenario_invoice_alternate_currency_lower_rate.rst

@@ -0,0 +1,96 @@
+==============================================
+Invoice Scenario Alternate Currency Lower Rate
+==============================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> 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.modules.currency.tests.tools import get_currency
+    >>> from trytond.tests.tools import activate_modules, assertEqual
+
+    >>> today = dt.date.today()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Get currencies::
+
+    >>> currency = get_currency('USD')
+    >>> eur = get_currency('EUR')
+
+Set alternate currency rates::
+
+    >>> rate = eur.rates.new()
+    >>> rate.date = today
+    >>> rate.rate = Decimal('0.5')
+    >>> eur.save()
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create payment method::
+
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> Sequence = Model.get('ir.sequence')
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = 'Cash'
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = accounts['cash']
+    >>> payment_method.debit_account = accounts['cash']
+    >>> payment_method.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create invoice with alternate currency::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.currency = eur
+    >>> line = invoice.lines.new()
+    >>> line.description = "Line"
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('80')
+    >>> invoice.invoice_date = today
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.total_amount
+    Decimal('400.00')
+
+Pay the invoice::
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount
+    Decimal('400.00')
+    >>> assertEqual(pay.form.currency, eur)
+    >>> pay.form.payment_method = payment_method
+    >>> pay.form.date = today
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+    >>> invoice.state
+    'paid'

modules/account_invoice/tests/scenario_invoice_alternate_currency_rate_change.rst

@@ -0,0 +1,117 @@
+===============================================
+Invoice Scenario Alternate Currency Rate Change
+===============================================
+
+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.modules.currency.tests.tools import get_currency
+    >>> from trytond.tests.tools import activate_modules, assertEqual
+
+    >>> today = dt.date.today()
+    >>> tomorrow = today + dt.timedelta(days=1)
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Configuration = Model.get('account.configuration')
+    >>> Invoice = Model.get('account.invoice')
+    >>> Journal = Model.get('account.journal')
+    >>> Party = Model.get('party.party')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+
+Get currencies::
+
+    >>> currency = get_currency('USD')
+    >>> eur = get_currency('EUR')
+
+Set alternate currency rates::
+
+    >>> rate = eur.rates.new()
+    >>> rate.date = today
+    >>> rate.rate = Decimal('1.20')
+    >>> rate = eur.rates.new()
+    >>> rate.date = tomorrow
+    >>> rate.rate = Decimal('1.10')
+    >>> eur.save()
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Configure currency exchange::
+
+    >>> currency_exchange_account, = (
+    ...     accounts['revenue'].duplicate(
+    ...         default={'name': "Currency Exchange"}))
+    >>> configuration = Configuration(1)
+    >>> configuration.currency_exchange_credit_account = (
+    ...     currency_exchange_account)
+    >>> configuration.save()
+
+Create payment method::
+
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = "Cash"
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = accounts['cash']
+    >>> payment_method.debit_account = accounts['cash']
+    >>> payment_method.save()
+
+Create party::
+
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create invoice with alternate currency::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> invoice.currency = eur
+    >>> line = invoice.lines.new()
+    >>> line.description = "Line"
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('80')
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.total_amount
+    Decimal('400.00')
+
+Pay the invoice::
+
+    >>> pay = Wizard('account.invoice.pay', [invoice])
+    >>> pay.form.amount
+    Decimal('400.00')
+    >>> assertEqual(pay.form.currency, eur)
+    >>> pay.form.payment_method = payment_method
+    >>> pay.form.date = tomorrow
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+    >>> invoice.state
+    'paid'
+
+    >>> accounts['receivable'].reload()
+    >>> abs(accounts['receivable'].balance)
+    Decimal('0.00')
+    >>> currency_exchange_account.reload()
+    >>> currency_exchange_account.balance
+    Decimal('-30.31')

modules/account_invoice/tests/scenario_invoice_alternative_payee.rst

@@ -0,0 +1,135 @@
+==================================
+Invoice Alternative Payee Scenario
+==================================
+
+Imports::
+
+    >>> 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, assertEqual
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+    >>> journal_cash, = Journal.find([
+    ...         ('code', '=', 'CASH'),
+    ...         ])
+
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = "Cash"
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = accounts['cash']
+    >>> payment_method.debit_account = accounts['cash']
+    >>> payment_method.save()
+
+Create parties::
+
+    >>> Party = Model.get('party.party')
+    >>> party1 = Party(name="Party 1")
+    >>> party1.save()
+    >>> party2 = Party(name="Party 2")
+    >>> party2.save()
+    >>> party3 = Party(name="Party 3")
+    >>> party3.save()
+
+Post customer invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party1
+    >>> invoice.alternative_payees.append(Party(party2.id))
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(10)
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> len(invoice.lines_to_pay)
+    1
+    >>> invoice.amount_to_pay
+    Decimal('10.00')
+
+    >>> party1.reload()
+    >>> party1.receivable
+    Decimal('0')
+    >>> party2.reload()
+    >>> party2.receivable
+    Decimal('10.00')
+    >>> party3.reload()
+    >>> party3.receivable
+    Decimal('0')
+
+Copying invoice with single alternative payee is kept::
+
+    >>> duplicate_inv, = invoice.duplicate()
+    >>> assertEqual(duplicate_inv.alternative_payees, invoice.alternative_payees)
+
+Set another payee::
+
+    >>> delegate = Wizard(
+    ...     'account.invoice.lines_to_pay.delegate', [invoice])
+    >>> delegate_lines, = delegate.actions
+    >>> delegate_lines.form.party = party3
+    >>> delegate_lines.execute('delegate')
+
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> len(invoice.lines_to_pay)
+    3
+    >>> invoice.amount_to_pay
+    Decimal('10.00')
+
+    >>> party1.reload()
+    >>> party1.receivable
+    Decimal('0')
+    >>> party2.reload()
+    >>> party2.receivable
+    Decimal('0')
+    >>> party3.reload()
+    >>> party3.receivable
+    Decimal('10.00')
+
+Pay the invoice::
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.payee = party3
+    >>> pay.form.amount = Decimal('10.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+    >>> invoice.state
+    'paid'
+    >>> len(invoice.payment_lines)
+    1
+    >>> len(invoice.reconciliation_lines)
+    1
+
+Copying invoice with many alternative payees remove them::
+
+    >>> duplicate_inv, = invoice.duplicate()
+    >>> duplicate_inv.alternative_payees
+    []

modules/account_invoice/tests/scenario_invoice_customer_sequential.rst

@@ -0,0 +1,86 @@
+===========================
+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')

modules/account_invoice/tests/scenario_invoice_group_line.rst

@@ -0,0 +1,148 @@
+================
+Invoice Scenario
+================
+
+Imports::
+
+    >>> 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> receivable = accounts['receivable']
+    >>> payable = accounts['payable']
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+    >>> account_cash = accounts['cash']
+
+    >>> Journal = Model.get('account.journal')
+    >>> journal_cash, = Journal.find([
+    ...         ('code', '=', 'CASH'),
+    ...         ])
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Post customer invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.account = revenue
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(10)
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.amount_to_pay
+    Decimal('10.00')
+
+Post supplier invoice::
+
+    >>> supplier_invoice = Invoice(type='in')
+    >>> supplier_invoice.party = party
+    >>> supplier_invoice.invoice_date = period.start_date
+    >>> line = supplier_invoice.lines.new()
+    >>> line.account = expense
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(5)
+    >>> supplier_invoice.click('post')
+    >>> supplier_invoice.state
+    'posted'
+    >>> supplier_invoice.amount_to_pay
+    Decimal('5.00')
+
+Group lines::
+
+    >>> Line = Model.get('account.move.line')
+    >>> lines = Line.find([('account', 'in', [payable.id, receivable.id])])
+    >>> len(lines)
+    2
+    >>> group = Wizard('account.move.line.group', lines)
+    >>> group.form.journal = journal_cash
+    >>> group.execute('group')
+
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> invoice.amount_to_pay
+    Decimal('0')
+    >>> supplier_invoice.reload()
+    >>> supplier_invoice.state
+    'posted'
+    >>> supplier_invoice.amount_to_pay
+    Decimal('0')
+
+Receive remaining line::
+
+    >>> Move = Model.get('account.move')
+    >>> move = Move()
+    >>> move.journal = journal_cash
+    >>> move.date = period.start_date
+    >>> line = move.lines.new()
+    >>> line.account = account_cash
+    >>> line.debit = Decimal(5)
+    >>> line = move.lines.new()
+    >>> line.account = receivable
+    >>> line.party = party
+    >>> line.credit = Decimal(5)
+    >>> move.click('post')
+
+    >>> lines = Line.find([
+    ...         ('account', '=', receivable.id),
+    ...         ('reconciliation', '=', None),
+    ...         ])
+    >>> reconcile_lines = Wizard('account.move.reconcile_lines', lines)
+    >>> reconcile_lines.state
+    'end'
+
+    >>> invoice.reload()
+    >>> invoice.state
+    'paid'
+    >>> invoice.amount_to_pay
+    Decimal('0')
+    >>> supplier_invoice.reload()
+    >>> supplier_invoice.state
+    'paid'
+    >>> supplier_invoice.amount_to_pay
+    Decimal('0')
+
+Remove the created reconciliation::
+
+    >>> Reconciliation = Model.get('account.move.reconciliation')
+    >>> reconciliation, = Reconciliation.find([('lines', '=', lines[0].id)])
+    >>> Reconciliation.delete([reconciliation])
+
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> invoice.amount_to_pay
+    Decimal('0')
+    >>> supplier_invoice.reload()
+    >>> supplier_invoice.state
+    'posted'
+    >>> supplier_invoice.amount_to_pay
+    Decimal('0')

modules/account_invoice/tests/scenario_invoice_in_future.rst

@@ -0,0 +1,66 @@
+=================
+Invoice in Future
+=================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> 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
+
+    >>> today = dt.date.today()
+    >>> tomorrow = today + dt.timedelta(days=1)
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=(today, tomorrow)))
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> revenue = accounts['revenue']
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.account = revenue
+    >>> line.description = 'Test'
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(20)
+
+Posting an invoice in the future raises a warning::
+
+    >>> invoice.invoice_date = tomorrow
+    >>> invoice.click('post')
+    Traceback (most recent call last):
+        ...
+    InvoiceFutureWarning: ...
+
+Post invoice::
+
+    >>> invoice.invoice_date = today
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'

modules/account_invoice/tests/scenario_invoice_manual_tax.rst

@@ -0,0 +1,81 @@
+==================
+Invoice Manual Tax
+==================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, create_tax_code, 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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> Party = Model.get('party.party')
+    >>> TaxCode = Model.get('account.tax.code')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+    >>> period_ids = [p.id for p in fiscalyear.periods]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create tax::
+
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+    >>> invoice_base_code = create_tax_code(tax, 'base', 'invoice')
+    >>> invoice_base_code.save()
+    >>> invoice_tax_code = create_tax_code(tax, 'tax', 'invoice')
+    >>> invoice_tax_code.save()
+
+Create party::
+
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Post a supplier invoice with manual taxes::
+
+    >>> invoice = Invoice(type='in')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> tax_line = invoice.taxes.new()
+    >>> bool(tax_line.manual)
+    True
+    >>> tax_line.tax = tax
+    >>> tax_line.base = Decimal('100')
+    >>> tax_line.amount
+    Decimal('10.00')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('0.00'), Decimal('10.00'), Decimal('10.00'))
+
+Post invoice and check tax codes::
+
+    >>> invoice.click('post')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('0.00'), Decimal('10.00'), Decimal('10.00'))
+
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_base_code = TaxCode(invoice_base_code.id)
+    ...     invoice_base_code.amount
+    Decimal('100.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_tax_code = TaxCode(invoice_tax_code.id)
+    ...     invoice_tax_code.amount
+    Decimal('10.00')

modules/account_invoice/tests/scenario_invoice_overpayment.rst

@@ -0,0 +1,108 @@
+============================
+Invoice Overpayment Scenario
+============================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal years::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create payment method::
+
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> journal_cash, = Journal.find([('type', '=', 'cash')])
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = 'Cash'
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = accounts['cash']
+    >>> payment_method.debit_account = accounts['cash']
+    >>> payment_method.save()
+
+Create write-off method::
+
+    >>> WriteOff = Model.get('account.move.reconcile.write_off')
+    >>> journal_writeoff = Journal(name='Write-Off', type='write-off')
+    >>> journal_writeoff.save()
+    >>> writeoff = WriteOff()
+    >>> writeoff.name = 'Write-off'
+    >>> writeoff.journal = journal_writeoff
+    >>> writeoff.credit_account = accounts['expense']
+    >>> writeoff.debit_account = accounts['expense']
+    >>> writeoff.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create an invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice(party=party)
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('100')
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> invoice.total_amount
+    Decimal('100.00')
+
+Overpay the invoice with write-off::
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount = Decimal('110.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.form.type = 'writeoff'
+    >>> pay.form.writeoff = writeoff
+    >>> pay.form.amount_writeoff
+    Decimal('-10.00')
+    >>> pay.execute('pay')
+    >>> invoice.state
+    'paid'
+
+    >>> accounts['receivable'].reload()
+    >>> accounts['receivable'].balance
+    Decimal('0.00')
+
+Overpay the invoice without write-off::
+
+    >>> invoice, = invoice.duplicate()
+    >>> invoice.click('post')
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount = Decimal('110.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.form.type = 'overpayment'
+    >>> pay.execute('pay')
+    >>> invoice.state
+    'paid'
+
+    >>> accounts['receivable'].reload()
+    >>> accounts['receivable'].balance
+    Decimal('-10.00')

modules/account_invoice/tests/scenario_invoice_report_revision.rst

@@ -0,0 +1,83 @@
+================================
+Invoice Report Revision Scenario
+================================
+
+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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> Journal = Model.get('account.journal')
+    >>> Move = Model.get('account.move')
+    >>> Party = Model.get('party.party')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> ProductUom = Model.get('product.uom')
+    >>> Sequence = Model.get('ir.sequence')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create party::
+
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Post an invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.type = 'out'
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('20')
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+
+Check invoice report::
+
+    >>> bool(invoice.invoice_report_cache)
+    True
+    >>> len(invoice.invoice_report_revisions)
+    0
+    >>> invoice.invoice_report_format
+    'odt'
+
+Execute update invoice report wizard::
+
+    >>> refresh_invoice_report = Wizard(
+    ...     'account.invoice.refresh_invoice_report', [invoice])
+    >>> revision, = invoice.invoice_report_revisions
+    >>> bool(revision.invoice_report_cache)
+    True
+    >>> revision.invoice_report_format
+    'odt'
+    >>> revision.filename
+    'Invoice-1.odt'

modules/account_invoice/tests/scenario_invoice_reschedule_lines.rst

@@ -0,0 +1,102 @@
+=================================
+Invoice Reschedule Lines Scenario
+=================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> Journal = Model.get('account.journal')
+    >>> PaymentMethod = Model.get('account.invoice.payment.method')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+    >>> journal_cash, = Journal.find([
+    ...         ('code', '=', 'CASH'),
+    ...         ])
+
+    >>> payment_method = PaymentMethod()
+    >>> payment_method.name = "Cash"
+    >>> payment_method.journal = journal_cash
+    >>> payment_method.credit_account = accounts['cash']
+    >>> payment_method.debit_account = accounts['cash']
+    >>> payment_method.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Post customer invoice::
+
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(10)
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> len(invoice.lines_to_pay)
+    1
+    >>> invoice.amount_to_pay
+    Decimal('10.00')
+
+Reschedule line::
+
+    >>> reschedule = invoice.click('reschedule_lines_to_pay')
+    >>> reschedule_lines, = reschedule.actions
+    >>> reschedule_lines.form.total_amount
+    Decimal('10.00')
+    >>> reschedule_lines.form.start_date = period.end_date
+    >>> reschedule_lines.form.frequency = 'monthly'
+    >>> reschedule_lines.form.number = 2
+    >>> reschedule_lines.execute('preview')
+    >>> reschedule_lines.execute('reschedule')
+
+    >>> invoice.reload()
+    >>> invoice.state
+    'posted'
+    >>> len(invoice.lines_to_pay)
+    4
+    >>> len([l for l in invoice.lines_to_pay if not l.reconciliation])
+    2
+    >>> invoice.amount_to_pay
+    Decimal('10.00')
+
+Pay the invoice::
+
+    >>> pay = invoice.click('pay')
+    >>> pay.form.amount = Decimal('10.00')
+    >>> pay.form.payment_method = payment_method
+    >>> pay.execute('choice')
+    >>> pay.state
+    'end'
+    >>> invoice.state
+    'paid'
+    >>> len(invoice.reconciliation_lines)
+    1

modules/account_invoice/tests/scenario_invoice_supplier.rst

@@ -0,0 +1,244 @@
+=========================
+Invoice Supplier Scenario
+=========================
+
+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, create_tax, create_tax_code, 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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+    >>> period_ids = [p.id for p in fiscalyear.periods]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> payable = accounts['payable']
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+    >>> account_tax = accounts['tax']
+
+Create tax::
+
+    >>> TaxCode = Model.get('account.tax.code')
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+    >>> invoice_base_code = create_tax_code(tax, 'base', 'invoice')
+    >>> invoice_base_code.save()
+    >>> invoice_tax_code = create_tax_code(tax, 'tax', 'invoice')
+    >>> invoice_tax_code.save()
+    >>> credit_note_base_code = create_tax_code(tax, 'base', 'credit')
+    >>> credit_note_base_code.save()
+    >>> credit_note_tax_code = create_tax_code(tax, 'tax', 'credit')
+    >>> credit_note_tax_code.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.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.supplier_taxes.append(tax)
+    >>> 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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create payment term::
+
+    >>> PaymentTerm = Model.get('account.invoice.payment_term')
+    >>> payment_term = PaymentTerm(name='Term')
+    >>> line = payment_term.lines.new(type='remainder')
+    >>> payment_term.save()
+
+Create invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> InvoiceLine = Model.get('account.invoice.line')
+    >>> invoice = Invoice()
+    >>> invoice.type = 'in'
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> invoice.invoice_date = today
+    >>> invoice.reference = 'FAC001'
+    >>> invoice.supplier_payment_reference_type = 'creditor_reference'
+    >>> invoice.supplier_payment_reference = 'RF18539007547034'
+    >>> invoice.supplier_payment_reference
+    'RF18 5390 0754 7034'
+    >>> line = InvoiceLine()
+    >>> invoice.lines.append(line)
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('20')
+    >>> line = InvoiceLine()
+    >>> invoice.lines.append(line)
+    >>> line.account = expense
+    >>> line.description = 'Test'
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal(10)
+    >>> invoice.untaxed_amount
+    Decimal('110.00')
+    >>> invoice.tax_amount
+    Decimal('10.00')
+    >>> invoice.total_amount
+    Decimal('120.00')
+    >>> invoice.save()
+    >>> invoice.state
+    'draft'
+    >>> bool(invoice.move)
+    False
+    >>> invoice.click('validate_invoice')
+    >>> invoice.state
+    'validated'
+    >>> bool(invoice.move)
+    True
+    >>> invoice.move.state
+    'draft'
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+    >>> bool(invoice.move)
+    True
+    >>> invoice.move.state
+    'posted'
+    >>> invoice.untaxed_amount
+    Decimal('110.00')
+    >>> invoice.tax_amount
+    Decimal('10.00')
+    >>> invoice.total_amount
+    Decimal('120.00')
+    >>> payable.reload()
+    >>> payable.debit
+    Decimal('0.00')
+    >>> payable.credit
+    Decimal('120.00')
+    >>> expense.reload()
+    >>> expense.debit
+    Decimal('110.00')
+    >>> expense.credit
+    Decimal('0.00')
+    >>> account_tax.reload()
+    >>> account_tax.debit
+    Decimal('10.00')
+    >>> account_tax.credit
+    Decimal('0.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_base_code = TaxCode(invoice_base_code.id)
+    ...     invoice_base_code.amount
+    Decimal('100.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_tax_code = TaxCode(invoice_tax_code.id)
+    ...     invoice_tax_code.amount
+    Decimal('10.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_base_code = TaxCode(credit_note_base_code.id)
+    ...     credit_note_base_code.amount
+    Decimal('0.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_tax_code = TaxCode(credit_note_tax_code.id)
+    ...     credit_note_tax_code.amount
+    Decimal('0.00')
+
+Credit invoice::
+
+    >>> credit = Wizard('account.invoice.credit', [invoice])
+    >>> credit.form.with_refund = False
+    >>> credit.execute('credit')
+    >>> credit_note, = Invoice.find(
+    ...     [('type', '=', 'in'), ('id', '!=', invoice.id)])
+    >>> credit_note.state
+    'draft'
+    >>> credit_note.untaxed_amount
+    Decimal('-110.00')
+    >>> credit_note.tax_amount
+    Decimal('-10.00')
+    >>> credit_note.total_amount
+    Decimal('-120.00')
+
+A warning is raised when creating an invoice with same reference::
+
+    >>> invoice = Invoice()
+    >>> invoice.type = 'in'
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> invoice.reference = 'FAC001'
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('20')
+    >>> invoice.click('post')
+    Traceback (most recent call last):
+        ...
+    InvoiceSimilarWarning: ...
+    >>> invoice.reference = 'FAC002'
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+
+Create a posted and a draft invoice to cancel::
+
+    >>> invoice = Invoice()
+    >>> invoice.type = 'in'
+    >>> invoice.party = party
+    >>> invoice.payment_term = payment_term
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> line.unit_price = Decimal('20')
+    >>> invoice.click('post')
+    >>> invoice_draft, = Invoice.duplicate([invoice])
+
+Cancel draft invoice::
+
+    >>> invoice_draft.click('cancel')
+    >>> invoice_draft.state
+    'cancelled'
+    >>> invoice_draft.move
+    >>> invoice_draft.reconciled
+
+Cancel posted invoice::
+
+    >>> invoice.click('cancel')
+    >>> invoice.state
+    'cancelled'
+    >>> invoice.cancel_move is not None
+    True
+    >>> bool(invoice.reconciled)
+    True

modules/account_invoice/tests/scenario_invoice_supplier_post_paid.rst

@@ -0,0 +1,117 @@
+==========================
+Invoice Supplier Post Paid
+==========================
+
+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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+    >>> period = fiscalyear.periods[0]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+    >>> payable = accounts['payable']
+    >>> expense = accounts['expense']
+    >>> cash = accounts['cash']
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.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.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 = 'service'
+    >>> template.list_price = Decimal('40')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Create validated invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.type = 'in'
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('20')
+    >>> invoice.click('validate_invoice')
+    >>> invoice.state
+    'validated'
+
+Pay invoice::
+
+   >>> Move = Model.get('account.move')
+   >>> Journal = Model.get('account.journal')
+   >>> journal_cash, = Journal.find([
+   ...         ('code', '=', 'CASH'),
+   ...         ])
+   >>> move = Move()
+   >>> move.period = period
+   >>> move.journal = journal_cash
+   >>> move.date = period.start_date
+   >>> line = move.lines.new()
+   >>> line.account = payable
+   >>> line.debit = Decimal('100')
+   >>> line.party = party
+   >>> line = move.lines.new()
+   >>> line.account = cash
+   >>> line.credit = Decimal('100')
+   >>> move.save()
+
+   >>> Line = Model.get('account.move.line')
+   >>> lines = Line.find([('account', '=', payable.id)])
+   >>> reconcile = Wizard('account.move.reconcile_lines', lines)
+
+Check invoice::
+
+   >>> invoice.reload()
+   >>> invoice.state
+   'validated'
+   >>> bool(invoice.reconciled)
+   True
+
+Post invoice::
+
+   >>> invoice.click('post')
+   >>> invoice.state
+   'paid'

modules/account_invoice/tests/scenario_invoice_tax_deductible.rst

@@ -0,0 +1,120 @@
+======================
+Invoice Tax Deductible
+======================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, get_accounts)
+    >>> from trytond.modules.account_invoice.exceptions import InvoiceTaxesWarning
+    >>> 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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> Party = Model.get('party.party')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> ProductUom = Model.get('product.uom')
+    >>> Warning = Model.get('res.user.warning')
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear(today=today))
+    >>> fiscalyear.click('create_period')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create tax::
+
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+
+Create party::
+
+    >>> party = Party(name="Party")
+    >>> party.save()
+
+Create account category::
+
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_expense = accounts['expense']
+    >>> account_category.supplier_taxes_deductible_rate = Decimal('.5')
+    >>> account_category.supplier_taxes.append(tax)
+    >>> account_category.save()
+
+Create product::
+
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+    >>> template = ProductTemplate()
+    >>> template.name = 'product'
+    >>> template.default_uom = unit
+    >>> template.type = 'service'
+    >>> template.list_price = Decimal('100')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+Post a supplier invoice with 0% deductible::
+
+    >>> invoice = Invoice(type='in')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 10
+    >>> line.unit_price = Decimal('50')
+    >>> line.taxes_deductible_rate
+    Decimal('0.5')
+    >>> line.taxes_deductible_rate = Decimal(0)
+    >>> line.amount
+    Decimal('550.00')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('550.00'), Decimal('0.00'), Decimal('550.00'))
+    >>> try:
+    ...     invoice.click('post')
+    ... except InvoiceTaxesWarning as warning:
+    ...     Warning(user=config.user, name=warning.name).save()
+    ...     raise
+    Traceback (most recent call last):
+        ...
+    InvoiceTaxesWarning: ...
+    >>> invoice.click('post')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('550.00'), Decimal('0.00'), Decimal('550.00'))
+    >>> len(invoice.taxes)
+    0
+
+Post a supplier invoice with 50% deductible rate::
+
+    >>> invoice = Invoice(type='in')
+    >>> invoice.party = party
+    >>> invoice.invoice_date = today
+    >>> line = invoice.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 10
+    >>> line.unit_price = Decimal('50')
+    >>> line.amount
+    Decimal('525.00')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('525.00'), Decimal('25.00'), Decimal('550.00'))
+    >>> invoice.click('post')
+    >>> invoice.untaxed_amount, invoice.tax_amount, invoice.total_amount
+    (Decimal('525.00'), Decimal('25.00'), Decimal('550.00'))
+    >>> len(invoice.taxes)
+    1

modules/account_invoice/tests/scenario_invoice_with_credit.rst

@@ -0,0 +1,102 @@
+============================
+Invoice with credit Scenario
+============================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_chart, create_fiscalyear, create_tax, create_tax_code, 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
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company, create_chart)
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(
+    ...     create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+    >>> period_ids = [p.id for p in fiscalyear.periods]
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create tax::
+
+    >>> TaxCode = Model.get('account.tax.code')
+    >>> Tax = Model.get('account.tax')
+    >>> tax = create_tax(Decimal('.10'))
+    >>> tax.save()
+    >>> invoice_base_code = create_tax_code(tax, 'base', 'invoice')
+    >>> invoice_base_code.save()
+    >>> invoice_tax_code = create_tax_code(tax, 'tax', 'invoice')
+    >>> invoice_tax_code.save()
+    >>> credit_note_base_code = create_tax_code(tax, 'base', 'credit')
+    >>> credit_note_base_code.save()
+    >>> credit_note_tax_code = create_tax_code(tax, 'tax', 'credit')
+    >>> credit_note_tax_code.save()
+
+Create party::
+
+    >>> Party = Model.get('party.party')
+    >>> party = Party(name='Party')
+    >>> party.save()
+
+Create invoice::
+
+    >>> Invoice = Model.get('account.invoice')
+    >>> invoice = Invoice()
+    >>> invoice.party = party
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('10.0000')
+    >>> line.taxes.append(Tax(tax.id))
+    >>> line = invoice.lines.new()
+    >>> line.account = accounts['revenue']
+    >>> line.quantity = -2
+    >>> line.unit_price = Decimal('5.0000')
+    >>> line.taxes.append(Tax(tax.id))
+    >>> invoice.invoice_date = fiscalyear.start_date
+    >>> invoice.click('post')
+
+    >>> invoice.untaxed_amount
+    Decimal('40.00')
+    >>> invoice.tax_amount
+    Decimal('4.00')
+    >>> invoice.total_amount
+    Decimal('44.00')
+
+Test taxes::
+
+    >>> len(invoice.taxes)
+    2
+
+    >>> accounts['tax'].reload()
+    >>> accounts['tax'].debit, accounts['tax'].credit
+    (Decimal('1.00'), Decimal('5.00'))
+
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_base_code = TaxCode(invoice_base_code.id)
+    ...     invoice_base_code.amount
+    Decimal('50.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     invoice_tax_code = TaxCode(invoice_tax_code.id)
+    ...     invoice_tax_code.amount
+    Decimal('5.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_base_code = TaxCode(credit_note_base_code.id)
+    ...     credit_note_base_code.amount
+    Decimal('10.00')
+    >>> with config.set_context(periods=period_ids):
+    ...     credit_note_tax_code = TaxCode(credit_note_tax_code.id)
+    ...     credit_note_tax_code.amount
+    Decimal('1.00')

modules/account_invoice/tests/scenario_renew_fiscalyear.rst

@@ -0,0 +1,99 @@
+=========================
+Renew Fiscalyear Scenario
+=========================
+
+Imports::
+
+    >>> import datetime as dt
+
+    >>> from proteus import Model, Wizard
+    >>> from trytond.modules.account.tests.tools import create_fiscalyear
+    >>> 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()
+
+Activate modules::
+
+    >>> config = activate_modules('account_invoice', create_company)
+
+Create fiscal year::
+
+    >>> InvoiceSequence = Model.get('account.fiscalyear.invoice_sequence')
+    >>> fiscalyear = create_fiscalyear(today=today)
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(fiscalyear)
+    >>> fiscalyear.click('create_period')
+    >>> inv_seq, = fiscalyear.invoice_sequences
+    >>> seq = inv_seq.out_invoice_sequence
+    >>> for period in fiscalyear.periods:
+    ...     seq, = seq.duplicate()
+    ...     _ = inv_seq.duplicate(default={
+    ...             'period': period.id,
+    ...             'out_invoice_sequence': seq.id,
+    ...             'in_invoice_sequence': seq.id,
+    ...             'out_credit_note_sequence': seq.id,
+    ...             'in_credit_note_sequence': seq.id,
+    ...             })
+    >>> period = fiscalyear.periods.new()
+    >>> period.name = 'Adjustment'
+    >>> period.start_date = fiscalyear.end_date
+    >>> period.end_date = fiscalyear.end_date
+    >>> period.type = 'adjustment'
+    >>> fiscalyear.save()
+
+Set the sequence number::
+
+    >>> sequence = fiscalyear.move_sequence
+    >>> sequence.number_next = 10
+    >>> sequence.save()
+
+    >>> for i, seq in enumerate(fiscalyear.invoice_sequences):
+    ...     seq.out_invoice_sequence.number_next = i
+    ...     seq.out_invoice_sequence.save()
+
+Renew fiscal year using the wizard::
+
+    >>> renew_fiscalyear = Wizard('account.fiscalyear.renew')
+    >>> renew_fiscalyear.form.reset_sequences = False
+    >>> renew_fiscalyear.execute('create_')
+    >>> new_fiscalyear, = renew_fiscalyear.actions[0]
+    >>> len(new_fiscalyear.periods)
+    12
+    >>> int(new_fiscalyear.move_sequence.number_next)
+    10
+    >>> [int(seq.out_invoice_sequence.number_next)
+    ...     for seq in fiscalyear.invoice_sequences]
+    [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+
+Renew fiscal year resetting sequences::
+
+    >>> renew_fiscalyear = Wizard('account.fiscalyear.renew')
+    >>> renew_fiscalyear.form.reset_sequences = True
+    >>> renew_fiscalyear.execute('create_')
+    >>> new_fiscalyear, = renew_fiscalyear.actions[0]
+    >>> int(new_fiscalyear.move_sequence.number_next)
+    1
+    >>> [int(seq.out_invoice_sequence.number_next)
+    ...     for seq in new_fiscalyear.invoice_sequences]
+    [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+
+
+Set the sequence name::
+
+    >>> for seq in new_fiscalyear.invoice_sequences:
+    ...     seq.out_invoice_sequence.name = ('Sequence %s' %
+    ...         new_fiscalyear.name)
+    ...     seq.out_invoice_sequence.save()
+
+Renew fiscalyear and test sequence name is updated::
+
+    >>> renew_fiscalyear = Wizard('account.fiscalyear.renew')
+    >>> renew_fiscalyear.form.reset_sequences = True
+    >>> renew_fiscalyear.execute('create_')
+    >>> new_fiscalyear, = renew_fiscalyear.actions[0]
+    >>> for sequence in new_fiscalyear.invoice_sequences:
+    ...     assertEqual(
+    ...         sequence.out_invoice_sequence.name,
+    ...         'Sequence %s' % new_fiscalyear.name)

modules/account_invoice/tests/test_module.py

@@ -0,0 +1,255 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import datetime
+from decimal import Decimal
+
+from trytond.modules.account_invoice.exceptions import (
+    PaymentTermValidationError)
+from trytond.modules.company.tests import (
+    CompanyTestMixin, PartyCompanyCheckEraseMixin)
+from trytond.modules.currency.tests import create_currency
+from trytond.modules.party.tests import PartyCheckReplaceMixin
+from trytond.pool import Pool
+from trytond.tests.test_tryton import ModuleTestCase, with_transaction
+
+
+def set_invoice_sequences(fiscalyear):
+    pool = Pool()
+    Sequence = pool.get('ir.sequence.strict')
+    SequenceType = pool.get('ir.sequence.type')
+    InvoiceSequence = pool.get('account.fiscalyear.invoice_sequence')
+
+    sequence_type, = SequenceType.search([
+            ('name', '=', "Invoice"),
+            ], limit=1)
+    sequence = Sequence(name=fiscalyear.name, sequence_type=sequence_type)
+    sequence.company = fiscalyear.company
+    sequence.save()
+    invoice_sequence = InvoiceSequence()
+    invoice_sequence.in_invoice_sequence = sequence
+    invoice_sequence.in_credit_note_sequence = sequence
+    invoice_sequence.out_invoice_sequence = sequence
+    invoice_sequence.out_credit_note_sequence = sequence
+    fiscalyear.invoice_sequences = [invoice_sequence]
+    return fiscalyear
+
+
+class AccountInvoiceTestCase(
+        PartyCompanyCheckEraseMixin, PartyCheckReplaceMixin, CompanyTestMixin,
+        ModuleTestCase):
+    'Test AccountInvoice module'
+    module = 'account_invoice'
+
+    @with_transaction()
+    def test_payment_term(self):
+        'Test payment_term'
+        pool = Pool()
+        PaymentTerm = pool.get('account.invoice.payment_term')
+
+        cu1 = create_currency('cu1')
+        term, = PaymentTerm.create([{
+                    'name': '30 days, 1 month, 1 month + 15 days',
+                    'lines': [
+                        ('create', [{
+                                    'sequence': 0,
+                                    'type': 'percent',
+                                    'divisor': 4,
+                                    'ratio': Decimal('.25'),
+                                    'relativedeltas': [('create', [{
+                                                    'days': 30,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 1,
+                                    'type': 'percent_on_total',
+                                    'divisor': 4,
+                                    'ratio': Decimal('.25'),
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 2,
+                                    'type': 'fixed',
+                                    'amount': Decimal('396.84'),
+                                    'currency': cu1.id,
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    'days': 30,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 3,
+                                    'type': 'remainder',
+                                    'relativedeltas': [('create', [{
+                                                    'months': 2,
+                                                    'days': 30,
+                                                    'day': 15,
+                                                    },
+                                                ]),
+                                        ],
+                                    }])]
+                    }])
+        terms = term.compute(Decimal('1587.35'), cu1,
+            date=datetime.date(2011, 10, 1))
+        self.assertEqual(terms, [
+                (datetime.date(2011, 10, 31), Decimal('396.84')),
+                (datetime.date(2011, 11, 1), Decimal('396.84')),
+                (datetime.date(2011, 12, 1), Decimal('396.84')),
+                (datetime.date(2012, 1, 14), Decimal('396.83')),
+                ])
+
+    @with_transaction()
+    def test_payment_term_with_repeating_decimal(self):
+        "Test payment_term with repeating decimal"
+        pool = Pool()
+        PaymentTerm = pool.get('account.invoice.payment_term')
+
+        PaymentTerm.create([{
+                    'name': "Repeating Decimal",
+                    'lines': [
+                        ('create', [{
+                                    'type': 'percent',
+                                    'divisor': Decimal(3),
+                                    'ratio': Decimal('0.3333333333'),
+                                    }, {
+                                    'type': 'remainder',
+                                    }]),
+                        ],
+                    }])
+
+    @with_transaction()
+    def test_payment_term_with_invalid_ratio_divisor(self):
+        "Test payment_term with invalid ratio and divisor"
+        pool = Pool()
+        PaymentTerm = pool.get('account.invoice.payment_term')
+
+        with self.assertRaises(PaymentTermValidationError):
+            PaymentTerm.create([{
+                        'name': "Invalid ratio and divisor",
+                        'lines': [
+                            ('create', [{
+                                        'type': 'percent',
+                                        'divisor': Decimal(2),
+                                        'ratio': Decimal('0.4'),
+                                        }, {
+                                        'type': 'remainder',
+                                        }]),
+                            ],
+                        }])
+
+    @with_transaction()
+    def test_payment_term_with_empty_value(self):
+        'Test payment_term with empty'
+        pool = Pool()
+        PaymentTerm = pool.get('account.invoice.payment_term')
+
+        cu1 = create_currency('cu1')
+        remainder_term, percent_term = PaymentTerm.create([{
+                    'name': 'Remainder',
+                    'lines': [
+                        ('create', [{'type': 'remainder',
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    },
+                                                ]),
+                                        ],
+                                    }])]
+                    }, {
+                    'name': '25% tomorrow, remainder un month later ',
+                    'lines': [
+                        ('create', [{'type': 'percent',
+                                    'divisor': 4,
+                                    'ratio': Decimal('.25'),
+                                    'relativedeltas': [('create', [{
+                                                    'days': 1,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {'type': 'remainder',
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    },
+                                                ]),
+                                        ],
+                                    }])]
+                    }])
+        terms = remainder_term.compute(Decimal('0.0'), cu1,
+            date=datetime.date(2016, 5, 17))
+        self.assertEqual(terms, [
+                (datetime.date(2016, 5, 17), Decimal('0.0')),
+                ])
+        terms = percent_term.compute(Decimal('0.0'), cu1,
+            date=datetime.date(2016, 5, 17))
+        self.assertEqual(terms, [
+                (datetime.date(2016, 5, 17), Decimal('0.0')),
+                ])
+
+    @with_transaction()
+    def test_negative_amount(self):
+        'Test payment term with negative amount'
+        pool = Pool()
+        PaymentTerm = pool.get('account.invoice.payment_term')
+
+        cu1 = create_currency('cu1')
+        term, = PaymentTerm.create([{
+                    'name': '30 days, 1 month, 1 month + 15 days',
+                    'lines': [
+                        ('create', [{
+                                    'sequence': 0,
+                                    'type': 'percent',
+                                    'divisor': 4,
+                                    'ratio': Decimal('.25'),
+                                    'relativedeltas': [('create', [{
+                                                    'days': 30,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 1,
+                                    'type': 'percent_on_total',
+                                    'divisor': 4,
+                                    'ratio': Decimal('.25'),
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 2,
+                                    'type': 'fixed',
+                                    'amount': Decimal('4.0'),
+                                    'currency': cu1.id,
+                                    'relativedeltas': [('create', [{
+                                                    'months': 1,
+                                                    'days': 30,
+                                                    },
+                                                ]),
+                                        ],
+                                    }, {
+                                    'sequence': 3,
+                                    'type': 'remainder',
+                                    'relativedeltas': [('create', [{
+                                                    'months': 2,
+                                                    'days': 30,
+                                                    'day': 15,
+                                                    },
+                                                ]),
+                                        ],
+                                    }])]
+                    }])
+        terms = term.compute(Decimal('-10.00'), cu1,
+            date=datetime.date(2011, 10, 1))
+        self.assertListEqual(terms, [
+                (datetime.date(2011, 10, 31), Decimal('-2.5')),
+                (datetime.date(2011, 11, 1), Decimal('-2.5')),
+                (datetime.date(2011, 12, 1), Decimal('-4.0')),
+                (datetime.date(2012, 1, 14), Decimal('-1.0')),
+                ])
+
+
+del ModuleTestCase

modules/account_invoice/tests/test_scenario.py

@@ -0,0 +1,8 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.tests.test_tryton import load_doc_tests
+
+
+def load_tests(*args, **kwargs):
+    return load_doc_tests(__name__, __file__, *args, **kwargs)

modules/account_invoice/tests/tools.py

@@ -0,0 +1,35 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+from proteus import Model
+
+__all__ = ['set_fiscalyear_invoice_sequences']
+
+
+def set_fiscalyear_invoice_sequences(fiscalyear, config=None):
+    "Set invoice sequences to fiscalyear"
+    SequenceStrict = Model.get('ir.sequence.strict', config=config)
+    SequenceType = Model.get('ir.sequence.type', config=config)
+
+    sequence_type, = SequenceType.find([
+            ('name', '=', "Invoice"),
+            ], limit=1)
+    invoice_seq = SequenceStrict(
+        name=fiscalyear.name,
+        sequence_type=sequence_type,
+        company=fiscalyear.company)
+    invoice_seq.save()
+    seq, = fiscalyear.invoice_sequences
+    seq.out_invoice_sequence = invoice_seq
+    seq.in_invoice_sequence = invoice_seq
+    seq.out_credit_note_sequence = invoice_seq
+    seq.in_credit_note_sequence = invoice_seq
+    return fiscalyear
+
+
+def create_payment_term(config=None):
+    "Create a direct payment term"
+    PaymentTerm = Model.get('account.invoice.payment_term', config=config)
+
+    payment_term = PaymentTerm(name='Direct')
+    payment_term.lines.new(type='remainder')
+    return payment_term