first commit

modules/sale_shipment_cost/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.

modules/sale_shipment_cost/tests/scenario_sale_shipment_cost.rst

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+===========================
+Sale Shipment Cost 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 (
+    ...     create_payment_term, 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([
+    ...         'sale_shipment_cost',
+    ...         'sale',
+    ...         '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()
+    >>> revenue = accounts['revenue']
+    >>> expense = accounts['expense']
+
+Create customer::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name='Customer')
+    >>> customer.sale_shipment_cost_method = 'shipment'
+    >>> customer.save()
+
+Create account category::
+
+    >>> ProductCategory = Model.get('product.category')
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_revenue = revenue
+    >>> account_category.save()
+
+Create product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'Product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.lead_time = dt.timedelta(0)
+    >>> template.list_price = Decimal('20')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+    >>> carrier_template = ProductTemplate()
+    >>> carrier_template.name = 'Carrier Product'
+    >>> carrier_template.default_uom = unit
+    >>> carrier_template.type = 'service'
+    >>> carrier_template.salable = True
+    >>> carrier_template.lead_time = dt.timedelta(0)
+    >>> carrier_template.list_price = Decimal('3')
+    >>> carrier_template.account_category = account_category
+    >>> carrier_template.save()
+    >>> carrier_product, = carrier_template.products
+    >>> carrier_product.cost_price = Decimal('2')
+    >>> carrier_product.save()
+
+Create carrier::
+
+    >>> Carrier = Model.get('carrier')
+    >>> carrier = Carrier()
+    >>> party = Party(name='Carrier')
+    >>> party.save()
+    >>> carrier.party = party
+    >>> carrier.carrier_product = carrier_product
+    >>> carrier.save()
+
+Use it as the default carrier::
+
+    >>> CarrierSelection = Model.get('carrier.selection')
+    >>> csc = CarrierSelection(carrier=carrier)
+    >>> csc.save()
+
+Create payment term::
+
+    >>> payment_term = create_payment_term()
+    >>> payment_term.save()
+
+Sale products with cost on shipment::
+
+    >>> Sale = Model.get('sale.sale')
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.payment_term = payment_term
+    >>> sale.invoice_method = 'shipment'
+    >>> sale.shipment_cost_method
+    'shipment'
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 5.0
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> assertEqual(cost_line.product, carrier_product)
+    >>> cost_line.quantity
+    1.0
+    >>> cost_line.amount
+    Decimal('3.00')
+    >>> cost_line.invoice_progress
+    1.0
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+    >>> sale.untaxed_amount
+    Decimal('103.00')
+
+Send products::
+
+    >>> ShipmentOut = Model.get('stock.shipment.out')
+    >>> shipment, = sale.shipments
+    >>> shipment.cost_sale_method
+    'shipment'
+    >>> assertEqual(shipment.carrier, carrier)
+    >>> shipment.cost_used
+    Decimal('2.0000')
+    >>> shipment.cost_sale_used
+    Decimal('3.0000')
+    >>> assertEqual(shipment.cost_sale_currency_used, shipment.company.currency)
+    >>> move, = shipment.inventory_moves
+    >>> move.quantity = 4
+    >>> shipment.cost_sale_used
+    Decimal('3.0000')
+    >>> assertEqual(shipment.cost_sale_currency_used, shipment.company.currency)
+    >>> shipment.state
+    'waiting'
+    >>> shipment.click('assign_force')
+    >>> shipment.state
+    'assigned'
+    >>> shipment.click('pick')
+    >>> shipment.state
+    'picked'
+    >>> shipment.click('pack')
+    >>> shipment.state
+    'packed'
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+
+    >>> shipment.cost_sale_invoice_line.amount
+    Decimal('3.00')
+
+Check customer invoice::
+
+    >>> sale.reload()
+    >>> invoice, = sale.invoices
+    >>> assertEqual({l.product for l in invoice.lines},
+    ...     {product, carrier_product})
+    >>> invoice.untaxed_amount
+    Decimal('83.00')
+
+Send missing products::
+
+    >>> sale.reload()
+    >>> shipment, = [s for s in sale.shipments if s.state == 'waiting']
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> sale.reload()
+    >>> len(sale.invoices)
+    2
+    >>> new_invoice, = [i for i in sale.invoices if i != invoice]
+    >>> new_invoice.untaxed_amount
+    Decimal('23.00')
+
+Sale products with cost on order::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.payment_term = payment_term
+    >>> sale.invoice_method = 'order'
+    >>> sale.shipment_cost_method = 'order'
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 3.0
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> assertEqual(cost_line.product, carrier_product)
+    >>> cost_line.quantity
+    1.0
+    >>> cost_line.amount
+    Decimal('3.00')
+    >>> cost_line.invoice_progress
+    1.0
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+    >>> sale.untaxed_amount
+    Decimal('63.00')
+
+Check customer shipment::
+
+    >>> shipment, = sale.shipments
+    >>> assertEqual(shipment.carrier, carrier)
+
+Check customer invoice::
+
+    >>> sale.reload()
+    >>> invoice, = sale.invoices
+    >>> invoice.untaxed_amount
+    Decimal('63.00')
+
+Return the sale::
+
+    >>> return_sale = Wizard('sale.return_sale', [sale])
+    >>> return_sale.execute('return_')
+    >>> returned_sale, = Sale.find([
+    ...     ('state', '=', 'draft'),
+    ...     ])
+    >>> returned_sale.untaxed_amount
+    Decimal('-63.00')
+
+The quotation of the returned sale does not change the amount::
+
+    >>> returned_sale.click('quote')
+    >>> returned_sale.untaxed_amount
+    Decimal('-63.00')
+
+Sale products with cost on order and invoice method on shipment::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.payment_term = payment_term
+    >>> sale.invoice_method = 'shipment'
+    >>> sale.shipment_cost_method = 'order'
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 1.0
+    >>> sale.click('quote')
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+Check no customer invoice::
+
+    >>> len(sale.invoices)
+    0
+
+Send products::
+
+    >>> shipment, = sale.shipments
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+
+Check customer invoice::
+
+    >>> sale.reload()
+    >>> invoice, = sale.invoices
+    >>> len(invoice.lines)
+    2
+
+Sale products with no cost::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.payment_term = payment_term
+    >>> sale.invoice_method = 'shipment'
+    >>> sale.shipment_cost_method = None
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 1.0
+    >>> sale.click('quote')
+    >>> len(sale.lines)
+    1
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+Check no customer invoice::
+
+    >>> len(sale.invoices)
+    0
+
+Send products::
+
+    >>> shipment, = sale.shipments
+    >>> shipment.cost_used
+    Decimal('2.0000')
+    >>> shipment.cost_sale_used
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+
+Check customer invoice::
+
+    >>> sale.reload()
+    >>> invoice, = sale.invoices
+    >>> len(invoice.lines)
+    1

modules/sale_shipment_cost/tests/scenario_sale_shipment_cost_cancelled_on_shipment.rst

@@ -0,0 +1,130 @@
+=================================================
+Sale Shipment Cost Cancelled On Shipment Scenario
+=================================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import create_chart, get_accounts
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules
+
+Activate modules::
+
+    >>> config = activate_modules([
+    ...         'sale_shipment_cost',
+    ...         ],
+    ...     create_company, create_chart)
+
+    >>> Carrier = Model.get('carrier')
+    >>> Party = Model.get('party.party')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> UoM = Model.get('product.uom')
+    >>> Sale = Model.get('sale.sale')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create customer::
+
+    >>> customer = Party(name='Customer')
+    >>> customer.save()
+
+Create account category::
+
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_revenue = accounts['revenue']
+    >>> account_category.save()
+
+Create product::
+
+    >>> unit, = UoM.find([('name', '=', "Unit")])
+
+    >>> template = ProductTemplate()
+    >>> template.name = "Product"
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.list_price = Decimal('20')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+    >>> carrier_template = ProductTemplate()
+    >>> carrier_template.name = "Carrier Product"
+    >>> carrier_template.default_uom = unit
+    >>> carrier_template.type = 'service'
+    >>> carrier_template.salable = True
+    >>> carrier_template.list_price = Decimal('3')
+    >>> carrier_template.account_category = account_category
+    >>> carrier_template.save()
+    >>> carrier_product, = carrier_template.products
+    >>> carrier_product.cost_price = Decimal('2')
+    >>> carrier_product.save()
+
+Create carrier::
+
+    >>> carrier = Carrier()
+    >>> party = Party(name='Carrier')
+    >>> party.save()
+    >>> carrier.party = party
+    >>> carrier.carrier_product = carrier_product
+    >>> carrier.save()
+
+Sale products with cost on shipment::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.invoice_method = 'shipment'
+    >>> sale.shipment_cost_method = 'shipment'
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 5.0
+    >>> sale.click('quote')
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+Ship products::
+
+    >>> shipment, = sale.shipments
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+
+Cancel customer invoice::
+
+    >>> sale.reload()
+    >>> invoice, = sale.invoices
+    >>> invoice.untaxed_amount
+    Decimal('103.00')
+    >>> invoice.click('cancel')
+    >>> invoice.state
+    'cancelled'
+
+    >>> sale.reload()
+    >>> sale.invoice_state
+    'exception'
+
+Recreate invoice::
+
+    >>> invoice_handle_exception = sale.click('handle_invoice_exception')
+    >>> invoice_handle_exception.form.recreate_invoices.extend(
+    ...     invoice_handle_exception.form.recreate_invoices.find())
+    >>> invoice_handle_exception.execute('handle')
+
+    >>> sale.invoice_state
+    'pending'
+    >>> _, invoice = sale.invoices
+    >>> invoice.untaxed_amount
+    Decimal('103.00')

modules/sale_shipment_cost/tests/scenario_sale_shipment_cost_modify_price.rst

@@ -0,0 +1,108 @@
+========================================
+Sale Shipment Cost Modify Price Scenario
+========================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules, assertEqual
+
+Activate modules::
+
+    >>> config = activate_modules('sale_shipment_cost', create_company)
+
+Create customer::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name='Customer')
+    >>> customer.save()
+
+Create account category::
+
+    >>> ProductCategory = Model.get('product.category')
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.save()
+
+Create product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'Product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.list_price = Decimal('20')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+    >>> carrier_template = ProductTemplate()
+    >>> carrier_template.name = 'Carrier Product'
+    >>> carrier_template.default_uom = unit
+    >>> carrier_template.type = 'service'
+    >>> carrier_template.salable = True
+    >>> carrier_template.list_price = Decimal('3')
+    >>> carrier_template.account_category = account_category
+    >>> carrier_template.save()
+    >>> carrier_product, = carrier_template.products
+
+Create carrier::
+
+    >>> Carrier = Model.get('carrier')
+    >>> carrier = Carrier()
+    >>> party = Party(name='Carrier')
+    >>> party.save()
+    >>> carrier.party = party
+    >>> carrier.carrier_product = carrier_product
+    >>> carrier.save()
+
+Make a quote::
+
+    >>> Sale = Model.get('sale.sale')
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 5.0
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> assertEqual(cost_line.product, carrier_product)
+    >>> cost_line.quantity
+    1.0
+    >>> cost_line.amount
+    Decimal('3.00')
+
+Change the shipment cost price::
+
+    >>> sale.click('draft')
+    >>> cost_line = sale.lines[-1]
+    >>> cost_line.unit_price = Decimal('2.00')
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> assertEqual(cost_line.product, carrier_product)
+    >>> cost_line.quantity
+    1.0
+    >>> cost_line.amount
+    Decimal('2.00')
+
+Change the carrier price reset the cost line::
+
+    >>> carrier_template.list_price = Decimal('4')
+    >>> carrier_template.save()
+
+    >>> sale.click('draft')
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> assertEqual(cost_line.product, carrier_product)
+    >>> cost_line.quantity
+    1.0
+    >>> cost_line.amount
+    Decimal('4.00')

modules/sale_shipment_cost/tests/scenario_sale_shipment_cost_promotion.rst

@@ -0,0 +1,112 @@
+=====================================
+Sale Shipment Cost Promotion Scenario
+=====================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import create_chart, get_accounts
+    >>> 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
+
+Activate modules::
+
+    >>> config = activate_modules([
+    ...         'sale_shipment_cost',
+    ...         'sale',
+    ...         'sale_promotion',
+    ...         ],
+    ...     create_company, create_chart)
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create customer::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name='Customer')
+    >>> customer.save()
+
+Create account category::
+
+    >>> ProductCategory = Model.get('product.category')
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_revenue = accounts['revenue']
+    >>> account_category.save()
+
+Create product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> Product = Model.get('product.product')
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'Product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.list_price = Decimal('20')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+    >>> carrier_template = ProductTemplate()
+    >>> carrier_template.name = 'Carrier Product'
+    >>> carrier_template.default_uom = unit
+    >>> carrier_template.type = 'service'
+    >>> carrier_template.salable = True
+    >>> carrier_template.list_price = Decimal('3')
+    >>> carrier_template.account_category = account_category
+    >>> carrier_template.save()
+    >>> carrier_product, = carrier_template.products
+
+Create Promotion::
+
+    >>> Promotion = Model.get('sale.promotion')
+    >>> promotion = Promotion(name='product 2 free')
+    >>> promotion.amount = Decimal('101')
+    >>> promotion.amount_shipment_cost_included = False
+    >>> promotion.currency = get_currency()
+    >>> promotion.products.extend([Product(carrier_product.id)])
+    >>> promotion.formula = '0.0'
+    >>> promotion.save()
+
+Create carrier::
+
+    >>> Carrier = Model.get('carrier')
+    >>> carrier = Carrier()
+    >>> party = Party(name='Carrier')
+    >>> party.save()
+    >>> carrier.party = party
+    >>> carrier.carrier_product = carrier_product
+    >>> carrier.save()
+
+Sale products without the promotion::
+
+    >>> Sale = Model.get('sale.sale')
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale_line = sale.lines.new()
+    >>> sale_line.product = product
+    >>> sale_line.quantity = 5.0
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> cost_line.amount
+    Decimal('3.00')
+
+Increase sale to get the promotion::
+
+    >>> sale.click('draft')
+    >>> line = sale.lines[0]
+    >>> line.quantity = 6.0
+    >>> sale.click('quote')
+    >>> cost_line = sale.lines[-1]
+    >>> cost_line.amount
+    Decimal('0.00')

modules/sale_shipment_cost/tests/scenario_sale_shipment_cost_stock.rst

@@ -0,0 +1,183 @@
+=================================
+Sale Shipment Cost Stock Scenario
+=================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.account.tests.tools import create_chart, get_accounts
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules
+
+Activate modules::
+
+    >>> config = activate_modules([
+    ...         'sale_shipment_cost',
+    ...         'sale',
+    ...         ],
+    ...     create_company, create_chart)
+
+    >>> Carrier = Model.get('carrier')
+    >>> CarrierSelection = Model.get('carrier.selection')
+    >>> Party = Model.get('party.party')
+    >>> ProductCategory = Model.get('product.category')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> ProductUom = Model.get('product.uom')
+    >>> Sale = Model.get('sale.sale')
+    >>> ShipmentOut = Model.get('stock.shipment.out')
+
+Get accounts::
+
+    >>> accounts = get_accounts()
+
+Create customer::
+
+    >>> customer = Party(name='Customer')
+    >>> customer.save()
+
+Create account category::
+
+    >>> account_category = ProductCategory(name="Account Category")
+    >>> account_category.accounting = True
+    >>> account_category.account_revenue = accounts['revenue']
+    >>> account_category.save()
+
+Create product::
+
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'Product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.salable = True
+    >>> template.list_price = Decimal('20')
+    >>> template.account_category = account_category
+    >>> template.save()
+    >>> product, = template.products
+
+    >>> carrier_template = ProductTemplate()
+    >>> carrier_template.name = 'Carrier Product'
+    >>> carrier_template.default_uom = unit
+    >>> carrier_template.type = 'service'
+    >>> carrier_template.salable = True
+    >>> carrier_template.list_price = Decimal('2')
+    >>> carrier_template.account_category = account_category
+    >>> carrier_template.save()
+    >>> carrier_product, = carrier_template.products
+    >>> carrier_product.cost_price = Decimal('5')
+    >>> carrier_product.save()
+
+Create carrier::
+
+    >>> carrier = Carrier()
+    >>> party = Party(name='Carrier')
+    >>> party.save()
+    >>> carrier.party = party
+    >>> carrier.carrier_product = carrier_product
+    >>> carrier.save()
+
+Use it as the default carrier::
+
+    >>> csc = CarrierSelection(carrier=carrier)
+    >>> csc.save()
+
+
+Sell product with no shipment cost::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.shipment_cost_method = None
+    >>> line = sale.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> sale.click('quote')
+    >>> len(sale.lines)
+    1
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+    >>> shipment, = sale.shipments
+    >>> shipment.cost_used
+    Decimal('5.0000')
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+    >>> move, = shipment.outgoing_moves
+    >>> move.shipment_out_cost_price
+    Decimal('5.0000')
+
+Sell product with cost on shipment::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.shipment_cost_method = 'shipment'
+    >>> line = sale.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> sale.click('quote')
+    >>> len(sale.lines)
+    2
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+    >>> shipment, = sale.shipments
+    >>> shipment.cost_used
+    Decimal('5.0000')
+    >>> shipment.cost_sale_used
+    Decimal('2.0000')
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+    >>> move, = shipment.outgoing_moves
+    >>> move.shipment_out_cost_price
+    Decimal('3.0000')
+
+Sell product with cost on order::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.carrier = carrier
+    >>> sale.shipment_cost_method = 'order'
+    >>> line = sale.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 1
+    >>> sale.click('quote')
+    >>> len(sale.lines)
+    2
+    >>> sale.click('draft')
+    >>> sale.lines[-1].unit_price = Decimal('3.0000')
+    >>> sale.click('quote')
+    >>> sale.lines[-1].unit_price
+    Decimal('3.0000')
+    >>> sale.click('confirm')
+    >>> sale.click('process')
+    >>> sale.state
+    'processing'
+
+    >>> shipment, = sale.shipments
+    >>> shipment.cost_used
+    Decimal('5.0000')
+    >>> shipment.click('assign_force')
+    >>> shipment.click('pick')
+    >>> shipment.click('pack')
+    >>> shipment.click('do')
+    >>> shipment.state
+    'done'
+    >>> move, = shipment.outgoing_moves
+    >>> move.shipment_out_cost_price
+    Decimal('2.0000')

modules/sale_shipment_cost/tests/test_module.py

@@ -0,0 +1,31 @@
+# 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 unittest.mock import MagicMock
+
+from trytond.pool import Pool
+from trytond.tests.test_tryton import ModuleTestCase, with_transaction
+
+
+class SaleShipmentCostTestCase(ModuleTestCase):
+    'Test Sale Shipment Cost module'
+    module = 'sale_shipment_cost'
+    extras = ['sale_promotion', 'sale_shipment_grouping']
+
+    @with_transaction()
+    def test_shipment_grouping(self):
+        "Test fields to group shipment"
+        pool = Pool()
+        Sale = pool.get('sale.sale')
+        ShipmentOut = pool.get('stock.shipment.out')
+
+        sale = Sale()
+        shipment = MagicMock(spec=ShipmentOut)
+
+        fields = sale._get_shipment_grouping_fields(shipment)
+
+        self.assertLessEqual({'cost_sale_method', 'carrier'}, fields)
+        self.assertLessEqual(fields, ShipmentOut._fields.keys())
+
+
+del ModuleTestCase

modules/sale_shipment_cost/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)