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modules/production/tests/scenario_production_by_product.rst

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+==========================
+Production with By-product
+==========================
+
+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
+
+Activate modules::
+
+    >>> config = activate_modules('production', create_company)
+
+Create main product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> unit, = ProductUom.find([('name', '=', 'Unit')])
+    >>> ProductTemplate = Model.get('product.template')
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.producible = True
+    >>> template.list_price = Decimal(30)
+    >>> template.save()
+    >>> product, = template.products
+
+Create by-products 1 marketable and 1 waste::
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.list_price = Decimal(10)
+    >>> template.save()
+    >>> marketable, = template.products
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'product'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.list_price = Decimal(0)
+    >>> template.save()
+    >>> waste, = template.products
+
+Create component::
+
+    >>> template = ProductTemplate()
+    >>> template.name = 'component'
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.save()
+    >>> component, = template.products
+    >>> component.cost_price = Decimal(5)
+    >>> component.save()
+
+Create Bill of Material::
+
+    >>> BOM = Model.get('production.bom')
+    >>> bom = BOM(name='product')
+    >>> input = bom.inputs.new()
+    >>> input.product = component
+    >>> input.quantity = 4
+    >>> output = bom.outputs.new()
+    >>> output.product = product
+    >>> output.quantity = 1
+    >>> output = bom.outputs.new()
+    >>> output.product = marketable
+    >>> output.quantity = 1
+    >>> output = bom.outputs.new()
+    >>> output.product = waste
+    >>> output.quantity = 2
+    >>> bom.save()
+
+Make a production::
+
+    >>> Production = Model.get('production')
+    >>> production = Production()
+    >>> production.product = product
+    >>> production.bom = bom
+    >>> production.quantity = 4
+    >>> production.click('wait')
+    >>> production.click('assign_force')
+    >>> production.click('run')
+    >>> production.click('do')
+
+Check output price::
+
+    >>> sorted([o.unit_price for o in production.outputs])
+    [Decimal('0'), Decimal('5.0000'), Decimal('15.0000')]