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modules/stock/tests/scenario_stock_inventory_empty_quantity.rst

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+=======================================
+Stock Inventory Scenario Empty Quantity
+=======================================
+
+Imports::
+
+    >>> import datetime as dt
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> 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('stock', create_company)
+
+Get stock locations::
+
+    >>> Location = Model.get('stock.location')
+    >>> supplier_loc, = Location.find([('code', '=', 'SUP')])
+    >>> storage_loc, = Location.find([('code', '=', 'STO')])
+    >>> customer_loc, = Location.find([('code', '=', 'CUS')])
+    >>> lost_found_loc, = Location.find([('type', '=', 'lost_found')])
+
+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.list_price = Decimal('300')
+    >>> template.cost_price_method = 'average'
+    >>> product, = template.products
+    >>> product.cost_price = Decimal('80')
+    >>> template.save()
+    >>> product, = template.products
+
+Fill storage::
+
+    >>> StockMove = Model.get('stock.move')
+    >>> incoming_move = StockMove()
+    >>> incoming_move.product = product
+    >>> incoming_move.unit = unit
+    >>> incoming_move.quantity = 1
+    >>> incoming_move.from_location = supplier_loc
+    >>> incoming_move.to_location = storage_loc
+    >>> incoming_move.planned_date = today
+    >>> incoming_move.effective_date = today
+    >>> incoming_move.unit_price = Decimal('100')
+    >>> incoming_move.currency = get_currency()
+    >>> incoming_move.click('do')
+
+Creating an inventory with empty quantities creates and empty move::
+
+    >>> Inventory = Model.get('stock.inventory')
+    >>> inventory = Inventory()
+    >>> inventory.location = storage_loc
+    >>> inventory.empty_quantity = 'empty'
+    >>> inventory.save()
+    >>> inventory.click('complete_lines')
+    >>> line, = inventory.lines
+    >>> line.expected_quantity
+    1.0
+    >>> line.quantity
+    >>> inventory.click('confirm')
+    >>> line.reload()
+    >>> line.expected_quantity
+    1.0
+    >>> move, = line.moves
+    >>> move.quantity
+    1.0
+    >>> assertEqual(move.from_location, inventory.location)
+    >>> assertEqual(move.to_location, lost_found_loc)