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  In order to test the landed costs feature of stock, I create a landed cost, confirm it and check its account move created
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  I create 2 products with different volume and gross weight and configure them for real_time valuation and real price costing method
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  !record {model: product.product, id: product_landed_cost_1}:
    name: "LC product 1"
    cost_method: real
    valuation: real_time
    weight: 10
    volume: 1 
    property_stock_account_input: account.o_expense
    property_stock_account_output: account.o_income
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  !record {model: product.product, id: product_landed_cost_2}:
    name: "LC product 2"
    cost_method: real
    valuation: real_time
    weight: 20
    volume: 1.5
    property_stock_account_input: account.o_expense
    property_stock_account_output: account.o_income
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  I create 2 picking moving those products
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  !record {model: stock.picking, id: picking_landed_cost_1}:
    name: 'LC_pick_1'
    picking_type_id: stock.picking_type_out
    move_lines:
      - name: move 1
        product_id: product_landed_cost_1
        product_uom_qty: 5
        product_uom: product.product_uom_unit
        product_uos_qty: 5
        product_uos: product.product_uom_unit
        location_id: stock.stock_location_stock
        location_dest_id: stock.stock_location_customers
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  !record {model: stock.picking, id: picking_landed_cost_2}:
    name: 'LC_pick_2'
    picking_type_id: stock.picking_type_out
    move_lines:
      - name: move 2
        product_id: product_landed_cost_2
        product_uom_qty: 10
        product_uom: product.product_uom_unit
        product_uos_qty: 10
        product_uos: product.product_uom_unit
        location_id: stock.stock_location_stock
        location_dest_id: stock.stock_location_customers
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  I create a landed cost for those 2 pickings
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  !record {model: stock.landed.cost, id: stock_landed_cost_1}:
    picking_ids: [picking_landed_cost_1, picking_landed_cost_2]
    account_journal_id: account.expenses_journal
    cost_lines:
      - name: 'equal split' 
        split_method: 'equal'
        price_unit: 10
        product_id: product.product_product_2
      - name: 'split by quantity' 
        split_method: 'by_quantity'
        price_unit: 150
        product_id: product.product_product_2
      - name: 'split by weight' 
        split_method: 'by_weight'
        price_unit: 250
        product_id: product.product_product_2
      - name: 'split by volume' 
        split_method: 'by_volume'
        price_unit: 20
        product_id: product.product_product_2
    valuation_adjustment_lines: []
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  I compute the landed cost  using Compute button
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  !python {model: stock.landed.cost}: |
    self.compute_landed_cost(cr, uid, [ref("stock_landed_cost_1")])

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  I check the valuation adjustment lines 
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  !python {model: stock.landed.cost}: |
    landed_cost = self.browse(cr, uid, ref("stock_landed_cost_1"))
    for valuation in landed_cost.valuation_adjustment_lines:
        if valuation.cost_line_id.name == 'equal split':
            assert valuation.additional_landed_cost == 5
        elif valuation.cost_line_id.name == 'split by quantity' and valuation.move_id.name == "move 1":
            assert valuation.additional_landed_cost == 50
        elif valuation.cost_line_id.name == 'split by quantity' and valuation.move_id.name == "move 2":
            assert valuation.additional_landed_cost == 100
        elif valuation.cost_line_id.name == 'split by weight' and valuation.move_id.name == "move 1":
            assert valuation.additional_landed_cost == 50
        elif valuation.cost_line_id.name == 'split by weight' and valuation.move_id.name == "move 2":
            assert valuation.additional_landed_cost == 200
        elif valuation.cost_line_id.name == 'split by volume' and valuation.move_id.name == "move 1":
            assert valuation.additional_landed_cost == 5
        elif valuation.cost_line_id.name == 'split by volume' and valuation.move_id.name == "move 2":
            assert valuation.additional_landed_cost == 15
        else:
            raise 'unrecognized valuation adjustment line'
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  I confirm the landed cost
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  !python {model: stock.landed.cost}: |
    self.button_validate(cr, uid, [ref("stock_landed_cost_1")])
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  I check that the landed cost is now "Closed" and that it has an accounting entry
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  !assert {model: stock.landed.cost, id: stock_landed_cost_1}:
    - state == 'done'
    - account_move_id
    - len(account_move_id.line_id) == 16