# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

""" Implementation of "INVENTORY VALUATION TESTS (With valuation layers)" spreadsheet. """

from odoo.tests import Form, tagged
from odoo.addons.stock_landed_costs.tests.common import TestStockLandedCostsCommon


class TestStockValuationLCCommon(TestStockLandedCostsCommon):

    @classmethod
    def setUpClass(cls):
        super().setUpClass()

        cls.product1 = cls.env['product.product'].create({
            'name': 'product1',
            'is_storable': True,
            'categ_id': cls.stock_account_product_categ.id,
        })
        cls.productlc1 = cls.env['product.product'].create({
            'name': 'product1',
            'type': 'service',
            'categ_id': cls.stock_account_product_categ.id,
            'landed_cost_ok': True,
        })

    def setUp(self):
        super().setUp()
        self.days = 0

    def _get_stock_input_move_lines(self):
        return self.env['account.move.line'].search([
            ('account_id', '=', self.company_data['default_account_stock_in'].id),
        ], order='id')

    def _get_stock_output_move_lines(self):
        return self.env['account.move.line'].search([
            ('account_id', '=', self.company_data['default_account_stock_out'].id),
        ], order='id')

    def _get_stock_valuation_move_lines(self):
        return self.env['account.move.line'].search([
            ('account_id', '=', self.company_data['default_account_stock_valuation'].id),
        ], order='id')

    def _get_payable_move_lines(self):
        return self.env['account.move.line'].search([
            ('account_id', '=', self.company_data['default_account_payable'].id),
        ], order='id')

    def _get_expense_move_lines(self):
        return self.env['account.move.line'].search([
            ('account_id', '=', self.company_data['default_account_expense'].id),
        ], order='id')

    def _make_lc(self, move, amount):
        picking = move.picking_id
        lc = Form(self.env['stock.landed.cost'])
        lc.account_journal_id = self.stock_journal
        lc.picking_ids.add(move.picking_id)
        with lc.cost_lines.new() as cost_line:
            cost_line.product_id = self.productlc1
            cost_line.price_unit = amount
        lc = lc.save()
        lc.compute_landed_cost()
        lc.button_validate()
        return lc

    def _make_in_move(self, product, quantity, unit_cost=None, create_picking=False, product_uom=False):
        """ Helper to create and validate a receipt move.
        """
        unit_cost = unit_cost or product.standard_price
        in_move = self.env['stock.move'].create({
            'name': 'in %s units @ %s per unit' % (str(quantity), str(unit_cost)),
            'product_id': product.id,
            'location_id': self.env.ref('stock.stock_location_suppliers').id,
            'location_dest_id': self.company_data['default_warehouse'].lot_stock_id.id,
            'product_uom': product_uom.id if product_uom else self.env.ref('uom.product_uom_unit').id,
            'product_uom_qty': quantity,
            'price_unit': unit_cost,
            'picking_type_id': self.company_data['default_warehouse'].in_type_id.id,
        })

        if create_picking:
            picking = self.env['stock.picking'].create({
                'picking_type_id': in_move.picking_type_id.id,
                'location_id': in_move.location_id.id,
                'location_dest_id': in_move.location_dest_id.id,
            })
            in_move.write({'picking_id': picking.id})

        in_move._action_confirm()
        in_move._action_assign()
        in_move.move_line_ids.quantity = quantity
        in_move.picked = True
        in_move._action_done()

        self.days += 1
        return in_move.with_context(svl=True)

    def _make_out_move(self, product, quantity, force_assign=None, create_picking=False):
        """ Helper to create and validate a delivery move.
        """
        out_move = self.env['stock.move'].create({
            'name': 'out %s units' % str(quantity),
            'product_id': product.id,
            'location_id': self.company_data['default_warehouse'].lot_stock_id.id,
            'location_dest_id': self.env.ref('stock.stock_location_customers').id,
            'product_uom': self.env.ref('uom.product_uom_unit').id,
            'product_uom_qty': quantity,
            'picking_type_id': self.company_data['default_warehouse'].out_type_id.id,
        })

        if create_picking:
            picking = self.env['stock.picking'].create({
                'picking_type_id': out_move.picking_type_id.id,
                'location_id': out_move.location_id.id,
                'location_dest_id': out_move.location_dest_id.id,
            })
            out_move.write({'picking_id': picking.id})

        out_move._action_confirm()
        out_move._action_assign()
        if force_assign:
            self.env['stock.move.line'].create({
                'move_id': out_move.id,
                'product_id': out_move.product_id.id,
                'product_uom_id': out_move.product_uom.id,
                'location_id': out_move.location_id.id,
                'location_dest_id': out_move.location_dest_id.id,
            })
        out_move.move_line_ids.quantity = quantity
        out_move.picked = True
        out_move._action_done()

        self.days += 1
        return out_move.with_context(svl=True)


@tagged('-at_install', 'post_install')
class TestStockValuationLCFIFO(TestStockValuationLCCommon):
    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        cls.product1.product_tmpl_id.categ_id.property_cost_method = 'fifo'
        cls.product1.product_tmpl_id.categ_id.property_valuation = 'real_time'

    def test_normal_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=20)
        lc = self._make_lc(move1, 100)
        move3 = self._make_out_move(self.product1, 1)

        self.assertEqual(self.product1.value_svl, 380)
        self.assertEqual(self.product1.quantity_svl, 19)
        self.assertEqual(self.product1.standard_price, 20)

    def test_negative_1(self):
        self.product1.standard_price = 10
        move1 = self._make_out_move(self.product1, 2, force_assign=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=15, create_picking=True)
        lc = self._make_lc(move2, 100)

        self.assertEqual(self.product1.value_svl, 200)
        self.assertEqual(self.product1.quantity_svl, 8)

    def test_alreadyout_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_out_move(self.product1, 10)
        lc = self._make_lc(move1, 100)

        self.assertEqual(self.product1.value_svl, 0)
        self.assertEqual(self.product1.quantity_svl, 0)

    def test_alreadyout_2(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=20)
        move2 = self._make_out_move(self.product1, 1)
        lc = self._make_lc(move1, 100)

        self.assertEqual(self.product1.value_svl, 380)
        self.assertEqual(self.product1.quantity_svl, 19)

    def test_alreadyout_3(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_out_move(self.product1, 10)
        move1.move_line_ids.quantity = 15
        lc = self._make_lc(move1, 60)

        self.assertEqual(self.product1.value_svl, 70)
        self.assertEqual(self.product1.quantity_svl, 5)

    def test_fifo_to_standard_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10)
        move2 = self._make_in_move(self.product1, 10, unit_cost=15)
        move3 = self._make_out_move(self.product1, 5)
        lc = self._make_lc(move1, 100)
        self.product1.product_tmpl_id.categ_id.property_cost_method = 'standard'
        out_svl = self.product1.stock_valuation_layer_ids.sorted()[-2]
        in_svl = self.product1.stock_valuation_layer_ids.sorted()[-1]

        self.assertEqual(out_svl.value, -250)
        # 15 * 16.66
        self.assertAlmostEqual(in_svl.value, 249.9)

    def test_rounding_1(self):
        """3@100, out 1, out 1, out 1"""
        move1 = self._make_in_move(self.product1, 3, unit_cost=20, create_picking=True)
        lc = self._make_lc(move1, 40)
        move2 = self._make_out_move(self.product1, 1)
        move3 = self._make_out_move(self.product1, 1)
        move4 = self._make_out_move(self.product1, 1)

        self.assertEqual(self.product1.stock_valuation_layer_ids.mapped('value'), [60.0, 40.0, -33.33, -33.34, -33.33])
        self.assertEqual(self.product1.value_svl, 0)
        self.assertEqual(self.product1.quantity_svl, 0)

    def test_rounding_2(self):
        """3@98, out 1, out 1, out 1"""
        move1 = self._make_in_move(self.product1, 3, unit_cost=20, create_picking=True)
        lc = self._make_lc(move1, 38)
        move2 = self._make_out_move(self.product1, 1)
        move3 = self._make_out_move(self.product1, 1)
        move4 = self._make_out_move(self.product1, 1)

        self.assertEqual(move2.stock_valuation_layer_ids.value, -32.67)
        self.assertEqual(move3.stock_valuation_layer_ids.value, -32.67)
        self.assertAlmostEqual(move4.stock_valuation_layer_ids.value, -32.66, delta=0.01)  # self.env.company.currency_id.round(-32.66) -> -32.660000000000004
        self.assertEqual(self.product1.value_svl, 0)
        self.assertEqual(self.product1.quantity_svl, 0)

    def test_rounding_3(self):
        """3@4.85, out 1, out 1, out 1"""
        move1 = self._make_in_move(self.product1, 3, unit_cost=1, create_picking=True)
        lc = self._make_lc(move1, 1.85)
        move2 = self._make_out_move(self.product1, 1)
        move3 = self._make_out_move(self.product1, 1)
        move4 = self._make_out_move(self.product1, 1)

        self.assertEqual(self.product1.stock_valuation_layer_ids.mapped('value'), [3.0, 1.85, -1.62, -1.62, -1.61])
        self.assertEqual(self.product1.value_svl, 0)
        self.assertEqual(self.product1.quantity_svl, 0)

    def test_in_and_out_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=100, create_picking=True)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_value, 1000)
        lc1 = self._make_lc(move1, 100)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_value, 1100)
        lc2 = self._make_lc(move1, 50)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_value, 1150)
        self.assertEqual(self.product1.value_svl, 1150)
        self.assertEqual(self.product1.quantity_svl, 10)
        move2 = self._make_out_move(self.product1, 1)
        self.assertEqual(move2.stock_valuation_layer_ids.value, -115)

    def test_landed_cost_different_uom(self):
        """
        Check that the SVL is correctly updated with the landed cost divided by the quantity in the product UOM.
        """
        uom_gram = self.env.ref('uom.product_uom_gram')
        uom_kgm = self.env.ref('uom.product_uom_kgm')
        # the product uom is in gram but the transfer is in kg
        self.product1.uom_id = uom_gram
        move1 = self._make_in_move(self.product1, 1, unit_cost=10, create_picking=True, product_uom=uom_kgm)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_value, 10000)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_qty, 1000)
        self._make_lc(move1, 250)
        self.assertEqual(move1.stock_valuation_layer_ids[0].remaining_value, 10250)


@tagged('-at_install', 'post_install')
class TestStockValuationLCAVCO(TestStockValuationLCCommon):
    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        cls.product1.product_tmpl_id.categ_id.property_cost_method = 'average'
        cls.product1.product_tmpl_id.categ_id.property_valuation = 'real_time'

    def test_normal_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=20)
        lc = self._make_lc(move1, 100)
        move3 = self._make_out_move(self.product1, 1)

        self.assertEqual(self.product1.value_svl, 380)

    def test_negative_1(self):
        self.product1.standard_price = 10
        move1 = self._make_out_move(self.product1, 2, force_assign=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=15, create_picking=True)
        lc = self._make_lc(move2, 100)

        self.assertEqual(self.product1.value_svl, 200)
        self.assertEqual(self.product1.quantity_svl, 8)

    def test_alreadyout_1(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_out_move(self.product1, 10)
        lc = self._make_lc(move1, 100)

        self.assertEqual(len(self.product1.stock_valuation_layer_ids), 2)
        self.assertEqual(self.product1.value_svl, 0)
        self.assertEqual(self.product1.quantity_svl, 0)

    def test_alreadyout_2(self):
        move1 = self._make_in_move(self.product1, 10, unit_cost=10, create_picking=True)
        move2 = self._make_in_move(self.product1, 10, unit_cost=20)
        move2 = self._make_out_move(self.product1, 1)
        lc = self._make_lc(move1, 100)

        self.assertEqual(self.product1.value_svl, 375)
        self.assertEqual(self.product1.quantity_svl, 19)

    def test_lc_generated_from_bill_multi_comapnies(self):
        """
        In a multi-company environment:
        Confirm PO, receive products, post bill and generate LC
        """
        company = self.env.company
        self.env.user.company_id = self.env['res.company'].create({
            'name': 'Another Company',
        })

        po_form = Form(self.env['purchase.order'])
        po_form.company_id = company
        po_form.partner_id = self.partner_a
        with po_form.order_line.new() as po_line:
            po_line.product_id = self.product1
            po_line.product_qty = 1
            po_line.price_unit = 10
            po_line.taxes_id.clear()
        po = po_form.save()
        po.button_confirm()

        receipt = po.picking_ids
        receipt.move_line_ids.quantity = 1
        receipt.button_validate()

        bill_form = Form.from_action(self.env, po.action_create_invoice())
        bill_form.invoice_date = bill_form.date
        with bill_form.invoice_line_ids.new() as inv_line:
            inv_line.product_id = self.productlc1
            inv_line.price_unit = 5
            inv_line.is_landed_costs_line = True
        bill = bill_form.save()
        bill.action_post()

        lc_form = Form.from_action(self.env, bill.button_create_landed_costs())
        lc_form.picking_ids.add(receipt)
        lc = lc_form.save()
        lc.button_validate()

        product = self.product1.with_company(company)
        self.assertEqual(product.value_svl, 15)
        self.assertEqual(product.quantity_svl, 1)
        self.assertEqual(product.standard_price, 15)

@tagged('-at_install', 'post_install')
class TestStockValuationLCFIFOVB(TestStockValuationLCCommon):
    @classmethod
    def setUpClass(cls):
        super(TestStockValuationLCFIFOVB, cls).setUpClass()
        cls.vendor1 = cls.env['res.partner'].create({'name': 'vendor1'})
        cls.vendor1.property_account_payable_id = cls.company_data['default_account_payable']
        cls.vendor2 = cls.env['res.partner'].create({'name': 'vendor2'})
        cls.vendor2.property_account_payable_id = cls.company_data['default_account_payable']
        cls.product1.product_tmpl_id.categ_id.property_cost_method = 'fifo'
        cls.product1.product_tmpl_id.categ_id.property_valuation = 'real_time'

    def test_vendor_bill_flow_anglo_saxon_1(self):
        """In anglo saxon accounting, receive 10@10 and invoice. Then invoice 1@50 as a landed costs
        and create a linked landed costs record.
        """
        self.env.company.anglo_saxon_accounting = True

        # Create an RFQ for self.product1, 10@10
        rfq = Form(self.env['purchase.order'])
        rfq.partner_id = self.vendor1

        with rfq.order_line.new() as po_line:
            po_line.product_id = self.product1
            po_line.product_qty = 10
            po_line.price_unit = 10
            po_line.taxes_id.clear()

        rfq = rfq.save()
        rfq.button_confirm()

        # Process the receipt
        receipt = rfq.picking_ids
        receipt.button_validate()
        self.assertEqual(rfq.order_line.qty_received, 10)

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 0)
        self.assertEqual(input_aml.credit, 100)
        valuation_aml = self._get_stock_valuation_move_lines()[-1]
        self.assertEqual(valuation_aml.debit, 100)
        self.assertEqual(valuation_aml.credit, 0)

        # Create a vendor bill for the RFQ
        action = rfq.action_create_invoice()
        vb = self.env['account.move'].browse(action['res_id'])
        vb.invoice_date = vb.date
        vb.action_post()

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 100)
        self.assertEqual(input_aml.credit, 0)
        payable_aml = self._get_payable_move_lines()[-1]
        self.assertEqual(payable_aml.debit, 0)
        self.assertEqual(payable_aml.credit, 100)

        # Create a vendor bill for a landed cost product, post it and validate a landed cost
        # linked to this vendor bill. LC; 1@50
        lcvb = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
        lcvb.invoice_date = lcvb.date
        lcvb.partner_id = self.vendor2
        with lcvb.invoice_line_ids.new() as inv_line:
            inv_line.product_id = self.productlc1
            inv_line.price_unit = 50
            inv_line.is_landed_costs_line = True
        with lcvb.invoice_line_ids.edit(0) as inv_line:
            inv_line.tax_ids.clear()
        lcvb = lcvb.save()
        lcvb.action_post()

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 50)
        self.assertEqual(input_aml.credit, 0)
        payable_aml = self._get_payable_move_lines()[-1]
        self.assertEqual(payable_aml.debit, 0)
        self.assertEqual(payable_aml.credit, 50)

        lc = Form.from_action(self.env, lcvb.button_create_landed_costs())
        lc.picking_ids.add(receipt)
        lc = lc.save()
        lc.button_validate()

        self.assertEqual(lc.cost_lines.price_unit, 50)
        self.assertEqual(lc.cost_lines.product_id, self.productlc1)

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 0)
        self.assertEqual(input_aml.credit, 50)
        valuation_aml = self._get_stock_valuation_move_lines()[-1]
        self.assertEqual(valuation_aml.debit, 50)
        self.assertEqual(valuation_aml.credit, 0)

        # Check reconciliation of input aml of lc
        lc_input_aml = lc.account_move_id.line_ids.filtered(lambda aml: aml.account_id == self.company_data['default_account_stock_in'])
        self.assertTrue(len(lc_input_aml.full_reconcile_id), 1)

        self.assertEqual(self.product1.quantity_svl, 10)
        self.assertEqual(self.product1.value_svl, 150)

    def test_vendor_bill_flow_anglo_saxon_2(self):
        """In anglo saxon accounting, receive 10@10 and invoice with the addition of 1@50 as a
        landed costs and create a linked landed costs record.
        """
        self.env.company.anglo_saxon_accounting = True

        # Create an RFQ for self.product1, 10@10
        rfq = Form(self.env['purchase.order'])
        rfq.partner_id = self.vendor1

        with rfq.order_line.new() as po_line:
            po_line.product_id = self.product1
            po_line.product_qty = 10
            po_line.price_unit = 10
            po_line.taxes_id.clear()

        rfq = rfq.save()
        rfq.button_confirm()

        # Process the receipt
        receipt = rfq.picking_ids
        receipt.button_validate()
        self.assertEqual(rfq.order_line.qty_received, 10)

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 0)
        self.assertEqual(input_aml.credit, 100)
        valuation_aml = self._get_stock_valuation_move_lines()[-1]
        self.assertEqual(valuation_aml.debit, 100)
        self.assertEqual(valuation_aml.credit, 0)

        # Create a vendor bill for the RFQ and add to it the landed cost
        vb = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
        vb.partner_id = self.vendor1
        vb.invoice_date = vb.date
        self.productlc1.landed_cost_ok = True
        with vb.invoice_line_ids.new() as inv_line:
            inv_line.product_id = self.productlc1
            inv_line.price_unit = 50
            inv_line.is_landed_costs_line = True
        vb = vb.save()
        vb.action_post()

        lc = Form.from_action(self.env, vb.button_create_landed_costs())
        lc.picking_ids.add(receipt)
        lc = lc.save()
        lc.button_validate()

        # Check reconciliation of input aml of lc
        lc_input_aml = lc.account_move_id.line_ids.filtered(lambda aml: aml.account_id == self.company_data['default_account_stock_in'])
        self.assertTrue(len(lc_input_aml.full_reconcile_id), 1)

    def test_vendor_bill_flow_continental_1(self):
        """In continental accounting, receive 10@10 and invoice. Then invoice 1@50 as a landed costs
        and create a linked landed costs record.
        """
        self.env.company.anglo_saxon_accounting = False

        # Create an RFQ for self.product1, 10@10
        rfq = Form(self.env['purchase.order'])
        rfq.partner_id = self.vendor1

        with rfq.order_line.new() as po_line:
            po_line.product_id = self.product1
            po_line.product_qty = 10
            po_line.price_unit = 10
            po_line.taxes_id.clear()

        rfq = rfq.save()
        rfq.button_confirm()

        # Process the receipt
        receipt = rfq.picking_ids
        receipt.button_validate()
        self.assertEqual(rfq.order_line.qty_received, 10)

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 0)
        self.assertEqual(input_aml.credit, 100)
        valuation_aml = self._get_stock_valuation_move_lines()[-1]
        self.assertEqual(valuation_aml.debit, 100)
        self.assertEqual(valuation_aml.credit, 0)

        # Create a vebdor bill for the RFQ
        action = rfq.action_create_invoice()
        vb = self.env['account.move'].browse(action['res_id'])
        vb.invoice_date = vb.date
        vb.action_post()

        expense_aml = self._get_expense_move_lines()[-1]
        self.assertEqual(expense_aml.debit, 100)
        self.assertEqual(expense_aml.credit, 0)

        payable_aml = self._get_payable_move_lines()[-1]
        self.assertEqual(payable_aml.debit, 0)
        self.assertEqual(payable_aml.credit, 100)

        # Create a vendor bill for a landed cost product, post it and validate a landed cost
        # linked to this vendor bill. LC; 1@50
        lcvb = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
        lcvb.partner_id = self.vendor2
        lcvb.invoice_date = lcvb.date
        with lcvb.invoice_line_ids.new() as inv_line:
            inv_line.product_id = self.productlc1
            inv_line.price_unit = 50
            inv_line.is_landed_costs_line = True
        with lcvb.invoice_line_ids.edit(0) as inv_line:
            inv_line.tax_ids.clear()
        lcvb = lcvb.save()
        lcvb.action_post()

        expense_aml = self._get_expense_move_lines()[-1]
        self.assertEqual(expense_aml.debit, 50)
        self.assertEqual(expense_aml.credit, 0)
        payable_aml = self._get_payable_move_lines()[-1]
        self.assertEqual(payable_aml.debit, 0)
        self.assertEqual(payable_aml.credit, 50)

        lc = Form.from_action(self.env, lcvb.button_create_landed_costs())
        lc.picking_ids.add(receipt)
        lc = lc.save()
        lc.button_validate()

        self.assertEqual(lc.cost_lines.price_unit, 50)
        self.assertEqual(lc.cost_lines.product_id, self.productlc1)

        input_aml = self._get_stock_input_move_lines()[-1]
        self.assertEqual(input_aml.debit, 0)
        self.assertEqual(input_aml.credit, 50)
        valuation_aml = self._get_stock_valuation_move_lines()[-1]
        self.assertEqual(valuation_aml.debit, 50)
        self.assertEqual(valuation_aml.credit, 0)

        self.assertEqual(self.product1.quantity_svl, 10)
        self.assertEqual(self.product1.value_svl, 150)

    def test_create_landed_cost_from_bill_multi_currencies(self):
        # create a vendor bill in EUR where base currency in USD
        company = self.env.user.company_id
        currency_grp = self.env.ref('base.group_multi_currency')
        self.env.user.write({'groups_id': [(4, currency_grp.id)]})
        usd_currency = self.env.ref('base.USD')
        eur_currency = self.env.ref('base.EUR')
        eur_currency.active = True

        company.currency_id = usd_currency

        invoice_date = '2023-01-01'
        accounting_date = '2024-01-31'

        self.cr.execute("UPDATE res_company SET currency_id = %s WHERE id = %s", (usd_currency.id, company.id))
        self.env['res.currency.rate'].search([]).unlink()
        self.env['res.currency.rate'].create({
            'name': invoice_date,
            'rate': 1.0,
            'currency_id': usd_currency.id,
            'company_id': company.id,
        })

        self.env['res.currency.rate'].create({
            'name': invoice_date,
            'rate': 0.5,
            'currency_id': eur_currency.id,
            'company_id': company.id,
        })

        self.env['res.currency.rate'].create({
            'name': accounting_date,
            'rate': 0.25,
            'currency_id': eur_currency.id,
            'company_id': company.id,
        })

        po_form = Form(self.env['purchase.order'])
        po_form.partner_id = self.vendor1
        with po_form.order_line.new() as po_line:
            po_line.product_id = self.product1
            po_line.product_qty = 1
            po_line.price_unit = 10
        po = po_form.save()
        po.button_confirm()

        receipt = po.picking_ids
        receipt.move_line_ids.quantity = 1
        receipt.button_validate()

        action = po.action_create_invoice()
        bill = self.env['account.move'].browse(action['res_id'])
        bill_form = Form(bill)
        bill_form.invoice_date = invoice_date
        bill_form.date = accounting_date
        bill_form.currency_id = eur_currency

        with bill_form.invoice_line_ids.new() as inv_line:
            inv_line.product_id = self.productlc1
            inv_line.price_unit = 5
            inv_line.currency_id = eur_currency

        bill = bill_form.save()
        bill.action_post()

        lc_form = Form.from_action(self.env, bill.button_create_landed_costs())
        lc_form.picking_ids.add(receipt)
        lc = lc_form.save()
        lc.button_validate()

        self.assertEqual(lc.cost_lines.price_unit, 10)