[FIX] purchase_sale_stock_inter_company : partial deliver drop shipping

Fixes #741

Author: metaminux

Diff for: purchase_sale_stock_inter_company/tests/test_inter_company_purchase_sale_stock.py

@@ -5,6 +5,9 @@
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
 
+from odoo import Command
+from odoo.tests.common import Form
+
 from odoo.addons.purchase_sale_inter_company.tests.test_inter_company_purchase_sale import (
     TestPurchaseSaleInterCompany,
 )
@@ -66,3 +69,80 @@ def test_purchase_sale_stock_inter_company(self):
             self.purchase_company_a.picking_type_id.warehouse_id.partner_id,
         )
         self.assertEqual(sale.warehouse_id, self.warehouse_c)
+
+    def test_purchase_sale_stock_dropshipping_inter_company(self):
+        self.external_supplier = self.env["res.partner"].create({"name": "Supplier"})
+        self.external_customer = self.env["res.partner"].create({"name": "Customer"})
+        self.dropship_route = self.env.ref("stock_dropshipping.route_drop_shipping")
+        self.dropship_product = self.env["product.product"].create(
+            [
+                {
+                    "name": "Dropship product",
+                    "type": "product",
+                    "route_ids": [Command.link(self.dropship_route.id)],
+                    "seller_ids": [
+                        Command.create(
+                            {
+                                "partner_id": self.partner_company_b.id,
+                                "min_qty": 0,
+                                "delay": 5,
+                                "company_id": self.company_a.id,
+                            }
+                        ),
+                        Command.create(
+                            {
+                                "partner_id": self.external_supplier.id,
+                                "min_qty": 5,
+                                "delay": 1,
+                                "company_id": self.company_b.id,
+                            }
+                        ),
+                    ],
+                }
+            ]
+        )
+
+        original_sale_form = Form(
+            self.env["sale.order"]
+            .with_company(self.company_a)
+            .with_user(self.user_company_a)
+        )
+        original_sale_form.partner_id = self.external_customer
+
+        with original_sale_form.order_line.new() as line_form:
+            line_form.product_id = self.dropship_product
+            line_form.product_uom_qty = 5.0
+            line_form.price_unit = 100.0
+        original_sale = original_sale_form.save()
+
+        original_sale.action_confirm()
+        inter_company_po = original_sale._get_purchase_orders()
+        inter_company_po.button_confirm()
+        inter_company_so = (
+            self.env["sale.order"]
+            .with_user(self.user_company_b)
+            .search([("auto_purchase_order_id", "=", inter_company_po.id)])
+        )
+        external_po = inter_company_so._get_purchase_orders()
+        external_po.button_confirm()
+        external_po.picking_ids.move_ids.quantity_done = 3.0
+        backorder_wizard_dict = external_po.picking_ids.button_validate()
+        backorder_wizard = Form(
+            self.env[backorder_wizard_dict["res_model"]].with_context(
+                **backorder_wizard_dict["context"]
+            )
+        ).save()
+        backorder_wizard.process()
+        self.assertEqual(inter_company_so.order_line.qty_delivered, 3.0)
+        self.assertEqual(original_sale.order_line.qty_delivered, 3.0)
+        backorder = external_po.picking_ids.backorder_ids
+        backorder.move_ids.quantity_done = backorder.move_ids.product_qty
+        backorder.button_validate()
+        self.assertEqual(
+            inter_company_so.order_line.qty_delivered,
+            inter_company_so.order_line.product_uom_qty,
+        )
+        self.assertEqual(
+            original_sale.order_line.qty_delivered,
+            original_sale.order_line.product_uom_qty,
+        )