[FIX] product_sale_price_from_pricelist: Actualizar tests para Odoo 18

- Cambiar parámetro qty= a quantity= en llamadas a _compute_price_rule
- Eliminar type/detailed_type de product.product creates
- Añadir campo name a purchase.order.line
- Agregar método _compute_theoritical_price en template
- Crear helpers para leer precios teóricos desde variante
- Corregir variables no usadas y nombres indefinidos

product_origin/tests/__init__.py

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+from . import test_module

product_origin/tests/test_module.py

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+# Copyright (C) 2024 - Today: GRAP (http://www.grap.coop)
+# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo.exceptions import ValidationError
+
+from odoo.addons.base.tests.common import BaseCommon
+
+
+class TestModule(BaseCommon):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.country_us = cls.env.ref("base.us")
+        cls.state_tarapaca = cls.env.ref("base.state_cl_01")
+        cls.state_us = cls.env.ref("base.state_us_1")
+        cls.country_chile = cls.env.ref("base.cl")
+
+    def test_product_product(self):
+        self._test_compute_and_constrains(self.env["product.product"])
+        self._test_onchange_methods(self.env["product.product"])
+
+    def test_product_template(self):
+        self._test_compute_and_constrains(self.env["product.template"])
+        self._test_onchange_methods(self.env["product.template"])
+
+    def _test_compute_and_constrains(self, model):
+        # Set state should set country
+        product = model.create({"name": "Test Name"})
+        self.assertEqual(product.state_id_domain, [])
+
+        product.country_id = self.country_us
+        self.assertEqual(
+            product.state_id_domain, [("country_id", "=", self.country_us.id)]
+        )
+
+        with self.assertRaises(ValidationError):
+            product.state_id = self.state_tarapaca
+
+    def _test_onchange_methods(self, model):
+        # Test 1: onchange_country_id - When country changes,
+        # mismatched state is cleared
+        product = model.create({"name": "Test Onchange"})
+
+        # Set state first
+        product.state_id = self.state_us
+        # Set matching country
+        product.country_id = self.country_us
+
+        # Create a new product with a temporary state/country combination
+        # that we'll modify through onchange
+        product_for_onchange = model.new(
+            {
+                "name": "Test Onchange Product",
+                "state_id": self.state_us.id,
+                "country_id": self.country_us.id,
+            }
+        )
+
+        # Verify initial state
+        self.assertEqual(product_for_onchange.state_id.id, self.state_us.id)
+        self.assertEqual(product_for_onchange.country_id.id, self.country_us.id)
+
+        # Change country and trigger onchange
+        product_for_onchange.country_id = self.country_chile
+        product_for_onchange.onchange_country_id()
+
+        # State should be cleared because it doesn't match country
+        self.assertFalse(product_for_onchange.state_id)
+
+        # Test 2: onchange_state_id - When state changes, country should update
+        product_for_state_change = model.new(
+            {
+                "name": "Test Onchange State",
+            }
+        )
+
+        # Initially no country
+        self.assertFalse(product_for_state_change.country_id)
+
+        # Set state and trigger onchange
+        product_for_state_change.state_id = self.state_us
+        product_for_state_change.onchange_state_id()
+
+        # Country should be set to match state's country
+        self.assertEqual(product_for_state_change.country_id.id, self.country_us.id)