[IMP] product_currency: add demo data and tests for product currency

product_currency/demo/product_currency_demo.py

@@ -0,0 +1,32 @@
+from odoo import models
+
+
+class ProductTemplateDemo(models.Model):
+    _inherit = "product.template"
+
+    def _install_product_currency_demo(self, company):
+        """Create minimal demo using `account.chart.template._load_data`"""
+        self = self.with_company(company)
+
+        currency = company.currency_id or self.env["res.currency"].search([], limit=1)
+        data = {
+            "product.template": [
+                {
+                    "xml_id": "demo_product_1",
+                    "values": {
+                        "name": "Demo Product (force currency)",
+                        "type": "consu",
+                        "company_id": company.id,
+                        "force_currency_id": currency.id,
+                    },
+                }
+            ]
+        }
+
+        # Require account.chart.template._load_data to register XML IDs
+        chart_template = self.env["account.chart.template"]
+        if not hasattr(chart_template, "_load_data"):
+            raise RuntimeError("account.chart.template._load_data is required to load demo data")
+
+        # Use chart template loader with company context to register XML IDs
+        chart_template.with_company(company)._load_data(data)

product_currency/demo/product_product_demo.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<odoo noupdate="1">
-    <record id="product_with_forced_currency" model="product.product">
-        <field name="name">Product with forced currency (EUR)</field>
-        <field name="categ_id" ref="product.product_category_goods"/>
-        <field name="standard_price">50</field>
-        <field name="list_price">100</field>
-        <field name="currency_id" ref="base.USD"/>
-        <field name="force_currency_id" ref="base.EUR"/>
-        <field name="type">consu</field>
-    </record>
+<odoo>
+    <data noupdate="1">
+        <!-- Trigger the python demo loader to create minimal demo data -->
+        <function model="product.template" name="_install_product_currency_demo">
+            <arg eval="ref('base.company_ri')"/>
+        </function>
+    </data>
 </odoo>

product_currency/tests/__init__.py

@@ -0,0 +1 @@
+# Package for tests

product_currency/tests/test_product_currency_demo.py

@@ -0,0 +1,39 @@
+from odoo.tests import tagged
+from odoo.tests.common import TransactionCase
+
+
+@tagged("post_install", "-at_install")
+class TestProductCurrencyDemo(TransactionCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.company = cls.env.company
+
+        loader = cls.env["product.template"]
+        # Install the module demo data dynamically
+        loader._install_product_currency_demo(cls.company)
+
+        # Require the XML id to be registered by chart template loader
+        try:
+            cls.demo_product = cls.env.ref("product_currency.demo_product_1")
+        except Exception:
+            cls.skipTest("Demo XML id not registered: product_currency.demo_product_1")
+
+    def test_01_force_currency_applies(self):
+        """Verifica que cuando existe `force_currency_id`, `currency_id` se fuerza."""
+        prod = self.demo_product.copy()
+        self.assertEqual(
+            prod.force_currency_id.id,
+            prod.currency_id.id,
+            "El currency_id debe ser igual a force_currency_id",
+        )
+
+    def test_02_modifying_copy_does_not_change_demo(self):
+        """Modificar una copia no debe afectar al registro demo original."""
+        prod_copy = self.demo_product.copy()
+        prod_copy.write({"name": "Modified copy"})
+        self.assertNotEqual(
+            self.demo_product.name,
+            prod_copy.name,
+            "Modificar la copia no debe cambiar el demo original",
+        )