[MIG] purchase_triple_discount: Migration to 15.0

Author: ramiadavid

purchase_triple_discount/__manifest__.py

@@ -2,7 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {
     "name": "Purchase Order Triple Discount",
-    "version": "14.0.1.0.1",
+    "version": "15.0.1.0.0",
     "category": "Purchase Management",
     "author": "Tecnativa," "GRAP," "Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/purchase-workflow",

purchase_triple_discount/models/purchase_order.py

@@ -9,7 +9,7 @@ class PurchaseOrderLine(models.Model):
     # adding discount2 and discount3 to depends
     @api.depends("discount2", "discount3")
     def _compute_amount(self):
-        super()._compute_amount()
+        return super()._compute_amount()
 
     discount2 = fields.Float(
         "Disc. 2 (%)",

purchase_triple_discount/tests/test_purchase_discount.py

@@ -6,7 +6,7 @@
 from odoo.tests.common import Form
 
 
-class TestPurchaseOrder(common.SavepointCase):
+class TestPurchaseOrder(common.TransactionCase):
     @classmethod
     def setUpClass(cls):
         super(TestPurchaseOrder, cls).setUpClass()

purchase_triple_discount/views/purchase_view.xml

@@ -10,8 +10,8 @@
                 expr="//field[@name='order_line']//tree//field[@name='discount']"
                 position="after"
             >
-                <field name="discount2" />
-                <field name="discount3" />
+                <field name="discount2" optional="show" />
+                <field name="discount3" optional="show" />
             </xpath>
             <xpath
                 expr="//field[@name='order_line']//form//field[@name='discount']"