[IMP] stock: should not generate sequence when scrap order is created

-It will not create sequence while creating a scrap order but it will
create it after validating scrap order.

task-1959647

addons/stock/models/stock_scrap.py

@@ -37,7 +37,7 @@ class StockScrap(models.Model):
     product_uom_category_id = fields.Many2one(related='product_id.uom_id.category_id')
     tracking = fields.Selection('Product Tracking', readonly=True, related="product_id.tracking")
     lot_id = fields.Many2one(
-        'stock.production.lot', 'Lot',
+        'stock.production.lot', 'Lot/Serial',
         states={'done': [('readonly', True)]}, domain="[('product_id', '=', product_id)]")
     package_id = fields.Many2one(
         'stock.quant.package', 'Package',
@@ -76,13 +76,6 @@ class StockScrap(models.Model):
                         self.location_id = move_line.location_id
                         break
 
-    @api.model
-    def create(self, vals):
-        if 'name' not in vals or vals['name'] == _('New'):
-            vals['name'] = self.env['ir.sequence'].next_by_code('stock.scrap') or _('New')
-        scrap = super(StockScrap, self).create(vals)
-        return scrap
-
     def unlink(self):
         if 'done' in self.mapped('state'):
             raise UserError(_('You cannot delete a scrap which is done.'))
@@ -121,6 +114,7 @@ class StockScrap(models.Model):
 
     def do_scrap(self):
         for scrap in self:
+            scrap.name = self.env['ir.sequence'].next_by_code('stock.scrap') or _('New')
             move = self.env['stock.move'].create(scrap._prepare_move_values())
             # master: replace context by cancel_backorder
             move.with_context(is_scrap=True)._action_done()

addons/stock/tests/test_move.py

@@ -3564,7 +3564,9 @@ class StockMove(SavepointCase):
             'product_uom_id':self.product_consu.uom_id.id,
             'scrap_qty': 1,
         })
+        self.assertEqual(scrap.name, 'New', 'Name should be New in draft state')
         scrap.do_scrap()
+        self.assertTrue(scrap.name.startswith('SP/'), 'Sequence should be Changed after do_scrap')
         self.assertEqual(scrap.state, 'done')
         move = scrap.move_id
         self.assertEqual(move.state, 'done')