Check categories are not mixed amoung warehouses.

This commit refs #21470

location.py

@@ -122,3 +122,13 @@ class Location(metaclass=PoolMeta):
         return super().view_attributes() + [
             ('//page[@id="categories"]', 'states', {
                 'invisible': ~Eval('type').in_(['warehouse', 'storage'])})]
+
+    @classmethod
+    def copy(cls, records, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('categories', None)
+        default.setdefault('wh_categories', None)
+        return super().copy(records, default=default)

tests/test_stock_product_category_location.py

@@ -71,7 +71,7 @@ class StockProductCategoryLocationTestCase(ModuleTestCase):
         child_cat, = Category.create([{'name': 'CAT2', 'parent': new_cat.id}])
         cat_loc_rec = {
             'category': new_cat.id,
-            'warehouse': storage.parent.id,
+            'warehouse': storage.warehouse.id,
             'location': storage.id
         }
         CatLoc.create([cat_loc_rec])
@@ -86,6 +86,36 @@ class StockProductCategoryLocationTestCase(ModuleTestCase):
 
         self.assertEqual(child_cat.get_default_location(), storage_new)
 
+    @with_transaction()
+    def test_warehouse_isolation(self):
+        """Add the category default location for a warehouse"""
+        pool = Pool()
+        Location = pool.get('stock.location')
+        Category = pool.get('product.category')
+        CatLoc = pool.get('stock.product.category.location')
+
+        storage, = Location.search([('code', '=', 'STO')])
+        storage_new, = Location.create([{
+            'code': 'STO2',
+            'name': 'Storage 2',
+            'type': 'storage',
+            'parent': storage.id
+        }])
+        new_cat, = Category.create([{'name': 'CAT1'}])
+        cat_loc_rec = {
+            'category': new_cat.id,
+            'warehouse': storage.warehouse.id,
+            'location': storage.id
+        }
+        CatLoc.create([cat_loc_rec])
+
+        self.assertEqual(new_cat.get_default_location(), storage)
+
+        # create new warehouse
+        new_wh, = Location.copy([storage.warehouse])
+
+        self.assertEqual(new_cat.get_default_location(warehouse=new_wh), None)
+
 
 def suite():
     suite = trytond.tests.test_tryton.suite()