Support integer as price to round

issue10720
review375381002
(grafted from 9780dfb370fae591f5a85342e26b4278773267cf)

--HG--
branch : 6.0

product.py

@@ -44,6 +44,8 @@ price_digits = (16, price_decimal)
 
 def round_price(value, rounding=None):
     "Round price using the price digits"
+    if isinstance(value, int):
+        return Decimal(value)
     return value.quantize(
         Decimal(1) / 10 ** price_digits[1], rounding=rounding)
 

tests/test_product.py

@@ -12,6 +12,8 @@ from trytond.pool import Pool
 
 from trytond.modules.company.tests import CompanyTestMixin
 
+from ..product import round_price
+
 
 class ProductTestCase(CompanyTestMixin, ModuleTestCase):
     'Test Product module'
@@ -446,6 +448,15 @@ class ProductTestCase(CompanyTestMixin, ModuleTestCase):
                 [('name', 'like', '%')], order=[('type', 'DESC')]),
                 [product2, product1])
 
+    def test_round_price(self):
+        for value, result in [
+                (Decimal('1'), Decimal('1.0000')),
+                (Decimal('1.12345'), Decimal('1.1234')),
+                (1, Decimal('1')),
+                ]:
+            with self.subTest(value=value):
+                self.assertEqual(round_price(value), result)
+
 
 def suite():
     suite = trytond.tests.test_tryton.suite()