Always fill invoice date

issue10675
review363731003

CHANGELOG

@@ -1,3 +1,5 @@
+* Always fill invoice date
+
 Version 6.0.0 - 2021-05-03
 * Bug fixes (see mercurial logs for details)
 

subscription.py

@@ -445,6 +445,7 @@ class Subscription(Workflow, ModelSQL, ModelView):
             currency=self.currency,
             account=party.account_receivable_used,
             )
+        invoice.invoice_date = self.next_invoice_date
         invoice.on_change_type()
         invoice.payment_term = self.payment_term
         return invoice

tests/scenario_sale_subscription.rst

@@ -151,6 +151,8 @@ Create subscription invoice::
     >>> create_invoice.execute('create_')
 
     >>> invoice, = Invoice.find([])
+    >>> invoice.invoice_date
+    datetime.date(2016, 2, 1)
     >>> line, = invoice.lines
     >>> line.quantity
     310.0