se adiciona __setup__ para inicializar modelos

FossilOrigin-Name: 504ad84bee1c708c2b55fdde3552d39980bf1efad3a51de8050018e4d1f387f3

tests/test_model.py

@@ -506,3 +506,15 @@ def test_field_amount():
 
     assert '<Line amount="33"/>' == line.to_xml()
         
+
+def test_model_setup():
+    class Line(facho.model.Model):
+        __name__ = 'Line'
+
+        amount = fields.Attribute(name='amount')
+
+        def __setup__(self):
+            self.amount = 23
+
+    line = Line()
+    assert '<Line amount="23"/>' == line.to_xml()

tests/test_model_invoice.py

@@ -36,5 +36,8 @@ def _test_simple_invoice_cufe():
     line = invoice.lines.create()
     line.quantity = 1
     line.price = 1_500_000
-    subtotal = line.taxtotal.subtotals.create()
-    subtotal.percent = 19.0
+    line_subtotal = line.taxtotal.subtotals.create()
+    line_subtotal.percent = 19.0
+    line.subtotal.scheme = '01'
+
+    assert invoice.cufe == '8bb918b19ba22a694f1da11c643b5e9de39adf60311cf179179e9b33381030bcd4c3c3f156c506ed5908f9276f5bd9b4'