Se adiciona xml de AllowanceCharge para documento

FossilOrigin-Name: 93cd9530bb2f63a2803b8a32a5aceeeda015eff2d26c96e95a13dbb9193cad82

tests/test_form.py

@@ -61,7 +61,7 @@ def test_FAU10():
             ]
         )
     ))
-    inv.add_allownace_charge(form.AllowanceCharge(amount=form.Amount(19.0)))
+    inv.add_allowance_charge(form.AllowanceCharge(amount=form.Amount(19.0)))
 
     inv.calculate()
     assert inv.invoice_legal_monetary_total.line_extension_amount == form.Amount(100.0)
@@ -89,7 +89,7 @@ def test_FAU14():
             ]
         )
     ))
-    inv.add_allownace_charge(form.AllowanceCharge(amount=form.Amount(19.0)))
+    inv.add_allowance_charge(form.AllowanceCharge(amount=form.Amount(19.0)))
     inv.add_prepaid_payment(form.PrePaidPayment(paid_amount = form.Amount(50.0)))
     inv.calculate()
 

tests/test_form_xml.py

@@ -6,9 +6,13 @@
 """Tests for `facho` package."""
 
 import pytest
+from datetime import datetime
 
+from facho.fe import form
 from facho.fe import form_xml
 
+from fixtures import *
+
 def test_import_DIANInvoiceXML():
     try:
         form_xml.DIANInvoiceXML
@@ -27,3 +31,29 @@ def test_import_DIANCreditNoteXML():
         form_xml.DIANCreditNoteXML
     except AttributeError:
         pytest.fail("unexpected not found")
+
+def test_FAU10(simple_invoice_without_lines):
+    inv = simple_invoice_without_lines
+    inv.add_invoice_line(form.InvoiceLine(
+        quantity = form.Quantity(1, '94'),
+        description = 'producto facho',
+        item = form.StandardItem(9999),
+        price = form.Price(
+            amount = form.Amount(100.0),
+            type_code = '01',
+            type = 'x'
+        ),
+        tax = form.TaxTotal(
+            subtotals = [
+                form.TaxSubTotal(
+                    percent = 19.0,
+                )
+            ]
+        )
+    ))
+    inv.add_allowance_charge(form.AllowanceCharge(amount=form.Amount(19.0)))
+    
+    xml = form_xml.DIANInvoiceXML(inv)
+    assert xml.get_element_text('./cac:AllowanceCharge/cbc:ID') == '1'
+    assert xml.get_element_text('./cac:AllowanceCharge/cbc:ChargeIndicator') == 'true'
+    assert xml.get_element_text('./cac:AllowanceCharge/cbc:Amount') == '19.0'