se adicionan pruebas para CUFE y otros

FossilOrigin-Name: bac70bcbd3ad003d2df2d06b477914343f370982133f272dce05b75cc6f1da44

tests/test_form.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# This file is part of facho.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+"""Tests for `facho` package."""
+
+import pytest
+from datetime import datetime
+import io
+import zipfile
+
+import facho.fe.form as form
+from facho import fe
+
+def test_invoice_legalmonetary():
+    inv = form.Invoice()
+    inv.add_invoice_line(form.InvoiceLine(
+        quantity = 1,
+        description = 'producto facho',
+        item = form.StandardItem('test', 9999),
+        price = form.Price(
+            amount = 100.0,
+            type_code = '01',
+            type = 'x'
+        ),
+        tax = form.TaxTotal(
+            subtotals = [
+                form.TaxSubTotal(
+                    percent = 19.0,
+                )
+            ]
+        )
+    ))
+    inv.calculate()
+    assert inv.invoice_legal_monetary_total.line_extension_amount == 100.0
+    assert inv.invoice_legal_monetary_total.tax_exclusive_amount == 100.0
+    assert inv.invoice_legal_monetary_total.tax_inclusive_amount == 119.0
+    assert inv.invoice_legal_monetary_total.charge_total_amount == 19.0