96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
#!/usr/bin/env python3
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import datetime
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import sys
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import unittest
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import uuid
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import lxml.etree as ET
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from io import BytesIO
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from pathlib import Path
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sys.path.append('..')
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from pycert import SATCertificate
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from comerciodigital import PACComercioDigital
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NAME = 'comercio'
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TEMPLATE_CFDI = """<cfdi:Comprobante xmlns:cfdi="http://www.sat.gob.mx/cfd/3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" LugarExpedicion="06850" Moneda="MXN" SubTotal="10000.00" TipoCambio="1" TipoDeComprobante="I" Total="11600.00" FormaPago="01" MetodoPago="PUE" Version="3.3" xsi:schemaLocation="http://www.sat.gob.mx/cfd/3 http://www.sat.gob.mx/sitio_internet/cfd/3/cfdv33.xsd">
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<cfdi:Emisor Rfc="EKU9003173C9" RegimenFiscal="601"/>
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<cfdi:Receptor Rfc="BASM740115RW0" UsoCFDI="G01"/>
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<cfdi:Conceptos>
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<cfdi:Concepto Cantidad="1.0" ClaveProdServ="60121001" ClaveUnidad="ACT" Descripcion="Asesoría en desarrollo" Importe="10000.00" ValorUnitario="10000.00">
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<cfdi:Impuestos>
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<cfdi:Traslados>
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<cfdi:Traslado Base="10000.00" Importe="1600.00" Impuesto="002" TasaOCuota="0.160000" TipoFactor="Tasa"/>
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</cfdi:Traslados>
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</cfdi:Impuestos>
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</cfdi:Concepto>
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</cfdi:Conceptos>
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<cfdi:Impuestos TotalImpuestosTrasladados="1600.00">
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<cfdi:Traslados>
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<cfdi:Traslado Importe="1600.00" Impuesto="002" TasaOCuota="0.160000" TipoFactor="Tasa"/>
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</cfdi:Traslados>
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</cfdi:Impuestos>
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</cfdi:Comprobante>
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"""
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class TestCfdi(object):
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def __init__(self):
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self._xml = ''
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self._make_cfdi()
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@property
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def xml(self):
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return self._xml.decode()
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def _make_cfdi(self):
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path = Path(__file__)
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path_cer = Path(path.parent).joinpath('certificados', f'{NAME}.cer')
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path_key = Path(path.parent).joinpath('certificados', f'{NAME}.enc')
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path_xslt = Path(path.parent).joinpath('xslt', 'cadena.xslt')
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cer = path_cer.read_bytes()
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key = path_key.read_bytes()
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self._cert = SATCertificate(cer, key)
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self._doc = ET.parse(BytesIO(TEMPLATE_CFDI.encode()))
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self._root = self._doc.getroot()
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self._root.attrib['Fecha'] = datetime.datetime.now().isoformat()[:19]
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self._root.attrib['NoCertificado'] = self._cert.serial_number
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self._root.attrib['Certificado'] = self._cert.cer_txt
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self._add_stamp(path_xslt)
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self._xml = ET.tostring(self._root,
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pretty_print=True, doctype='<?xml version="1.0" encoding="utf-8"?>')
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return
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def _add_stamp(self, path_xslt):
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xslt = open(path_xslt, 'rb')
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transfor = ET.XSLT(ET.parse(xslt))
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cadena = str(transfor(self._doc)).encode()
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stamp = self._cert.sign(cadena)
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self._root.attrib['Sello'] = stamp
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xslt.close()
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return
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class TestStamp(unittest.TestCase):
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def setUp(self):
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print(f'In method: {self._testMethodName}')
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self.pac = PACComercioDigital()
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def test_cfdi_stamp(self):
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cfdi = TestCfdi().xml
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result = self.pac.stamp(cfdi)
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cfdi_uuid = self.pac.cfdi_uuid
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self.assertFalse(bool(self.pac.error))
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self.assertTrue(bool(uuid.UUID(cfdi_uuid)))
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if __name__ == '__main__':
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unittest.main()
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