fix(ExportSales): add test and fix.

tienda_ilusion/don_confiao/tests/test_exportar_ventas_para_tryton.py

@@ -0,0 +1,73 @@
+import csv
+
+from django.test import TestCase, Client
+from django.urls import reverse
+
+from ..models import Sale, SaleLine, Product, Customer
+
+class TestExportarVentasParaTryton(TestCase):
+    def setUp(self):
+        self.product = Product.objects.create(
+            name='Panela',
+            price=5000,
+            measuring_unit='UNIT'
+        )
+        self.customer = Customer.objects.create(
+            name='Camilo'
+        )
+        self.sale = Sale.objects.create(
+            customer=self.customer,
+            date='2024-09-02',
+            payment_method='CASH',
+        )
+        self.sale_line1 = SaleLine.objects.create(
+            product=self.product,
+            quantity=2,
+            unit_price=3000,
+            sale=self.sale
+        )
+        self.sale_line2 = SaleLine.objects.create(
+            product=self.product,
+            quantity=3,
+            unit_price=5000,
+            sale=self.sale
+        )
+
+    def test_exportar_ventas_para_tryton(self):
+        client = Client()
+        url = '/don_confiao/exportar_ventas_para_tryton'
+        response = client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response['Content-Type'], 'text/csv')
+        csv_content = response.content.decode('utf-8')
+
+        expected_header = [
+            "Tercero",
+            "Dirección de facturación",
+            "Dirección de envío",
+            "Descripción",
+            "Referencia",
+            "Fecha venta",
+            "Plazo de pago",
+            "Almacén",
+            "Moneda",
+            "Líneas/Producto",
+            "Líneas/Cantidad",
+            "Líneas/Precio unitario",
+            "Líneas/Unidad",
+            "Empresa",
+            "Tienda",
+            "Terminal de venta",
+            "Autorecogida",
+            "Comentario"
+        ]
+        csv_reader = csv.reader(csv_content.splitlines())
+        self.assertEqual(next(csv_reader), expected_header)
+
+        expected_rows = [
+            ["Camilo", "Camilo", "Camilo", "", "", "2024-09-02 00:00:00+00:00", "Contado", "Almacén", "Peso colombiano", "Panela", "2", "3000.00", "Unidad", "TIENDA LA ILUSIÓN", "Tienda La Ilusion", "La Ilusion", "True", ""],
+            ["", "", "", "", "", "", "", "", "", "Panela", "3", "5000.00", "Unidad", "", "", "", "", ""],
+        ]
+        csv_rows = list(csv_reader)
+        self.assertEqual(csv_rows[0], expected_rows[0])
+        self.assertEqual(csv_rows[1], expected_rows[1])