feat: Se implementa patron Factory

Api/test/test_main.py

@@ -18,7 +18,7 @@ def test_print_bill():
             json.dumps(
                 load_json('test/fixtures/bill.json')
             )),
-        "ip_printer": "192.168.1.105",
+        "ip_printer": "",
         "user_name": "Juan"
     }
 
@@ -33,7 +33,7 @@ def test_print_customer_order():
             json.dumps(
                 load_json('test/fixtures/customer_order.json')
             )),
-        "ip_printer": "192.168.1.100",
+        "ip_printer": "",
         "user_name": "Juan"
     }
 
@@ -50,7 +50,7 @@ def test_print_customer_order_deleted_lines():
                 load_json(
                     'test/fixtures/customer_order_deleted_lines.json')
             )),
-        "ip_printer": "192.168.1.110",
+        "ip_printer": "",
         "user_name": "Juan"
     }
 
@@ -66,7 +66,7 @@ def test_print_bar_order():
             json.dumps(
                 load_json('test/fixtures/customer_order.json')
             )),
-        "ip_printer": "192.168.1.110",
+        "ip_printer": "",
         "user_name": "Juan"
     }
 

Api/test/test_printerfactory.py

@@ -0,0 +1,41 @@
+import unittest
+from unittest.mock import patch, MagicMock
+from escpos.printer import Dummy
+from ..printer_factory import PrinterFactory
+
+
+class TestPrinterFactory(unittest.TestCase):
+
+    def setUp(self):
+        self.factory_dummy = PrinterFactory(type_="dummy")
+        self.factory_network = PrinterFactory(
+            type_="network", host="192.168.1.100")
+
+    def test_create_dummy_printer(self):
+        """Test creación de impresora dummy"""
+
+        printer = self.factory_dummy._get_printer()
+        self.assertIsInstance(printer, Dummy)
+
+    @patch('Api.printer_factory.Network')
+    def test_create_network_printer(self, mock_network):
+        """Test creación de impresora de red con mock"""
+
+        mock_printer_instance = MagicMock()
+        mock_network.return_value = mock_printer_instance
+
+        printer = self.factory_network._get_printer()
+
+        mock_network.assert_called_once_with("192.168.1.100", 9100)
+
+        self.assertEqual(printer, mock_printer_instance)
+
+    def test_create_unknown_printer_type(self):
+        """Test para tipo de impresora desconocido"""
+
+        with self.assertRaises(ValueError):
+            PrinterFactory(type_="invalid_type")._get_printer()
+
+
+if __name__ == '__main__':
+    unittest.main()