add testing file with mock tests

testy_jednostkowe.py

@@ -0,0 +1,32 @@
+import unittest
+from unittest.mock import patch
+from detect_module import TomatoDetector
+
+class TestTomatoDetection(unittest.TestCase):
+    @patch('detect_module.TomatoDetector.image_contains_tomato')
+    def test_no_tomato_mock(self, mock_image_contains_tomato):
+        # Test the app's ability to correctly identify images without tomatoes using a mock
+
+        # Configure the mock to return False, simulating the absence of a tomato
+        mock_image_contains_tomato.return_value = False
+
+        # Create an instance of TomatoDetector
+        tomato_detector = TomatoDetector()
+
+        # Call the detect_tomato method, which internally calls the mocked image_contains_tomato
+        result = tomato_detector.detect_tomato('path_to_no_tomato_image.jpg')
+
+        # Ensure the app correctly identifies that there is no tomato using the mocked method
+        self.assertFalse(result, "No tomato should be detected in the image")
+
+    def test_invalid_photo_file(self):
+    
+        # Test the model ability to identify if a file is a photo or not
+      
+        # Provide an file that is not a photo
+        image_path = 'path_to_no_tomato_image.txt'
+
+        self.assertFalse(show_image(image_path), "It should be returned that this file is not an image")
+
+if __name__ == '__main__':
+    unittest.main()