meh must be better way of doing this? Look into interence engines

Author: Matthew Shirtliffe

troubleshooting_car_issues/app.py

@@ -0,0 +1,55 @@
+
+
+def print_header():
+    """ Print header 
+    """
+    header_text = ''
+    TEXT = f' Troubleshooting car issues \n'
+    line = '-' * len(TEXT)
+    line += '\n'
+
+    header_text += line
+    header_text += TEXT
+    header_text += line
+    print(header_text)
+
+
+def get_yes_or_no(question):
+
+    while True:
+        answer = input(question)
+        answer = answer.lower()
+        if answer == 'y' or answer == 'yes':
+            return True
+        elif answer == 'n' or answer == 'no':
+            return False
+        else:
+            print('A valid input is required')
+
+
+
+def print_answer(answer):
+    print(answer)
+
+
+if __name__ == "__main__":
+    
+    print_header()
+    if get_yes_or_no('Is the car silent when you turn the key? '):
+        if get_yes_or_no('Are the battery terminals corroded? '):
+            print('Clean terminals and try starting again')
+        else:
+            print('Replace cables and try again')
+    else:
+        if get_yes_or_no('Does the car make a clicking noise? '):
+            print('Replace the battery')
+        else:
+            if get_yes_or_no('Does the car crank up but fail to start? '):
+                print('Check spark blug connections')
+            else:
+                if get_yes_or_no('Does the engine start and then die? '):
+                    if get_yes_or_no('Does your car have fuel injection? '):
+                        print('Ge it in for service')
+                    else:
+                        print('Check to ensure the choke is opening and closing')
+                        

troubleshooting_car_issues/tests/__init__.py

@@ -0,0 +1,26 @@
+from unittest import TestCase
+from unittest.mock import patch
+import app
+
+class AppTest(TestCase):
+
+    def test_print_header(self):
+        
+        expected = '-----------------------------\n Troubleshooting car issues \n-----------------------------\n'
+        with patch('builtins.print') as mocked_print:
+            app.print_header()
+            mocked_print.assert_called_with(expected)
+
+    def test_get_get_yes_or_no(self):
+        expected = False
+        expected_input = 'Is the car silent when you turn the key? '
+        question = expected_input
+        with patch('builtins.input') as mocked_input:
+            with patch('builtins.print') as mocked_print:
+                mocked_input.side_effect = ('', 'y', 'n')
+                answer = app.get_yes_or_no(question)
+                mocked_print.assert_called_with('A valid input is required')
+                mocked_input.assert_called_with(expected_input)
+                self.assertEqual(answer, not expected)
+                answer = app.get_yes_or_no(question)
+                self.assertEqual(answer, expected)

troubleshooting_car_issues/tests/system/__init__.py

@@ -0,0 +1,10 @@
+from unittest import TestCase
+import app
+
+class ComparingNumbersTest(TestCase):
+    pass
+    # def test_get_month_from_number(self):
+    #     month_number = 3
+    #     expected_month = 'March'
+    #     month = app.get_month_from_number(month_number)
+    #     self.assertEqual(month, expected_month)