validating inputs with tests

Author: Matthew Shirtliffe

calc_area/app.py renamed to calculate_area/app.py

@@ -0,0 +1,63 @@
+import re
+
+def print_header():
+    """ Print header 
+    """
+    header_text = ''
+    TEXT = f' Validating Inputs \n'
+    line = '-' * len(TEXT)
+    line += '\n'
+
+    header_text += line
+    header_text += TEXT
+    header_text += line
+    print(header_text)
+
+
+def get_first_name():
+
+    while True:
+        first_name = input('Enter your first name: ')
+        if len(first_name) >=2:
+            return first_name
+        else:
+            print('A valid input is required')
+
+
+def get_last_name():
+
+    while True:
+        last_name = input('Enter your last name: ')
+        if len(last_name) >=2:
+            return last_name
+        else:
+            print('A valid input is required')
+
+def get_employee_id():
+    regex = '^[A-Z]{2}-[0-9]{3,4}'
+    while True:
+        employee_id = input('Enter your employee id: ')
+        if re.match(regex, employee_id):
+            return employee_id
+        else:
+            print('A valid input is required')
+
+def get_zip_code():
+    regex = '^[A-Z]{5}'
+    while True:
+        zip_code = input('Enter your zip code: ')
+        if re.match(regex, zip_code):
+            return zip_code
+        else:
+            print('A valid input is required')
+
+
+if __name__ == "__main__":
+    
+    print_header()
+    first_name = get_first_name()
+    last_name = get_last_name()
+    zip_code = get_zip_code()
+    employee_id = get_employee_id()
+    if all([first_name, last_name, zip_code, employee_id]):
+        print('There were no errors found')

calc_area/tests/__init__.py renamed to calculate_area/tests/__init__.py

@@ -0,0 +1,56 @@
+from unittest import TestCase
+from unittest.mock import patch
+import app
+
+class AppTest(TestCase):
+
+    def test_print_header(self):
+        
+        expected = '--------------------\n Validating Inputs \n--------------------\n'
+        with patch('builtins.print') as mocked_print:
+            app.print_header()
+            mocked_print.assert_called_with(expected)
+
+    def test_get_first_name(self):
+
+        expected = 'Enter your first name: '
+        with patch('builtins.input') as mocked_input:
+            with patch('builtins.print') as mocked_print:
+                mocked_input.side_effect = ('' , 'Matthew')
+                first_name = app.get_first_name()
+                mocked_print.assert_called_with('A valid input is required')
+                mocked_input.assert_called_with(expected)
+                self.assertEqual(first_name, 'Matthew')
+
+    def test_get_last_name(self):
+
+        expected = 'Enter your last name: '
+        with patch('builtins.input') as mocked_input:
+            with patch('builtins.print') as mocked_print:
+                mocked_input.side_effect = ('' , 'Shirtliffe')
+                last_name = app.get_last_name()
+                mocked_print.assert_called_with('A valid input is required')
+                mocked_input.assert_called_with(expected)
+                self.assertEqual(last_name, 'Shirtliffe')
+
+    def test_get_employee_id(self):
+
+        expected = 'Enter your employee id: '
+        with patch('builtins.input') as mocked_input:
+            with patch('builtins.print') as mocked_print:
+                mocked_input.side_effect = ('' , 'AA-1234')
+                employee_id = app.get_employee_id()
+                mocked_print.assert_called_with('A valid input is required')
+                mocked_input.assert_called_with(expected)
+                self.assertEqual(employee_id, 'AA-1234')
+
+    def test_get_zip_code(self):
+
+        expected = 'Enter your zip code: '
+        with patch('builtins.input') as mocked_input:
+            with patch('builtins.print') as mocked_print:
+                mocked_input.side_effect = ('' , 'ABCDE')
+                zip_code = app.get_zip_code()
+                mocked_print.assert_called_with('A valid input is required')
+                mocked_input.assert_called_with(expected)
+                self.assertEqual(zip_code, 'ABCDE')

calc_area/tests/system/__init__.py renamed to calculate_area/tests/system/__init__.py

@@ -0,0 +1,8 @@
+from unittest import TestCase
+import app
+
+class PasswordStrengthIndicatorTest(TestCase):
+    pass
+    # def test_is_anagram(self):
+    #     is_anagram = app.is_anagram('tone', 'note')
+    #     self.assertTrue(is_anagram)