def test_print_class_list_no_grades(self, mock_stdout, mock_input):
crud.file_write([])
crud.add_student()
crud.print_class_list()
self.assertTrue("Test Test T12345678 True 10.0 / 20.0"
, mock_stdout.getvalue())
crud.file_write([])
def test_add_student_print_output_when_student_already_exists_in_system(
self, mock_stdout):
with mock.patch('builtins.open',
return_value=io.StringIO(original_file)):
mock_student_info = [
"Rob", "Stark", "A47585945", "True", ["95", "78"]
]
expected_output = "\nThe student number you entered already exists in the system!\n\n"
add_student(mock_student_info)
self.assertEqual(mock_stdout.getvalue(), expected_output)
def test_add_student_print_output_when_file_write_was_unsuccessful(
self, mock_stdout):
with mock.patch('builtins.open',
side_effect=[
io.StringIO(original_file),
io.StringIO(original_file),
io.StringIO(original_file)
]):
mock_student_info = [
"Jon", "Snow", "A01024575", "True", ["87", "98"]
]
expected_output = "\nStudent could not be written to file.\n\n"
add_student(mock_student_info)
self.assertEqual(mock_stdout.getvalue(), expected_output)
def test_add_student_successful_print_output(self, mock_stdout):
with mock.patch('builtins.open',
side_effect=[
io.StringIO(original_file),
io.StringIO(original_file),
io.StringIO(file_after_add)
]):
mock_student_info = [
"Jon", "Snow", "A01024575", "True", ["87", "98"]
]
expected_output = "\nStudent successfully added:\n" \
"Name: Jon Snow, Student Number: A01024575, In Good Standing: True, Grades: 87 98\n\n"
add_student(mock_student_info)
self.assertEqual(mock_stdout.getvalue(), expected_output)
def test_calculate_class_average(self, mock_stdout, mock_input):
crud.file_write([])
crud.add_student()
crud.add_student()
crud.add_student()
crud.calculate_class_average()
self.assertTrue("15", mock_stdout.getvalue())
crud.file_write([])
def test_add_student_print(self, mock_write, mock_open, mock_input,
mock_stdout):
add_student()
self.assertEqual(mock_stdout.getvalue(),
"\nStudent was added successfully!\n\n")
def test_add_student_bool(self, mock_write, mock_open, mock_input):
self.assertEqual(add_student(), True)
def test_calculate_class_average_no_grades(self, mock_stdout, mock_input):
crud.file_write([])
crud.add_student()
crud.calculate_class_average()
self.assertTrue("No available grades" in mock_stdout.getvalue())
crud.file_write([])
def test_create_student_duplicate_student_number(self, mock_input):
crud.add_student()
with self.assertRaises(ValueError):
crud.create_student()
crud.file_write([])
def test_delete_student(self, mock_input):
crud.file_write([])
crud.add_student()
crud.delete_student()
self.assertEqual(0, len(crud.file_read()))
def test_add_student_successfully(self, mock_input):
crud.add_student()
self.assertEqual("T12345678", crud.file_read()[0].get_student_number())
crud.file_write([])
def test_add_student_invalid_grade(self, mock_stdout, mock_input):
crud.add_student()
self.assertTrue("ERROR" in mock_stdout.getvalue())
def test_add_student_duplicate_student_number(self, mock_stdout, mock_input):
crud.add_student()
crud.add_student()
self.assertTrue("ERROR" in mock_stdout.getvalue())
crud.file_write([])
def test_add_grade_invalid_grade(self, mock_stdout, mock_input):
crud.file_write([])
crud.add_student()
crud.add_grade()
self.assertTrue("Invalid grade" in mock_stdout.getvalue())
def test_add_grade_successfully(self, mock_input):
crud.file_write([])
crud.add_student()
crud.add_grade()
self.assertEqual(42.0, crud.file_read()[0].get_final_grades()[0])
crud.file_write([])