def test_load_donor_data_from_file(self):
donor1 = Donor("jeff bezos", [200000])
donor2 = Donor("Bill Gates", [150000])
dc = DonorCollection([donor1, donor2])
msg = "File donors.txt does not exist. The donors record history is currently empty!"
with mock.patch("builtins.open", mock.mock_open()) as mock_open:
mock_open.side_effect = FileNotFoundError()
result = dc.load_donor_data_from_file('donors.txt')
assert result == msg
assert dc.donor_list == []
mock_open.assert_called_with('donors.txt', 'r')
dc = DonorCollection()
msg = "Donors records successfully loaded from donors.txt !"
donor_text = "jeff bezos;30000.0,50000.0\nbill gates;20000.0,80000.0\n"
mock_open = mock.mock_open(read_data=donor_text)
with mock.patch("builtins.open", mock_open):
result = dc.load_donor_data_from_file('donors.txt')
assert result == msg
assert dc.donor_list == [
Donor('bill gates', [20000.0, 80000.0]),
Donor('jeff bezos', [30000.0, 50000.0])
]
assert dc.donor_list[0] > dc.donor_list[1]
mock_open.assert_called_with('donors.txt', 'r')
def main():
# Loading donors data if it exists
filename = 'donors.txt'
donor_collection = DonorCollection()
msg = donor_collection.load_donor_data_from_file(filename)
IO.print_data_to_user(msg)
# Display the menu
while True:
IO.print_main_menu()
choice = IO.input_choice("Which action would you like to perform? ")
if choice == '1':
IO.send_thank_you_to_single_donor(donor_collection)
elif choice == '2':
IO.print_data_to_user(donor_collection.generate_donor_report())
elif choice == '3':
IO.print_data_to_user(donor_collection.generate_letter_to_all_donors())
elif choice == '4':
if len(donor_collection.donor_list):
donor_collection.save_donor_data_to_file(filename)
IO.print_data_to_user("GoodBye!")
break
else:
IO.print_data_to_user("Your selection is invalid. Please select a menu option from 1 to 4")
