import unittest


# enhancement 1
def get_file_and_destination():
    input_file = input("What is the file name?")
    mp4_converter = ".mp4"
    input_file = input_file + mp4_converter

    destination_file = input("Where you want to save it to?")
    return input_file, destination_file


# enhancement 2
def get_user_input():
    user_preference = input("Enter your frame preference in total: ")
    if not user_preference.isnumeric():
        print("Please enter an integer!")
        new_value = get_user_input()
        user_preference = new_value
    return user_preference


# test variables for enhancement 1
first, second = get_file_and_destination()
# test variable for enhancement 2
input_number = get_user_input()


class BasicTests(unittest.TestCase):

    def test_get_string(self):
        file_name = "video.mp4"
        self.assertEqual(first, file_name)

    def test_get_destination(self):
        destination = "testing destination"
        self.assertEqual(second, destination)

    def test_input_number(self):
        output_expected = input_number.isnumeric()
        self.assertTrue(output_expected)


if __name__ == "__main__":
    unittest.main()