def test_value_is_true(self):
self.assertEqual(
prime_numbers.append_prime_numbers(True),
"Operation cannot allow " + str(type(True)) + ", integers only.")
def test_numbers_less_than_one5(self):
self.assertEqual(prime_numbers.append_prime_numbers(-1000),
"Prime numbers exist only for positive integers")
def test_value_is_dictionary(self):
self.assertEqual(
prime_numbers.append_prime_numbers({}),
"Operation cannot allow " + str(type({})) + ", integers only.")
def test_value_is_string(self):
self.assertEqual(
prime_numbers.append_prime_numbers("string"),
"Operation cannot allow " + str(type("")) + ", integers only.")