def test_upto_num(self):
self.assertEqual(
prime_num(13), [2, 3, 5, 7, 11, 13],
msg="The result should include n, the argument of the function")
def test_correct_output(self):
self.assertEqual(prime_num(15), [2, 3, 5, 7, 11, 13],
msg="Return the correct output")
def test_less_than2(self):
self.assertEqual(prime_num(1),
"0 and 1 are not prime",
msg="there exists no prime numbers below 2")
def test_even_num(self):
self.assertEquals(
prime_num(10), [2, 3, 5, 7],
msg="All even numbers except 2 are not prime numbers")
def test_negative_num(self):
self.assertEqual(
prime_num(-1),
"invalid input",
msg="Return invalid input if argument is negative number")