python_pkg_sekeleton/tests/test.py

import unittest
from increment import add_one

class Tester(unittest.TestCase):
    def test_add_one(self):
        self.assertEqual(add_one(1),  2)
        self.assertEqual(add_one(-1), 0)
        self.assertEqual(add_one(0),  1)

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