import unittest
import importlib  
solution = importlib.import_module("ch-2")


class TestStringMethods(unittest.TestCase):
    def test_matcher(self):
        solution.string_score("hello") |> self.assertEqual$(13)
        solution.string_score("perl") |> self.assertEqual$(30)
        solution.string_score("raku") |> self.assertEqual$(37)
        solution.string_score("coconut") |> self.assertEqual$(45)

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