import unittest
import s2_a4_a

test_numbers = [
    "+1 223-456-7890",
    "1-223-456-7890",
    "+1 223 456-7890",
    "(223) 456-7890",
    "1 223 456 7890",
    "223.456.7890",
    "1-989-111-2222",
    ]

test_results = [
    "1-223-456-7890"

]

class Test_Normalizer(unittest.TestCase):
    
    
    def test1(self):
        input = s2_a4_a.normalize(test_numbers[0])
        output = test_results[0]
        self.assertEqual(input, output)
       

    def test2(self):
        self.assertRaises(ValueError, s2_a4_a.normalize, "Gehen Strings fit bre?")
        

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