import unittest from s2_a4_a import normalize_number class TestPhoneNumber(unittest.TestCase): test_correct_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_wrong_numbers = [ "+1 123-234-3333", "1 222-333-1111", "222-333-9999", "22-333-4444" ] def test_given_numbers_correct(self): for numbers in self.test_correct_numbers[:-1]: self.assertEqual("1-223-456-7890", normalize_number(numbers)) self.assertEqual("1-989-111-2222", normalize_number("1-989-111-2222")) def test_number_exception(self): for numbers in self.test_wrong_numbers: with self.assertRaises(ValueError) as context: normalize_number(numbers) self.assertTrue('This is broken' in context.exception)