20 lines
403 B
Python

import unittest
class TestFindDiff(unittest.TestCase):
def test_find_diff(self):
solution = Solution()
self.assertRaises(TypeError, solution.find_diff, None)
self.assertEqual(solution.find_diff('aaabbcdd', 'abdbacade'), 'e')
print('Success: test_find_diff')
def main():
test = TestFindDiff()
test.test_find_diff()
if __name__ == '__main__':
main()