format for unit test python

1import unittest
2
3class TestStringMethods(unittest.TestCase):
4
5    def test_upper(self):
6        self.assertEqual('foo'.upper(), 'FOO')
7
8    def test_isupper(self):
9        self.assertTrue('FOO'.isupper())
10        self.assertFalse('Foo'.isupper())
11
12    def test_split(self):
13        s = 'hello world'
14        self.assertEqual(s.split(), ['hello', 'world'])
15        # check that s.split fails when the separator is not a string
16        with self.assertRaises(TypeError):
17            s.split(2)
18
19if __name__ == '__main__':
20    unittest.main()
21