def test_with_simple_space_delimited_tags(self):
    '\n        Test with simple space-delimited tags.\n        '
    self.assertEqual(parse_tags('one'), ['one'])
    self.assertEqual(parse_tags('one two'), ['one', 'two'])
    self.assertEqual(parse_tags('one two three'), ['one', 'three', 'two'])
    self.assertEqual(parse_tags('one one two two'), ['one', 'two'])
Test with simple space-delimited tags.
def test_with_simple_space_delimited_tags(self):
    '\n        \n        '
    self.assertEqual(parse_tags('one'), ['one'])
    self.assertEqual(parse_tags('one two'), ['one', 'two'])
    self.assertEqual(parse_tags('one two three'), ['one', 'three', 'two'])
    self.assertEqual(parse_tags('one one two two'), ['one', 'two'])