def flip_name(name):
''' takes a string in the format of Firstname Lastname and returns a string of Lastname, Firstname, uses the names function
from billy to make a tuple and then rearranges it.'''
first_last = split_name(name)
if first_last is not None:
firstname, lastname = first_last
return lastname + ", " + firstname
else:
return name
def test_None_on_non_matching_strings(self): "Test that we return ``None`` on non-matching strings." # Sorry, Yao Ming. for name in u"姚明", "1234": self.assertIsNone(split_name(name))
def test_split_name(self): "Test that input matches the expected output." output = sorted(split_name(name) for name in self.NAMES) self.assertEqual(output, sorted(self.EXPECTED))