def test_length_one(self):
self.assertEqual(permutations('1'), ['1'])
def test_really_long(self):
self.assertEqual(
set(permutations('ABCDEFGH')),
set([''.join(p) for p in itertools.permutations('ABCDEFGH')])
)
def test_length_three(self):
self.assertEqual(
permutations('123'),
['123', '132', '213', '231', '321', '312']
)
def test_length_three_repeated(self):
self.assertEqual(
permutations('111'),
['111'] * 6
)
def test_length_two(self):
self.assertEqual(permutations('12'), ['12', '21'])
