def test_getOnePermutation(self):
iterable = ["a"]
results = utils.getPermutations(iterable)
expected = [('a',)]
self.assertEqual(results, expected)
def test_getThreePermutations(self):
iterable = ["a", "b", "c"]
results = utils.getPermutations(iterable)
expected = [('a',), ('b',), ('c',), ('a', 'b'), ('a', 'c'), ('b', 'c'),
('a', 'b', 'c')]
self.assertEqual(results, expected)