matchy/tests/util_test.py

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import matchy.util as util
def test_iterate_all_shifts():
original = [1, 2, 3, 4]
lists = [val for val in util.iterate_all_shifts(original)]
assert lists == [
[1, 2, 3, 4],
[2, 3, 4, 1],
[3, 4, 1, 2],
[4, 1, 2, 3],
]