def test__sloppy_shuffles_composition_2_2():
items = ('a', 'b', 'c', 'd')
comp = (2, 2)
unsigned_shuffles = list(sloppy_shuffles(items, comp))
signed_shuffle = list(sloppy_shuffles(items, comp, yield_signature=True))
assert (
unsigned_shuffles == [
('a', 'b', 'c', 'd'),
('a', 'd', 'b', 'c'),
('a', 'd', 'c', 'b'),
('c', 'b', 'a', 'd'),
('c', 'b', 'd', 'a'),
('c', 'd', 'a', 'b')
]
)
assert (
signed_shuffle == [
(('a', 'b', 'c', 'd'), +1),
(('a', 'd', 'b', 'c'), +1),
(('a', 'd', 'c', 'b'), -1),
(('c', 'b', 'a', 'd'), -1),
(('c', 'b', 'd', 'a'), +1),
(('c', 'd', 'a', 'b'), +1)
]
)
def test__sloppy_shuffles_composition_1_2():
items = ('a', 'b', 'c')
comp = (1, 2)
unsigned_shuffles = list(sloppy_shuffles(items, comp))
signed_shuffle = list(sloppy_shuffles(items, comp, yield_signature=True))
assert (unsigned_shuffles == [('a', 'b', 'c'), ('c', 'a', 'b'),
('c', 'b', 'a')])
assert (signed_shuffle == [(('a', 'b', 'c'), +1), (('c', 'a', 'b'), +1),
(('c', 'b', 'a'), -1)])