def test_3elements(self):
card1 = Card("a", "b")
card2 = Card("c", "d")
card3 = Card("e", "f")
x = Deck([card1, card2, card3])
x.shuffle_3waycut()
self.assertSetEqual(set(x), set([card1, card2, card3]))
def test_full(self):
x = Deck()
split_1 = 20
split_2 = 30
chunk1 = x[:split_1]
chunk2 = x[split_1:split_2]
chunk3 = x[split_2:]
before = set(x)
x.shuffle_3waycut(split_index_1=split_1, split_index_2=split_2)
after = set(x)
self.assertSetEqual(before, after)
# make sure that each chunk is preserved in the deck
chunks = [chunk1, chunk2, chunk3]
for chunk in chunks:
index = x.index(chunk[0])
sublist = x[index:index+len(chunk)]
self.assertListEqual(sublist, chunk)
def test_1element(self):
card = Card("a", "b")
x = Deck([card])
x.shuffle_3waycut()
self.assertEqual(x, [card])
def test_empty(self):
x = Deck()
x[:] = []
x.shuffle_3waycut()
self.assertEqual(x, [])