def test_create_shuffle_from_identifier():
Key.set_random_seed(1111)
Shuffle.set_random_seed(1112)
# Empty keep-same shuffle
key = Key()
original_shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
recreated_shuffle = Shuffle.create_shuffle_from_identifier(original_shuffle.get_identifier())
assert original_shuffle.__repr__() == recreated_shuffle.__repr__()
# Empty random shuffle
key = Key()
original_shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
recreated_shuffle = Shuffle.create_shuffle_from_identifier(original_shuffle.get_identifier())
assert original_shuffle.__repr__() == recreated_shuffle.__repr__()
# Non-empty keep-same shuffle
key = Key.create_random_key(32)
original_shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
recreated_shuffle = Shuffle.create_shuffle_from_identifier(original_shuffle.get_identifier())
assert original_shuffle.__repr__() == recreated_shuffle.__repr__()
# Non-empty random shuffle
key = Key.create_random_key(32)
original_shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
recreated_shuffle = Shuffle.create_shuffle_from_identifier(original_shuffle.get_identifier())
assert original_shuffle.__repr__() == recreated_shuffle.__repr__()
def test_create_shuffle_keep_same():
Key.set_random_seed(1111)
Shuffle.set_random_seed(1112)
# Empty shuffle.
key = Key()
assert key.__str__() == ""
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
assert shuffle.__str__() == ""
# Non-empty shuffle.
key = Key.create_random_key(8)
assert key.__str__() == "00101100"
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
assert shuffle.__str__() == "0->0 1->1 2->2 3->3 4->4 5->5 6->6 7->7"
for index in range(key.get_size()):
assert shuffle.get_bit(key, index) == key.get_bit(index)
def test_create_shuffle_random():
Key.set_random_seed(1111)
Shuffle.set_random_seed(1112)
# Empty shuffle.
key = Key()
assert key.__str__() == ""
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
assert shuffle.__str__() == ""
# Non-empty shuffle.
key = Key.create_random_key(16)
assert key.__str__() == "0010110001010010"
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
assert shuffle.__str__() == ("0->2 1->9 2->8 3->7 4->3 5->12 6->1 7->5 8->13 "
"9->6 10->0 11->14 12->10 13->4 14->11 15->15")
key = Key()
assert key.__str__() == ""
def test_get_size():
key = Key()
assert key.get_size() == 0
key = Key.create_random_key(7)
assert key.get_size() == 7
def test_create_empty_key():
key = Key()
assert key.get_size() == 0
