36 lines
1.4 KiB
Python
36 lines
1.4 KiB
Python
import pytest
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from src.user_keypad import UserKeypad
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from src.models import KeypadSize
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@pytest.fixture()
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def user_keypad():
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return UserKeypad.create(keypad_size=KeypadSize(props_per_key=8, numb_of_keys=8))
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def test_dispersion(user_keypad):
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for _ in range(10000):
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pre_dispersion_graph = user_keypad.property_adjacency_graph()
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user_keypad.disperse_keypad()
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post_dispersion_graph = user_keypad.property_adjacency_graph()
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for prop, adj_graph in pre_dispersion_graph.items():
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assert (adj_graph.isdisjoint(post_dispersion_graph[prop]))
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def test_shuffle_props(user_keypad):
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"""there's no easy way to test this. At some point we'll have to run this code thousands of time to see if we get
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expected statistical outcomes like:
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- every property gets to every key with a uniform distribution
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- every property is adjacent to every other property with uniform distribution
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- the order in which the cipher move from key to key is random (i.e. the distance traveled is uniform)
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"""
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pre_shuffle_keypad = user_keypad.keypad.copy()
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user_keypad.split_shuffle()
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post_shuffle_keypad = user_keypad.keypad.copy()
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assert (not all(
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post_shuffle_keypad[idx] == pre_shuffle_keypad[idx] for idx in range(len(post_shuffle_keypad))
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))
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assert (not all(
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post_shuffle_keypad[idx] != pre_shuffle_keypad[idx] for idx in range(len(post_shuffle_keypad))
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))
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