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52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
import pytest
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from aoc.days.day21 import (
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DayRunner,
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encode_shortest_dirpad,
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encode_shortest_numpad,
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)
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from . import get_data
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def test_encode_shortest_numpad() -> None:
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assert encode_shortest_numpad("029A") in (
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"<A^A>^^AvvvA",
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"<A^A^>^AvvvA",
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"<A^A^^>AvvvA",
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)
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def test_encode_shortest_dirpad() -> None:
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numpad_encoded = encode_shortest_numpad("029A")
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assert len(encode_shortest_dirpad(numpad_encoded)) == len(
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"v<<A>>^A<A>AvA<^AA>A<vAAA>^A"
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)
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@pytest.mark.parametrize(
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"code,answer",
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[
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(
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"029A",
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"<vA<AA>>^AvAA<^A>A<v<A>>^AvA^A<vA>^A<v<A>^A>AAvA^A<v<A>A>^AAAvA<^A>A",
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),
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("980A", "<v<A>>^AAAvA^A<vA<AA>>^AvAA<^A>A<v<A>A>^AAAvA<^A>A<vA>^A<A>A"),
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(
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"179A",
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"<v<A>>^A<vA<A>>^AAvAA<^A>A<v<A>>^AAvA^A<vA>^AA<A>A<v<A>A>^AAAvA<^A>A",
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),
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("456A", "<v<A>>^AA<vA<A>>^AAvAA<^A>A<vA>^A<A>A<vA>^A<A>A<v<A>A>^AAvA<^A>A"),
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("379A", "<v<A>>^AvA^A<vA<AA>>^AAvA<^A>AAvA^A<vA>^AA<A>A<v<A>A>^AAAvA<^A>A"),
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],
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)
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def test_encode_shortest_dirpad_twice(code: str, answer: str) -> None:
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numpad_encoded = encode_shortest_numpad(code)
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robot1 = encode_shortest_dirpad(numpad_encoded)
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robot2 = encode_shortest_dirpad(robot1)
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assert len(robot2) == len(answer)
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def test_sample_part1() -> None:
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assert DayRunner.part1(get_data(21)) == 126384
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