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advent-of-code-2023/tests/gears_test.py
2023-12-16 16:25:05 -08:00

99 lines
2.4 KiB
Python

from advent_of_code.gears import (
Schematic,
SchematicNumber,
SchematicSymbol,
solve_part_1,
solve_part_2,
)
mock_input = """
467..114..
...*......
..35..633.
......#...
617*......
.....+..58
..592.....
......755.
...$.*....
.664.598.3
""".strip()
def test_schematic_number_extend_digit():
assert SchematicNumber("", 1, 2).extend_digit("3") == SchematicNumber("3", 1, 2)
assert (
SchematicNumber("5", 3, 5).extend_digit("0").extend_digit("4")
) == SchematicNumber("504", 3, 5)
def test_parse_schematic():
assert Schematic.parse(mock_input) == Schematic(
[
SchematicNumber("467", 0, 0),
SchematicNumber("114", 0, 5),
SchematicNumber("35", 2, 2),
SchematicNumber("633", 2, 6),
SchematicNumber("617", 4, 0),
SchematicNumber("58", 5, 8),
SchematicNumber("592", 6, 2),
SchematicNumber("755", 7, 6),
SchematicNumber("664", 9, 1),
SchematicNumber("598", 9, 5),
SchematicNumber("3", 9, 9),
],
[
SchematicSymbol("*", 1, 3),
SchematicSymbol("#", 3, 6),
SchematicSymbol("*", 4, 3),
SchematicSymbol("+", 5, 5),
SchematicSymbol("$", 8, 3),
SchematicSymbol("*", 8, 5),
],
)
def test_schematic_part_numbers():
assert Schematic.parse(mock_input).part_numbers() == [
(
SchematicNumber("467", 0, 0),
SchematicSymbol("*", 1, 3),
),
(
SchematicNumber("35", 2, 2),
SchematicSymbol("*", 1, 3),
),
(
SchematicNumber("633", 2, 6),
SchematicSymbol("#", 3, 6),
),
(
SchematicNumber("617", 4, 0),
SchematicSymbol("*", 4, 3),
),
(
SchematicNumber("592", 6, 2),
SchematicSymbol("+", 5, 5),
),
(
SchematicNumber("755", 7, 6),
SchematicSymbol("*", 8, 5),
),
(
SchematicNumber("664", 9, 1),
SchematicSymbol("$", 8, 3),
),
(
SchematicNumber("598", 9, 5),
SchematicSymbol("*", 8, 5),
),
]
def test_solve_part_1():
assert solve_part_1(mock_input) == "4361"
def test_solve_part_2():
assert solve_part_2(mock_input) == "467835"