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