def test_part2_example3():
test_input = [
"171 ORE => 8 CNZTR",
"7 ZLQW, 3 BMBT, 9 XCVML, 26 XMNCP, 1 WPTQ, 2 MZWV, 1 RJRHP => 4 PLWSL",
"114 ORE => 4 BHXH",
"14 VRPVC => 6 BMBT",
"6 BHXH, 18 KTJDG, 12 WPTQ, 7 PLWSL, 31 FHTLT, 37 ZDVW => 1 FUEL",
"6 WPTQ, 2 BMBT, 8 ZLQW, 18 KTJDG, 1 XMNCP, 6 MZWV, 1 RJRHP => 6 FHTLT",
"15 XDBXC, 2 LTCX, 1 VRPVC => 6 ZLQW",
"13 WPTQ, 10 LTCX, 3 RJRHP, 14 XMNCP, 2 MZWV, 1 ZLQW => 1 ZDVW",
"5 BMBT => 4 WPTQ",
"189 ORE => 9 KTJDG",
"1 MZWV, 17 XDBXC, 3 XCVML => 2 XMNCP",
"12 VRPVC, 27 CNZTR => 2 XDBXC",
"15 KTJDG, 12 BHXH => 5 XCVML",
"3 BHXH, 2 VRPVC => 7 MZWV",
"121 ORE => 7 VRPVC",
"7 XCVML => 6 RJRHP",
"5 BHXH, 4 VRPVC => 5 LTCX",
]
expected = 460664
reactions = [Reaction(line) for line in test_input]
factory = FuelFactory(reactions)
target = 1000000000000
result = factory.get_fuel_for(target)
assert result == expected
def test_part2_example1():
test_input = [
"157 ORE => 5 NZVS",
"165 ORE => 6 DCFZ",
"44 XJWVT, 5 KHKGT, 1 QDVJ, 29 NZVS, 9 GPVTF, 48 HKGWZ => 1 FUEL",
"12 HKGWZ, 1 GPVTF, 8 PSHF => 9 QDVJ",
"179 ORE => 7 PSHF",
"177 ORE => 5 HKGWZ",
"7 DCFZ, 7 PSHF => 2 XJWVT",
"165 ORE => 2 GPVTF",
"3 DCFZ, 7 NZVS, 5 HKGWZ, 10 PSHF => 8 KHKGT",
]
expected = 82892753
reactions = [Reaction(line) for line in test_input]
factory = FuelFactory(reactions)
target = 1000000000000
result = factory.get_fuel_for(target)
assert result == expected
def test_part2_example2():
test_input = [
"2 VPVL, 7 FWMGM, 2 CXFTF, 11 MNCFX => 1 STKFG",
"17 NVRVD, 3 JNWZP => 8 VPVL",
"53 STKFG, 6 MNCFX, 46 VJHF, 81 HVMC, 68 CXFTF, 25 GNMV => 1 FUEL",
"22 VJHF, 37 MNCFX => 5 FWMGM",
"139 ORE => 4 NVRVD",
"144 ORE => 7 JNWZP",
"5 MNCFX, 7 RFSQX, 2 FWMGM, 2 VPVL, 19 CXFTF => 3 HVMC",
"5 VJHF, 7 MNCFX, 9 VPVL, 37 CXFTF => 6 GNMV",
"145 ORE => 6 MNCFX",
"1 NVRVD => 8 CXFTF",
"1 VJHF, 6 MNCFX => 4 RFSQX",
"176 ORE => 6 VJHF",
]
expected = 5586022
reactions = [Reaction(line) for line in test_input]
factory = FuelFactory(reactions)
target = 1000000000000
result = factory.get_fuel_for(target)
assert result == expected