adventofcode2023/main_test.go

package main

import (
	"strings"
	"testing"
)

func TestDay01(t *testing.T) {
	ans1 := "142"
	input1 := `1abc2
    pqr3stu8vwx
    a1b2c3d4e5f
    treb7uchet`

	ans2 := "281"
	input2 := `two1nine
    eightwothree
    abcone2threexyz
    xtwone3four
    4nineeightseven2
    zoneight234
    7pqrstsixteen`

	puzzle := day01{}

	res1 := puzzle.solve1(strings.NewReader(input1))
	t.Logf("day 1 solution 1: %s", res1)
	if res1 != ans1 {
		t.Errorf("day 1 solution 1 = %s; wanted %s", res1, ans1)
	}

	res2 := puzzle.solve2(strings.NewReader(input2))
	t.Logf("day 1 solution 2: %s", res2)
	if res2 != ans2 {
		t.Errorf("day 1 solution 2 = %s; wanted %s", res2, ans2)
	}
}

func TestDay02(t *testing.T) {
	input := `Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green`

	puzzle := day02{}

	ans1 := "8"
	res1 := puzzle.solve1(strings.NewReader(input))
	t.Logf("day 2 solution 1: %s", res1)
	if res1 != ans1 {
		t.Errorf("day 2 solution 1 = %s; wanted %s", res1, ans1)
	}

	ans2 := "2286"
	res2 := puzzle.solve2(strings.NewReader(input))
	t.Logf("day 2 solution 2: %s", res2)
	if res2 != ans2 {
		t.Errorf("day 2 solution 2 = %s; wanted %s", res2, ans2)
	}

}

func TestDay03(t *testing.T) {
	input1 := `467..114..
...*......
..35..633.
......#...
617*......
.....+.58.
..592.....
......755.
...$.*....
.664.598..`

	puzzle := day03{}

	ans1 := "4361"
	res1 := puzzle.solve1(strings.NewReader(input1))
	if res1 != ans1 {
		t.Errorf("day 3 solution 1 = %s; wanted %s", res1, ans1)
	}
}

func TestDay04(t *testing.T) {
	input1 := `Card 1: 41 48 83 86 17 | 83 86  6 31 17  9 48 53
Card 2: 13 32 20 16 61 | 61 30 68 82 17 32 24 19
Card 3:  1 21 53 59 44 | 69 82 63 72 16 21 14  1
Card 4: 41 92 73 84 69 | 59 84 76 51 58  5 54 83
Card 5: 87 83 26 28 32 | 88 30 70 12 93 22 82 36
Card 6: 31 18 13 56 72 | 74 77 10 23 35 67 36 11`

	puzzle := day04{}
	ans1 := "13"
	res1 := puzzle.solve1(strings.NewReader(input1))
	if res1 != ans1 {
		t.Errorf("solve1() = %s; wanted %s", res1, ans1)
	}

	ans2 := "30"
	res2 := puzzle.solve2(strings.NewReader(input1))
	if res2 != ans2 {
		t.Errorf("solve2() = %s; wanted %s", res2, ans2)
	}

}

func TestDay05(t *testing.T) {
	input := `seeds: 79 14 55 13

seed-to-soil map:
50 98 2
52 50 48

soil-to-fertilizer map:
0 15 37
37 52 2
39 0 15

fertilizer-to-water map:
49 53 8
0 11 42
42 0 7
57 7 4

water-to-light map:
88 18 7
18 25 70

light-to-temperature map:
45 77 23
81 45 19
68 64 13

temperature-to-humidity map:
0 69 1
1 0 69

humidity-to-location map:
60 56 37
56 93 4`

	puzzle := day05{}

	ans := "35"
	res := puzzle.solve1(strings.NewReader(input))
	if ans != res {
		t.Errorf("solve1() = %s; wanted %s", res, ans)
	}

}