advent-of-code/2023/day-2/main_test.go

package main

import (
	"strings"
	"testing"
)

func TestDay2CubeConundrum(t *testing.T) {
	testGames := `
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
`

	games := strings.Split(testGames, "\n")

	t.Run("Test the game parsing functionality", testParseGame)
	t.Run("Test calculating the sum of Game IDs", testSumOfGameIDs(games))
	t.Run("Test calculating the sum of the Power of Cubes", testSumOfThePowerOfTheCubes(games))
}

func testSumOfGameIDs(games []string) func(t *testing.T) {
	return func(t *testing.T) {
		got, err := sumOfGameIDs(games)
		if err != nil {
			t.Fatalf("Received an error after running sumOfGameIDs(); %v\n", err)
		}

		want := 8

		if got != want {
			t.Errorf("unexpected result received from sumOfGameIDs(); want %d, got %d\n", want, got)
		}
	}
}

func testSumOfThePowerOfTheCubes(games []string) func(t *testing.T) {
	return func(t *testing.T) {
		got, err := sumOfThePowerOfTheCubes(games)
		if err != nil {
			t.Fatalf("Received an error after running sumOfThePowerOfTheCubes(); %v\n", err)
		}

		want := 2286

		if got != want {
			t.Errorf("unexpected result received from sumOfThePowerOfTheCubes(); want %d; got %d", want, got)
		}
	}
}