2015-day19: some chemistry... silly solution of shuffling the order of reactions

2015/day19/main_test.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/alexchao26/advent-of-code-go/util"
+)
+
+var example = `H => HO
+H => OH
+O => HH
+
+HOH`
+
+func Test_part1(t *testing.T) {
+	tests := []struct {
+		name  string
+		input string
+		want  int
+	}{
+		{"example", example, 4},
+		{"example", example + "OHO", 7},
+		{"actual", util.ReadFile("input.txt"), 576},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := part1(tt.input); got != tt.want {
+				t.Errorf("part1() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+var part2Example = `e => H
+e => O
+H => HO
+H => OH
+O => HH
+
+HOH`
+
+func Test_part2(t *testing.T) {
+	tests := []struct {
+		name  string
+		input string
+		want  int
+	}{
+		{"example", part2Example, 3},
+		{"example", part2Example + "OHO", 6},
+		{"actual", util.ReadFile("input.txt"), 207},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := part2(tt.input); got != tt.want {
+				t.Errorf("part2() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}