table test puzzles

2024/puzzle_test.go

@@ -1,6 +1,7 @@
 package adventoc2024
 
 import (
+	"fmt"
 	"io"
 	"strings"
 	"testing"
@@ -10,43 +11,55 @@ func dup(input string) (io.Reader, io.Reader) {
 	return strings.NewReader(input), strings.NewReader(input)
 }
 
-func TestDay01(t *testing.T) {
-	input := `3   4
+type puzzle interface {
+	Part1(io.Reader) string
+	Part2(io.Reader) string
+}
+
+func TestPuzzles(t *testing.T) {
+	tests := []struct {
+		solver puzzle
+		ans1   string
+		ans2   string
+		input  string
+	}{
+
+		{
+			solver: Day1{},
+			ans1:   "11",
+			ans2:   "31",
+			input: `3   4
 4   3
 2   5
 1   3
 3   9
-3   3`
-
-	p1, p2 := dup(input)
-	solver := Day1{}
-
-	if got, expected := solver.Part1(p1), "11"; got != expected {
-		t.Errorf("day01 part 1 = %s; expected %s", got, expected)
-	}
-
-	if got, expected := solver.Part2(p2), "31"; got != expected {
-		t.Errorf("day01 part 2 = %s; expected %s", got, expected)
-	}
-}
-
-func TestDay02(t *testing.T) {
-	input := `7 6 4 2 1
+3   3`,
+		},
+		{
+			solver: Day2{},
+			ans1:   "2",
+			ans2:   "4",
+			input: `7 6 4 2 1
 1 2 7 8 9
 9 7 6 2 1
 1 3 2 4 5
 8 6 4 4 1
-1 3 6 7 9`
-
-	p1, p2 := dup(input)
-	solver := Day2{}
+1 3 6 7 9`,
+		},
+	}
 
-	if got, expected := solver.Part1(p1), "2"; got != expected {
-		t.Errorf("day 2 part 1 = %s; expected %s", got, expected)
+	for i, tt := range tests {
+		name := fmt.Sprintf("Day%d", i+1)
+		t.Run(name, func(t *testing.T) {
+			p1, p2 := dup(tt.input)
+			if got := tt.solver.Part1(p1); got != tt.ans1 {
+				t.Errorf("Part 1 = %s; expected %s", got, tt.ans1)
 			}
 
-	if got, expected := solver.Part2(p2), "4"; got != expected {
-		t.Errorf("day 2 part 2 = %s; expected %s", got, expected)
+			if got := tt.solver.Part2(p2); got != tt.ans2 {
+				t.Errorf("Part 2 = %s; expected %s", got, tt.ans2)
+			}
+		})
 	}
 
 }