feat: solve day 12 and there is no part 2

2025-12-24 08:35:14 -06:00
parent f99af72e2e
commit 52b76f4ce5
5 changed files with 351 additions and 48 deletions
@@ -1,9 +1,149 @@
 package shape_test

 import (
+	"strings"
 	"testing"
+
+	"github.com/StevanFreeborn/advent-of-code-2025/cmd/12/shape"
 )

-func TestFrom(t *testing.T) {
+func TestGenerateVariants(t *testing.T) {
+	t.Run("works for shape 0", func(t *testing.T) {
+		expectedVariants := [][]string{
+			{
+				"###",
+				"##.",
+				"##.",
+			},
+			{
+				"###",
+				".##",
+				".##",
+			},
+			{
+				"###",
+				"###",
+				"#..",
+			},
+			{
+				"###",
+				"###",
+				"..#",
+			},
+			{
+				".##",
+				".##",
+				"###",
+			},
+			{
+				"##.",
+				"##.",
+				"###",
+			},
+		}

+		lines := []string{
+			"0:",
+			"###",
+			"##.",
+			"##.",
+		}
+
+		shape := shape.From(lines)
+
+		result := shape.GenerateVariants()
+
+		for _, ev := range expectedVariants {
+			expected := strings.Join(ev, "\n")
+
+			found := false
+
+			for _, v := range result {
+				if strings.TrimSpace(v.String()) == expected {
+					found = true
+				}
+			}
+
+			if found == false {
+				t.Errorf("expected to find variant but did not:\n%v", expected)
+			}
+		}
+	})
+
+	t.Run("works for shape 1", func(t *testing.T) {
+		expectedVariants := [][]string{
+			{
+				"###",
+				"##.",
+				".##",
+			},
+			{
+				".##",
+				"###",
+				"#.#",
+			},
+			{
+				"##.",
+				".##",
+				"###",
+			},
+			{
+				"#.#",
+				"###",
+				"##.",
+			},
+			{
+				"###",
+				".##",
+				"##.",
+			},
+			{
+				"##.",
+				"###",
+				"#.#",
+			},
+			{
+				"##.",
+				"###",
+				"#.#",
+			},
+			{
+				".##",
+				"##.",
+				"###",
+			},
+			{
+				"#.#",
+				"###",
+				".##",
+			},
+		}
+
+		lines := []string{
+			"0:",
+			"###",
+			"##.",
+			".##",
+		}
+
+		shape := shape.From(lines)
+
+		result := shape.GenerateVariants()
+
+		for _, ev := range expectedVariants {
+			expected := strings.Join(ev, "\n")
+
+			found := false
+
+			for _, v := range result {
+				if strings.TrimSpace(v.String()) == expected {
+					found = true
+				}
+			}
+
+			if found == false {
+				t.Errorf("expected to find variant but did not:\n%v", expected)
+			}
+		}
+	})
 }