테스트 코드 추가

backend/internal/utils/slug_test.go

@@ -0,0 +1,56 @@
+package utils
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidateSlug_ReservedKeywords(t *testing.T) {
+	tests := []struct {
+		slug  string
+		valid bool
+	}{
+		{"my-tenant", true},
+		{"admin", false},
+		{"api", false},
+		{"static", false},
+		{"security", false},
+		{"billing", false},
+		{"ns", false},
+		{"mx", false},
+		{"webmaster", false},
+		{"status", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.slug, func(t *testing.T) {
+			valid, msg := ValidateSlug(tt.slug)
+			assert.Equal(t, tt.valid, valid, "Slug: "+tt.slug+" - "+msg)
+		})
+	}
+}
+
+func TestValidateSlug_Format(t *testing.T) {
+	tests := []struct {
+		slug  string
+		valid bool
+	}{
+		{"abc", true},
+		{"a-b-c", true},
+		{"123", true},
+		{"ab", false},          // Too short
+		{"-abc", false},         // Starts with hyphen
+		{"abc-", false},         // Ends with hyphen
+		{"Abc", true},           // Case insensitive check (converted to lower)
+		{"invalid_slug", false}, // Contains underscore
+		{"too-long-slug-name-that-exceeds-thirty-two-chars", false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.slug, func(t *testing.T) {
+			valid, _ := ValidateSlug(tt.slug)
+			assert.Equal(t, tt.valid, valid)
+		})
+	}
+}