테스트 보강 및 dev 충돌/CI 정책 정리

backend/internal/utils/slug_test.go

@@ -0,0 +1,94 @@
+package utils
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestValidateSlug_Valid(t *testing.T) {
+	ok, msg := ValidateSlug("tenant-2026")
+	if !ok {
+		t.Fatalf("expected valid slug, got error: %s", msg)
+	}
+}
+
+func TestValidateSlug_ReservedKeywords(t *testing.T) {
+	cases := []string{
+		"stage",
+		"prod",
+		"metrics",
+		"prometheus",
+		"webmaster",
+		" Stage ",
+	}
+
+	for _, slug := range cases {
+		t.Run(slug, func(t *testing.T) {
+			ok, msg := ValidateSlug(slug)
+			if ok {
+				t.Fatalf("expected reserved slug to be rejected: %q", slug)
+			}
+			if msg != "slug is a reserved keyword" {
+				t.Fatalf("unexpected error message: %s", msg)
+			}
+		})
+	}
+}
+
+func TestValidateSlug_LengthRules(t *testing.T) {
+	tests := []struct {
+		name string
+		slug string
+	}{
+		{name: "too short", slug: "ab"},
+		{name: "too long", slug: strings.Repeat("a", 33)},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			ok, msg := ValidateSlug(tc.slug)
+			if ok {
+				t.Fatalf("expected invalid length slug: %q", tc.slug)
+			}
+			if msg != "slug must be between 3 and 32 characters" {
+				t.Fatalf("unexpected error message: %s", msg)
+			}
+		})
+	}
+}
+
+func TestValidateSlug_FormatRules(t *testing.T) {
+	tests := []struct {
+		name    string
+		slug    string
+		wantMsg string
+	}{
+		{
+			name:    "invalid character",
+			slug:    "tenant_name",
+			wantMsg: "slug can only contain lowercase letters, numbers, and hyphens",
+		},
+		{
+			name:    "leading hyphen",
+			slug:    "-tenant",
+			wantMsg: "slug cannot start or end with a hyphen",
+		},
+		{
+			name:    "trailing hyphen",
+			slug:    "tenant-",
+			wantMsg: "slug cannot start or end with a hyphen",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			ok, msg := ValidateSlug(tc.slug)
+			if ok {
+				t.Fatalf("expected invalid slug: %q", tc.slug)
+			}
+			if msg != tc.wantMsg {
+				t.Fatalf("unexpected error message: %s", msg)
+			}
+		})
+	}
+}