백업/복구로직 변경, 깜빡임 버그 해결

adminfront/src/features/auth/AuthGuard.test.tsx

@@ -0,0 +1,56 @@
+import { render, screen, waitFor } from "@testing-library/react";
+import { MemoryRouter, Route, Routes } from "react-router-dom";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import AuthGuard from "./AuthGuard";
+
+const authState = {
+  activeNavigator: undefined,
+  error: undefined as Error | undefined,
+  isAuthenticated: false,
+  isLoading: false,
+  removeUser: vi.fn(async () => undefined),
+};
+
+vi.mock("react-oidc-context", () => ({
+  useAuth: () => authState,
+}));
+
+function renderAuthGuard(initialEntry = "/users") {
+  return render(
+    <MemoryRouter initialEntries={[initialEntry]}>
+      <Routes>
+        <Route path="/" element={<AuthGuard />}>
+          <Route path="users" element={<div>Users outlet</div>} />
+        </Route>
+        <Route path="/login" element={<div>Login outlet</div>} />
+      </Routes>
+    </MemoryRouter>,
+  );
+}
+
+describe("AuthGuard", () => {
+  beforeEach(() => {
+    (
+      window as Window & typeof globalThis & { _IS_TEST_MODE?: boolean }
+    )._IS_TEST_MODE = false;
+    authState.activeNavigator = undefined;
+    authState.error = undefined;
+    authState.isAuthenticated = false;
+    authState.isLoading = false;
+    authState.removeUser.mockClear();
+    window.localStorage.clear();
+  });
+
+  it("clears stale auth state and returns to login when OIDC reports an error", async () => {
+    window.localStorage.setItem("admin_session", "stale-token");
+    authState.error = new Error("stale session");
+
+    renderAuthGuard();
+
+    await waitFor(() => {
+      expect(authState.removeUser).toHaveBeenCalled();
+    });
+    await screen.findByText("Login outlet");
+    expect(window.localStorage.getItem("admin_session")).toBeNull();
+  });
+});