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forked from baron/baron-sso
Files
baron-sso/adminfront/src/components/common/LanguageSelector.test.tsx

33 lines
925 B
TypeScript

import { render, screen, fireEvent } from "@testing-library/react";
import { beforeEach, describe, expect, it, vi } from "vitest";
import LanguageSelector from "./LanguageSelector";
vi.mock("../../lib/i18n", () => ({
t: (_key: string, fallback?: string) => fallback ?? "",
}));
describe("LanguageSelector", () => {
beforeEach(() => {
window.localStorage.clear();
vi.restoreAllMocks();
});
it("updates locale without reloading the page", () => {
const dispatchSpy = vi.spyOn(window, "dispatchEvent");
window.localStorage.setItem("locale", "ko");
render(<LanguageSelector />);
fireEvent.change(screen.getByRole("combobox"), {
target: { value: "en" },
});
expect(window.localStorage.getItem("locale")).toBe("en");
expect(
dispatchSpy.mock.calls.some(
([event]) => event instanceof Event && event.type === "localechange",
),
).toBe(true);
});
});