João Salavisa
43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { afterEach, describe, expect, it } from "vitest";
|
|
|
|
import { LOCALE_COOKIE, readLocaleCookie, writeLocaleCookie } from "./cookie";
|
|
|
|
function clearCookies() {
|
|
for (const part of document.cookie.split(";")) {
|
|
const name = part.split("=")[0]?.trim();
|
|
if (name) document.cookie = `${name}=; path=/; max-age=0`;
|
|
}
|
|
}
|
|
|
|
describe("locale cookie", () => {
|
|
afterEach(clearCookies);
|
|
|
|
it("round-trips a written locale", () => {
|
|
writeLocaleCookie("pseudo");
|
|
expect(readLocaleCookie()).toBe("pseudo");
|
|
});
|
|
|
|
it("returns undefined when the cookie is absent", () => {
|
|
expect(readLocaleCookie()).toBeUndefined();
|
|
});
|
|
|
|
it("treats a malformed percent-escape as unset instead of throwing", () => {
|
|
// `decodeURIComponent("%E0%A4%A")` throws URIError. This runs at module scope
|
|
// via resolveInitialLocale, before React mounts, so a throw here is
|
|
// unrecoverable and blanks the app with no error of any kind.
|
|
document.cookie = `${LOCALE_COOKIE}=%E0%A4%A; path=/`;
|
|
expect(() => readLocaleCookie()).not.toThrow();
|
|
expect(readLocaleCookie()).toBeUndefined();
|
|
});
|
|
|
|
it("uses the shared cookie name", () => {
|
|
writeLocaleCookie("en");
|
|
expect(document.cookie).toContain(`${LOCALE_COOKIE}=en`);
|
|
});
|
|
|
|
it("does not confuse a similarly-prefixed cookie", () => {
|
|
document.cookie = `${LOCALE_COOKIE}_other=xx; path=/`;
|
|
expect(readLocaleCookie()).toBeUndefined();
|
|
});
|
|
});
|