chyendongnhanh338andGitHub
08ebe5e7e1
Adds client-side i18n support, language settings, translated UI copy, and locale parity coverage.
69 lines
2.4 KiB
TypeScript
69 lines
2.4 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { LANGUAGE_OPTIONS, parseAppLanguage, resolveSupportedLocale } from "./locales";
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describe("parseAppLanguage", () => {
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it("accepts system and all UN official language locales", () => {
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expect(["system", "ar", "en", "es", "fr", "ru", "zh-CN"].map(parseAppLanguage)).toEqual([
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"system",
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"ar",
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"en",
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"es",
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"fr",
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"ru",
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"zh-CN",
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]);
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});
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it("returns null for unknown values", () => {
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expect(parseAppLanguage("de")).toBeNull();
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expect(parseAppLanguage(null)).toBeNull();
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});
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it("offers system plus the six UN official languages", () => {
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expect(LANGUAGE_OPTIONS.map((option) => option.value)).toEqual([
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"system",
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"ar",
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"en",
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"es",
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"fr",
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"ru",
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"zh-CN",
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]);
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});
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});
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describe("resolveSupportedLocale", () => {
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it("respects explicit language choices", () => {
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expect(resolveSupportedLocale("ar", ["en-US"])).toBe("ar");
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expect(resolveSupportedLocale("en", ["zh-CN"])).toBe("en");
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expect(resolveSupportedLocale("es", ["en-US"])).toBe("es");
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expect(resolveSupportedLocale("fr", ["en-US"])).toBe("fr");
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expect(resolveSupportedLocale("ru", ["en-US"])).toBe("ru");
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expect(resolveSupportedLocale("zh-CN", ["en-US"])).toBe("zh-CN");
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});
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it("maps UN official system locales", () => {
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expect(resolveSupportedLocale("system", ["ar-EG"])).toBe("ar");
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expect(resolveSupportedLocale("system", ["es-MX"])).toBe("es");
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expect(resolveSupportedLocale("system", ["fr-CA"])).toBe("fr");
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expect(resolveSupportedLocale("system", ["ru-RU"])).toBe("ru");
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});
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it("maps Chinese system locales to Simplified Chinese", () => {
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expect(resolveSupportedLocale("system", ["zh"])).toBe("zh-CN");
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expect(resolveSupportedLocale("system", ["zh-CN"])).toBe("zh-CN");
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expect(resolveSupportedLocale("system", ["zh-Hans-US"])).toBe("zh-CN");
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});
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it("does not map Traditional Chinese system locales to Simplified Chinese", () => {
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expect(resolveSupportedLocale("system", ["zh-TW"])).toBe("en");
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expect(resolveSupportedLocale("system", ["zh-Hant"])).toBe("en");
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expect(resolveSupportedLocale("system", ["zh-HK"])).toBe("en");
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});
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it("maps unsupported or missing system locales to English", () => {
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expect(resolveSupportedLocale("system", ["de-DE"])).toBe("en");
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expect(resolveSupportedLocale("system", [])).toBe("en");
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});
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});
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