Nikolay Tatarinov
67ba9826c7
- Updated the language configuration to use a single source of truth from `DEFAULT_LANGUAGE` for the bot, API, and Mini App, eliminating auto-detection from user settings. - Refactored the `get_lang` function to always return `DEFAULT_LANGUAGE`, ensuring consistent language usage throughout the application. - Modified the handling of language in various components, including API responses and UI elements, to reflect the new language management approach. - Enhanced documentation and comments to clarify the changes in language handling. - Added unit tests to verify the new language handling behavior and ensure coverage for the updated functionality.
114 lines
3.3 KiB
JavaScript
114 lines
3.3 KiB
JavaScript
/**
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* Unit tests for i18n: getLang (window.__DT_LANG), normalizeLang, t (fallback, params), monthName.
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*/
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import { describe, it, expect, beforeEach, afterEach } from "vitest";
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import { getLang, normalizeLang, t, monthName, MESSAGES } from "./i18n.js";
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describe("getLang", () => {
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const orig__DT_LANG = globalThis.window?.__DT_LANG;
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afterEach(() => {
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if (typeof globalThis.window !== "undefined") {
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if (orig__DT_LANG !== undefined) {
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globalThis.window.__DT_LANG = orig__DT_LANG;
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} else {
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delete globalThis.window.__DT_LANG;
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}
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}
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});
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it("returns ru when window.__DT_LANG is ru", () => {
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globalThis.window.__DT_LANG = "ru";
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expect(getLang()).toBe("ru");
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});
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it("returns en when window.__DT_LANG is en", () => {
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globalThis.window.__DT_LANG = "en";
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expect(getLang()).toBe("en");
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});
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it("returns en when window.__DT_LANG is missing", () => {
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delete globalThis.window.__DT_LANG;
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expect(getLang()).toBe("en");
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});
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it("returns en when window.__DT_LANG is invalid (unknown code)", () => {
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globalThis.window.__DT_LANG = "uk";
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expect(getLang()).toBe("en");
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});
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it("returns ru when window.__DT_LANG is ru-RU (normalized)", () => {
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globalThis.window.__DT_LANG = "ru-RU";
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expect(getLang()).toBe("ru");
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});
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it("returns en when window.__DT_LANG is empty string", () => {
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globalThis.window.__DT_LANG = "";
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expect(getLang()).toBe("en");
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});
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it("returns en when window.__DT_LANG is null", () => {
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globalThis.window.__DT_LANG = null;
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expect(getLang()).toBe("en");
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});
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});
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describe("normalizeLang", () => {
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it("returns ru for ru-like codes", () => {
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expect(normalizeLang("ru")).toBe("ru");
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expect(normalizeLang("ru-RU")).toBe("ru");
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});
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it("returns en for en and others", () => {
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expect(normalizeLang("en")).toBe("en");
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expect(normalizeLang("en-US")).toBe("en");
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expect(normalizeLang("uk")).toBe("en");
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});
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it("returns en for empty or invalid", () => {
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expect(normalizeLang("")).toBe("en");
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expect(normalizeLang(null)).toBe("en");
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});
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});
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describe("t", () => {
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it("returns translation for existing key", () => {
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expect(t("en", "app.title")).toBe("Duty Calendar");
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expect(t("ru", "app.title")).toBe("Календарь дежурств");
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});
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it("falls back to en when key missing in lang", () => {
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expect(t("ru", "app.title")).toBe("Календарь дежурств");
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expect(t("en", "loading")).toBe("Loading…");
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});
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it("returns key when key missing in both", () => {
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expect(t("en", "missing.key")).toBe("missing.key");
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expect(t("ru", "unknown")).toBe("unknown");
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});
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it("replaces params placeholder", () => {
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expect(t("en", "duty.until", { time: "14:00" })).toBe("until 14:00");
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expect(t("ru", "duty.until", { time: "09:30" })).toBe("до 09:30");
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});
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it("handles empty params", () => {
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expect(t("en", "loading", {})).toBe("Loading…");
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});
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});
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describe("monthName", () => {
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it("returns month name for 0-based index", () => {
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expect(monthName("en", 0)).toBe("January");
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expect(monthName("en", 11)).toBe("December");
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expect(monthName("ru", 0)).toBe("Январь");
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});
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it("returns empty string for out-of-range", () => {
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expect(monthName("en", 12)).toBe("");
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expect(monthName("en", -1)).toBe("");
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});
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});
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