João Salavisa
71 lines
2.2 KiB
TypeScript
71 lines
2.2 KiB
TypeScript
import type { Window as HappyDOMWindow } from "happy-dom";
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import { initI18nForTests, loadAllLocalesForTests } from "./lib/i18n";
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/**
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* i18n test bootstrap.
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*
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* Unit tests never render `src/app-shell.tsx`, so nothing initializes i18next
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* for them. react-i18next's `useTranslation` falls back to the default instance
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* when there is no provider in the tree, so initializing here is enough — no
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* render wrapper is needed, and every test's render tree stays byte-identical
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* (including the suites that render via `react-dom/server`).
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*
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* The real `en` catalog is loaded, so assertions on English copy pass exactly as
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* they did before the migration.
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*
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* Only `en` is bundled in the browser; the rest are lazy chunks. Suites drive
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* the shared instance with a bare `i18n.changeLanguage("pseudo")` and assert on
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* the next line, so the non-English catalogs are awaited here — top-level await
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* in a setup file runs before any suite. That keeps unit tests in the
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* "everything in memory" world they were written for without putting the other
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* locales back into the bundle.
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*/
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initI18nForTests();
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await loadAllLocalesForTests();
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function createLocalStorageMock(): Storage {
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const store = new Map<string, string>();
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return {
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get length() {
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return store.size;
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},
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clear() {
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store.clear();
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},
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getItem(key: string) {
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return store.has(key) ? (store.get(key) ?? null) : null;
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},
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key(index: number) {
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return Array.from(store.keys())[index] ?? null;
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},
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removeItem(key: string) {
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store.delete(key);
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},
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setItem(key: string, value: string) {
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store.set(key, value);
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},
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};
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}
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const localStorageMock = createLocalStorageMock();
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Object.defineProperty(globalThis, "localStorage", {
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configurable: true,
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value: localStorageMock,
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});
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if (typeof window !== "undefined") {
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const happyDOMWindow = window as unknown as HappyDOMWindow;
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happyDOMWindow.happyDOM.settings.fetch.interceptor = {
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beforeAsyncRequest: ({ window: requestWindow }) =>
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Promise.resolve(new requestWindow.Response(null, { status: 404 })),
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};
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Object.defineProperty(window, "localStorage", {
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configurable: true,
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value: localStorageMock,
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});
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}
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