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weirsoe-party-protocol/frontend/angular/src/app/lobby-i18n.spec.ts
Asger Geel Weirsoee 258025ac4e
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feat(#239): add angular i18n shell namespace bridge
2026-03-02 00:13:12 +00:00

138 lines
3.9 KiB
TypeScript

import { afterEach, describe, expect, it, vi } from 'vitest';
type StorageLike = {
getItem: (key: string) => string | null;
setItem: (key: string, value: string) => void;
};
function storageMock(initial: Record<string, string> = {}): StorageLike {
const data = new Map<string, string>(Object.entries(initial));
return {
getItem: vi.fn((key: string) => data.get(key) ?? null),
setItem: vi.fn((key: string, value: string) => {
data.set(key, value);
}),
};
}
describe('lobby i18n locale propagation', () => {
afterEach(() => {
vi.restoreAllMocks();
vi.unstubAllGlobals();
vi.resetModules();
});
it('notifies subscribers immediately and on locale changes', async () => {
const localStorage = storageMock({ 'wpp.locale': 'en' });
vi.stubGlobal('window', {
location: { search: '' },
localStorage,
});
vi.stubGlobal('navigator', { language: 'en-US' });
const i18n = await import('./lobby-i18n');
const updates: string[] = [];
const unsubscribe = i18n.subscribeToLocaleChanges((locale) => updates.push(locale));
expect(updates).toEqual(['en']);
i18n.setPreferredLocale('da');
expect(updates).toEqual(['en', 'da']);
unsubscribe();
i18n.setPreferredLocale('en');
expect(updates).toEqual(['en', 'da']);
});
it('prefers backend-provided shell locale over browser defaults', async () => {
vi.stubGlobal('window', {
location: { search: '' },
localStorage: storageMock(),
});
vi.stubGlobal('document', {
body: { dataset: { wppLocale: 'da' } },
querySelector: vi.fn(() => null),
});
vi.stubGlobal('navigator', { language: 'en-US' });
const i18n = await import('./lobby-i18n');
expect(i18n.resolvePreferredLocale()).toBe('da');
});
it('falls back to default en translation when da key is intentionally missing', async () => {
vi.stubGlobal('window', {
location: { search: '' },
localStorage: storageMock({ 'wpp.locale': 'da' }),
});
vi.stubGlobal('navigator', { language: 'da-DK' });
const i18n = await import('./lobby-i18n');
const catalogModule = await import('../../../../shared/i18n/lobby.json');
const catalog = catalogModule.default as {
frontend: {
ui: {
common: {
refresh: {
en?: string;
da?: string;
};
};
};
};
};
const originalDa = catalog.frontend.ui.common.refresh.da;
catalog.frontend.ui.common.refresh.da = undefined;
try {
expect(i18n.t('common.refresh', 'da')).toBe(catalog.frontend.ui.common.refresh.en);
} finally {
catalog.frontend.ui.common.refresh.da = originalDa;
}
});
it('resolves baseline shell/game keys from shared namespaces', async () => {
vi.stubGlobal('window', {
location: { search: '' },
localStorage: storageMock({ 'wpp.locale': 'da' }),
});
vi.stubGlobal('navigator', { language: 'da-DK' });
const i18n = await import('./lobby-i18n');
const baselineKeys = [
'lobby.shell.title',
'lobby.shell.host_nav',
'lobby.shell.player_nav',
'lobby.shell.language_label',
'common.refresh',
'common.session_code',
'game.host.title',
'game.host.start_round',
'game.player.title',
'game.player.submit_guess',
] as const;
for (const key of baselineKeys) {
const value = i18n.t(key, 'da');
expect(value).toBeTypeOf('string');
expect(value.length).toBeGreaterThan(0);
expect(value).not.toBe(key);
}
});
it('exposes primary-only audio routing policy to clients', async () => {
vi.stubGlobal('window', {
location: { search: '' },
localStorage: storageMock({ 'wpp.locale': 'en' }),
});
vi.stubGlobal('navigator', { language: 'en-US' });
const i18n = await import('./lobby-i18n');
expect(i18n.clientHasNoAudioOutput).toBe(true);
});
});