LibreChat/client/src/locales/Translation.spec.ts
Ruben Talstra 7f48030452
🔄 chore: Enforce 18next Language Keys (#5803)
* chore: enforcing language keys to adhere to the new standard.

* chore: enforcing i18n forbids to write plain text in JSX markup

* chore: enforcing i18n forbids to write plain text in JSX markup

* fix: ci with checkbox for unused keys :)

* refactor: removed all the unused `i18n` keys
2025-02-12 15:48:13 -05:00

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1.7 KiB
TypeScript

// Translation.spec.ts
import i18n from './i18n';
import English from './en/translation.json';
import French from './fr/translation.json';
import Spanish from './es/translation.json';
describe('i18next translation tests', () => {
// Ensure i18next is initialized before any tests run
beforeAll(async () => {
if (!i18n.isInitialized) {
await i18n.init();
}
});
it('should return the correct translation for a valid key in English', () => {
i18n.changeLanguage('en');
expect(i18n.t('com_ui_examples')).toBe(English.com_ui_examples);
});
it('should return the correct translation for a valid key in French', () => {
i18n.changeLanguage('fr');
expect(i18n.t('com_ui_examples')).toBe(French.com_ui_examples);
});
it('should return the correct translation for a valid key in Spanish', () => {
i18n.changeLanguage('es');
expect(i18n.t('com_ui_examples')).toBe(Spanish.com_ui_examples);
});
it('should fallback to English for an invalid language code', () => {
// When an invalid language is provided, i18next should fallback to English
i18n.changeLanguage('invalid-code');
expect(i18n.t('com_ui_examples')).toBe(English.com_ui_examples);
});
it('should return an empty string for an invalid key', () => {
i18n.changeLanguage('en');
// @ts-ignore
expect(i18n.t('invalid-key')).toBe('');
});
it('should correctly format placeholders in the translation', () => {
i18n.changeLanguage('en');
expect(i18n.t('com_endpoint_default_with_num', { 0: 'John' })).toBe('default: John');
i18n.changeLanguage('fr');
expect(i18n.t('com_endpoint_default_with_num', { 0: 'Marie' })).toBe('par défaut : Marie');
});
});