22 lines
857 B
TypeScript
22 lines
857 B
TypeScript
import { describe, expect, it } from 'vitest';
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import { resolveSupportedLanguage, SUPPORTED_LANGUAGE_CODES } from '../../shared/language';
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describe('resolveSupportedLanguage', () => {
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it('exposes Chinese as the only supported UI language', () => {
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expect(SUPPORTED_LANGUAGE_CODES).toEqual(['zh']);
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expect(resolveSupportedLanguage('zh-CN')).toBe('zh');
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});
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it('falls back to Chinese for every non-Chinese locale', () => {
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expect(resolveSupportedLanguage('en-US')).toBe('zh');
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expect(resolveSupportedLanguage('ja_JP')).toBe('zh');
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expect(resolveSupportedLanguage('fr-FR')).toBe('zh');
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expect(resolveSupportedLanguage('ko')).toBe('zh');
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});
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it('falls back to Chinese when locale is missing', () => {
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expect(resolveSupportedLanguage('')).toBe('zh');
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expect(resolveSupportedLanguage(undefined)).toBe('zh');
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});
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});
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