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| 1 | +import { describe, expect, it } from 'vitest'; |
| 2 | +import { |
| 3 | + detectLocaleLang, |
| 4 | + LANGS, |
| 5 | + type Lang, |
| 6 | + type Messages, |
| 7 | + messages, |
| 8 | + normalizeLang, |
| 9 | + resolveLang, |
| 10 | +} from '@/core/i18n'; |
| 11 | + |
| 12 | +describe('detectLocaleLang', () => { |
| 13 | + it.each([ |
| 14 | + ['ja_JP.UTF-8', 'ja'], |
| 15 | + ['ja', 'ja'], |
| 16 | + ['JA_JP', 'ja'], |
| 17 | + ['en_US.UTF-8', 'en'], |
| 18 | + ['fr_FR', 'en'], |
| 19 | + [undefined, 'en'], |
| 20 | + ['', 'en'], |
| 21 | + ] as const)('%s → %s', (locale, expected) => { |
| 22 | + expect(detectLocaleLang(locale)).toBe(expected); |
| 23 | + }); |
| 24 | +}); |
| 25 | + |
| 26 | +describe('normalizeLang', () => { |
| 27 | + it.each([ |
| 28 | + ['ja', 'ja'], |
| 29 | + ['ja_JP', 'ja'], |
| 30 | + ['en', 'en'], |
| 31 | + ['en_US', 'en'], |
| 32 | + ['EN', 'en'], |
| 33 | + ['fr', undefined], |
| 34 | + ['', undefined], |
| 35 | + [undefined, undefined], |
| 36 | + ] as const)('%s → %s', (value, expected) => { |
| 37 | + expect(normalizeLang(value)).toBe(expected); |
| 38 | + }); |
| 39 | +}); |
| 40 | + |
| 41 | +describe('resolveLang', () => { |
| 42 | + it('prefers CODIVA_LANG over config and locale', () => { |
| 43 | + expect(resolveLang({ env: 'en', config: 'ja', locale: 'ja_JP' })).toBe('en'); |
| 44 | + }); |
| 45 | + it('falls back to config when env is unset/invalid', () => { |
| 46 | + expect(resolveLang({ env: undefined, config: 'ja', locale: 'en_US' })).toBe('ja'); |
| 47 | + expect(resolveLang({ env: 'xx', config: 'en', locale: 'ja_JP' })).toBe('en'); |
| 48 | + }); |
| 49 | + it('uses the OS locale when config is "auto"', () => { |
| 50 | + expect(resolveLang({ config: 'auto', locale: 'ja_JP' })).toBe('ja'); |
| 51 | + expect(resolveLang({ config: 'auto', locale: 'en_US' })).toBe('en'); |
| 52 | + }); |
| 53 | + it('uses the OS locale when nothing is set', () => { |
| 54 | + expect(resolveLang({ locale: 'ja_JP' })).toBe('ja'); |
| 55 | + expect(resolveLang({})).toBe('en'); |
| 56 | + }); |
| 57 | +}); |
| 58 | + |
| 59 | +describe('message catalogs', () => { |
| 60 | + it('exposes ja and en', () => { |
| 61 | + expect(LANGS).toEqual(['ja', 'en']); |
| 62 | + expect(messages.ja).toBeDefined(); |
| 63 | + expect(messages.en).toBeDefined(); |
| 64 | + }); |
| 65 | + |
| 66 | + // Collect every leaf key path so we can assert no translation is missing in |
| 67 | + // either language — the whole point of enforcing a shared Messages shape. |
| 68 | + const keyPaths = (obj: Record<string, unknown>, prefix = ''): string[] => |
| 69 | + Object.entries(obj) |
| 70 | + .flatMap(([k, v]) => |
| 71 | + typeof v === 'object' && v !== null |
| 72 | + ? keyPaths(v as Record<string, unknown>, `${prefix}${k}.`) |
| 73 | + : [`${prefix}${k}`], |
| 74 | + ) |
| 75 | + .sort(); |
| 76 | + |
| 77 | + it('ja and en have identical key sets', () => { |
| 78 | + const jaKeys = keyPaths(messages.ja as unknown as Record<string, unknown>); |
| 79 | + const enKeys = keyPaths(messages.en as unknown as Record<string, unknown>); |
| 80 | + expect(jaKeys).toEqual(enKeys); |
| 81 | + }); |
| 82 | + |
| 83 | + it.each(LANGS)('%s renders dynamic strings without leftover placeholders', (lang: Lang) => { |
| 84 | + const m: Messages = messages[lang]; |
| 85 | + expect(m.list.sessionCount(1)).toContain('1'); |
| 86 | + expect(m.badge.step(2, 5)).toBe('Step 2/5'); |
| 87 | + expect(m.detail.progress(1, 3, 'writing')).toContain('writing'); |
| 88 | + expect(m.detail.progress(1, 3, undefined)).not.toContain('—'); |
| 89 | + expect(m.permission.toolTitle('Bash')).toContain('Bash'); |
| 90 | + expect(m.permission.questionHelp(true)).toContain('Space'); |
| 91 | + expect(m.permission.questionHelp(false)).not.toContain('Space'); |
| 92 | + expect(m.app.remainingWorktrees(2)).toContain('2'); |
| 93 | + }); |
| 94 | +}); |
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