Charon/docs/reports/qa_i18n_report.md

QA Report: i18n Implementation

Date: December 19, 2025 Agent: QA_Security Status: ⚠️ PARTIAL PASS

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Executive Summary

The i18n (internationalization) implementation has been evaluated for quality assurance. The core implementation is functional with all 5 translation files validated as proper JSON. However, there are test failures that need attention before the feature is considered production-ready.

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1. Translation Files Validation ✅ PASS

All 5 locale files are valid JSON with complete translation coverage:

Locale	File Path	Status
English (en)	frontend/src/locales/en/translation.json	✅ Valid JSON
Spanish (es)	frontend/src/locales/es/translation.json	✅ Valid JSON
French (fr)	frontend/src/locales/fr/translation.json	✅ Valid JSON
German (de)	frontend/src/locales/de/translation.json	✅ Valid JSON
Chinese (zh)	frontend/src/locales/zh/translation.json	✅ Valid JSON

Key Translation Namespaces:

• common - Shared UI elements
• navigation - Sidebar and menu items
• dashboard - Dashboard components
• proxyHosts - Proxy host management
• certificates - SSL certificate management
• security - Security features (Cerberus, CrowdSec, WAF)
• accessLists - ACL management
• rateLimiting - Rate limiting configuration
• wafConfig - WAF configuration
• crowdsecConfig - CrowdSec configuration
• systemSettings - System settings
• account - Account management
• auth - Authentication
• users - User management
• backups - Backup management
• logs - Log viewing
• smtp - SMTP configuration
• securityHeaders - Security headers

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2. TypeScript Type Check ✅ PASS

✅ Zero TypeScript errors
Command: cd frontend && npm run type-check
Result: PASS

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3. Pre-commit Hooks ✅ PASS

All pre-commit hooks pass after auto-fixes:

Hook	Status
fix end of files	✅ Passed
trim trailing whitespace	✅ Passed
check yaml	✅ Passed
check for added large files	✅ Passed
dockerfile validation	✅ Passed
Go Vet	✅ Passed
Check .version matches latest Git tag	✅ Passed
Prevent large files not tracked by LFS	✅ Passed
Prevent committing CodeQL DB artifacts	✅ Passed
Prevent committing data/backups files	✅ Passed
Frontend TypeScript Check	✅ Passed
Frontend Lint (Fix)	✅ Passed

Note: Auto-fixes were applied to:

• docs/plans/current_spec.md (trailing whitespace, end of file)
• frontend/src/pages/SecurityHeaders.tsx (trailing whitespace)

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4. ESLint ✅ PASS (with warnings)

✅ Zero ESLint errors
⚠️ 40 warnings (acceptable)
Command: cd frontend && npm run lint
Result: PASS

Warning Categories (40 total):

• @typescript-eslint/no-explicit-any - 35 warnings (in test files)
• react-hooks/exhaustive-deps - 2 warnings
• react-refresh/only-export-components - 2 warnings
• @typescript-eslint/no-unused-vars - 1 warning

These warnings are in test files and non-critical code paths.

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5. Backend Coverage ⚠️ NEAR TARGET

Total Coverage: 84.6%
Target: 85%
Status: ⚠️ Slightly below target (0.4% gap)

Package Breakdown:

Package	Coverage
middleware	99.0%
cerberus	100.0%
metrics	100.0%
util	100.0%
version	100.0%
caddy	98.9%
models	98.1%
config	91.7%
database	91.3%
server	90.9%
logger	85.7%
services	84.9%
crowdsec	83.3%
handlers	82.3%
routes	82.8%

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6. Frontend Tests ❌ FAIL

Tests: 272 failed | 857 passed | 2 skipped (1131 total)
Test Files: 34 failed | 72 passed (106 total)
Status: ❌ FAIL

Root Cause Analysis

The test failures are primarily due to i18n string matching issues. The tests were written to match hardcoded English strings, but now that i18n is implemented, the tests need to be updated to either:

1. Mock the i18n library to return English translations
2. Update tests to use translation keys
3. Configure the test environment with the English locale

Affected Test Files

• WafConfig.spec.tsx - 19 failures
• Multiple other test files with similar i18n-related failures

Example Failure

// Test expects:
expect(screen.getByText('Choose a preset...')).toBeInTheDocument()

// But receives translation key: 'wafConfig.choosePreset'

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7. Security Scan (Trivy)

Status: Not executed due to time constraints (test failures require attention first)

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Recommendations

Critical (Must Fix Before Merge)

1. Update Test Setup for i18n

   • Add i18n mock to frontend/src/test/setup.ts
   • Configure test environment to use English translations
   • Example fix:

   import i18n from '../i18n'
   
   vi.mock('react-i18next', () => ({
     useTranslation: () => ({
       t: (key: string) => key,
       i18n: { language: 'en' }
     })
   }))
   

2. Fix WafConfig Tests

   • Update string assertions to match i18n implementation
   • Either use translation keys or mocked translations

Recommended (Post-Merge)

1. Improve Backend Coverage to 85%+

   • Current: 84.6%
   • Add tests for edge cases in handlers and crowdsec packages

2. Address ESLint Warnings

   • Replace any types with proper TypeScript types in test files
   • Fix react-hooks/exhaustive-deps warnings

3. Run Trivy Security Scan

   • Execute after test fixes to ensure no security regressions

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Conclusion

The i18n implementation is structurally complete with all translation files properly formatted and containing comprehensive translations for all 5 supported languages. The core functionality is working, but frontend test suite updates are required to accommodate the new i18n integration before this can be considered production-ready.

Overall Status: ⚠️ BLOCKED - Pending test fixes

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Checklist

• Translation files validation (5/5 valid JSON)
• TypeScript type checking (0 errors)
• Pre-commit hooks (all passing)
• ESLint (0 errors, 40 warnings acceptable)
• Backend coverage (84.6% - near 85% target)
• Frontend tests (272 failures - requires i18n test setup)
• Security scan (not executed)