improve code quality and user experience
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Tw93
232
tests/unit/helpers.test.js
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232
tests/unit/helpers.test.js
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#!/usr/bin/env node
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/**
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* Unit Tests for Helper Functions
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*
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* Tests for newly added helper functions to ensure code quality
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* and prevent regressions.
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*/
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import { strict as assert } from 'assert';
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/**
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* Helper function to generate safe filename
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* Mirrors the implementation in bin/utils/name.ts
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*/
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function generateSafeFilename(name) {
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return name
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.replace(/[<>:"/\\|?*]/g, '_')
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.replace(/\s+/g, '_')
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.replace(/\.+$/g, '')
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.slice(0, 255);
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}
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/**
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* Helper function to generate safe lowercase app name for file paths
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* Mirrors the implementation in bin/helpers/merge.ts
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*/
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function getSafeAppName(name) {
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return generateSafeFilename(name).toLowerCase();
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}
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/**
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* Test suite for getSafeAppName()
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*/
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export function testGetSafeAppName() {
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const tests = [
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// Basic cases
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{ input: 'MyApp', expected: 'myapp', description: 'Simple name' },
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{ input: 'My App', expected: 'my_app', description: 'Name with space' },
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{ input: 'my-app', expected: 'my-app', description: 'Name with hyphen' },
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// Chinese characters
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{ input: '我的应用', expected: '我的应用', description: 'Chinese name' },
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{ input: '我的 App', expected: '我的_app', description: 'Mixed Chinese and English' },
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// Special characters
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{ input: 'App@2024', expected: 'app@2024', description: 'Special character @ (preserved)' },
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{ input: 'My/App', expected: 'my_app', description: 'Forward slash' },
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{ input: 'My\\App', expected: 'my_app', description: 'Backslash' },
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{ input: 'App:Name', expected: 'app_name', description: 'Colon' },
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{ input: 'App*Name', expected: 'app_name', description: 'Asterisk' },
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{ input: 'App?Name', expected: 'app_name', description: 'Question mark' },
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{ input: 'App"Name', expected: 'app_name', description: 'Double quote' },
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{ input: 'App<Name>', expected: 'app_name_', description: 'Angle brackets' },
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{ input: 'App|Name', expected: 'app_name', description: 'Pipe' },
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// Edge cases
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{ input: 'APP', expected: 'app', description: 'All uppercase' },
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{ input: 'a', expected: 'a', description: 'Single character' },
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{ input: '123', expected: '123', description: 'Numbers only' },
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{ input: ' App ', expected: '_app_', description: 'Leading/trailing spaces (collapsed)' },
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{ input: 'App...', expected: 'app', description: 'Trailing dots' },
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// Long names
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{
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input: 'A'.repeat(300),
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expected: 'a'.repeat(255),
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description: 'Very long name (should truncate to 255)',
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},
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];
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let passed = 0;
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let failed = 0;
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console.log('\n🧪 Testing getSafeAppName()');
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console.log('─'.repeat(50));
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tests.forEach((test, index) => {
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try {
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const result = getSafeAppName(test.input);
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assert.equal(result, test.expected, `Expected "${test.expected}", got "${result}"`);
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console.log(` ✓ Test ${index + 1}: ${test.description}`);
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passed++;
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} catch (error) {
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console.log(` ✗ Test ${index + 1}: ${test.description}`);
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console.log(` Input: "${test.input}"`);
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console.log(` Expected: "${test.expected}"`);
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console.log(` Error: ${error.message}`);
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failed++;
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}
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});
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console.log('─'.repeat(50));
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console.log(`Results: ${passed} passed, ${failed} failed\n`);
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return failed === 0;
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}
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/**
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* Test suite for download error notification (browser environment simulation)
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*/
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export function testDownloadErrorNotification() {
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console.log('\n🧪 Testing showDownloadError() Logic');
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console.log('─'.repeat(50));
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const tests = [
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{
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name: 'Chinese language detection',
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language: 'zh-CN',
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filename: 'test.pdf',
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expectedTitle: '下载错误',
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expectedBody: '下载失败: test.pdf',
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},
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{
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name: 'English language detection',
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language: 'en-US',
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filename: 'document.docx',
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expectedTitle: 'Download Error',
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expectedBody: 'Download failed: document.docx',
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},
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{
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name: 'Traditional Chinese',
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language: 'zh-TW',
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filename: 'file.zip',
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expectedTitle: '下载错误',
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expectedBody: '下载失败: file.zip',
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},
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{
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name: 'Hong Kong Chinese',
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language: 'zh-HK',
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filename: 'image.png',
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expectedTitle: '下载错误',
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expectedBody: '下载失败: image.png',
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},
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{
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name: 'Special characters in filename',
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language: 'en-US',
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filename: 'my file (1).pdf',
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expectedTitle: 'Download Error',
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expectedBody: 'Download failed: my file (1).pdf',
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},
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];
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let passed = 0;
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let failed = 0;
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tests.forEach((test, index) => {
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try {
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// Simulate language detection
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const isChineseLanguage = (lang) =>
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lang &&
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(lang.startsWith('zh') ||
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lang.includes('CN') ||
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lang.includes('TW') ||
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lang.includes('HK'));
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const isChinese = isChineseLanguage(test.language);
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const title = isChinese ? '下载错误' : 'Download Error';
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const body = isChinese
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? `下载失败: ${test.filename}`
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: `Download failed: ${test.filename}`;
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assert.equal(title, test.expectedTitle, `Title mismatch for ${test.name}`);
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assert.equal(body, test.expectedBody, `Body mismatch for ${test.name}`);
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console.log(` ✓ Test ${index + 1}: ${test.name}`);
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console.log(` Language: ${test.language}`);
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console.log(` Title: "${title}"`);
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console.log(` Body: "${body}"`);
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passed++;
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} catch (error) {
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console.log(` ✗ Test ${index + 1}: ${test.name}`);
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console.log(` Error: ${error.message}`);
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failed++;
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}
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});
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console.log('─'.repeat(50));
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console.log(`Results: ${passed} passed, ${failed} failed\n`);
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return failed === 0;
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}
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/**
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* Run all tests
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*/
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export async function runHelperTests() {
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console.log('\n📦 Helper Functions Unit Tests');
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console.log('='.repeat(50));
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const results = [];
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// Test getSafeAppName
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results.push({
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name: 'getSafeAppName()',
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passed: testGetSafeAppName(),
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});
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// Test download error notification
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results.push({
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name: 'showDownloadError() Logic',
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passed: testDownloadErrorNotification(),
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});
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// Summary
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const allPassed = results.every((r) => r.passed);
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const passedCount = results.filter((r) => r.passed).length;
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const totalCount = results.length;
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console.log('\n📊 Helper Tests Summary');
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console.log('='.repeat(50));
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results.forEach((result) => {
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const icon = result.passed ? '✅' : '❌';
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console.log(`${icon} ${result.name}`);
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});
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console.log('='.repeat(50));
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console.log(`Total: ${passedCount}/${totalCount} test suites passed\n`);
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return allPassed;
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}
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// Run tests if executed directly
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if (import.meta.url === `file://${process.argv[1]}`) {
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runHelperTests()
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.then((success) => {
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process.exit(success ? 0 : 1);
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})
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.catch((error) => {
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console.error('Test execution failed:', error);
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process.exit(1);
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});
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}
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