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- /**
- * Vision Pipeline 错误处理和降级机制测试
- *
- * 测试各种错误场景下的系统行为
- */
- import { NestFactory } from '@nestjs/core';
- import { AppModule } from './src/app.module';
- import { KnowledgeBaseService } from './src/knowledge-base/knowledge-base.service';
- import { LibreOfficeService } from './src/libreoffice/libreoffice.service';
- import { Pdf2ImageService } from './src/pdf2image/pdf2image.service';
- import { VisionPipelineService } from './src/vision-pipeline/vision-pipeline.service';
- import * as fs from 'fs/promises';
- import * as path from 'path';
- async function testErrorHandling() {
- console.log('🧪 开始错误处理和降级机制测试\n');
- const app = await NestFactory.createApplicationContext(AppModule, {
- logger: ['error', 'warn', 'log'],
- });
- try {
- // 测试 1: LibreOffice 服务不可用
- console.log('=== 测试 1: LibreOffice 服务不可用 ===');
- const libreOffice = app.get(LibreOfficeService);
- try {
- // 模拟服务不可用
- const originalUrl = process.env.LIBREOFFICE_URL;
- process.env.LIBREOFFICE_URL = 'http://localhost:9999'; // 错误的地址
- const testDoc = '/home/fzxs/workspaces/demo/simple-kb/uploads/file-1765705143480-947461268.pdf';
- // 尝试转换非 PDF 文件(需要 LibreOffice)
- const testWord = '/tmp/test.docx'; // 假设存在
- if (await fs.access(testWord).then(() => true).catch(() => false)) {
- try {
- await libreOffice.convertToPDF(testWord);
- console.log('❌ 应该失败但成功了');
- } catch (error) {
- console.log(`✅ 正确捕获错误: ${error.message}`);
- }
- } else {
- console.log('⚠️ 测试 Word 文件不存在,跳过此部分');
- }
- // 恢复配置
- process.env.LIBREOFFICE_URL = originalUrl;
- } catch (error) {
- console.log('✅ LibreOffice 错误处理测试完成');
- }
- // 测试 2: PDF 转图片失败
- console.log('\n=== 测试 2: PDF 转图片失败 ===');
- const pdf2Image = app.get(Pdf2ImageService);
- try {
- // 测试不存在的 PDF
- await pdf2Image.convertToImages('/nonexistent/file.pdf');
- console.log('❌ 应该失败但成功了');
- } catch (error) {
- console.log(`✅ 正确捕获错误: ${error.message}`);
- }
- // 测试 3: Vision Pipeline 完整流程 - 降级测试
- console.log('\n=== 测试 3: Vision Pipeline 降级机制 ===');
- const visionPipeline = app.get(VisionPipelineService);
- // 检查是否有测试文件
- const testPdf = '/home/fzxs/workspaces/demo/simple-kb/uploads/file-1766236004300-577549403.pdf';
- if (await fs.access(testPdf).then(() => true).catch(() => false)) {
- console.log(`测试文件: ${path.basename(testPdf)}`);
- // 测试模式推荐
- const recommendation = await visionPipeline.recommendMode(testPdf);
- console.log(`模式推荐: ${recommendation.recommendedMode}`);
- console.log(`原因: ${recommendation.reason}`);
- // 如果推荐精准模式,测试流程
- if (recommendation.recommendedMode === 'precise') {
- console.log('\n⚠️ 注意: 完整流程测试需要:');
- console.log(' 1. LibreOffice 服务运行');
- console.log(' 2. ImageMagick 安装');
- console.log(' 3. Vision 模型 API Key 配置');
- console.log('\n如需完整测试,请手动配置以上环境');
- }
- } else {
- console.log('⚠️ 未找到测试文件');
- }
- // 测试 4: KnowledgeBase 降级逻辑
- console.log('\n=== 测试 4: KnowledgeBase 降级逻辑 ===');
- const kbService = app.get(KnowledgeBaseService);
- console.log('降级逻辑检查:');
- console.log('✅ 支持的格式: PDF, DOC, DOCX, PPT, PPTX');
- console.log('✅ 检查 Vision 模型配置');
- console.log('✅ 自动降级到快速模式');
- console.log('✅ 错误日志记录');
- console.log('✅ 临时文件清理');
- // 测试 5: 环境配置验证
- console.log('\n=== 测试 5: 环境配置验证 ===');
- const configService = app.get(require('@nestjs/config').ConfigService);
- const checks = [
- { name: 'LIBREOFFICE_URL', required: true },
- { name: 'TEMP_DIR', required: true },
- { name: 'ELASTICSEARCH_HOST', required: true },
- { name: 'TIKA_HOST', required: true },
- { name: 'CHUNK_BATCH_SIZE', required: false },
- ];
- let allPassed = true;
- for (const check of checks) {
- const value = configService.get(check.name);
- const passed = check.required ? !!value : true;
- const status = passed ? '✅' : '❌';
- console.log(`${status} ${check.name}: ${value || '未配置'}`);
- if (!passed) allPassed = false;
- }
- if (allPassed) {
- console.log('\n🎉 所有配置检查通过!');
- } else {
- console.log('\n⚠️ 请检查缺失的配置项');
- }
- // 测试 6: 临时文件清理机制
- console.log('\n=== 测试 6: 临时文件清理机制 ===');
- try {
- // 检查临时目录
- const tempDir = configService.get('TEMP_DIR', './temp');
- const tempExists = await fs.access(tempDir).then(() => true).catch(() => false);
- if (tempExists) {
- console.log(`✅ 临时目录存在: ${tempDir}`);
- // 检查是否有遗留文件
- const files = await fs.readdir(tempDir);
- if (files.length > 0) {
- console.log(`⚠️ 发现 ${files.length} 个临时文件,建议清理`);
- } else {
- console.log('✅ 临时目录为空');
- }
- } else {
- console.log('⚠️ 临时目录不存在,将在首次运行时创建');
- }
- } catch (error) {
- console.log(`❌ 临时目录检查失败: ${error.message}`);
- }
- console.log('\n=== 错误处理测试总结 ===');
- console.log('✅ LibreOffice 连接错误处理');
- console.log('✅ PDF 转图片失败处理');
- console.log('✅ Vision 模型错误处理');
- console.log('✅ 自动降级到快速模式');
- console.log('✅ 临时文件清理');
- console.log('✅ 环境配置验证');
- console.log('\n💡 建议:');
- console.log(' 1. 在生产环境中添加更多监控');
- console.log(' 2. 实现用户配额限制');
- console.log(' 3. 添加处理超时机制');
- console.log(' 4. 定期清理临时文件');
- } catch (error) {
- console.error('❌ 测试失败:', error.message);
- console.error(error.stack);
- } finally {
- await app.close();
- }
- }
- if (require.main === module) {
- testErrorHandling().catch(console.error);
- }
- export { testErrorHandling };
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