feat: complete Dify client implementation (Day 19)
## Dify 瀹㈡埛绔皝瑁呭畬鎴?鉁? ### 瀹屾垚鐨勫伐浣? 1. 绫诲瀷瀹氫箟 (backend/src/clients/types.ts) - Dataset, Document, Retrieval 鐩稿叧绫诲瀷 - 瀹屾暣鐨?TypeScript 绫诲瀷瀹氫箟 - 鑷畾涔?DifyError 閿欒绫? 2. DifyClient 鏍稿績绫?(backend/src/clients/DifyClient.ts) - 鐭ヨ瘑搴撶鐞? createDataset, getDatasets, getDataset, deleteDataset - 鏂囨。绠＄悊: uploadDocumentDirectly, getDocuments, getDocument, deleteDocument - 鐭ヨ瘑搴撴绱? retrieveKnowledge (鏀寔璇箟鎼滅储銆乼op_k銆佺浉浼煎害闃堝€? - 杈呭姪鏂规硶: waitForDocumentProcessing, uploadAndProcessDocument 3. 娴嬭瘯鑴氭湰 (backend/src/scripts/test-dify-client.ts) - 8椤瑰畬鏁存祴璇曞叏閮ㄩ€氳繃 - 娴嬭瘯鑰楁椂绾?5绉? - 楠岃瘉鎵€鏈堿PI鍔熻兘姝ｅ父 ### 娴嬭瘯缁撴灉 鉁?娴嬭瘯1: 鍒涘缓鐭ヨ瘑搴?鉁?娴嬭瘯2: 鑾峰彇鐭ヨ瘑搴撳垪琛?(鎵惧埌3涓? 鉁?娴嬭瘯3: 鑾峰彇鐭ヨ瘑搴撹鎯?鉁?娴嬭瘯4: 涓婁紶鏂囨。 (247 tokens) 鉁?娴嬭瘯5: 鑾峰彇鏂囨。鍒楄〃 鉁?娴嬭瘯6: 鐭ヨ瘑搴撴绱?(鐩镐技搴?.4420) 鉁?娴嬭瘯7: 鍒犻櫎鏂囨。 鉁?娴嬭瘯8: 鍒犻櫎鐭ヨ瘑搴? ### 鎶€鏈寒鐐? - 瀹屽杽鐨勯敊璇鐞嗘満鍒?(axios 鎷︽埅鍣? - 鏅鸿兘杞绛夊緟鏂囨。澶勭悊瀹屾垚 - FormData 鏂囦欢涓婁紶鏀寔 - 鍗曚緥妯″紡瀵煎嚭 - 鏀寔鑷畾涔夐厤缃? ### 渚濊禆鏇存柊 - form-data: ^4.0.0 - @types/form-data: ^2.5.0 ### 閰嶇疆鏇存柊 - DIFY_API_KEY 鏇存柊涓烘湇鍔PI瀵嗛挜 - DIFY_API_URL=http://localhost/v1 ### 鏂囨。鏇存柊 - 鏂板: docs/05-姣忔棩杩涘害/Day19-Dify瀹㈡埛绔皝瑁呭畬鎴?md - 鏇存柊: docs/04-寮€鍙戣鍒?寮€鍙戦噷绋嬬.md (Day 19 鏍囪涓哄畬鎴? ### 涓嬩竴姝? Day 20-22: 鐭ヨ瘑搴撶鐞嗗姛鑳?- 鏁版嵁搴撹〃璁捐 (KnowledgeBase, Document) - 鍚庣 CRUD API - 鍓嶇鐭ヨ瘑搴撶鐞嗛〉闈?- 鏂囨。涓婁紶缁勪欢 --- Progress: 閲岀▼纰?1 (MVP) 90% -> 鐭ヨ瘑搴撶鐞嗗紑鍙戜腑
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AI Clinical Dev Team
261
backend/src/scripts/test-dify-client.ts
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261
backend/src/scripts/test-dify-client.ts
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/**
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* Dify客户端测试脚本
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*
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* 用于测试Dify API的连接和基本功能
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*/
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import { DifyClient } from '../clients/DifyClient.js';
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// 创建客户端实例
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const client = new DifyClient();
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// 测试知识库ID（测试时会创建）
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let testDatasetId: string;
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let testDocumentId: string;
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/**
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* 测试1：创建知识库
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*/
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async function testCreateDataset() {
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console.log('\n========== 测试1：创建知识库 ==========');
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try {
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const result = await client.createDataset({
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name: '测试知识库 - ' + Date.now(),
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description: '这是一个测试知识库，用于验证API功能',
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indexing_technique: 'high_quality',
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});
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testDatasetId = result.id;
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console.log('✅ 创建成功');
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console.log('知识库ID:', result.id);
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console.log('知识库名称:', result.name);
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console.log('创建时间:', new Date(result.created_at * 1000).toLocaleString());
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} catch (error: any) {
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console.error('❌ 创建失败:', error.message);
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throw error;
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}
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}
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/**
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* 测试2：获取知识库列表
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*/
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async function testGetDatasets() {
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console.log('\n========== 测试2：获取知识库列表 ==========');
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try {
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const result = await client.getDatasets(1, 10);
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console.log('✅ 获取成功');
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console.log(`找到 ${result.total} 个知识库`);
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if (result.data.length > 0) {
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console.log('前3个知识库:');
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result.data.slice(0, 3).forEach((dataset, index) => {
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console.log(` ${index + 1}. ${dataset.name} (ID: ${dataset.id})`);
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console.log(` - 文档数量: ${dataset.document_count}`);
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console.log(` - 创建时间: ${new Date(dataset.created_at * 1000).toLocaleString()}`);
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});
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}
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} catch (error: any) {
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console.error('❌ 获取失败:', error.message);
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throw error;
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}
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}
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/**
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* 测试3：获取知识库详情
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*/
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async function testGetDataset() {
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console.log('\n========== 测试3：获取知识库详情 ==========');
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try {
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const result = await client.getDataset(testDatasetId);
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console.log('✅ 获取成功');
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console.log('知识库名称:', result.name);
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console.log('描述:', result.description);
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console.log('文档数量:', result.document_count);
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console.log('索引技术:', result.indexing_technique);
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} catch (error: any) {
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console.error('❌ 获取失败:', error.message);
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throw error;
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}
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}
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/**
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* 测试4：上传文件并创建文档
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*/
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async function testUploadDocument() {
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console.log('\n========== 测试4：上传文档 ==========');
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try {
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// 创建一个测试文本文件
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const testContent = `
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# 临床研究测试文档
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## 研究背景
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这是一个用于测试Dify API的示例文档。
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## 研究目标
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验证以下功能：
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1. 文件上传功能
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2. 文档索引功能
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3. 知识库检索功能
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## 研究方法
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使用自动化测试脚本验证API的各项功能。
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## 预期结果
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所有测试应该通过，并返回正确的数据。
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`.trim();
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const testBuffer = Buffer.from(testContent, 'utf-8');
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const filename = 'test-document.txt';
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console.log('正在上传文档...');
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const document = await client.uploadAndProcessDocument(
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testDatasetId,
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testBuffer,
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filename
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);
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testDocumentId = document.id;
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console.log('✅ 上传成功');
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console.log('文档ID:', document.id);
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console.log('文档名称:', document.name);
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console.log('处理状态:', document.indexing_status);
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console.log('字符数:', document.word_count);
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console.log('Token数:', document.tokens);
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} catch (error: any) {
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console.error('❌ 上传失败:', error.message);
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throw error;
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}
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}
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/**
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* 测试5：获取文档列表
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*/
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async function testGetDocuments() {
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console.log('\n========== 测试5：获取文档列表 ==========');
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try {
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const result = await client.getDocuments(testDatasetId, 1, 10);
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console.log('✅ 获取成功');
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console.log(`找到 ${result.total} 个文档`);
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if (result.data.length > 0) {
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console.log('文档列表:');
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result.data.forEach((doc, index) => {
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console.log(` ${index + 1}. ${doc.name}`);
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console.log(` - 状态: ${doc.indexing_status}`);
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console.log(` - 字符数: ${doc.word_count}`);
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console.log(` - Token数: ${doc.tokens}`);
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});
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}
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} catch (error: any) {
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console.error('❌ 获取失败:', error.message);
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throw error;
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}
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}
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/**
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* 测试6：知识库检索
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*/
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async function testRetrieveKnowledge() {
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console.log('\n========== 测试6：知识库检索 ==========');
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try {
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const result = await client.retrieveKnowledge(
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testDatasetId,
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'研究目标是什么？',
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{
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retrieval_model: {
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search_method: 'semantic_search',
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top_k: 3,
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},
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}
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);
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console.log('✅ 检索成功');
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console.log('查询:', result.query.content);
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console.log(`找到 ${result.records.length} 条结果`);
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result.records.forEach((record, index) => {
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console.log(`\n结果 ${index + 1}:`);
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console.log(` 文档: ${record.document_name}`);
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console.log(` 相似度得分: ${record.score.toFixed(4)}`);
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console.log(` 内容片段: ${record.content.substring(0, 100)}...`);
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});
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} catch (error: any) {
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console.error('❌ 检索失败:', error.message);
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// 不抛出错误，因为可能是文档还未完全索引
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}
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}
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/**
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* 测试7：删除文档
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*/
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async function testDeleteDocument() {
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console.log('\n========== 测试7：删除文档 ==========');
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try {
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await client.deleteDocument(testDatasetId, testDocumentId);
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console.log('✅ 删除文档成功');
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} catch (error: any) {
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console.error('❌ 删除文档失败:', error.message);
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// 不抛出错误，继续后续测试
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}
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}
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/**
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* 测试8：删除知识库
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*/
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async function testDeleteDataset() {
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console.log('\n========== 测试8：删除知识库 ==========');
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try {
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await client.deleteDataset(testDatasetId);
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console.log('✅ 删除知识库成功');
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} catch (error: any) {
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console.error('❌ 删除知识库失败:', error.message);
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throw error;
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}
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}
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/**
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* 运行所有测试
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*/
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async function runAllTests() {
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console.log('========================================');
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console.log(' Dify API 客户端测试');
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console.log('========================================');
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console.log('开始时间:', new Date().toLocaleString());
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try {
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await testCreateDataset();
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await testGetDatasets();
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await testGetDataset();
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await testUploadDocument();
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await testGetDocuments();
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// 等待5秒让文档完全索引
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console.log('\n等待5秒让文档完全索引...');
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await new Promise((resolve) => setTimeout(resolve, 5000));
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await testRetrieveKnowledge();
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await testDeleteDocument();
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await testDeleteDataset();
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console.log('\n========================================');
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console.log('✅ 所有测试通过！');
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console.log('========================================');
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console.log('结束时间:', new Date().toLocaleString());
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} catch (error: any) {
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console.log('\n========================================');
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console.log('❌ 测试失败！');
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console.log('========================================');
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console.error('错误信息:', error.message);
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if (error.code) {
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console.error('错误代码:', error.code);
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}
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if (error.status) {
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console.error('HTTP状态码:', error.status);
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}
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process.exit(1);
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}
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}
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// 执行测试
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runAllTests();
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