234 行
8.3 KiB
TypeScript
234 行
8.3 KiB
TypeScript
import { DeepSeekService } from '../../../src/modules/ai/service/deepseek';
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import { DeepSeekConfig } from '../../../src/comm/types/omni';
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describe('T31 DeepSeek 大模型集成与适配服务 (deepseek.ts)', () => {
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let service: DeepSeekService;
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beforeEach(() => {
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// 先清理环境变量，防止跨测试用例污染
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delete process.env.DEEPSEEK_API_KEY;
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delete process.env.DEEPSEEK_BASE_URL;
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delete process.env.DEEPSEEK_MODEL;
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service = new DeepSeekService();
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});
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describe('1. 配置管理与状态检测 (Config & Readiness)', () => {
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it('1.1 初始状态默认配置验证', () => {
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const config = service.getConfig();
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expect(config.baseUrl).toBe('https://api.deepseek.com');
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expect(config.model).toBe('deepseek-chat');
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expect(config.temperature).toBe(0.7);
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expect(config.timeoutMs).toBe(30000);
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expect(service.isConfigured()).toBe(false);
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});
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it('1.2 优先从环境变量读取 DEEPSEEK_API_KEY', () => {
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process.env.DEEPSEEK_API_KEY = 'sk-env-test-key-123';
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process.env.DEEPSEEK_BASE_URL = 'https://custom.deepseek.com';
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process.env.DEEPSEEK_MODEL = 'deepseek-reasoner';
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const envService = new DeepSeekService();
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expect(envService.isConfigured()).toBe(true);
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expect(envService.getConfig().apiKey).toBe('sk-env-test-key-123');
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expect(envService.getConfig().baseUrl).toBe('https://custom.deepseek.com');
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expect(envService.getConfig().model).toBe('deepseek-reasoner');
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});
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it('1.3 updateConfig 动态更新与合并配置', () => {
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service.updateConfig({
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apiKey: 'sk-dynamic-key-456',
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model: 'deepseek-reasoner',
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temperature: 0.2,
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});
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expect(service.isConfigured()).toBe(true);
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const cfg = service.getConfig();
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expect(cfg.apiKey).toBe('sk-dynamic-key-456');
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expect(cfg.model).toBe('deepseek-reasoner');
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expect(cfg.temperature).toBe(0.2);
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expect(cfg.baseUrl).toBe('https://api.deepseek.com'); // 保留默认值
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});
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});
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describe('2. 提示词动态拼装 (Prompt Builders)', () => {
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it('2.1 buildSystemPrompt 组装名片主、人设与知识库切片', () => {
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const card = {
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name: '张总',
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company: '华强出海科技',
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title: '海外商务总监',
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};
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const concierge = {
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personaType: 'trade_expert' as const,
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toneStyle: 'professional' as const,
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promptTemplate: '你是一名资深出海贸易专家，精通中东与东南亚市场。',
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};
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const chunks = [
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{ index: 1, content: '支持信用证结算与 FOB 迪拜港条款。' },
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{ index: 2, content: '最小起订量 (MOQ) 为 500 台。' },
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];
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const systemPrompt = service.buildSystemPrompt(card, concierge, chunks);
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expect(systemPrompt).toContain('张总');
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expect(systemPrompt).toContain('华强出海科技');
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expect(systemPrompt).toContain('海外商务总监');
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expect(systemPrompt).toContain('你是一名资深出海贸易专家');
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expect(systemPrompt).toContain('支持信用证结算与 FOB 迪拜港条款。');
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expect(systemPrompt).toContain('最小起订量 (MOQ) 为 500 台。');
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});
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it('2.2 buildLocalizePrompt 组装多语言润色与术语库指令', () => {
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const prompt = service.buildLocalizePrompt(
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'欢迎参观我们位于迪拜的展位',
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'en-US',
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'professional',
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['展位 -> Booth', '迪拜 -> Dubai']
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);
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expect(prompt).toContain('欢迎参观我们位于迪拜的展位');
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expect(prompt).toContain('en-US');
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expect(prompt).toContain('professional');
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expect(prompt).toContain('Booth');
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expect(prompt).toContain('Dubai');
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});
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it('2.3 buildCopilotPrompt 组装销售破冰首语生成指令', () => {
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const lead = {
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name: 'Ahmed',
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company: 'Gulf Energy',
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phone: '+971501234567',
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demand: '储能集装箱报价',
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};
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const tracks = [
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{ module: 'case_energy', duration: 180 },
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{ module: 'price_table', duration: 90 },
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];
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const prompt = service.buildCopilotPrompt(lead, tracks);
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expect(prompt).toContain('Ahmed');
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expect(prompt).toContain('Gulf Energy');
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expect(prompt).toContain('储能集装箱报价');
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expect(prompt).toContain('case_energy');
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});
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});
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describe('3. 文本补全调用与高可用降级 (chatCompletion & Fallback)', () => {
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it('3.1 未配置 API Key 时，提供 fallbackReply 则安全返回兜底内容', async () => {
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expect(service.isConfigured()).toBe(false);
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const result = await service.chatCompletion(
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{
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messages: [{ role: 'user', content: '你们的产品价格是多少？' }],
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},
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'这是本地规则引擎的兜底回复'
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);
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expect(result).toBe('这是本地规则引擎的兜底回复');
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});
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it('3.2 未配置 API Key 且未提供 fallbackReply 时安全降级或抛出清晰提示', async () => {
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await expect(
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service.chatCompletion({
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messages: [{ role: 'user', content: '你好' }],
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})
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).rejects.toThrow('DeepSeek API Key 未配置');
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});
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it('3.3 模拟正常调用 DeepSeek 官方接口返回生成文本', async () => {
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service.updateConfig({ apiKey: 'sk-mock-valid-key' });
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// 模拟底层 HTTP client
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const mockPost = jest.fn().mockResolvedValue({
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status: 200,
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data: {
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id: 'chatcmpl-test-123',
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model: 'deepseek-chat',
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choices: [
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{
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index: 0,
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message: {
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role: 'assistant',
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content: '您好！我是华强科技的 AI 顾问，很高兴为您服务。',
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},
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finish_reason: 'stop',
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},
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],
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},
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});
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(service as any).httpClient = { post: mockPost };
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const reply = await service.chatCompletion({
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messages: [{ role: 'user', content: '您好' }],
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});
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expect(reply).toBe('您好！我是华强科技的 AI 顾问，很高兴为您服务。');
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expect(mockPost).toHaveBeenCalledWith(
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'https://api.deepseek.com/chat/completions',
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expect.objectContaining({
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model: 'deepseek-chat',
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messages: [{ role: 'user', content: '您好' }],
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}),
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expect.objectContaining({
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headers: expect.objectContaining({
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Authorization: 'Bearer sk-mock-valid-key',
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}),
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})
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);
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});
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it('3.4 API 调用异常且提供 fallbackReply 时平滑降级', async () => {
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service.updateConfig({ apiKey: 'sk-mock-valid-key' });
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const mockPost = jest.fn().mockRejectedValue(new Error('Network Timeout'));
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(service as any).httpClient = { post: mockPost };
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const reply = await service.chatCompletion(
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{ messages: [{ role: 'user', content: '报价' }] },
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'网络异常时的平滑降级回复'
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);
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expect(reply).toBe('网络异常时的平滑降级回复');
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});
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});
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describe('4. 连通性测试 (testConnection)', () => {
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it('4.1 未配置 API Key 且未传入临时 Key 时测试失败', async () => {
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const res = await service.testConnection();
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expect(res.success).toBe(false);
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expect(res.message).toContain('API Key 未提供');
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});
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it('4.2 传入测试 Key 成功握手并统计延迟', async () => {
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const mockPost = jest.fn().mockResolvedValue({
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status: 200,
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data: {
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choices: [
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{ message: { content: 'pong' }, finish_reason: 'stop' },
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],
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},
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});
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(service as any).httpClient = { post: mockPost };
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const res = await service.testConnection('sk-test-tmp-key');
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expect(res.success).toBe(true);
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expect(typeof res.latencyMs).toBe('number');
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expect(res.latencyMs).toBeGreaterThanOrEqual(0);
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expect(res.model).toBe('deepseek-chat');
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});
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it('4.3 官方 API 返回 401 鉴权失败捕获', async () => {
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const mockPost = jest.fn().mockRejectedValue({
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response: {
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status: 401,
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data: { error: { message: 'Authentication Fails (invalid api key)' } },
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},
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});
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(service as any).httpClient = { post: mockPost };
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const res = await service.testConnection('sk-invalid-key');
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expect(res.success).toBe(false);
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expect(res.message).toContain('Authentication Fails');
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});
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});
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});
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