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backend/tests/inquiries.test.ts

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+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import request from 'supertest';
+import { setupApp, resetDb, teardown } from './setup.js';
+import { makePayload } from './fixtures.js';
+import { getPrisma } from '../src/lib/prisma.js';
+
+let app: any;
+beforeAll(async () => {
+  ({ app } = await setupApp());
+}, 90000);
+afterAll(async () => {
+  await teardown();
+});
+
+async function login() {
+  const r = await request(app)
+    .post('/api/auth/login')
+    .send({ username: 'admin', password: 'admin-password-1234' });
+  return r.body.token;
+}
+
+async function pushInquiry(payload: any) {
+  await request(app)
+    .post('/api/ingest')
+    .set('Authorization', 'Bearer dev-ingest-token-1234')
+    .send(payload);
+}
+
+describe('inquiries list', () => {
+  it('lists filtered by country', async () => {
+    await resetDb();
+    await pushInquiry(makePayload({ customer: { country: 'PE' } }));
+    await pushInquiry(
+      makePayload({ inquiry: { inquiryId: 'X2' }, customer: { customerId: 'c2', country: 'US' } }),
+    );
+    const token = await login();
+    const res = await request(app)
+      .get('/api/inquiries?country=PE')
+      .set('Authorization', 'Bearer ' + token);
+    expect(res.status).toBe(200);
+    expect(res.body.items.length).toBe(1);
+    expect(res.body.items[0].customer.country).toBe('PE');
+    expect(res.body).toHaveProperty('total');
+    expect(res.body).toHaveProperty('page');
+    expect(res.body).toHaveProperty('size');
+  });
+
+  it('401 without jwt', async () => {
+    const res = await request(app).get('/api/inquiries');
+    expect(res.status).toBe(401);
+  });
+});
+
+describe('inquiries detail', () => {
+  it('gets inquiry detail with customer + message count', async () => {
+    await resetDb();
+    await pushInquiry(makePayload()); // inquiryId='13776617920', 2 messages
+    const token = await login();
+    const res = await request(app)
+      .get('/api/inquiries/13776617920')
+      .set('Authorization', 'Bearer ' + token);
+    expect(res.status).toBe(200);
+    expect(res.body.inquiryId).toBe('13776617920');
+    expect(res.body.customer).toBeTruthy();
+    expect(res.body._count.messages).toBe(2);
+  });
+
+  it('404 for unknown inquiry', async () => {
+    const token = await login();
+    const res = await request(app)
+      .get('/api/inquiries/NOPE')
+      .set('Authorization', 'Bearer ' + token);
+    expect(res.status).toBe(404);
+  });
+});
+
+describe('inquiry messages pagination', () => {
+  // 造 50 条消息(sendTime 各不同),用于测默认从最新 + before 向上翻页
+  async function seed50() {
+    await resetDb();
+    const prisma = getPrisma();
+    await pushInquiry(makePayload()); // 建 inquiry + 2 条消息
+    const base = Date.parse('2026-07-13T02:12:00Z');
+    await prisma.chatMessage.createMany({
+      data: Array.from({ length: 48 }, (_, i) => ({
+        messageId: 'p' + i,
+        inquiryId: '13776617920',
+        sender: 'x',
+        direction: 'incoming' as const,
+        sendTime: new Date(base + (i + 1) * 1000),
+        content: 'c' + i,
+        translation: '',
+      })),
+    });
+  }
+
+  it('默认无 cursor 返回最新一页(asc 旧→新)+ prevCursor 指向更旧', async () => {
+    await seed50();
+    const token = await login();
+    const r1 = await request(app)
+      .get('/api/inquiries/13776617920/messages?size=20')
+      .set('Authorization', 'Bearer ' + token);
+    expect(r1.status).toBe(200);
+    expect(r1.body.items.length).toBe(20);
+    expect(r1.body.prevCursor).toBeTruthy();
+    // 默认从最新:返回的 20 条应是全局最新的 20 条,且按 sendTime 升序(顶旧底新)
+    const ts = r1.body.items.map((m: any) => new Date(m.sendTime).getTime());
+    for (let i = 1; i < ts.length; i++) expect(ts[i]).toBeGreaterThanOrEqual(ts[i - 1]);
+    // 最新一条(全局最大 sendTime)应在 items 末尾
+    const prisma = getPrisma();
+    const maxRow = await prisma.chatMessage.findFirst({
+      where: { inquiryId: '13776617920' },
+      orderBy: { sendTime: 'desc' },
+    });
+    expect(ts[ts.length - 1]).toBe(maxRow!.sendTime.getTime());
+  });
+
+  it('before cursor 向上加载更旧,与已加载不重叠', async () => {
+    await seed50();
+    const token = await login();
+    const r1 = await request(app)
+      .get('/api/inquiries/13776617920/messages?size=20')
+      .set('Authorization', 'Bearer ' + token);
+    const c = r1.body.prevCursor;
+    expect(c).toBeTruthy();
+    const r2 = await request(app)
+      .get(
+        `/api/inquiries/13776617920/messages?size=20&beforeSendTime=${encodeURIComponent(c.beforeSendTime)}&beforeMessageId=${c.beforeMessageId}`,
+      )
+      .set('Authorization', 'Bearer ' + token);
+    expect(r2.status).toBe(200);
+    expect(r2.body.items.length).toBe(20);
+    // 不重叠
+    const ids1 = new Set(r1.body.items.map((m: any) => m.messageId));
+    expect(r2.body.items.every((m: any) => !ids1.has(m.messageId))).toBe(true);
+    // r2 全部比 r1 第一条更旧
+    const r1First = new Date(r1.body.items[0].sendTime).getTime();
+    expect(r2.body.items.every((m: any) => new Date(m.sendTime).getTime() <= r1First)).toBe(true);
+  });
+
+  it('400 when only one cursor field provided (after or before)', async () => {
+    const token = await login();
+    const r1 = await request(app)
+      .get('/api/inquiries/13776617920/messages?afterSendTime=2026-07-13T02:12:00Z')
+      .set('Authorization', 'Bearer ' + token);
+    expect(r1.status).toBe(400);
+    const r2 = await request(app)
+      .get('/api/inquiries/13776617920/messages?beforeSendTime=2026-07-13T02:12:00Z')
+      .set('Authorization', 'Bearer ' + token);
+    expect(r2.status).toBe(400);
+  });
+});