test: regression tests for POST /api/votes/live

Made-with: Cursor

tests/api/regression-votes-live.test.js

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+const request = require('supertest');
+const { app } = require('../../backend/server');
+const { getAuthHeader, cleanDb, seedGame, seedSession, seedSessionGame } = require('../helpers/test-utils');
+
+describe('POST /api/votes/live (regression)', () => {
+  let game, session, sessionGame;
+  const baseTime = '2026-03-15T20:00:00.000Z';
+
+  beforeEach(() => {
+    cleanDb();
+    game = seedGame({ title: 'Quiplash 3', pack_name: 'Party Pack 7' });
+    session = seedSession({ is_active: 1 });
+    sessionGame = seedSessionGame(session.id, game.id, {
+      status: 'playing',
+      played_at: baseTime,
+    });
+  });
+
+  test('returns 200 with correct response shape for upvote', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    expect(res.status).toBe(200);
+    expect(res.body.success).toBe(true);
+    expect(res.body.session).toEqual(
+      expect.objectContaining({ id: session.id })
+    );
+    expect(res.body.game).toEqual(
+      expect.objectContaining({
+        id: game.id,
+        title: 'Quiplash 3',
+        upvotes: 1,
+        downvotes: 0,
+        popularity_score: 1,
+      })
+    );
+    expect(res.body.vote).toEqual({
+      username: 'viewer1',
+      type: 'up',
+      timestamp: '2026-03-15T20:05:00.000Z',
+    });
+  });
+
+  test('increments downvotes and decrements popularity_score for downvote', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'down',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    expect(res.status).toBe(200);
+    expect(res.body.game.downvotes).toBe(1);
+    expect(res.body.game.popularity_score).toBe(-1);
+  });
+
+  test('returns 400 for missing username', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({ vote: 'up', timestamp: '2026-03-15T20:05:00.000Z' });
+
+    expect(res.status).toBe(400);
+    expect(res.body.error).toMatch(/Missing required fields/);
+  });
+
+  test('returns 400 for missing vote', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({ username: 'viewer1', timestamp: '2026-03-15T20:05:00.000Z' });
+
+    expect(res.status).toBe(400);
+  });
+
+  test('returns 400 for missing timestamp', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({ username: 'viewer1', vote: 'up' });
+
+    expect(res.status).toBe(400);
+  });
+
+  test('returns 400 for invalid vote value', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'maybe',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    expect(res.status).toBe(400);
+    expect(res.body.error).toMatch(/vote must be either/);
+  });
+
+  test('returns 400 for invalid timestamp format', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: 'not-a-date',
+      });
+
+    expect(res.status).toBe(400);
+    expect(res.body.error).toMatch(/Invalid timestamp/);
+  });
+
+  test('returns 404 when no active session', async () => {
+    cleanDb();
+    seedGame({ title: 'Unused' });
+    seedSession({ is_active: 0 });
+
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    expect(res.status).toBe(404);
+    expect(res.body.error).toMatch(/No active session/);
+  });
+
+  test('returns 404 when vote timestamp does not match any game', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: '2020-01-01T00:00:00.000Z',
+      });
+
+    expect(res.status).toBe(404);
+    expect(res.body.error).toMatch(/does not match any game/);
+  });
+
+  test('returns 409 for duplicate vote within 1 second', async () => {
+    await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Authorization', getAuthHeader())
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'down',
+        timestamp: '2026-03-15T20:05:00.500Z',
+      });
+
+    expect(res.status).toBe(409);
+    expect(res.body.error).toMatch(/Duplicate vote/);
+  });
+
+  test('returns 401 without auth token', async () => {
+    const res = await request(app)
+      .post('/api/votes/live')
+      .set('Content-Type', 'application/json')
+      .send({
+        username: 'viewer1',
+        vote: 'up',
+        timestamp: '2026-03-15T20:05:00.000Z',
+      });
+
+    expect(res.status).toBe(401);
+  });
+});