test: regression tests for GET /api/games vote fields

Made-with: Cursor

tests/api/regression-games.test.js

@@ -0,0 +1,62 @@
+const request = require('supertest');
+const { app } = require('../../backend/server');
+const { cleanDb, seedGame } = require('../helpers/test-utils');
+const db = require('../../backend/database');
+
+describe('GET /api/games (regression)', () => {
+  beforeEach(() => {
+    cleanDb();
+  });
+
+  test('returns games with vote fields', async () => {
+    seedGame({
+      title: 'Quiplash 3',
+      upvotes: 10,
+      downvotes: 3,
+      popularity_score: 7,
+    });
+
+    const res = await request(app).get('/api/games');
+
+    expect(res.status).toBe(200);
+    expect(res.body).toHaveLength(1);
+    expect(res.body[0]).toEqual(
+      expect.objectContaining({
+        title: 'Quiplash 3',
+        upvotes: 10,
+        downvotes: 3,
+        popularity_score: 7,
+      })
+    );
+  });
+
+  test('GET /api/games/:id returns vote fields', async () => {
+    const game = seedGame({
+      title: 'Drawful 2',
+      upvotes: 5,
+      downvotes: 2,
+      popularity_score: 3,
+    });
+
+    const res = await request(app).get(`/api/games/${game.id}`);
+
+    expect(res.status).toBe(200);
+    expect(res.body.upvotes).toBe(5);
+    expect(res.body.downvotes).toBe(2);
+    expect(res.body.popularity_score).toBe(3);
+  });
+
+  test('vote aggregates update correctly after recording votes', async () => {
+    const game = seedGame({ title: 'Fibbage 4' });
+
+    db.prepare('UPDATE games SET upvotes = upvotes + 1, popularity_score = popularity_score + 1 WHERE id = ?').run(game.id);
+    db.prepare('UPDATE games SET upvotes = upvotes + 1, popularity_score = popularity_score + 1 WHERE id = ?').run(game.id);
+    db.prepare('UPDATE games SET downvotes = downvotes + 1, popularity_score = popularity_score - 1 WHERE id = ?').run(game.id);
+
+    const res = await request(app).get(`/api/games/${game.id}`);
+
+    expect(res.body.upvotes).toBe(2);
+    expect(res.body.downvotes).toBe(1);
+    expect(res.body.popularity_score).toBe(1);
+  });
+});