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ManmathXManmathX
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Configure pm2, port 80, Render deployment, and blue/white UI theme
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Lines changed: 732 additions & 58 deletions

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‎.github/workflows/ci.yml‎

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name: CI
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name: CI/CD
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on:
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push:
@@ -11,8 +11,9 @@ on:
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- master
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jobs:
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backend:
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name: Backend CI
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# ─────────────────────────── Backend ───────────────────────────
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backend-lint:
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name: Backend — Lint & Format
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runs-on: ubuntu-latest
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defaults:
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run:
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cache-dependency-path: backend/package-lock.json
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- name: Install dependencies
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# Uses npm install instead of npm ci in case package-lock.json is missing or out of sync
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# Though npm ci is preferred in CI if package-lock is present
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run: npm install
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run: npm ci
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- name: Check code formatting
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run: npx prettier --check .
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continue-on-error: true
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- name: Run linter
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run: npm run lint
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- name: Run tests
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run: npm test
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backend-test:
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name: Backend — Tests
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runs-on: ubuntu-latest
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needs: backend-lint
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defaults:
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run:
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working-directory: ./backend
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: 'npm'
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cache-dependency-path: backend/package-lock.json
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- name: Install dependencies
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run: npm ci
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frontend:
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name: Frontend CI
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- name: Run tests with coverage
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run: npx jest --coverage --forceExit
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env:
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NODE_ENV: test
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# ─────────────────────────── Frontend ──────────────────────────
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frontend-lint:
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name: Frontend — Lint & Format
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runs-on: ubuntu-latest
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defaults:
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run:
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cache-dependency-path: frontend/package-lock.json
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- name: Install dependencies
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run: npm install
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run: npm ci
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- name: Check code formatting
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run: npx prettier --check .
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continue-on-error: true
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- name: Run linter
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run: npm run lint
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- name: Build project
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frontend-test:
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name: Frontend — Tests
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runs-on: ubuntu-latest
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needs: frontend-lint
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defaults:
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run:
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working-directory: ./frontend
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: 'npm'
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cache-dependency-path: frontend/package-lock.json
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- name: Install dependencies
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run: npm ci
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- name: Run tests with coverage
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run: npx jest --coverage --forceExit
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env:
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CI: true
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frontend-build:
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name: Frontend — Build
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runs-on: ubuntu-latest
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needs: frontend-test
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defaults:
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run:
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working-directory: ./frontend
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: 20
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cache: 'npm'
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cache-dependency-path: frontend/package-lock.json
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- name: Install dependencies
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run: npm ci
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- name: Build for production
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run: npm run build
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- name: Run tests
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run: npm test
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- name: Upload build artifact
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uses: actions/upload-artifact@v4
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with:
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name: frontend-dist
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path: frontend/dist/
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retention-days: 7
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# ─────────────────────────── Docker ────────────────────────────
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docker-build:
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name: Docker — Build Images
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runs-on: ubuntu-latest
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needs: [backend-test, frontend-build]
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build backend image
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uses: docker/build-push-action@v5
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with:
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context: ./backend
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push: false
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tags: nexustech-backend:${{ github.sha }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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- name: Build frontend image
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uses: docker/build-push-action@v5
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with:
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context: ./frontend
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push: false
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tags: nexustech-frontend:${{ github.sha }}
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cache-from: type=gha
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cache-to: type=gha,mode=max

‎backend/.dockerignore‎

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node_modules
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npm-debug.log*
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tests
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coverage
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.env
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.DS_Store
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*.md
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eslint.config.mjs
9+
.prettierrc
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.prettierignore

‎backend/Dockerfile‎

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# ---------- Build stage ----------
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FROM node:20-alpine AS builder
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4+
WORKDIR /app
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6+
# Copy package files first for better layer caching
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COPY package.json package-lock.json ./
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RUN npm ci --omit=dev
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# Copy application source
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COPY src/ ./src/
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# ---------- Production stage ----------
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FROM node:20-alpine
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WORKDIR /app
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# Create a non-root user for security
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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# Copy built artifacts from builder
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/src ./src
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COPY package.json ./
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# Install PM2 globally
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RUN npm install -g pm2
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# Create data directory for SQLite and set permissions
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RUN mkdir -p /app/data && chown -R appuser:appgroup /app
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32+
ENV NODE_ENV=production
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ENV PORT=80
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USER appuser
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EXPOSE 80
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
40+
CMD wget -qO- http://localhost:80/api/products || exit 1
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42+
CMD ["pm2-runtime", "src/index.js"]

‎backend/tests/api.test.js‎

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Original file line numberDiff line numberDiff line change
@@ -7,29 +7,139 @@ describe('API Tests', () => {
77
db.close();
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});
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10-
test('GET /api/products returns products', async () => {
11-
const res = await request(app).get('/api/products');
12-
expect(res.statusCode).toBe(200);
13-
expect(Array.isArray(res.body)).toBe(true);
14-
expect(res.body.length).toBeGreaterThan(0);
15-
expect(res.body[0]).toHaveProperty('name');
10+
// ───────────────── GET /api/products ─────────────────
11+
describe('GET /api/products', () => {
12+
test('returns 200 status code', async () => {
13+
const res = await request(app).get('/api/products');
14+
expect(res.statusCode).toBe(200);
15+
});
16+
17+
test('returns an array of products', async () => {
18+
const res = await request(app).get('/api/products');
19+
expect(Array.isArray(res.body)).toBe(true);
20+
expect(res.body.length).toBeGreaterThan(0);
21+
});
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23+
test('each product has required fields', async () => {
24+
const res = await request(app).get('/api/products');
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for (const product of res.body) {
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expect(product).toHaveProperty('id');
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expect(product).toHaveProperty('name');
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expect(product).toHaveProperty('price');
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expect(product).toHaveProperty('image_url');
30+
}
31+
});
32+
33+
test('product price is a positive number', async () => {
34+
const res = await request(app).get('/api/products');
35+
for (const product of res.body) {
36+
expect(typeof product.price).toBe('number');
37+
expect(product.price).toBeGreaterThan(0);
38+
}
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});
40+
41+
test('returns JSON content type', async () => {
42+
const res = await request(app).get('/api/products');
43+
expect(res.headers['content-type']).toMatch(/json/);
44+
});
1645
});
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18-
test('POST /api/checkout works', async () => {
19-
const res = await request(app)
20-
.post('/api/checkout')
21-
.send({ items: [{ productId: 1, quantity: 2 }] });
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23-
expect(res.statusCode).toBe(200);
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expect(res.body).toHaveProperty('message', 'Checkout successful');
25-
expect(res.body).toHaveProperty('total');
47+
// ───────────────── POST /api/checkout ─────────────────
48+
describe('POST /api/checkout', () => {
49+
test('returns 200 with valid cart items', async () => {
50+
const res = await request(app)
51+
.post('/api/checkout')
52+
.send({ items: [{ productId: 1, quantity: 2 }] });
53+
54+
expect(res.statusCode).toBe(200);
55+
expect(res.body).toHaveProperty('message', 'Checkout successful');
56+
expect(res.body).toHaveProperty('total');
57+
expect(res.body).toHaveProperty('orderId');
58+
});
59+
60+
test('calculates total correctly for single item', async () => {
61+
const productsRes = await request(app).get('/api/products');
62+
const firstProduct = productsRes.body[0];
63+
const quantity = 3;
64+
65+
const res = await request(app)
66+
.post('/api/checkout')
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.send({ items: [{ productId: firstProduct.id, quantity }] });
68+
69+
expect(res.statusCode).toBe(200);
70+
const expectedTotal = firstProduct.price * quantity;
71+
expect(res.body.total).toBeCloseTo(expectedTotal, 2);
72+
});
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74+
test('calculates total correctly for multiple items', async () => {
75+
const productsRes = await request(app).get('/api/products');
76+
const products = productsRes.body;
77+
78+
const cartItems = [
79+
{ productId: products[0].id, quantity: 1 },
80+
{ productId: products[1].id, quantity: 2 },
81+
];
82+
83+
const res = await request(app)
84+
.post('/api/checkout')
85+
.send({ items: cartItems });
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87+
const expectedTotal =
88+
products[0].price * 1 + products[1].price * 2;
89+
expect(res.statusCode).toBe(200);
90+
expect(res.body.total).toBeCloseTo(expectedTotal, 2);
91+
});
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93+
test('returns 400 with empty items array', async () => {
94+
const res = await request(app)
95+
.post('/api/checkout')
96+
.send({ items: [] });
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98+
expect(res.statusCode).toBe(400);
99+
expect(res.body).toHaveProperty('error');
100+
});
101+
102+
test('returns 400 with missing items field', async () => {
103+
const res = await request(app)
104+
.post('/api/checkout')
105+
.send({});
106+
107+
expect(res.statusCode).toBe(400);
108+
expect(res.body).toHaveProperty('error', 'Invalid cart contents');
109+
});
110+
111+
test('returns 400 when items is not an array', async () => {
112+
const res = await request(app)
113+
.post('/api/checkout')
114+
.send({ items: 'not-an-array' });
115+
116+
expect(res.statusCode).toBe(400);
117+
});
118+
119+
test('returns orderId as a number', async () => {
120+
const res = await request(app)
121+
.post('/api/checkout')
122+
.send({ items: [{ productId: 1, quantity: 1 }] });
123+
124+
expect(typeof res.body.orderId).toBe('number');
125+
});
126+
127+
test('handles non-existent product id gracefully', async () => {
128+
const res = await request(app)
129+
.post('/api/checkout')
130+
.send({ items: [{ productId: 99999, quantity: 1 }] });
131+
132+
// Should succeed but total should be 0 (product not found)
133+
expect(res.statusCode).toBe(200);
134+
expect(res.body.total).toBe(0);
135+
});
26136
});
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28-
test('POST /api/checkout fails with empty items', async () => {
29-
const res = await request(app)
30-
.post('/api/checkout')
31-
.send({ items: [] });
32-
33-
expect(res.statusCode).toBe(400);
138+
// ───────────────── Unknown routes ─────────────────
139+
describe('Unknown routes', () => {
140+
test('GET /api/unknown returns 404', async () => {
141+
const res = await request(app).get('/api/unknown');
142+
expect(res.statusCode).toBe(404);
143+
});
34144
});
35145
});

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