primera prueba gha

Author: pablokbs

.github/workflows/tests.yml

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+name: Node.js CI
+
+on:
+  push:
+    branches: [ master, test ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: varios/21
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Use Node.js 18.x
+      uses: actions/setup-node@v4
+      with:
+        node-version: '18.x'
+        cache: 'npm'
+        cache-dependency-path: varios/21/package.json
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Run tests
+      run: npm test 

varios/21/.github/workflows/tests.yml

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+name: Node.js CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Use Node.js 18.x
+      uses: actions/setup-node@v4
+      with:
+        node-version: '18.x'
+        cache: 'npm'
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Run tests
+      run: npm test 

varios/21/Dockerfile

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+FROM node:18-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+# The default command will start the application
+CMD ["npm", "start"]

varios/21/package.json

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+{
+  "name": "github-actions-demo",
+  "version": "1.0.0",
+  "description": "Demo application for GitHub Actions with unit tests",
+  "main": "src/app.js",
+  "scripts": {
+    "start": "node src/app.js",
+    "test": "jest",
+    "test:watch": "jest --watch"
+  },
+  "dependencies": {
+    "express": "^4.18.2"
+  },
+  "devDependencies": {
+    "jest": "^29.7.0",
+    "supertest": "^6.3.3"
+  }
+} 

varios/21/src/app.js

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+const express = require('express');
+const { calculateDiscount } = require('./utils');
+
+const app = express();
+app.use(express.json());
+
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok' });
+});
+
+app.post('/calculate-discount', (req, res) => {
+  try {
+    const { price, percentage } = req.body;
+    const finalPrice = calculateDiscount(price, percentage);
+    res.json({ 
+      original: price,
+      discount: percentage,
+      final: finalPrice
+    });
+  } catch (error) {
+    res.status(400).json({ error: error.message });
+  }
+});
+
+const PORT = process.env.PORT || 3000;
+
+if (process.env.NODE_ENV !== 'test') {
+  app.listen(PORT, () => {
+    console.log(`Server running on port ${PORT}`);
+  });
+}
+
+module.exports = app; 

varios/21/src/app.test.js

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+const request = require('supertest');
+const app = require('./app');
+
+describe('API Endpoints', () => {
+  describe('GET /health', () => {
+    test('should return health status', async () => {
+      const response = await request(app)
+        .get('/health')
+        .expect(200);
+      
+      expect(response.body).toEqual({ status: 'ok' });
+    });
+  });
+
+  describe('POST /calculate-discount', () => {
+    test('should calculate discount correctly', async () => {
+      const response = await request(app)
+        .post('/calculate-discount')
+        .send({ price: 100, percentage: 20 })
+        .expect(200);
+
+      expect(response.body).toEqual({
+        original: 100,
+        discount: 20,
+        final: 80
+      });
+    });
+
+    test('should return 400 for invalid input', async () => {
+      const response = await request(app)
+        .post('/calculate-discount')
+        .send({ price: '100', percentage: 20 })
+        .expect(400);
+
+      expect(response.body).toHaveProperty('error');
+    });
+
+    test('should return 400 for invalid percentage', async () => {
+      const response = await request(app)
+        .post('/calculate-discount')
+        .send({ price: 100, percentage: 150 })
+        .expect(400);
+
+      expect(response.body).toHaveProperty('error');
+    });
+  });
+}); 

varios/21/src/utils.js

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+function calculateDiscount(price, percentage) {
+  if (typeof price !== 'number' || typeof percentage !== 'number') {
+    throw new Error('Both price and percentage must be numbers');
+  }
+  
+  if (percentage < 0 || percentage > 100) {
+    throw new Error('Percentage must be between 0 and 100');
+  }
+
+  return price - (price * (percentage / 100));
+}
+
+module.exports = {
+  calculateDiscount
+}; 

varios/21/src/utils.test.js

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+const { calculateDiscount } = require('./utils');
+
+describe('calculateDiscount', () => {
+  test('calculates discount correctly', () => {
+    expect(calculateDiscount(100, 20)).toBe(80);
+    expect(calculateDiscount(50, 10)).toBe(45);
+  });
+
+  test('handles zero discount', () => {
+    expect(calculateDiscount(100, 0)).toBe(100);
+  });
+
+  test('handles full discount', () => {
+    expect(calculateDiscount(100, 100)).toBe(0);
+  });
+
+  test('throws error for invalid number inputs', () => {
+    expect(() => calculateDiscount('100', 20)).toThrow('Both price and percentage must be numbers');
+    expect(() => calculateDiscount(100, '20')).toThrow('Both price and percentage must be numbers');
+  });
+
+  test('throws error for invalid percentage range', () => {
+    expect(() => calculateDiscount(100, -10)).toThrow('Percentage must be between 0 and 100');
+    expect(() => calculateDiscount(100, 110)).toThrow('Percentage must be between 0 and 100');
+  });
+});