Skill Topic · Cinematic

📘 Node.js — Testing

Code test karo, bugs production me nahi — development me pakdo! 🧪

Overview

📘 Node.js — Testing — Quick Facts

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File: % Stmts

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math.js: 100

Topic 1

📌 1. Testing Kya Hai?

📚 ` ┌──────────────────────────────────────────────────────────────────┐ │ Testing = Code…

Topic 2

📌 2. Jest — Setup

💡 bash npm install -D jest TypeScript ke liye: npm install -D jest ts-jest @types/jest …

Topic 3

📌 3. Unit Tests — Basics

🎯 `javascript // ═══ src/utils/math.js ═══ function add(a, b) { return a + b; } function…

Topic 4

📌 4. Jest Matchers

⭐ `javascript // ═══ Common Jest Matchers (Assertions) ═══ // ── Exact equality ── expect(2…

Topic 5

📌 5. Async Testing

🔑 `javascript // ═══ Async function test karna ═══ // src/services/userService.js async…

Topic 6

📌 6. Mocking

✨ `javascript // ═══ Mocking — Fake functions / modules ═══ // ── jest.fn() — Mock function…

Topic 7

📌 7. API Testing with Supertest

🌟 bash npm install -D supertest `javascript // ═══ src/app.js — Export app (without…

Topic 8

📌 8. Setup & Teardown

🚀 `javascript // ═══ beforeEach / afterEach / beforeAll / afterAll ═══ describe('Database…

Topic 9

📌 9. Code Coverage

📚 bash Coverage report generate karo npm test -- --coverage ` Output:…

Topic 10

📌 10. Testing Best Practices

💡 ` ┌──────────────────────────────────────────────────────────────┐ │ Testing Best…

Topic 11

✅ Summary

🎯 KEY POINTS: - Unit Tests = individual functions test, Integration Tests = API endpoints…

Quick Quiz

Quiz — Question 1

📘 Node.js — Testing ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 Node.js — Testing ka 'File' kya hai?

Complete! 🎉

📘 Node.js — Testing Complete!

Aliens School · HIEN · Cinematic Knowledge

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