Write Your First Jest Test Using expect() and toBe() | Jest Tutorial

Get started with writing your first test using Jest, one of the most popular JavaScript testing frameworks used by developers. Start FREE Testing: https://accounts.lambdatest.com/register?utm_source=YouTube&utm_medium=Organic&utm_campaign=Nov07&utm_term=WiwH2VFR6-0&utm_content=LT_Sign_Up 🎥 In this 3rd video of the Jest Tutorial Series, join 𝐌𝐚𝐫𝐜𝐨 𝐀 𝐂𝐫𝐮𝐳, founder of automateNow, as he teaches you how to write your first test using Jest. You'll learn how to use Jest's powerful testing functions like expect and toBe to validate the behavior of your code. Whether you're testing simple functions or starting to structure more complex tests, this video covers the essential steps to get your tests running. Key Learnings: ✅ Writing your first Jest test – Learn how to use expect and toBe to test code behavior. ✅Creating simple testable methods -Learn using the add method in a calculator class ✅ Setting up a test file structure – Create a clean and organized environment for your tests. ✅ Running your test with npm – Learn how to execute tests with the npm test command to verify correctness. ⏱️ Video Chapters: 00:00 - Introduction 00:05 - Writing Your First Jest Test 01:10 - Creating a Calculator Class 02:00 - Setting Up Your Test Environment 03:00 - Writing a Test Case for the Add Method 04:00 - Running Your First Test 04:45 - Using the AAA Testing Pattern 05:50 - Final Test Run & Conclusion Missed watching the earlier videos? Introduction to Jest (Day 1): https://youtu.be/r4bLSl_j6yw Setting Up Jest (Day 2): https://youtu.be/bm_m0J8L0ko 📘 Learn More: https://www.testmuai.com/jest For questions: support@testmuai.com HOME: https://bit.ly/4uOCPKK BLOG: https://bit.ly/4nlq87I LINKEDIN: https://bit.ly/438HIm2 TWITTER: https://bit.ly/4eOI74s GITHUB: https://bit.ly/4ucseJI NEWSLETTER: https://bit.ly/4dI8Y0S CERTIFICATIONS: https://bit.ly/4tVdw9j