Testing strategies — unit, integration, end-to-end

What you'll learn

1. 1

   Imagine you're building a LEGO castle 🏰. Each brick is a tiny piece of code.

2. 2

   Which test checks that one single LEGO brick isn't cracked? 🧱

3. 3

   Drag the LEGO bricks to build a tower that passes its unit tests!

4. 4

   Let's test a login page together. 👨‍💻

5. 5

   Which test would you use to check that clicking 'Buy Now' actually takes you to the checkout page? 🛒

6. 6

   Match the test to the scenario — drag each test name to its picture. 🧩

7. 7

   You have 3 pieces of code: A (password check), B (login + server), C (full user journey). Which order should you test them in? 🔢