TDD and BDD for QA
Understand how test-first thinking and shared examples change how teams build quality.
What you'll learn
- See the difference between TDD and BDD.
- Understand where QA fits in example-driven conversations.
- Use shared scenarios to reduce misunderstanding earlier.
Advanced QAlessonsJump to another lesson
TDD and BDD for QA
Understand how test-first thinking and shared examples change how teams build quality.
Big Picture
One small picture can make this idea easier to hold.
TDD
- Developer-focused test-first loops that shape code design in small steps.
BDD
- Shared examples that help product, dev, and QA align on behavior before implementation drifts.
VerdictUnderstand how test-first thinking and shared examples change how teams build quality.
How It Moves
Short steps make the flow easier to see.
Learn the idea
Read the key rule.
Try one example
Use a small real case.
Check the result
See what should happen.
Repeat with care
Try one more case.
Step By Step
This is the same idea, stretched across time.
- 1
Start small
Read one simple example.
- 2
Apply the idea
Use it on one real case.
- 3
Check the result
See what changed.
- 4
Keep the lesson
Use it again next time.
One Small Model
Think of this like a tiny card you can keep in your pocket.
Lesson card
4 fieldsQuick Check
What does BDD add on top of plain test execution?
Map It
One more picture helps you see where this lesson matters most.
Where this helps
Simple use
One easy case
Best fit
Common day-to-day QA work
Edge case
A tricky path
High risk
A bug that hurts users