What is Test-Driven Development (TDD)?
A development approach where you write tests before writing the actual code.
Why It Matters
TDD leads to better-designed, more reliable code because every feature has tests from the start.
Real-World Example
Writing a test that checks 'login should fail with wrong password' before implementing the login feature.
“Understanding terms like Test-Driven Development (TDD) matters because it helps you have better conversations with developers and make smarter decisions about your software. You do not need to be technical. You just need to know enough to ask the right questions.”
Related Terms
Unit Test
A test that checks if a small piece of code works correctly in isolation
Behaviour-Driven Development (BDD)
A development approach that describes software behaviour in plain English scenarios that serve as both documentation and tests.
Testing
Verifying that your code works correctly through automated checks
Code Coverage
A measurement of how much of your code is tested by automated tests, expressed as a percentage.
Learn More at buildDay Melbourne
Want to understand these concepts hands-on? Join our one-day workshop and build a real web application from scratch.
Related Terms
Unit Test
A test that checks if a small piece of code works correctly in isolation
Testing
Verifying that your code works correctly through automated checks
Behaviour-Driven Development (BDD)
A development approach that describes software behaviour in plain English scenarios that serve as both documentation...
Code Coverage
A measurement of how much of your code is tested by automated tests, expressed as a percentage.
Integration Test
A test that checks if multiple parts of your system work correctly together
E2E Test
End-to-end test that simulates a real user completing tasks in your application