{TDD}
Test Driven Development
Normal dev
Tests
{Production Code}
Normal cycle
Write
code
Run
App
Refactor Code
Run
App
Write a
test
Run
Test
It doesn't work
or
Im not finish yet
Im done
It works
Test passes
Test fails
Something is wrong
TDD dev
{Production Code}
Tests
TDD cycle
Write
test
Run
test
Write
Code
Run
test
Refactor
code
Run
Test
Test passes
Test passes
Test fails
Test fails
Test fails
Why TDD?
