Designing a component so its behavior can be checked in isolation often improves the component boundary itself.
What to look for
- 01
Develop a module and its tests together.
- 02
Turn repeated manual checks into durable verification.
- 03
Invest in testing tools when the difficulty of testing is slowing development.
Keep in mind
A personal working method rather than a mandate to use one style of test-driven development everywhere.
Try this next
Find a change you always verify by hand. Identify the dependency that makes a repeatable test difficult, then improve that boundary.
Get the architecture templateNotes and exercises by Awesome CTO. The original work belongs to Nelson Elhage.
