Lesson 16 / 25

Testing

Use Testing as part of Redux Toolkit / Zustand.

The essential idea

Testing is a practical part of Redux Toolkit / Zustand. Start with the problem, then identify the input, transformation, and expected result.

Try a focused example

Change one value, run the example, and compare the result to your prediction.

value=0
echo "$value"

Output:

0

Common pitfall

Do not learn Testing by copying. Use a small experiment and feedback to check your explanation.

Quick check

Quick check: What is good practice for Testing?

  • Run one small example.
  • Memorize without testing.
  • Ignore feedback.
Answer

Run one small example. — Focused experiments reveal cause and effect.