MeritKeep

Writing tests

A test that fails before the fix and passes after it. Includes the habit that makes tests worth having: watching the test fail first, so you know it is testing something.

core~2.5hWe mark it against a checklist you can read first
The barWhat counts as knowing this

Write a test that fails for the right reason before the code is fixed

That sentence is the bar. It only counts once your work shows you can do it. Reading about it does not.
Prove itA check for this one skill

Up to 1 question on this skill alone, marked against the bar beside this. It stops as soon as the answer is clear. No account, and your answers are not kept.

01 · Prerequisites

You'll need these first

02 · Also helpful

Helpful, but not required

Start on Python Fundamentals

Every skill above, ordered by what depends on what, with the projects above that as the evidence you actually did it. We work out where you already are first, so the path skips what you can do.

About three minutes to set up. Nothing is marked until you hand something in.Start this path
Part of Python Fundamentals.

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