Programming Fundamentals

How do I write a test that actually catches a real bug?

Write the cheapest test that catches a real bug — including the edge/negative case the happy path misses — and turn a bug into a regression test.

how the lesson trains it — the Sage loop

This is the preview. The lesson is the rep.

In the full lesson (~75 minutes) you work the loop on a real scenario and leave with evidence in your ledger — not a completion checkmark.

keep pulling the thread

Programming Fundamentals

Write the cheapest test that catches a real bug — including the edge/negative case the happy path misses — and turn a bug into a regression test.

how the lesson trains it — the Sage loop

This is the preview. The lesson is the rep.

In the full lesson (~75 minutes) you work the loop on a real scenario and leave with evidence in your ledger — not a completion checkmark.

keep pulling the thread

Engage