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k6 load testing

Add transactions and timers

Medium70 pts~25 min
  • Transactions
  • Groups
  • Timers
Practice app · Checkout Service

A load-testable checkout service with realistic latency that degrades under concurrency, plus a live metrics view.

BASE_URL
/api/practice
Console app
/lab/performance-testing-add-transactions-and-timers

Your starter code already declares BASE_URL — call the API relative to it.

Objective

Group requests into named business transactions and time each transaction.

Your task

  1. 1Wrap login in group('login', …) and cart + checkout in group('purchase', …).
  2. 2Time each group with Date.now() before/after and check the purchase took < 2000 ms.
  3. 3check every request returns 200. Use { vus: 2, iterations: 6 }.

Acceptance criteria

  • Login, cart and checkout return 200
  • group() is used
  • At least 12 check() calls pass

k6 load testing · Performance Testing · Scripting basics