QABattle

Manual Testing / Quiz

State Transition Testing: Maps of the Machine

Orders, accounts, and documents all live as state machines. Model the states, walk the transitions, and hunt the moves that should be impossible.

Difficulty
Medium
Format
Quiz
Points
150
Estimate
9 min

// MISSION BRIEF

Your Mission

An order flows Draft to Submitted to Paid to Shipped to Delivered, with Cancelled lurking off most states. The bugs live in the arrows: transitions that should exist and do not, and transitions that should NOT exist and do.

Six questions on state transition modeling, N-switch coverage, and invalid-transition hunting. Speed bonus active.

// FIRST CONTACT

Battle teaser

A state transition model consists of:

  1. AScreens, buttons, and URLs
  2. BDatabase tables and their foreign keys
  3. CStates, events that trigger movement, transitions between states, and (optionally) guard conditions and actions
  4. DTest cases sorted by priority
Answers, scoring, hints, and the full battle stay sealed.

// SKILL TAGS

test-designstate-transitionmanual-testingmodeling