state-transition-testing

Generate state transition diagrams, tables, and executable test cases for finite state machines.

Updated Jul 5, 2026
One-click install
npx skills add https://github.com/phatnguyen975/functional-test-design --skill state-transition-testing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: state-transition-testing
Source: https://github.com/phatnguyen975/functional-test-design/tree/main/state-transition-testing
Command: npx skills add https://github.com/phatnguyen975/functional-test-design --skill state-transition-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables you to systematically design comprehensive test cases for state machines, ensuring thorough coverage of all states, transitions, and invalid paths.

Core Features & Use Cases

  • State Transition Diagram (STD): Visually represent the FSM, including states, transitions, guard conditions, and actions.
  • State Transition Table (STT): Exhaustively list all state-event combinations with valid and invalid transitions.
  • Test Case Generation: Derive detailed test cases from the STT, specifying preconditions, steps, and expected results.
  • Use Case: Design test cases for a user authentication system, covering all possible states and transitions based on user input and system responses.

Quick Start

Use the state-transition-testing skill to design test cases for a user authentication system with states "Logged Out", "Logging In", "Authenticated", and "Account Locked".

Frequently Asked Questions about state-transition-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate test cases from a state transition table?

Test case generation from a state transition table involves deriving detailed preconditions, execution steps, and expected results for all valid and invalid state-event combinations. This systematically ensures exhaustive coverage of every possible state transition path.

How do I design test cases for a user authentication state machine?

Designing test cases for a user authentication state machine requires mapping requirements to a state model, visually representing states like "Authenticated" and "Account Locked", and exhaustively listing all valid and invalid state-event transitions.

What is state transition testing for complex workflows?

State transition testing is a technique for applications with complex state transitions, such as workflow orchestration. It uses state transition diagrams and tables to systematically verify all states, transitions, and guard conditions for thorough coverage.

Do I need to understand finite state machine concepts to design state transition tests?

Yes, you need a solid understanding of finite state machine (FSM) concepts and the ability to map application requirements to state models. This prerequisite knowledge is required to accurately define states, transitions, and guard conditions.

Can I test invalid state transitions using a state transition diagram?

Yes, you can test invalid state transitions by exhaustively listing all state-event combinations in a state transition table. This process identifies invalid paths and generates specific test cases to verify the system rejects unauthorized transitions.

When should I use state transition testing instead of standard test case design?

You should use state transition testing instead of standard test case design when dealing with applications featuring complex state transitions, such as account management or workflow orchestration, where exhaustive coverage of valid and invalid paths is critical.