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Testing Techniques
State transition Testing
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Learning Outcome
4
Understand advantages and limitations
3
Learn how to design test cases
2
Learn when to use it
1
Understand what State Transition Testing is
Topic Name-Recall(Slide3)
Hook/Story/Analogy(Slide 4)
Transition from Analogy to Technical Concept(Slide 5)
When is State Transition Testing Used?
Order status tracking
Password attempt limits
Workflow systems
ATM machines
Login systems with account lock
Introduction to State Transition Testing
What is State Transition Testing?
Current condition of the system
State
Action performed by user
Event
Movement from one state to another
Transition
Output depends on current state + event
Action
Why do we need State Transition Testing?
Some systems behave differently based on their current state
Output depends on previous action
Same input may give different output in different states
We need to verify all valid and invalid state transitions
Steps to Perform State Transition Testing
 Identify all possible state
Step 1:
Step 2:
Identify events/actions
Step 3:
Draw state diagram
Step 4:
Create state transition table
Step 5:
Design test cases for valid & invalid transitions
Core Concepts (.....Slide N-3)
Advantages and Limitations
Advantages
Best for workflow systems
Tests valid and invalid transitions
Improves dynamic system coverage
Limitations
Difficult if too many states exist
Time-consuming for complex systems
Requires clear understanding of workflow
Summary
5
Commonly used in login, ATM, workflow systems
4
Represented using state diagrams or tables
3
Tests valid and invalid transition
2
Used when system behavior depends on current state
1
State Transition Testing is a Black Box technique
Quiz
Which of the following testing techniques is best used when system behavior depends on the current state and previous actions?
A. Boundary Value Analysis
B. Equivalence Class Partitioning
C. Decision Table Testing
D. State Transition Testing
Quiz
Which of the following testing techniques is best used when system behavior depends on the current state and previous actions?
A. Boundary Value Analysis
B. Equivalence Class Partitioning
C. Decision Table Testing
D. State Transition Testing
State transition Testing
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