User Testing of Automatic Train Ticket Vending Machine

User Testing of
Automatic train ticket
vending machine
Student name
Date of the Presentation

Introduction
The Automatic Train Ticket Vending Machine (TVM) is such
a type of machine that are commonly found to be situated
near almost every transport terminal throughout the
world. The machines have come into existence for
offering a helpful method of buying tickets or passes for a
day without waiting in long queues. It dispenses tickets to
clients naturally as soon as the client selects a choice for
ticket and deposits the required amount by cash or card.
The transaction occurring within the machine begins with
client utilizing the machine interface for choosing the type
and amount of tickets, after that picking a option for
payment for example, money, MasterCard or even a
smartcard. The chosen tickets are then printed and
dispensed to the client.

Use case diagram

Use
case
Use Case Description: Purchase ticket
ID: UC-1
Title: Purchase ticket
Description: Passenger accesses the system and enters trip details to check for ticket and then makes payment to get the ticket
for defined trip.
Primary Actor: Passenger
Preconditions: Passenger has accessed the system
Post conditions: Passenger has entered trip info
Main
Success Scenario:
1. Passenger starts a session by accessing the system
2. System request for trip info
3. Passenger selects source and destination stations
4. System requests for payment info
5. Passengers enters payment details
6. Bank authorizes payment
7. System confirms payment and dispenses ticket
8. Passenger receives ticket
9. System dispenses change
10. Passenger receives change
11. System stops the session and moves to idle state
Extensions: 3a. No ticket is available for provided trip info
- 3a1. System displays no ticket is available for the trip and suggests to update trip details.
- 3a2. Passenger either terminates the transaction or checks for availability with updated trip info.
6a. Payment is declined
- 6a1. System displays message showing payment has been declined by Bank.
- 6a2. System displays message saying invalid pin or password.
Frequency of Use: Everyday
Status: Pending Review
Owner: Passenger, System and Bank
Priority: High