ATM

1. Central Server

1.1. ATM#2

1.2. ATM#3

1.3. ATM #n

2. Security Testing

2.1. Penetration Testing

3. Login

3.1. Valid Debit Card and valid PIN

3.1.1. Authenticated and logged in

3.2. Invalid Debit Card/PIN

3.2.1. User inauthentic

4. User Logged in

4.1. Withdrawal Option

4.1.1. Acceptable amount - Multiple of $20

4.1.1.1. Enter valid amount

4.1.1.1.1. Logout

4.1.2. Withdrawal limit in 24 hour period - $20-$500

4.2. Deposit Option

4.3. Check Account Balance

4.4. Logout Option

4.4.1. User Logged out

4.4.1.1. Receives printed receipt of transaction

4.4.1.2. Debit Card returned

5. Connection Lost, Request sent to central server

5.1. Re-established within 30 seconds

5.1.1. Same session is continued

5.2. Times out after 30 seconds, if not re-established

5.2.1. New Session is startd

6. Database Server

6.1. Fraud Detection verification and Marketing purpose

6.1.1. Fetch data for every single transaction

6.1.1.1. Customer Account Details

6.1.1.2. Transaction Amount

6.1.1.3. Transaction Time

7. Performance Testing

7.1. Load Testing

7.1.1. JMeter

7.1.2. Selenium

7.2. Stress Testing