ATMService

This application is built using Java, Maven, Spring boot, Spring data JPA and MongoDB.

Steps to setup the project

1. Clone the project.
2. Import project into IDE and build.
3. You should have MongoDB configured in your local system and running.
4. Update the project with all dependencies using (mvn clean install).
5. Run project as spring application.
6. Use postman or ARC or soup UI for testing.

Fetch the balance

GET http://localhost:8080/api/accountBalance

On Success

Request:-

{
  "accountNumber":123456789,
    "pin":1234
}

Response:-

{
    "accountNumber": 123456789,
    "balance": 800.0,
    "denomination": null,
    "message": "Success!"
}

On Failure

Request:-

Trying to check balance with wrong pin

{
    "accountNumber": 123456789,
    "pin": 123
}

Response:-

{
    "errorMessage": "Invalid Account Number or Pin",
    "requestedURI": "/api/accountBalance"
}

Withdraw Money

PUT http://localhost:8080/api/withdraw

On Success

Request:-

{
    "accountNumber": 123456789,
    "pin": 1234,
    "withdrawAmount": 15
}

Response:-

{
    "accountNumber": 123456789,
    "balance": 770.0,
    "denomination": {
        "fives": 1,
        "tens": 1,
        "twenties": 0,
        "fifties": 0
    },
    "message": "Success!"
}

On Failure

Trying to dispense money greater than balance amount in the account

Request:-

{
    "accountNumber": 123456789,
    "pin": 1234,
    "withdrawAmount": 800
}

Response:-

{
    "errorMessage": "Don't have enough funds in your Account",
    "requestedURI": "/api/withdraw"
}

On Failure

When we don't have enough money in ATM

Request:-

{
    "accountNumber": 123456789,
    "pin": 1234,
    "withdrawAmount": 800
}

Response:-

{
    "errorMessage": "Don't have enough funds in ATM machine, Sorry! ",
    "requestedURI": "/api/withdraw"
}

On Failure

When Entered amount is Invalid

Request:-

{
    "accountNumber": 123456789,
    "pin": 1234,
    "withdrawAmount": 801
}

Response:-

{
    "errorMessage": "Please enter the amount in multiples of 5 or 10",
    "requestedURI": "/api/withdraw"
}

On Failure

When entered amount is low

Request:-

{
    "accountNumber": 123456789,
    "pin": 1234,
    "withdrawAmount": 0
}

Response:-

{
    "errorMessage": "Entered Balance is too low",
    "requestedURI": "/api/withdraw"
}

Test case coverage snippet