Bank account kata

Objectives

Think of your personal bank account experience When in doubt, go for the simplest solution

Requirements

• Deposit and Withdrawal
• Account statement (date, amount, balance)
• Statement printing
• Transfer
• Statement filters (just deposits, withdrawal, date)
• Account status (open, closed, frozen)

BDD

Starting from an acceptance test:

Scenario: Printing statement after deposits and withdrawal
  Given a client makes a deposit of 1000 on 10-01-2012
  And a deposit of 2000 on 13-01-2012
  And a withdrawal of 500 on 14-01-2012
  When she prints her bank statement
  Then she would see
  """
  date       ||   credit ||    debit ||  balance
  14-01-2012 ||          ||   500.00 ||  2500.00
  13-01-2012 ||  2000.00 ||          ||  3000.00
  10-01-2012 ||  1000.00 ||          ||  1000.00
  """