def test_new_account_can_be_found_and_is_correct():
bank = Bank()
account_id = bank.create_account('Dagobert')
account = bank.find_account(account_id)
assert account.get_id() == account_id
assert account.get_owner_name() == 'Dagobert'
assert account.get_balance() == 0
def test_deposit_with_neg_amount_in_bank_account_fails():
bank = Bank()
account_id = bank.create_account('Dagobert')
err = bank.deposit(account_id, -100)
assert err == 'negative amount'
account = bank.find_account(account_id)
assert account.get_balance() == 0
def test_withdrawal_with_sufficient_funds_in_bank():
bank = Bank()
account_id = bank.create_account('Dagobert')
bank.deposit(account_id, 100)
bank.withdraw(account_id, 30)
account = bank.find_account(account_id)
assert account.get_balance() == 70
def test_transfer_to_nonexistent_account_fails():
bank = Bank()
from_id = bank.create_account('Dagobert')
bank.deposit(from_id, 100)
to_id = 42
err = bank.transfer(from_id, to_id, 10)
assert err == 'destination account not found'
bank.find_account(from_id).get_balance() == 100
def test_transfer_from_nonexistent_account_fails():
bank = Bank()
from_id = 42
to_id = bank.create_account('Donald')
err = bank.transfer(from_id, to_id, 10)
assert err == 'source account not found'
bank.find_account(to_id).get_balance() == 0
def test_withdrawal_with_insufficient_funds_in_bank_fails():
bank = Bank()
account_id = bank.create_account('Dagobert')
bank.deposit(account_id, 100)
err = bank.withdraw(account_id, 200)
assert err == 'insufficient funds'
def test_deposit_in_nonexistent_account_in_bank_fails(): bank = Bank() invalid_id = 42 err = bank.deposit(invalid_id, 100) assert err == 'account not found'
def test_deposit_in_bank_account():
bank = Bank()
account_id = bank.create_account('Dagobert')
bank.deposit(account_id, 100)
account = bank.find_account(account_id)
assert account.get_balance() == 100
def test_account_for_invalid_id_cannot_be_found(): bank = Bank() account = bank.find_account(42) assert account == 'account not found'
def test_transfer_for_neg_amount_fails():
bank = Bank()
from_id = bank.create_account('Dagobert')
to_id = bank.create_account('Donald')
bank.deposit(from_id, 100)
err = bank.transfer(from_id, to_id, -10)
assert err == 'negative amount'
bank.find_account(from_id).get_balance() == 100
bank.find_account(to_id).get_balance() == 0
def test_transfer_for_insufficient_funds_fails():
bank = Bank()
from_id = bank.create_account('Dagobert')
to_id = bank.create_account('Donald')
bank.deposit(from_id, 100)
err = bank.transfer(from_id, to_id, 200)
assert err == 'insufficient funds'
bank.find_account(from_id).get_balance() == 100
bank.find_account(to_id).get_balance() == 0
def test_transfer_pos_amount():
bank = Bank()
from_id = bank.create_account('Dagobert')
to_id = bank.create_account('Donald')
bank.deposit(from_id, 100)
bank.transfer(from_id, to_id, 30)
bank.find_account(from_id).get_balance() == 70
bank.find_account(to_id).get_balance() == 30
def test_withdrawal_from_nonexistent_account_in_bank_fails(): bank = Bank() invalid_id = 42 err = bank.withdraw(invalid_id, 100) assert err == 'account not found'
def test_withdrawal_neg_amount_in_bank_fails():
bank = Bank()
account_id = bank.create_account('Dagobert')
bank.deposit(account_id, 100)
err = bank.withdraw(account_id, -100)
assert err == 'negative amount'